Climate Overview
The climate in Saint-Cyr-sur-Mer is temperate. The average annual temperature is 16°C and approximately 671mm of precipitation falls per year. November is the wettest month, receiving around 104mm of rainfall. Saint-Cyr-sur-Mer 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 6°C.
Temperature
Temperatures in Saint-Cyr-sur-Mer vary considerably across the year, with a 21°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 24°C. January is the coolest month, with minimum temperatures around 6°C and an average of 9°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows. The sharpest temperature change occurs between May and June, with a 5°C shift in average temperatures.
Precipitation
Saint-Cyr-sur-Mer is a relatively dry area, receiving approximately 671mm of precipitation annually, which averages out to around 56mm per month. The wettest month is November, averaging 104mm of rainfall. October and December also tend to see above-average precipitation. The driest month is July, with just 12mm. That's 92mm less than November, 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
Saint-Cyr-sur-Mer is mildly breezy, with an average annual wind speed of 16km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 18km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 14km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4km/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 18km/h in winter, 17km/h in spring, 14km/h in summer, 16km/h in autumn.
Seasons
7 days until Autumn
It is currently summer in Saint-Cyr-sur-Mer, which began on June 21, 2026. Saint-Cyr-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 August at around 27°C, while the coldest stretch bottoms out in January near 6°C. Autumn is next, beginning on September 23, 2026 (7 days from now).
Spring
Temperatures range from 8 to 19°C. Precipitation is moderate at around 172mm for the season, averaging 57mm per month. Winds are moderate at around 17km/h. Light layers work well as temperatures warm through the season. It is a great time to be outdoors.
Summer
Temperatures range from 18 to 27°C. Rainfall is relatively light, with around 63mm over the season and a monthly average of 21mm. Winds are generally light, averaging 14km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.
Autumn
Temperatures range from 10 to 24°C. Precipitation is moderate at around 255mm for the season, averaging 85mm per month. Winds are moderate at around 16km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 6 to 13°C. Precipitation is moderate at around 180mm for the season, averaging 60mm 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 Saint-Cyr-sur-Mer is during May, June, July, August, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 45mm per month. By contrast, January can be quite cold with temperatures dropping to 6°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 Saint-Cyr-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.
