Cergy Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Cergy.
Climate overview of Cergy
Temperatures in Cergy, Ile de France, France, vary greatly throughout the year. August is the hottest month at 25°C (77°F), while February is the coldest at 8°C (46°F).
Cergy sees a moderate amount of rain/snowfall, totalling around 744 mm (29 in) per year. The most sunshine falls in July, with an average of 7.5 hours of daily sunshine.
Cergy Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Cergy — and find the best time to visit.
Monthly Temperature in Cergy
The climate in Cergy is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a comfortable 25°C (77°F) in August, the warmest time of the year, to a chilly 8°C (46°F) during cooler months like February.
At night, you can expect temperatures ranging from 14°C (57°F) in August to around 2°C (36°F) during February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Cergy
Generally, Cergy receives mid-range precipitation levels, with 744 mm (29 in) annually. Year-round, Cergy has a balanced climate with minimal variation in precipitation. The difference between the wettest month, December, with 76 mm (3 in), and the driest month, September, with 50 mm (2 in), is minimal. For more details, please visit our Cergy 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 Cergy
Seasonal changes in sunshine hours are quite dramatic in Cergy. 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 Cergy by Month
The relative humidity is high throughout the year in Cergy.
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 Cergy
Frequently asked questions about the climate in Cergy
What is the best time to visit Cergy?
May, June, July, August and September typically offer the most optimal weather in Cergy. In contrast, January, February and December tend to have less optimal conditions.
What temperatures can I expect in Cergy?
Daytime highs range from 8°C (46°F) in February to 25°C (77°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 Cergy get?
Annual rainfall is around 744 mm (29 in). December is the wettest month with 76 mm (3 in), while September is the driest with 50 mm (2 in).
How sunny is Cergy?
Cergy 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.
Cergy 3-Day Forecast
Cergy 3-Day Forecast
Cergy on the map
Cergy is highlighted — select any city to see its climate.
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