Orsay Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Orsay.
Climate overview of Orsay
Temperatures in Orsay, Ile de France, France, vary greatly throughout the year. August is the hottest month at 26°C (79°F), while January is the coldest at 8°C (46°F).
Orsay sees a moderate amount of rain/snowfall, totalling around 739 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.
Orsay Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Orsay - and find the best time to visit.
Monthly Temperature in Orsay
The climate in Orsay is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a comfortable 26°C (79°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 Orsay
Generally, Orsay receives mid-range precipitation levels, with 739 mm (29 in) annually. Year-round, Orsay has a balanced climate with minimal variation in precipitation. The difference between the wettest month, December, with 73 mm (2.9 in), and the driest month, September, with 53 mm (2.1 in), is minimal. For more details, please visit our Orsay 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 Orsay
Seasonal changes in sunshine hours are quite dramatic in Orsay. 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 Orsay by Month
The relative humidity is high throughout the year in Orsay.
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 Orsay
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
- Fewer rainy days: June, July, August, September and October
- Seasonal pattern: Warm summers and cold winters
Frequently asked questions about the climate in Orsay
What is the best time to visit Orsay?
May, June, July, August and September typically offer the most optimal weather in Orsay. In contrast, January, February and December tend to have less optimal conditions. Orsay has warm summers and cold winters.
What temperatures can I expect in Orsay?
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 Orsay get?
Annual rainfall is around 739 mm (29 in). December is the wettest month with 73 mm (2.9 in), while September is the driest with 53 mm (2.1 in).
How sunny is Orsay?
Orsay 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.
Orsay 3-Day Forecast
Orsay on the map
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