If you're asking *when* to dive Dahab, you're asking the right question. Dahab has divable conditions every single day of the year — but the experience changes a lot between January and August. Here's what actually changes and how to choose. ## TL;DR — pick your trade-off | If you want… | Go in… | |---------------------------------------|--------------------------| | **Best overall conditions** | September | | **Warmest water** | July–August | | **Lowest prices + quietest sites** | Late January – mid-March | | **Best for an Open Water course** | April–May or October | | **Best for advanced/tech** | March–May, October | | **Best for liveaboards (north Red Sea)** | June–October | | **Avoid if you can** | Late December (NYE crush) and August (heat) | ## What actually varies through the year Dahab is in the Gulf of Aqaba, between desert mountains and a deep, sheltered branch of the Red Sea. That geography keeps the sea calmer and the visibility higher than the open Red Sea further south. But four things shift through the year: - **Sea temperature** — 21 °C in February to 29 °C in August. Eight degrees is huge in wetsuit terms. - **Air temperature** — winter mornings can be 14 °C; July afternoons routinely hit 38 °C. - **Wind** — a steady N–NW wind picks up most afternoons in winter and spring; summer is glassy. - **Crowds** — September–October and Christmas/NY are when European divers descend; January–March is empty. Visibility (20–30 m year-round) doesn't shift much, so you can ignore it as a deciding factor. ## Month-by-month ### January - **Water:** 22–23 °C - **Air:** 18–22 °C - **Visibility:** 20–30 m - **Wind:** moderate N - **Crowds:** low - **Prices:** low Quiet wide-angle photography, fewer divers per site. ### February - **Water:** 21–22 °C - **Air:** 19–23 °C - **Visibility:** 20–30 m - **Wind:** moderate N - **Crowds:** low - **Prices:** low Coldest water of the year — plan a 5mm+ wetsuit, expect peace at major sites. ### March - **Water:** 21–22 °C - **Air:** 21–25 °C - **Visibility:** 20–30 m - **Wind:** moderate - **Crowds:** low-med - **Prices:** low Shoulder season — cool water, warm afternoons, minimal Blue Hole queues. ### April - **Water:** 22–24 °C - **Air:** 23–28 °C - **Visibility:** 20–25 m - **Wind:** moderate - **Crowds:** med - **Prices:** mid Sweet spot for Open Water training — calm, warm-enough, dive sites uncrowded. ### May - **Water:** 24–26 °C - **Air:** 27–32 °C - **Visibility:** 20–25 m - **Wind:** low-med - **Crowds:** med - **Prices:** mid Long warm days, plankton blooms can drop viz briefly but bring big fish. ### June - **Water:** 26–27 °C - **Air:** 30–35 °C - **Visibility:** 20–25 m - **Wind:** low - **Crowds:** high - **Prices:** high Liveaboard season starts — book ahead. Hot above water, glassy calm seas. ### July - **Water:** 27–28 °C - **Air:** 32–37 °C - **Visibility:** 20–25 m - **Wind:** low - **Crowds:** high - **Prices:** high Peak heat — mornings only, long surface intervals, hydrate aggressively. ### August - **Water:** 28–29 °C - **Air:** 33–38 °C - **Visibility:** 20–25 m - **Wind:** low - **Crowds:** high - **Prices:** high Hottest month. Warmest water of the year — 3mm shorty is plenty. ### September - **Water:** 27–28 °C - **Air:** 30–35 °C - **Visibility:** 25–30 m - **Wind:** low-med - **Crowds:** med-high - **Prices:** high Best overall month — warm water, low wind, top viz, crowds easing post-summer. ### October - **Water:** 26–27 °C - **Air:** 26–31 °C - **Visibility:** 25–30 m - **Wind:** low-med - **Crowds:** med-high - **Prices:** mid-high European autumn-break peak. Beautiful conditions, busy Blue Hole. ### November - **Water:** 24–26 °C - **Air:** 22–27 °C - **Visibility:** 20–30 m - **Wind:** moderate - **Crowds:** med - **Prices:** mid Winter wetsuit weather starts. Comfortable diving, reasonable prices. ### December - **Water:** 23–24 °C - **Air:** 19–24 °C - **Visibility:** 20–30 m - **Wind:** moderate - **Crowds:** med-high - **Prices:** mid-high Christmas/New Year spike — book stays early. Cool water, big crowds at Blue Hole. ## What to bring, by season **Winter (Dec–Mar):** 5 mm full wetsuit, hooded vest if you feel the cold, gloves optional. Mornings on the boat are properly cold — pack a fleece. **Shoulder (Apr–May, Oct–Nov):** 3 mm full or 5 mm shorty. The water is warm enough that beginners stay comfortable through a six-dive