Climate Overview
The climate in Échirolles is cool. The average annual temperature is 9°C and approximately 1412mm of precipitation falls per year. Échirolles receives a notable amount of rainfall throughout the year, including during its driest month. Échirolles 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, December, February, when temperatures can drop to -4°C. Échirolles experiences heavy snowfall, typically from January through December.
Temperature
Temperatures in Échirolles vary considerably across the year, with a 28°C difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 24°C with a mean of 19°C. The coldest month is January, when overnight lows fall to -4°C and the daily average is 0°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.
Precipitation
Échirolles is a fairly wet location, receiving approximately 1412mm of precipitation annually, which averages out to around 118mm per month. The wettest month is December, averaging 170mm of rainfall. May and June also tend to see above-average precipitation. The driest month is September, with just 66mm. That's 104mm less than December, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall. Échirolles receives heavy snowfall, accumulating around 338cm annually from January through December. The snowiest month is December, with approximately 80cm. Winter travel should account for significant snow cover.
Wind
Échirolles is relatively calm, with an average annual wind speed of 2km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 0km/h between the calmest and windiest months.
Seasons
3 days until Summer
It is currently spring in Échirolles, which began on March 20, 2026. Échirolles 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 24°C, while the coldest stretch bottoms out in January near -4°C. Summer is next, beginning on June 21, 2026 — 3 days from now.
Spring
Temperatures range from 0 to 16°C. Rainfall is heavy, totalling around 373mm across the season with a monthly average of 124mm. Winds are generally light, averaging 2km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 11 to 24°C. Rainfall is heavy, totalling around 310mm across the season with a monthly average of 103mm. Winds are generally light, averaging 2km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 0 to 19°C. Rainfall is heavy, totalling around 321mm across the season with a monthly average of 107mm. Expect around 43cm of snow accumulation during this period. Winds are generally light, averaging 2km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -4 to 7°C. Rainfall is heavy, totalling around 409mm across the season with a monthly average of 136mm. Expect around 209cm of snow accumulation during this period. Winds are generally light, averaging 2km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Best Time to Visit
The best time to visit Échirolles is during July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 84mm per month. By contrast, January can be quite cold with temperatures dropping to -4°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.
Monthly Climate Data
The table below shows monthly climate averages for Échirolles 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. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. 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.