Red Sea

Best Time to Dive in Dahab

28.51°N 34.53°E

The wildlife shows no season worth planning around, so the weather picks your month: October to January.

Best time
Oct–Jan
Water
2228 °C
Visibility
1030 m
Dived from
shore diving
Tidal range
0.30.7 m
Species logged
4

Where it is

Red Sea
25 kmN

111 km across · coastline from Natural Earth 10m

Diving in Dahab — monthly breakdown

Best months at this destination

A year of scuba diving conditions at a glance. Hover a month to isolate it.

Month by month conditions, water temperature, visibility and marine life
JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember
ConditionsGoodModeratePoorModeratePoorPoorModeratePoorPoorGoodExcellentExcellent
Water temp (°C)232222232426272828272624
Visibility (m)102010201020102020301525203020302030152510201020
Marine lifeSteadySteadySteadySteadySteadySteadySteadySteadySteadySteadySteadySteady
Best timePeakPeakPeakPeak
Excellent Good Moderate PoorPeak season Oct–Jan

Long-term averages, 2016–2025. Visibility is estimated from satellite chlorophyll-a. Water temperature is the surface mean; it is cooler at depth.

The Dahab diving season

3 seasons

February to March · Shoulder season

2 months
Water temperature
2222 °C
Visibility
1020 m
Rain
1 days a month

Diving conditionsIt rains more. The sea is rougher.

April to September · Off season

6 months
Water temperature
2328 °C
Visibility
2030 m
Rain
0 days a month

Diving conditionsSeas are usually flat. It rains less. The wind is up.

October to January · Peak season

4 months
Water temperature
2327 °C
Visibility
1020 m
Rain
1 days a month

Diving conditionsSeas are usually flat. It rains more. The wind eases.

  • Water temperature is satellite sea-surface temperature, so expect it cooler below the thermocline.
  • Visibility is estimated from satellite chlorophyll-a.

Dahab water temperature and weather

151 underwater observation records · 22 surveyed years of ocean data · 10 years of sea temperature

Water & weather

Dahab water temperature by month

The dashed line is the monthly average. Eight days in ten fall inside the band.

202224262830JanFebMarAprMayJunJulAugSepOctNovDecSea temperature (°C)

10th to 90th percentile rangemonthly mean

3
rough days a month

Seas top 1.0 m on 11% of days. Enough to cancel a shore entry

0
blowy days a month

Gusts over 40 km/h, about where a day boat stays in port

0
wet days a month

0 of them bring heavy rain

Monthly sea state, wind, rain, air temperature and daylight
MonthSwellGusts over 40 km/hWet daysHeavy rainAirDaylight
January0.9 m0%1022 °C10.4 h
February1.1 m0%1023 °C11.0 h
March1.2 m1%1026 °C11.8 h
April1.2 m1%0030 °C12.7 h
May1.1 m0%0034 °C13.4 h
June1.0 m0%0037 °C13.8 h
July0.9 m0%0038 °C13.6 h
August1.0 m0%0038 °C13.0 h
September1.0 m0%0036 °C12.2 h
October1.0 m0%0032 °C11.3 h
November0.9 m0%1028 °C10.6 h
December0.9 m0%1024 °C10.2 h

Swell is the rough end of the month: nine days in ten come in under it. Sea temperature covers 10 years, waves 4.

Pick your week

48 weeks from the daily record. Darker is better, against this site's own year. Pick a month for the detail.

Conditions by week, four weeks per month
Week 1January week 1: ExcellentFebruary week 1: GoodMarch week 1: ModerateApril week 1: PoorMay week 1: ModerateJune week 1: PoorJuly week 1: ModerateAugust week 1: ModerateSeptember week 1: PoorOctober week 1: ModerateNovember week 1: ExcellentDecember week 1: Good
Week 2January week 2: ExcellentFebruary week 2: PoorMarch week 2: PoorApril week 2: PoorMay week 2: PoorJune week 2: PoorJuly week 2: ModerateAugust week 2: PoorSeptember week 2: PoorOctober week 2: ModerateNovember week 2: ExcellentDecember week 2: Excellent
Week 3January week 3: ModerateFebruary week 3: PoorMarch week 3: PoorApril week 3: PoorMay week 3: PoorJune week 3: PoorJuly week 3: ModerateAugust week 3: PoorSeptember week 3: PoorOctober week 3: GoodNovember week 3: ExcellentDecember week 3: Excellent
Week 4January week 4: ModerateFebruary week 4: ModerateMarch week 4: PoorApril week 4: GoodMay week 4: PoorJune week 4: PoorJuly week 4: GoodAugust week 4: PoorSeptember week 4: PoorOctober week 4: ExcellentNovember week 4: GoodDecember week 4: Excellent
Excellent Good Moderate PoorBest week to go: first of November

November, week by week

WeekConditionsWaterSwellWindRain chance
Week 1Excellent26 °C0.8 m22 km/h1%
Week 2Excellent26 °C0.9 m22 km/h2%
Week 3Excellent26 °C0.9 m22 km/h3%
Week 4Good25 °C1.0 m21 km/h4%

10 years of daily records, averaged into weeks.

