Climate Insights for Saint-Denis

The climate in Saint-Denis is warm and mild. The average annual temperature is 21°C and approximately 1,414 mm of precipitation falls per year. Saint-Denis receives a notable amount of rainfall throughout the year, including during its driest month. Saint-Denis 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: January, February, March. The coldest months are August, July, September, when temperatures can drop to 16°C.The climate in Saint-Denis is warm and mild. The average annual temperature is 70°F and approximately 55.7 in of precipitation falls per year. Saint-Denis receives a notable amount of rainfall throughout the year, including during its driest month. Saint-Denis 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: January, February, March. The coldest months are August, July, September, when temperatures can drop to 61°F.

Saint-Denis has relatively stable temperatures year-round, staying within a 10°C range. The warmest month is January, when average highs reach 26°C and the mean temperature sits around 24°C. August is the coolest month, with minimum temperatures around 16°C and an average of 19°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows.Saint-Denis has relatively stable temperatures year-round, staying within a 18°F range. The warmest month is January, when average highs reach 79°F and the mean temperature sits around 75°F. August is the coolest month, with minimum temperatures around 61°F and an average of 65°F. Daily temperature variation is modest, with an average difference of 8°F between highs and lows.

Saint-Denis is a fairly wet location, receiving approximately 1,414 mm of precipitation annually, which averages out to around 118 mm per month. The wettest month is January, averaging 266 mm of rainfall. February and March also tend to see above-average precipitation. The driest month is September, with just 38 mm. That's 227 mm 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-Denis is a fairly wet location, receiving approximately 55.7 in of precipitation annually, which averages out to around 4.6 in per month. The wettest month is January, averaging 10.5 in of rainfall. February and March also tend to see above-average precipitation. The driest month is September, with just 1.5 in. That's 8.9 in 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-Denis is relatively calm, with an average annual wind speed of 8km/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 9km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 7km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.Saint-Denis is mildly breezy, with an average annual wind speed of 5mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is June, averaging 5mph, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 5mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 0mph between the calmest and windiest months.

The best time to visit Saint-Denis is during May, June, July, August, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 54 mm per month. By contrast, January can be uncomfortably hot with temperatures reaching 26°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.The best time to visit Saint-Denis is during May, June, July, August, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 67°F with modest rainfall averaging 2.1 in per month. By contrast, January can be uncomfortably hot with temperatures reaching 79°F. 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-Denis 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.The table below shows monthly climate averages for Saint-Denis based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.