Mont-Saint-Aignan Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Mont-Saint-Aignan.
Climate overview of Mont-Saint-Aignan
The climate in Mont-Saint-Aignan, Upper Normandy, France, is marked by large temperature swings across the seasons, ranging from 24°C (75°F) in August to 8°C (46°F) in January.
The city receives around 830 mm (33 in) of rain/snowfall per year. It experiences warm summers and cold winters. December is the wettest month and September the driest. The sunniest month is June, with 6.8 hours of sunshine per day on average.
Mont-Saint-Aignan Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Mont-Saint-Aignan - and find the best time to visit.
Monthly Temperature in Mont-Saint-Aignan
In Mont-Saint-Aignan, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 24°C (75°F) in August to a chilly 8°C (46°F) in January.
Nighttime temperatures range from 14°C (57°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 Mont-Saint-Aignan
On average, Mont-Saint-Aignan receives a reasonable amount of rain/snowfall, with an annual precipitation of 830 mm (33 in). The wettest period in Mont-Saint-Aignan occurs in December, which receives around 85 mm (3.3 in) of precipitation. During the driest month, September, Mont-Saint-Aignan experiences moderate rainfall, totaling 58 mm (2.3 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Mont-Saint-Aignan 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 Mont-Saint-Aignan
In Mont-Saint-Aignan, summer days are longer and more sunny, with daily sunshine hours peaking at 6.8 hours in June. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.7 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Mont-Saint-Aignan by Month
The city experiences its highest humidity in December, reaching 91%. In April, the humidity drops to its lowest level at 78%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Mont-Saint-Aignan
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: June, July and August
- Fewest rainy days: June, July, August and September
- Seasonal pattern: Warm summers and cold winters
Frequently asked questions about the climate in Mont-Saint-Aignan
What is the best time to visit Mont-Saint-Aignan?
June, July, August and September typically offer the most optimal weather in Mont-Saint-Aignan. In contrast, January, February and December tend to have less optimal conditions. Mont-Saint-Aignan has warm summers and cold winters.
What temperatures can I expect in Mont-Saint-Aignan?
Daytime highs range from 8°C (46°F) in January to 24°C (75°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 Mont-Saint-Aignan get?
Annual rainfall is around 830 mm (33 in). December is the wettest month with 85 mm (3.3 in), while September is the driest with 58 mm (2.3 in).
How sunny is Mont-Saint-Aignan?
Mont-Saint-Aignan receives around 1,573 hours of sunshine per year. June is the sunniest month with 205 hours, while December is the cloudiest with just 51 hours.
Mont-Saint-Aignan 3-Day Forecast
Mont-Saint-Aignan 3-Day Forecast
Mont-Saint-Aignan on the map
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