Climate Insights for Boutiers-Saint-Trojan

The climate in Boutiers-Saint-Trojan is temperate. The average annual temperature is 14°C and approximately 818mm of precipitation falls per year. October is the wettest month, receiving around 87mm of rainfall. Boutiers-Saint-Trojan is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are January, February, December, when temperatures can drop to 3°C.

Temperatures in Boutiers-Saint-Trojan vary considerably across the year, with a 24°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 27°C and the mean temperature sits around 21°C. January is the coolest month, with minimum temperatures around 3°C and an average of 6°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 5°C shift in average temperatures.

Boutiers-Saint-Trojan is a moderately rainy area, receiving approximately 818mm of precipitation annually, which averages out to around 68mm per month. The wettest month is October, averaging 87mm of rainfall. December and November also tend to see above-average precipitation. The driest month is July, with just 26mm. That's 61mm less than October, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.

Boutiers-Saint-Trojan is mildly breezy, with an average annual wind speed of 18km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 20km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 15km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 5km/h 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 19km/h in winter, 18km/h in spring, 16km/h in summer, 17km/h in autumn.

It is currently spring in Boutiers-Saint-Trojan, which began on March 20, 2026. Boutiers-Saint-Trojan 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 27°C, while the coldest stretch bottoms out in January near 3°C. Summer is next, beginning on June 21, 2026 — 88 days from now.

The best time to visit Boutiers-Saint-Trojan is during May, June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 55mm per month. By contrast, January can be quite cold with temperatures dropping to 3°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 Boutiers-Saint-Trojan 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.