Climate Overview
The climate in Cavalaire-sur-Mer is temperate. The average annual temperature is 17°C and approximately 622mm of precipitation falls per year. October is the wettest month, receiving around 117mm of rainfall. Cavalaire-sur-Mer is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, February, December, when temperatures can drop to 7°C.
Temperature
Temperatures in Cavalaire-sur-Mer vary considerably across the year, with a 24°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 31°C and the mean temperature sits around 27°C. January is the coolest month, with minimum temperatures around 7°C and an average of 10°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between May and June, with a 5°C shift in average temperatures.
Precipitation
Cavalaire-sur-Mer is a relatively dry area, receiving approximately 622mm of precipitation annually, which averages out to around 52mm per month. The wettest month is October, averaging 117mm of rainfall. November and December also tend to see above-average precipitation. The driest month is July, with just 8mm. That's 109mm 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
Cavalaire-sur-Mer 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 21km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in August, with average winds dropping to 16km/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.
Seasons
88 days until Summer
It is currently spring in Cavalaire-sur-Mer, which began on March 20, 2026. Cavalaire-sur-Mer 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 July at around 31°C, while the coldest stretch bottoms out in January near 7°C. Summer is next, beginning on June 21, 2026 — 88 days from now.
Spring
Temperatures range from 9 to 22°C. Rainfall is relatively light, with around 150mm over the season and a monthly average of 50mm. Winds are moderate at around 19km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 19 to 31°C. Rainfall is relatively light, with around 54mm over the season and a monthly average of 18mm. Winds are moderate at around 16km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 10 to 26°C. Precipitation is moderate at around 260mm for the season, averaging 87mm per month. Winds are moderate at around 18km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 7 to 14°C. Precipitation is moderate at around 158mm for the season, averaging 53mm per month. Winds are moderate at around 18km/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 Cavalaire-sur-Mer is during May, June and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 38mm per month. By contrast, July can be uncomfortably hot with highs reaching 31°C, while January is the coldest period with lows dropping to 7°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 Cavalaire-sur-Mer 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.