SeasonMapSiwa weather in December
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December in Siwa: nice, dry — an excellent time to visit.
#5 of 12 months in Siwa · #306 of 1383 destinations to visit in December · comfort 85/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Siwa in December
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 — December
| Daytime high | 20°C / 68°F | 😎 nice |
|---|---|---|
| Nighttime low | 10°C / 50°F | |
| Feels like (high) | 17°C / 63°F | |
| Rainfall | 3 mm / 0.1 in | ☀️ dry |
| Rainy days | 1 days | |
| Humidity | 68% | 💧 humid |
| Dew point | 8°C / 46°F | |
| Sunshine | 9.1 h/day | |
| Daylight | 10.3 h | |
| Wind | 18 km/h / 11 mph | |
| Air quality (US AQI) | 72 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Siwa in December
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 5 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 December
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
The good months for the sand sea
15 Oct – 15 Apr · usuallyDry seasonThe half of the year when the dunes, the salt lakes and the springs are all usable in the middle of the day, and the nights are cold enough for a fire at the camp.
- Nature
Olive harvest
1 Nov – 31 Dec · usuallyThe presses run from November and the year's oil turns up on every table. It is the quietest and most workmanlike season in the oasis, and the walking weather is at its best.
Where is Siwa?
Siwa in December — FAQ
- Is December a good time to visit Siwa?
- December in Siwa: nice, dry — an excellent time to visit. It ranks #5 of 12 months for Siwa on SeasonMap's comfort score (85/100).
- What is the weather like in Siwa in December?
- In December, Siwa averages a daily high of 19.9°C and a low of 10.1°C, with about 2.5 mm of rain over roughly 0.8 rainy days.
- What is the air quality in Siwa in December?
- Siwa has a mean US Air Quality Index of about 72 in December.