Pontoise Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Pontoise.
Climate overview of Pontoise
Pontoise, Ile de France, France, sees big temperature differences between seasons, with July peaking at 25°C (77°F) and January dropping to 8°C (46°F).
With around 745 mm (29 in) of annual rain/snowfall, the city has moderate precipitation levels. December is the wettest month and September the driest. It also has warm summers and cold winters. The most sunshine falls in July, with an average of 7.5 hours of daily sunshine.
Pontoise Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Pontoise - and find the best time to visit.
Monthly Temperature in Pontoise
Visitors to Pontoise can expect significant temperature changes throughout the year. Typically, average maximum daytime temperatures range from a comfortable 25°C (77°F) in July to a chilly 8°C (46°F) in the coolest month, January.
Nights vary from 14°C (57°F) in July to around 2°C (36°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Pontoise
Generally, Pontoise experiences moderate precipitation patterns, averaging 745 mm (29 in) yearly. Precipitation levels in Pontoise remain relatively steady throughout the year. December has the most rain, with 76 mm (3 in) over 16 days. In the driest month September, this drops slightly to 50 mm (2 in), making the city's climate fairly predictable. For more details, please visit our Pontoise 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 Pontoise
For those who appreciate different seasons, Pontoise serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 7.5 hours of sunshine daily, and embrace the darker days in December, offering only 1.9 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Pontoise by Month
The relative humidity is high throughout the year in Pontoise.
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 Pontoise
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
- Seasonal pattern: Warm summers and cold winters
Frequently asked questions about the climate in Pontoise
What is the best time to visit Pontoise?
May, June, July, August and September typically offer the most optimal weather in Pontoise. In contrast, January, February and December tend to have less optimal conditions. Pontoise has warm summers and cold winters.
What temperatures can I expect in Pontoise?
Daytime highs range from 8°C (46°F) in January to 25°C (77°F) in July. Nighttime lows range from 2°C (36°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Pontoise get?
Annual rainfall is around 745 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 Pontoise?
Pontoise 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.
Pontoise 3-Day Forecast
Pontoise 3-Day Forecast
Pontoise on the map
Pontoise is highlighted - select any city to see its climate.
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