Cachan Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Cachan.
Climate overview of Cachan
Cachan, Ile de France, France, experiences significant temperature variation throughout the year. Summers bring daytime highs of 26°C (79°F) in July, while winters cool to 8°C (46°F) in January.
Cachan sees a moderate amount of rain/snowfall, totalling around 745 mm (29 in) per year. It experiences warm summers and cold winters, creating some seasonal variation. The most sunshine falls in July, with an average of 7.5 hours of daily sunshine.
Cachan Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Cachan - and find the best time to visit.
Monthly Temperature in Cachan
Depending on the time of the year, temperatures range from comfortable to chilly in Cachan. Average maximum daytime temperatures range from a comfortable 26°C (79°F) in July, the warmest time of the year, to a chilly 8°C (46°F) during cooler months like January.
At night, you can expect temperatures ranging from 15°C (59°F) in July to around 2°C (36°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Cachan
Generally, Cachan has a moderate amount of precipitation, averaging 745 mm (29 in) of rain/snowfall annually. Year-round, Cachan has a balanced climate with minimal variation in precipitation. The difference between the wettest month, December, with 75 mm (3 in), and the driest month, September, with 53 mm (2.1 in), is minimal. For more details, please visit our Cachan Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Cachan
Seasonal changes in sunshine hours are quite dramatic in Cachan. While July receives considerable daily sunshine with up to 7.5 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.9 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Cachan by Month
The relative humidity is high throughout the year in Cachan.
The city experiences its highest humidity in November, reaching 84%. In April, the humidity drops to its lowest level at 69%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Cachan
The mean wind speed over the year ranges from 3 m/s (6 knots) in May, June, July, August, September, October and November to 4 m/s (8 knots) in January, February, March, April and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Cachan
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, June, July, August and September
- Warmest weather: July and August
- Most sunshine: July and August
- Fewer rainy days: June, July, August, September and October
- Seasonal pattern: Warm summers and cold winters
Frequently asked questions about the climate in Cachan
What is the best time to visit Cachan?
May, June, July, August and September typically offer the most optimal weather in Cachan. In contrast, January, February and December tend to have less optimal conditions. Cachan has warm summers and cold winters.
What temperatures can I expect in Cachan?
Daytime highs range from 8°C (46°F) in January to 26°C (79°F) in July. Nighttime lows range from 2°C (36°F) to 15°C (59°F). Temperatures vary considerably through the year.
How much rain does Cachan get?
Annual rainfall is around 745 mm (29 in). December is the wettest month with 75 mm (3 in), while September is the driest with 53 mm (2.1 in).
How sunny is Cachan?
Cachan receives around 1,725 hours of sunshine per year. July is the sunniest month with 224 hours, while December is the cloudiest with just 58 hours.
Cachan 3-Day Forecast
Cachan on the map
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