Le Chesnay Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Le Chesnay.
Climate overview of Le Chesnay
Le Chesnay, Ile de France, France, sees big temperature differences between seasons, with August peaking at 26°C (79°F) and January dropping to 8°C (46°F).
Annual rain/snowfall is moderate at around 746 mm (29 in), with December being the wettest month. The city also has warm summers and cold winters. Sunshine peaks in July, when the city sees around 7.5 hours of sunshine per day.
Le Chesnay Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Le Chesnay - and find the best time to visit.
Monthly Temperature in Le Chesnay
Visitors to Le Chesnay can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 26°C (79°F) in August. In January, the coolest month of the year, temperatures drop to a chilly 8°C (46°F).
At night, temperatures range from around 14°C (57°F) in August to 2°C (36°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Le Chesnay
Generally, Le Chesnay experiences moderate precipitation patterns, averaging 746 mm (29 in) yearly. Despite minor fluctuations, Le Chesnay enjoys fairly consistent precipitation throughout the year. In December, you can expect around 74 mm (2.9 in) of precipitation, while in September, Le Chesnay receives about 53 mm (2.1 in). For more details, please visit our Le Chesnay 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 Le Chesnay
Le Chesnay can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 7.5 hours of sunshine daily. In contrast, the city experiences much darker days in December, 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 Le Chesnay by Month
The relative humidity is high throughout the year in Le Chesnay.
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
Best Time to Visit Le Chesnay
Each month is rated for comfortable sightseeing weather — mild temperatures and low rainfall. Tap a month for its full averages; your ideal time may differ for a beach or winter trip (see below).
- 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
- Climate seasons: warm summers and cold winters
Frequently asked questions about the climate in Le Chesnay
What is the best time to visit Le Chesnay?
May, June, July, August and September typically offer the most optimal weather in Le Chesnay. In contrast, January, February and December tend to have less optimal conditions. Le Chesnay has warm summers and cold winters.
What temperatures can I expect in Le Chesnay?
Daytime highs range from 8°C (46°F) in January to 26°C (79°F) in August. Nighttime lows range from 2°C (36°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Le Chesnay get?
Annual rainfall is around 746 mm (29 in). December is the wettest month with 74 mm (2.9 in), while September is the driest with 53 mm (2.1 in).
How sunny is Le Chesnay?
Le Chesnay 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.
Le Chesnay 3-Day Forecast
Le Chesnay 3-Day Forecast
Le Chesnay on the map
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