Climate Insights for Saint-Leu

The climate in Saint-Leu is warm and mild. The average annual temperature is 23°C and approximately 1059mm of precipitation falls per year. January is the wettest month, receiving around 223mm of rainfall. Saint-Leu is in the Southern Hemisphere. The seasons are reversed: summer runs from December to February, while winter falls between June and August. The summer months are: February, March, January. The coldest months are August, July, September, when temperatures can drop to 19°C.

Saint-Leu has relatively stable temperatures year-round, staying within a 8°C range. The warmest month is February, when average highs reach 27°C and the mean temperature sits around 25°C. August is the coolest month, with minimum temperatures around 19°C and an average of 20°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows.

Saint-Leu is a moderately rainy area, receiving approximately 1059mm of precipitation annually, which averages out to around 88mm per month. The wettest month is January, averaging 223mm of rainfall. February and March also tend to see above-average precipitation. The driest month is July, with just 23mm. That's 200mm less than January, 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.

Saint-Leu is relatively calm, with an average annual wind speed of 10km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 13km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 8km/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 be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 12km/h in winter, 9km/h in spring, 9km/h in summer, 11km/h in autumn.

It is currently winter in Saint-Leu, which began on June 21, 2026. Saint-Leu is in the Southern Hemisphere, where the seasons are reversed: spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in February at around 27°C, while the coldest stretch bottoms out in August near 19°C. Spring is next, beginning on September 23, 2026 (1 days from now).

The best time to visit Saint-Leu is during May, June, July, August, September, October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 41mm per month. By contrast, February can be uncomfortably hot with temperatures reaching 27°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 Saint-Leu 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.