Bois-Guillaume Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Bois-Guillaume.

Climate overview of Bois-Guillaume

Bois-Guillaume, Upper Normandy, France, experiences significant temperature variation throughout the year. Summers bring daytime highs of 24°C (75°F) in August, while winters cool to 8°C (46°F) in February.

Annual rain/snowfall is moderate at around 826 mm (33 in), with December being the wettest month. The sunniest month is June, with 6.8 hours of sunshine per day on average.

Bois-Guillaume Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Bois-Guillaume — and find the best time to visit.

Monthly Temperature in Bois-Guillaume

Depending on the time of the year, temperatures range from comfortable to chilly in Bois-Guillaume. Average daytime temperatures reach a comfortable 24°C (75°F) in August. In February, the coolest month of the year, temperatures drop to a chilly 8°C (46°F).

At night, temperatures range from around 14°C (57°F) in August to 2°C (36°F) in February.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Bois-Guillaume

Generally, Bois-Guillaume has a moderate amount of precipitation, averaging 826 mm (33 in) of rain/snowfall annually. Despite minor fluctuations, Bois-Guillaume enjoys fairly consistent precipitation throughout the year. In December, you can expect around 85 mm (3.3 in) of precipitation, while in September, Bois-Guillaume receives about 57 mm (2.2 in). For more details, please visit our Bois-Guillaume Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in Bois-Guillaume

Bois-Guillaume can be enjoyed more throughout the sunniest month of June under a blue sky, with approximately 6.8 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.7 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Rouen, France (3 KM, 2 Miles).

Daily hours of sunshine

Data from: Rouen, France (3 KM, 2 Miles).

Humidity in Bois-Guillaume by Month

Best Time to Visit Bois-Guillaume

During the months of May, June, July, August and September, Bois-Guillaume enjoys pleasant weather with average temperatures ranging from 19°C (65°F) to 24°C (75°F). These months are perfect for sightseeing and exploring.

Rainfall during this time ranges from 57 mm (2.2 in) in September to 70 mm (2.8 in) in May. This means you can expect a mix of sunny days and occasional showers.

Planning your next adventure but unsure where to go? Our climate tool suggests perfect locations tailored to your preferred weather conditions. Discover your ideal travel destination with our weather planner.

Frequently asked questions about the climate in Bois-Guillaume

What is the best time to visit Bois-Guillaume?

June, July, August and September typically offer the most optimal weather in Bois-Guillaume. In contrast, January, February and December tend to have less optimal conditions.

What temperatures can I expect in Bois-Guillaume?

Daytime highs range from 8°C (46°F) in February 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 Bois-Guillaume get?

Annual rainfall is around 826 mm (33 in). December is the wettest month with 85 mm (3.3 in), while September is the driest with 57 mm (2.2 in).

How sunny is Bois-Guillaume?

Bois-Guillaume 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.

Bois-Guillaume 3-Day Forecast

Bois-Guillaume 3-Day Forecast

Bois-Guillaume on the map

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