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Roissy-en-France Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Roissy-en-France.
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Climate overview of Roissy-en-France
Roissy-en-France, Ile de France, France, experiences significant temperature variation throughout the year. Summers bring daytime highs of 26°C (79°F) in August, while winters cool to 8°C (46°F) in January.
The city receives around 748 mm (29 in) of rain/snowfall per year. It experiences warm summers and cold winters. December is the wettest month and September the driest. The most sunshine falls in July, with an average of 7.5 hours of daily sunshine.
Roissy-en-France Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Roissy-en-France - and find the best time to visit.
Monthly Temperature in Roissy-en-France
Depending on the time of the year, temperatures range from comfortable to chilly in Roissy-en-France. On average, daytime temperatures range from a comfortable 26°C (79°F) in August to a chilly 8°C (46°F) in January.
Nighttime temperatures range from 15°C (59°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 Roissy-en-France
Generally, Roissy-en-France has a moderate amount of precipitation, averaging 748 mm (29 in) of rain/snowfall annually. The wettest period in Roissy-en-France occurs in December, which receives around 78 mm (3.1 in) of precipitation. During the driest month, September, Roissy-en-France experiences moderate rainfall, totaling 52 mm (2 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Roissy-en-France 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 Roissy-en-France
In Roissy-en-France, summer days are longer and more sunny, with daily sunshine hours peaking at 7.5 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.9 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Paris, France (6 KM, 3 Miles).
Daily hours of sunshine
Data from: Paris, France (6 KM, 3 Miles).
Daily percentage of sunshine
Data from: Paris, France (6 KM, 3 Miles).
Humidity in Roissy-en-France by Month
The relative humidity is high throughout the year in Roissy-en-France.
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
Data from: Paris, France (6 KM, 3 Miles).
Wind Speed in Roissy-en-France
The average wind speed over the year ranges from 3 m/s (6 knots) to 4 m/s (8 knots). It is lower in May, June, July, August, September, October and November and higher in January, February, March, April and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Data from: Paris, France (6 KM, 3 Miles).
Best Time to Visit Roissy-en-France
For comfortable weather, consider visiting Roissy-en-France in May, June, July, August and September. Conditions are usually least favourable in January, February and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
cold
Feb
cold
Mar
mixed
Apr
good
May
excellent
Jun
excellent
Jul
excellent
Aug
excellent
Sep
excellent
Oct
good
Nov
mixed
Dec
cold
- 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 Roissy-en-France
What is the best time to visit Roissy-en-France?
May, June, July, August and September typically offer the most optimal weather in Roissy-en-France. In contrast, January, February and December tend to have less optimal conditions. Roissy-en-France has warm summers and cold winters.
What temperatures can I expect in Roissy-en-France?
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 15°C (59°F). Temperatures vary considerably through the year.
How much rain does Roissy-en-France get?
Annual rainfall is around 748 mm (29 in). December is the wettest month with 78 mm (3.1 in), while September is the driest with 52 mm (2 in).
How sunny is Roissy-en-France?
Roissy-en-France 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.
Roissy-en-France 3-Day Forecast
Roissy-en-France on the map
Roissy-en-France is highlighted - select any city to see its climate.
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