Climate Overview
The climate in Roche-à-Bateau is warm and mild. The average annual temperature is 25°C and approximately 908mm of precipitation falls per year. Roche-à-Bateau receives a notable amount of rainfall throughout the year, including during its driest month. Roche-à-Bateau 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 February, January, March, when temperatures can drop to 22°C.
Temperature
Roche-à-Bateau has relatively stable temperatures year-round, staying within a 7°C range. The warmest month is August, when average highs reach 29°C and the mean temperature sits around 27°C. February is the coolest month, with minimum temperatures around 22°C and an average of 23°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows.
Precipitation
Roche-à-Bateau is a moderately rainy area, receiving approximately 908mm of precipitation annually, which averages out to around 76mm per month. The wettest month is October, averaging 172mm of rainfall. November and April also tend to see above-average precipitation. The driest month is January, with just 31mm. That's 142mm less than October, 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.
Wind
Roche-à-Bateau is mildly breezy, with an average annual wind speed of 17km/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 21km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in November, with average winds dropping to 14km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 7km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 16km/h in winter, 18km/h in spring, 20km/h in summer, 15km/h in autumn.
Seasons
89 days until Summer
It is currently spring in Roche-à-Bateau, which began on March 20, 2026. Roche-à-Bateau 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 29°C, while the coldest stretch bottoms out in February near 22°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 22 to 27°C. Precipitation is moderate at around 242mm for the season, averaging 81mm per month. Winds are moderate at around 18km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 24 to 29°C. Precipitation is moderate at around 191mm for the season, averaging 64mm per month. Winds are moderate at around 20km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 23 to 28°C. Rainfall is heavy, totalling around 380mm across the season with a monthly average of 127mm. Winds are generally light, averaging 15km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 22 to 26°C. Rainfall is relatively light, with around 95mm over the season and a monthly average of 32mm. Winds are moderate at around 16km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Roche-à-Bateau is during January, February, March, April and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 49mm per month. By contrast, August can be uncomfortably hot with temperatures reaching 29°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
Monthly Climate Data
The table below shows monthly climate averages for Roche-à-Bateau 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.