Climate Insights for Sainte-Marie

The climate in Sainte-Marie is warm and mild. The average annual temperature is 21°C and approximately 1414mm of precipitation falls per year. Sainte-Marie receives a notable amount of rainfall throughout the year, including during its driest month. Sainte-Marie 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.

Sainte-Marie 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.

Sainte-Marie is a fairly wet location, receiving approximately 1414mm of precipitation annually, which averages out to around 118mm per month. The wettest month is January, averaging 266mm of rainfall. February and March also tend to see above-average precipitation. The driest month is September, with just 38mm. That's 227mm 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.

Sainte-Marie 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.

It is currently winter in Sainte-Marie, which began on June 21, 2026. Sainte-Marie 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 January at around 26°C, while the coldest stretch bottoms out in August near 16°C. Spring is next, beginning on September 23, 2026 (1 days from now).

The best time to visit Sainte-Marie 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 54mm 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 table below shows monthly climate averages for Sainte-Marie 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.