SeasonMapSiwa weather in May
Egypt
May in Siwa: hot, dry — a great time to visit.
#8 of 12 months in Siwa · #817 of 1383 destinations to visit in May · comfort 78/100 (tier B)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Siwa in May
Other months in Siwa
Siwa's forum places the best visiting window from October through April, well clear of July's peak heat. Regulars note the desert oasis cools quickly once the sun goes down, so a wind jacket or sweater for the evening is standard advice even when the day itself was warm and sunny.
Add your own note from Siwa's card on the map.
Siwa climate normals — May
| Daytime high | 33°C / 91°F | 🥵 hot |
|---|---|---|
| Nighttime low | 19°C / 67°F | |
| Feels like (high) | 31°C / 88°F | |
| Rainfall | 0 mm / 0 in | ☀️ dry |
| Rainy days | 0 days | |
| Humidity | 36% | 🌵 dry |
| Dew point | 10°C / 50°F | |
| Sunshine | 12.3 h/day | |
| Daylight | 13.6 h | |
| Wind | 22 km/h / 14 mph | |
| Air quality (US AQI) | 64 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Siwa in May
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Shoulder seasonschool holidays in 3 of the markets that fill it, an ordinary month(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Siwa's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherSiwa's best weather comes in March, April and November — separate windows, not one continuous season.
Best weatherFair weatherToughest weather
What's on in Siwa in May
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Oasis summer
15 May – 15 Sep · usuallyExtreme heatEverything happens before nine and after six, and the shaded pools and the cold springs are the whole day in between. Sand sea trips stop being a good idea altogether.
Where is Siwa?
Siwa in May — FAQ
- Is May a good time to visit Siwa?
- May in Siwa: hot, dry — a great time to visit. It ranks #8 of 12 months for Siwa on SeasonMap's comfort score (78/100).
- What is the weather like in Siwa in May?
- In May, Siwa averages a daily high of 32.8°C and a low of 19.3°C, with about 0.1 mm of rain over roughly 0 rainy days.
- What is the air quality in Siwa in May?
- Siwa has a mean US Air Quality Index of about 64 in May.