day. **Summer (Jun–Sep):** 3 mm shorty or skin. The bigger problem is sun and heat — long-sleeve rashie + reef-safe SPF 50 + 4 L of water per day. Dive in the morning, surface interval through the worst of the sun. ## When to book vs walk in In November–March, walk in. Most dive centres can take you next-morning, and prices won't budge. You don't need to plan more than a week out. In April–June and September–October, book your dives a week ahead. Liveaboards run from Sharm El Sheikh's marina but pull in Dahab divers — those should be booked two months ahead in season. July–August is hot and quiet on land but busy on the water in mornings, because everyone's trying to dive before noon. Book the night before. December has a Christmas/New Year peak that briefly looks like September. Book accommodation in November if you're aiming for the holidays. ## Diving the Blue Hole through the year The Blue Hole — see our [full Blue Hole guide](/blog/blue-hole-guide/) — is the most weather-resistant site in Dahab. Sheltered from prevailing N winds, deep enough that surface chop doesn't matter, and fed by a constant water exchange that keeps viz around 30 m year-round. The variables that matter for Blue Hole diving are crowds and parking. **September–October weekends** the road is bumper-to-bumper from Dahab to the dive site. **January–March weekdays** you'll have the rim almost to yourself. ## What about freediving? Dahab is one of the world's best freediving destinations. The same Blue Hole that recreational divers fear is a vertical pool for freedivers. Conditions for freediving: - **Warm-water freediving (3 mm/no suit):** May–November. - **Cold-water deep training (5 mm):** January–April. Many of the world's deepest freedives happen in February at 21 °C — the cold is part of the discipline. Most international freediving courses cluster in **April** and **October** — water warm enough for long days, sites uncrowded. ## When NOT to come - **Last week of December.** Christmas/NY brings prices up 50% and crowds the Blue Hole road for 5–7 days. - **Eid Al-Adha and Eid Al-Fitr.** These shift each year — check before you book. Dahab fills with Egyptian holiday traffic; dive sites are fine, restaurants are heaving. - **Sandstorm season (April).** A few days in early April can bring proper sandstorms ('khamasin') from the Sinai interior. Diving is still OK but the surface is unpleasant. ## How conditions compare to Sharm El Sheikh Same water — both sit on the Gulf of Aqaba, 90 km apart. But Sharm dive sites are mostly accessed by boat, so wind matters more, and the sites are busier with day-trippers from Hurghada. Dahab's shore-diving culture means a windy afternoon doesn't lose you a day. See [Dahab vs Sharm El Sheikh](/blog/sharm-el-sheikh-to-dahab/) for the full comparison. ## Bottom line **Don't overthink it.** Any month between October and May will give you a great trip if you have the right wetsuit and aren't trying to do everything in 35 °C heat. If you want the single best week, aim for the **second week of September** — water still warm, viz climbing, crowds easing, Blue Hole road manageable. ## FAQ
What's the best time to dive Dahab?
September is the consensus pick — water still 27–28 °C, visibility 25–30 m, winds easing, crowds dropping vs the August peak. The second-best window is April–May (shoulder season, calm, warm enough). Year-round diving is possible; the choice is between price, water temperature and crowds.
What month has the warmest water for diving Dahab?
August — average sea temperature 28–29 °C. A 3 mm shorty is plenty. The trade-off is air temperature 35 °C+ and crowded mornings on dive sites near town.
What's the cheapest month to dive Dahab?
January, February and early March. Hotels and dive packages can be 30–40% cheaper than September peak. You'll need a 5 mm wetsuit (water around 21–22 °C) but the sites are quiet and viz is excellent.
When is the Blue Hole least crowded?
Weekdays in late January through mid-March, plus most weekdays in November. Avoid weekends and the September–October European autumn-break peak.
Is September really the best month overall?
For most divers — yes. Water still 27–28 °C, visibility 25–30 m, winds easing, crowds noticeably down vs August. The catch: liveaboards and packages still trade at peak prices through mid-September.
Can I dive Dahab in winter without a drysuit?
