| Month | Daytime air | Sea |
|---|---|---|
| January | 23 °C | 22 °C |
| February | 24 °C | 21 °C |
| March | 26 °C | 22 °C |
| April | 29 °C | 23 °C |
| May | 32 °C | 25 °C |
| June | 34 °C | 27 °C |
| July | 36 °C | 28 °C |
| August | 36 °C | 29 °C |
| September | 34 °C | 29 °C |
| October | 32 °C | 27 °C |
| November | 28 °C | 25 °C |
| December | 25 °C | 23 °C |
How to read the table
The sea lags the air by about two months, which is why September is often nicer for swimming than June. Rain is negligible, about 33 mm a year over 6 days according to one climate site. In winter, water at 21 to 22 °C calls for a wetsuit when snorkelling; from May to October it stays between 25 and 29 °C.
Which month for whom
Most guides name April-May and October-November as shoulder seasons, with bearable heat and warm water; the hottest months are June to August. To compare with Hurghada see Hurghada or Marsa Alam, and for hotel areas where to stay in Marsa Alam. The figures for the neighbouring city are in Hurghada weather by month.
FAQ
What is the sea temperature in Marsa Alam? About 21 to 22 °C in winter and 28 to 29 °C from July to September.
Which month is the hottest? July and August, around 36 °C by day.
Does it rain in Marsa Alam? Very little: about 33 mm a year according to one climate site.
When should I visit Marsa Alam? Many sources recommend April-May and October-November.
To make the most of the water, add a trip such as the Abu Dabbab snorkelling tour and choose your hotel on Booking by its reef.
The Hurghada Authority editorial team, 29 October 2026.
