Saint-Omer Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Saint-Omer.
Climate overview of Saint-Omer
Saint-Omer, Nord-Pas-de-Calais, France, sees big temperature differences between seasons, with August peaking at 23°C (73°F) and January dropping to 8°C (46°F).
Saint-Omer sees a moderate amount of rain/snowfall, totalling around 819 mm (32 in) per year. The most sunshine falls in July, with an average of 7.1 hours of daily sunshine.
Saint-Omer Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Saint-Omer — and find the best time to visit.
Monthly Temperature in Saint-Omer
Visitors to Saint-Omer can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 23°C (73°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 Saint-Omer
Generally, Saint-Omer experiences moderate precipitation patterns, averaging 819 mm (32 in) yearly. Year-round, Saint-Omer has a balanced climate with minimal variation in precipitation. The difference between the wettest month, December, with 80 mm (3.1 in), and the driest month, March, with 56 mm (2.2 in), is minimal. For more details, please visit our Saint-Omer 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 Saint-Omer
Seasonal changes in sunshine hours are quite dramatic in Saint-Omer. While July receives considerable daily sunshine with up to 7.1 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.7 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Saint-Omer by Month
The city experiences its highest humidity in December, reaching 90%. In May, 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 Saint-Omer
The weather does bring rainfall during this period, between 65 mm (2.6 in) and 77 mm (3 in). Looking for inspiration on where to travel this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
Frequently asked questions about the climate in Saint-Omer
What is the best time to visit Saint-Omer?
June, July, August and September typically offer the most optimal weather in Saint-Omer. In contrast, January, February and December tend to have less optimal conditions.
What temperatures can I expect in Saint-Omer?
Daytime highs range from 8°C (46°F) in January to 23°C (73°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 Saint-Omer get?
Annual rainfall is around 819 mm (32 in). December is the wettest month with 80 mm (3.1 in), while March is the driest with 56 mm (2.2 in).
How sunny is Saint-Omer?
Saint-Omer receives around 1,631 hours of sunshine per year. July is the sunniest month with 213 hours, while December is the cloudiest with just 51 hours.
Saint-Omer 3-Day Forecast
Saint-Omer 3-Day Forecast
Saint-Omer on the map
Saint-Omer is highlighted — select any city to see its climate.
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