Marsa Alam in August: weather, sea temperature and trips
In August Marsa Alam averages 35°C by day and 26°C at night, and the sea is about 29°C. The hottest month and the warmest sea of the year, at about 29°C. Perfect for snorkelling and dolphins; book ahead, as it is peak season.
Marsa Alam in August at a glance
| Average | |
|---|---|
| Day temperature | 35°C |
| Night temperature | 26°C |
| Sea temperature | 29°C (28.9°C to 32.1°C over the past 10 years) |
| Sunshine | 12 hours a day |
| Rain | Usually no rain |
| Daylight | 13 hours; sunrise about 06:14, sunset about 19:15 |
| Wind | Often windy (about 5 days in 10) |
| UV index | 11+ (extreme) |
Air, sea, sunshine and rain: long-term averages from Weather2Travel. Sea range: lowest and highest readings for the month over the past 10 years (SeaTemperature.info). Wind: share of days when the wind reached 30 km/h or more, ERA5 data for 2016 to 2025 via Open-Meteo. Sunrise and sunset on the 15th, Egypt time.
Sea temperature and swimming in August
This is the warmest the sea gets all year. Average sea temperature: 28°C in July, 29°C in August and 28°C in September. You can snorkel for an hour or more without feeling cold.
No wetsuit needed. A rash vest or an old T-shirt protects your back from the sun while you snorkel.
What's running in August
With the sea at about 29°C you can stay in the water as long as you like. Sataya and Dolphin House are both at their best, and calves are often with the dolphins in late summer; boats keep their distance and let the dolphins come to you.
August is busy with Italian and other European families, so book a few days ahead. Abu Dabab is the easiest beach day for families.
Day-trip weather in August
| Trip | Day | Night |
|---|---|---|
| Luxor | 39°C | 23°C |
| Cairo and the pyramids | 35°C | 21°C |
Weather2Travel long-term averages. Luxor is inland, so its days are hotter and its nights cooler than on the coast.
Holidays and crowds in August
August is peak family season: UK school holidays, the Italian Ferragosto week around 15 August and the Czech summer holidays all fall this month. Hotels are full and popular boat trips can fill up, so book a few days ahead.
What to book in August

Sataya dolphin reef by yacht
The warmest water and calves in late summer: the best time for Sataya.

Dolphin House by boat
Samadai's dolphins, with two long swim stops.

Coral Garden by boat
Three reef stops in the warmest water of the year.

Abu Dabab bay by bus
Sandy bay, loungers and turtles: an easy family day.
What to pack for Marsa Alam in August
- Swimwear, sunglasses and a hat
- High-factor sun cream (SPF 50): the UV index is very high, even when a breeze makes it feel cooler
- Light, loose clothes that cover your shoulders, and a refillable water bottle: in the midday heat you need to drink often
- A windproof layer for boat trips, as it is cooler on deck
- Reef shoes or water shoes for coral beaches and rocky entries
August in Sharm El Sheikh, Hurghada and Marsa Alam
| Resort | Day | Night | Sea | Windy days |
|---|---|---|---|---|
| Sharm El Sheikh | 35°C | 26°C | 28°C | rare |
| Hurghada | 34°C | 26°C | 28°C | 6/10 |
| Marsa Alam | 35°C | 26°C | 29°C | 5/10 |
Marsa Alam weather by month
| Month | Day | Night | Sea | Sun | Windy days |
|---|---|---|---|---|---|
| January | 23°C | 13°C | 23°C | 9 h | 3/10 |
| February | 24°C | 14°C | 22°C | 10 h | 3/10 |
| March | 27°C | 16°C | 23°C | 10 h | 4/10 |
| April | 30°C | 20°C | 23°C | 11 h | 4/10 |
| May | 32°C | 23°C | 25°C | 12 h | 5/10 |
| June | 34°C | 25°C | 27°C | 13 h | 6/10 |
| July | 35°C | 25°C | 28°C | 13 h | 4/10 |
| August | 35°C | 26°C | 29°C | 12 h | 5/10 |
| September | 34°C | 25°C | 28°C | 11 h | 6/10 |
| October | 32°C | 22°C | 27°C | 10 h | 3/10 |
| November | 27°C | 18°C | 26°C | 10 h | 1/10 |
| December | 25°C | 15°C | 24°C | 9 h | 2/10 |
Long-term averages from Weather2Travel. Windy days: share of days with wind of 30 km/h or more (ERA5, 2016 to 2025).
Frequently asked questions
What is the sea temperature in Marsa Alam in August?
About 29°C on average. Over the past 10 years, readings for August ranged from 28.9°C to 32.1°C.
Is it warm enough to swim in Marsa Alam in August?
Yes. At about 29°C the sea is at its warmest, and you can stay in for a long time without a wetsuit.
What is the weather like in Marsa Alam in August?
Average highs are 35°C and lows 26°C, with about 12 hours of sunshine a day and usually no rain.
Is August a good time to visit Marsa Alam?
The hottest month and the warmest sea of the year, at about 29°C. Perfect for snorkelling and dolphins; book ahead, as it is peak season.
Book or ask a question
Every tour on this page can be booked online from its page, with no prepayment: you pay on the day. To ask about dates, hotel pickup or private trips, write to us on WhatsApp at +20 101 337 0369 or Telegram at @sinbad_tour_bot, or call +20 100 687 2059.
Sources
- Weather2Travel: Marsa Alam climate by month
- SeaTemperature.info: Marsa Alam water temperature
- HEPCA: A management plan for Satayah reef (2018)
- HEPCA: February, as windy as it gets (Satayah and Samadai survey)
- Open-Meteo: historical weather API (ERA5), wind 2016 to 2025
- timeanddate.com: daylight saving time in Egypt
- Weather2Travel: Cairo climate
- Weather2Travel: Luxor climate