Gear & storms

What to wear

Off the coldest water of each month, not the average — that is what the suit has to cope with.

Wetsuit thickness by month
JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember
SuitJanuary: 5 mmFebruary: 5 mmMarch: 5 mmApril: 5 mmMay: 5 mmJune: 3 mmJuly: 3 mmAugust: skinSeptember: 3 mmOctober: 3 mmNovember: 3 mmDecember: 5 mm
  • Dec–May5 mm full suit
  • Jun–Jul3 mm full suit
  • Augskin or 3 mm shorty
  • Sep–Nov3 mm full suit

Swell through the year

The rough end of each month — nine days in ten come in under it.

JanJanuary: 0.9 metresFebFebruary: 1.1 metresMarMarch: 1.2 metresAprApril: 1.2 metresMayMay: 1.1 metresJunJune: 1.0 metresJulJuly: 0.9 metresAugAugust: 1.0 metresSepSeptember: 1.0 metresOctOctober: 1.0 metresNovNovember: 0.9 metresDecDecember: 0.9 metres

Amber is over 1.0 m.

Tides

springs 0.7 mneaps 0.4 mneapsone lunar month
Daily tidal range across one lunar month.

Tropical storms

No tropical storm has come within 250 km in 30 years of records. Swell and wind set the season, not cyclones.

  • NOAASea surface temperature, from OISST and MUR
  • ERA5Wind, waves, rain and air temperature, via Open-Meteo
  • OBISMarine species records within 60 km
  • IBTrACSTropical cyclone tracks, 1996 to 2025

Dahab marine life — what you'll see diving

151 records within 60 km

Only 151 records have been logged within 60 km. A thin record is not an empty reef.

SpeciesWhenObserved windowReliabilityEvidenceRecords
Bluespotted ribbontail rayAll yearNear-guaranteed
14/22
76
Hawksbill turtleAll yearLikely
12/22
24
Napoleon wrasseAll yearLikely
12/22
21
Green turtleMay–Aug, DecHit-or-miss
6/22
8
Peak Present
Observed window
Months with records. Peak is where most of them fall.
Reliability
  • Near-guaranteed in 60% of surveyed years or more
  • Likely 30% to 60%
  • Hit-or-miss under 30%
Evidence
Years it was seen, out of the years anyone surveyed.
Records
OBIS sightings within 60 km.

These are sightings people logged, not a full survey of the reef. A species missing from a month may just mean nobody recorded one.

Diving Dahab — common questions

When is the best time to dive Dahab?
The wildlife shows no season worth planning around, so the weather picks your month: October to January.
When is the diving season in Dahab?
The diving season in Dahab runs October to January.
Is the diving in Dahab good for beginners?
Yes. It suits Open Water divers, so it works for a first trip after certification.
How warm is the water in Dahab?
Between 22 and 28 °C at the surface across the year, coldest in February and warmest in August. It runs cooler below the thermocline.
What wetsuit do I need in Dahab?
A 5 mm full suit covers the coldest water of the year. In the warmest months a skin or 3 mm shorty is enough.
What is the visibility like in Dahab?
Roughly 10 to 30 m depending on the month. That is estimated from satellite chlorophyll-a rather than measured in the water.
What will I see diving Dahab?
The most consistently recorded species are Bluespotted ribbontail ray (near-guaranteed), Hawksbill turtle (likely) and Napoleon wrasse (likely), from 151 records within 60 km.
Does Dahab get tropical storms?
No. None has passed within 250 km in 30 years of records.
Is there current in Dahab?
The tide rises and falls 0.7 m around the full and new moon, against 0.3 m in between. How much of that becomes current depends on the shape of the channel.
When should I avoid Dahab?
May–June, August are the weakest months for conditions.
How do you dive Dahab?
Mostly from the shore. Trips run through the season, Oct–Jan.