Climate Insights for Sidi Slimane

The climate in Sidi Slimane is warm and mild. The average annual temperature is 20°C and approximately 389mm of precipitation falls per year. March is the wettest month, receiving around 68mm of rainfall. Sidi Slimane is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are January, February, December, when temperatures can drop to 7°C.

Temperatures in Sidi Slimane vary considerably across the year, with a 28°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 35°C and the mean temperature sits around 27°C. January is the coolest month, with minimum temperatures around 7°C and an average of 12°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 5°C shift in average temperatures.

Sidi Slimane is a quite dry location, receiving approximately 389mm of precipitation annually, which averages out to around 32mm per month. The wettest month is March, averaging 68mm of rainfall. January and December also tend to see above-average precipitation. The driest month is August, with just 2mm. That's 66mm less than March, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Sidi Slimane is mildly breezy, with an average annual wind speed of 14km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is June, averaging 16km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 11km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 5km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 12km/h in winter, 15km/h in spring, 15km/h in summer, 13km/h in autumn.

It is currently spring in Sidi Slimane, which began on March 20, 2026. Sidi Slimane is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 35°C, while the coldest stretch bottoms out in January near 7°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Sidi Slimane is during March, April, May, June, September, October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 35mm per month. By contrast, August can be uncomfortably hot with highs reaching 35°C, while January is the coldest period with lows dropping to 7°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Sidi Slimane based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.