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Siwa Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Siwa.
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Climate overview of Siwa
Siwa, in Matruh, Egypt, experiences strong temperature contrasts throughout the year. Summers are extremely hot and dry, while the cooler months are more comfortable, with pleasant daytime temperatures. Rainfall is minimal, and long dry stretches are the norm.
Visitors are drawn to Siwa for its remote setting, ancient ruins, salt lakes, and unique cultural identity, which has been preserved through centuries of relative isolation. Most exploration happens during the milder seasons, when the climate is more manageable. Now, let’s explore all the climate details to give you a complete picture.
Siwa Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Siwa - and find the best time to visit.
Monthly Temperature in Siwa
In Siwa, temperatures differ significantly between summer and winter months. Average maximum daytime temperatures range from a very hot 38°C (100°F) in July, the warmest time of the year, to a pleasant 20°C (68°F) during cooler months like January.
At night, you can expect temperatures ranging from 24°C (75°F) in July to around 7°C (45°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Siwa
Siwa sits in an arid zone with minimal moisture, averaging 13 mm (0.5 in) of rainfall per year. Year-round, Siwa has a balanced climate with minimal variation in precipitation. The difference between the wettest month, February, with 3.7 mm (0.1 in), and the driest month, July, with 0 mm (0 in), is minimal. For more details, please visit our Siwa Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Siwa
While the amount of sunshine in Siwa varies throughout the year, all seasons offer their own charm. Enjoy up to 12.1 hours of daily sun in August, and experience slightly darker atmosphere in January, with about 7.7 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Siwa by Month
The relative humidity is moderate throughout the year in Siwa.
The city experiences its highest humidity in December, reaching 59%. In June, the humidity drops to its lowest level at 33%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Siwa
The mean wind speed varies between 2 m/s (4 knots) and 3 m/s (6 knots) throughout the year. It is lowest in June, July, August, September, October, November and December and highest during January, February, March, April and May. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Siwa
Conditions in Siwa are generally most comfortable in January, February, March, November and December. They are typically least comfortable in May, June, July, August and September.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
excellent
Feb
excellent
Mar
excellent
Apr
very good
May
very hot
Jun
very hot
Jul
very hot
Aug
very hot
Sep
very hot
Oct
very good
Nov
excellent
Dec
excellent
- Best overall: January, February, March, November and December
- Warmest weather: June, July and August
- Most sunshine: July and August
- Seasonal pattern: Very little rainfall year-round, with very hot summers and pleasant winters
Frequently asked questions about the climate in Siwa
What is the best time to visit Siwa?
January, February, March, November and December typically offer the most optimal weather in Siwa. In contrast, May, June, July, August and September tend to have less optimal conditions. Siwa has very little rainfall year-round, with very hot summers and pleasant winters.
What temperatures can I expect in Siwa?
Daytime highs range from 20°C (68°F) in January to 38°C (100°F) in July. Nighttime lows range from 7°C (45°F) to 24°C (75°F). Temperatures vary considerably through the year.
How much rain does Siwa get?
Annual rainfall is around 13 mm (0.5 in). February is the wettest month with 3.7 mm (0.1 in), while July is the driest with 0 mm (0 in).
How sunny is Siwa?
Siwa receives around 3,541 hours of sunshine per year. August is the sunniest month with 363 hours, while January is the cloudiest with just 231 hours. Overall, Siwa enjoys abundant sunshine.
Siwa 3-Day Forecast
Siwa on the map
Siwa is highlighted - select any city to see its climate.
Popular in September
Where to go in September - average daytime high across popular destinations.
Luxor39°C (102°F) Sharm El Sheikh
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