Yes — a 5 mm wetsuit with hooded vest is standard from December to early March. Drysuits are uncommon in Dahab outside of long technical dives.
When are conditions best for an Open Water course?
April–May or October. Shoulder seasons combine warm-enough water, calm conditions, fewer divers in the shallows, and cheaper instructor rates than peak summer.
What is Dahab's water temperature month by month?
Jan 22 °C · Feb 21 °C · Mar 22 °C · Apr 23 °C · May 25 °C · Jun 27 °C · Jul 28 °C · Aug 29 °C · Sep 28 °C · Oct 27 °C · Nov 25 °C · Dec 23 °C. The Gulf of Aqaba is deep and sheltered, so temperatures lag the air by ~2 months.
What's the diving visibility in Dahab?
20–30 m year-round, with most days at 25 m+. The Gulf of Aqaba's depth and limited freshwater inflow keeps viz consistent. Worst days (15–20 m) follow heavy north winds; best (30 m+) on calm winter weekdays.
Can you dive Dahab in October / November / December?
Yes — all excellent. October has 27 °C water, calm conditions and dropping crowds. November is the value-for-money sweet spot — 25 °C water, 5 mm wetsuit, prices easing. December is winter wetsuit weather (23 °C) but dives are quiet outside the Christmas/NY week.
Can you dive Dahab in January / February / March?
Yes — winter diving is excellent for experienced divers and freedivers. Water 21–22 °C (5 mm hooded), viz at its best, sites empty. Hotels and dive packages 30–40% cheaper than September. The Blue Hole road is empty on weekdays.
Is Dahab good for diving for beginners?
Yes — Dahab is a top-three world destination for learning. Shore-access dive sites mean no boat-sickness, calm water year-round, instructor density is high (10+ centres), and prices are 30% lower than Sharm. Best months for an Open Water course: April–May or October.
Dahab vs Sharm El Sheikh for diving — which is better?
Same water, different style. Dahab is shore-diving culture, calm sheltered sites (Blue Hole, Canyon, Eel Garden, Bells), small dive centres, lower prices. Sharm is boat-diving (Ras Mohammed, Tiran, Thistlegorm wreck), bigger operations, higher prices. Pick Dahab for shore-diving and learning; Sharm for blue-water big-fish boat dives.
When is the best time to freedive Dahab?
Two clusters: April–May and October for warm-water training (23–27 °C, 3 mm). January–March for cold-water deep training (21 °C, 5 mm) — many world records are set in this window. Most international freediving courses run in April and October.
Is Dahab open for diving year-round?
Yes. Dahab does not close — every dive centre operates 365 days a year. The only days that disrupt diving are rare sandstorms (a few days in early April) and the rare strong N wind (winter). Weather-resistant sites like the Blue Hole stay divable nearly every day.
What sites should I dive in Dahab?
Top six: Blue Hole (iconic shore site, 30 m+ viz year-round), Canyon (deep crack, advanced), Bells (a fissure entry to a long wall), Eel Garden (calm, beginner-friendly), Lighthouse (house reef, snorkel-to-30 m), Three Pools (shallow lagoon, photo site). All shore-accessible.
How much does diving cost in Dahab?
Single guided shore dive ~$25–35 incl. tank/weights/transfer. Open Water course $300–400. Advanced $250–350. 10-dive package $200–280. Compare against Sharm where the same dives run $40–55 boat-only.
Can I learn to freedive in Dahab?
Yes — Dahab is the world's freediving capital. AIDA, SSI and PADI courses run year-round with 20+ certified instructors. Beginner Course (AIDA 2) ~$300, takes 2–3 days. The Blue Hole is the training site for advanced/competition depth diving.

Frequently asked

What's the best time to dive Dahab?
September is the consensus pick — water still 27–28 °C, visibility 25–30 m, winds easing, crowds dropping vs the August peak. The second-best window is April–May (shoulder season, calm, warm enough). Year-round diving is possible; the choice is between price, water temperature and crowds.
What month has the warmest water for diving Dahab?
August — average sea temperature 28–29 °C. A 3 mm shorty is plenty. The trade-off is air temperature 35 °C+ and crowded mornings on dive sites near town.
What's the cheapest month to dive Dahab?
January, February and early March. Hotels and dive packages can be 30–40% cheaper than September peak. You'll need a 5 mm wetsuit (water around 21–22 °C) but the sites are quiet and viz is excellent.
