Mantes-la-Jolie Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Mantes-la-Jolie.
Climate overview of Mantes-la-Jolie
Mantes-la-Jolie, Ile de France, France, sees big temperature differences between seasons, with August peaking at 25°C (77°F) and January dropping to 8°C (46°F).
Mantes-la-Jolie sees a moderate amount of rain/snowfall, totalling around 740 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.
Mantes-la-Jolie Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Mantes-la-Jolie - and find the best time to visit.
Monthly Temperature in Mantes-la-Jolie
Visitors to Mantes-la-Jolie can expect significant temperature changes throughout the year. 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 January.
At night, you can expect temperatures ranging from 14°C (57°F) in August to around 2°C (36°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Mantes-la-Jolie
Generally, Mantes-la-Jolie experiences moderate precipitation patterns, averaging 740 mm (29 in) yearly. Year-round, Mantes-la-Jolie 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 51 mm (2 in), is minimal. For more details, please visit our Mantes-la-Jolie 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 Mantes-la-Jolie
Seasonal changes in sunshine hours are quite dramatic in Mantes-la-Jolie. 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 Mantes-la-Jolie by Month
The relative humidity is high throughout the year in Mantes-la-Jolie.
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 Mantes-la-Jolie
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: 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 Mantes-la-Jolie
What is the best time to visit Mantes-la-Jolie?
June, July, August and September typically offer the most optimal weather in Mantes-la-Jolie. In contrast, January, February and December tend to have less optimal conditions. Mantes-la-Jolie has warm summers and cold winters.
What temperatures can I expect in Mantes-la-Jolie?
Daytime highs range from 8°C (46°F) in January 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 Mantes-la-Jolie get?
Annual rainfall is around 740 mm (29 in). December is the wettest month with 75 mm (3 in), while September is the driest with 51 mm (2 in).
How sunny is Mantes-la-Jolie?
Mantes-la-Jolie 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.
Mantes-la-Jolie 3-Day Forecast
Mantes-la-Jolie 3-Day Forecast
Mantes-la-Jolie on the map
Mantes-la-Jolie is highlighted - select any city to see its climate.
Popular this month
Where to go in July - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
The 10 most charming villages in France
Discover France's top 10 beautiful villages. From Normandy to the Côte d'Azur, experience quaint squares and cobbled streets. Which one will you visit this summer?
An alternative way to discover Paris
From street art, vintage shops, vegetarian cafes, to amazing cultural events, Paris has much to offer for the creative traveler. An overview of sights that you must see if you want to visit this city in an alternative way.
Nature is allowed to take its course in the Ardeche
The Ardèche is France at its most beautiful. The authentic villages and breathtaking mountainous landscapes are one of the main reasons. he climate in Ardèche is very pleasant. Temperatures are high during summer and it is often very sunny.
Explore the natural wonders of Corsica
Corsica offers an abundance of incredible natural wonders to explore. This stunning Mediterranean island is a paradise for outdoor enthusiasts and nature lovers alike.