When is the Blue Hole least crowded?
Weekdays in late January through mid-March, plus most weekdays in November. Avoid weekends and the September–October European autumn-break peak.
Is September really the best month overall?
For most divers — yes. Water still 27–28 °C, visibility 25–30 m, winds easing, crowds noticeably down vs August. The catch: liveaboards and packages still trade at peak prices through mid-September.
Can I dive Dahab in winter without a drysuit?
Yes — a 5 mm wetsuit with hooded vest is standard from December to early March. Drysuits are uncommon in Dahab outside of long technical dives.
When are conditions best for an Open Water course?
April–May or October. Shoulder seasons combine warm-enough water, calm conditions, fewer divers in the shallows, and cheaper instructor rates than peak summer.
What is Dahab's water temperature month by month?
Jan 22 °C · Feb 21 °C · Mar 22 °C · Apr 23 °C · May 25 °C · Jun 27 °C · Jul 28 °C · Aug 29 °C · Sep 28 °C · Oct 27 °C · Nov 25 °C · Dec 23 °C. The Gulf of Aqaba is deep and sheltered, so temperatures lag the air by ~2 months.
What's the diving visibility in Dahab?
20–30 m year-round, with most days at 25 m+. The Gulf of Aqaba's depth and limited freshwater inflow keeps viz consistent. Worst days (15–20 m) follow heavy north winds; best (30 m+) on calm winter weekdays.
Can you dive Dahab in October / November / December?
Yes — all excellent. October has 27 °C water, calm conditions and dropping crowds. November is the value-for-money sweet spot — 25 °C water, 5 mm wetsuit, prices easing. December is winter wetsuit weather (23 °C) but dives are quiet outside the Christmas/NY week.
Can you dive Dahab in January / February / March?
Yes — winter diving is excellent for experienced divers and freedivers. Water 21–22 °C (5 mm hooded), viz at its best, sites empty. Hotels and dive packages 30–40% cheaper than September. The Blue Hole road is empty on weekdays.
Is Dahab good for diving for beginners?
Yes — Dahab is a top-three world destination for learning. Shore-access dive sites mean no boat-sickness, calm water year-round, instructor density is high (10+ centres), and prices are 30% lower than Sharm. Best months for an Open Water course: April–May or October.
Dahab vs Sharm El Sheikh for diving — which is better?
Same water, different style. Dahab is shore-diving culture, calm sheltered sites (Blue Hole, Canyon, Eel Garden, Bells), small dive centres, lower prices. Sharm is boat-diving (Ras Mohammed, Tiran, Thistlegorm wreck), bigger operations, higher prices. Pick Dahab for shore-diving and learning; Sharm for blue-water big-fish boat dives.
When is the best time to freedive Dahab?
Two clusters: April–May and October for warm-water training (23–27 °C, 3 mm). January–March for cold-water deep training (21 °C, 5 mm) — many world records are set in this window. Most international freediving courses run in April and October.
Is Dahab open for diving year-round?
Yes. Dahab does not close — every dive centre operates 365 days a year. The only days that disrupt diving are rare sandstorms (a few days in early April) and the rare strong N wind (winter). Weather-resistant sites like the Blue Hole stay divable nearly every day.
What sites should I dive in Dahab?
Top six: Blue Hole (iconic shore site, 30 m+ viz year-round), Canyon (deep crack, advanced), Bells (a fissure entry to a long wall), Eel Garden (calm, beginner-friendly), Lighthouse (house reef, snorkel-to-30 m), Three Pools (shallow lagoon, photo site). All shore-accessible.
How much does diving cost in Dahab?
Single guided shore dive ~$25–35 incl. tank/weights/transfer. Open Water course $300–400. Advanced $250–350. 10-dive package $200–280. Compare against Sharm where the same dives run $40–55 boat-only.
Can I learn to freedive in Dahab?
Yes — Dahab is the world's freediving capital. AIDA, SSI and PADI courses run year-round with 20+ certified instructors. Beginner Course (AIDA 2) ~$300, takes 2–3 days. The Blue Hole is the training site for advanced/competition depth diving.
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Ask Dahab Editorial
On-the-ground guides to Dahab, Egypt — written by long-stay residents and divers. Every page is checked against current local pricing, seasonal conditions and personal experience. Last reviewed against live data: Updated April 2026 · Sourced from Red Sea dive operators + multi-year averages.