Saint-Martin-Boulogne Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Saint-Martin-Boulogne.
Climate overview of Saint-Martin-Boulogne
The climate in Saint-Martin-Boulogne, Nord-Pas-de-Calais, France, is marked by large temperature swings across the seasons, ranging from 22°C (72°F) in August to 9°C (48°F) in February.
The city receives around 908 mm (36 in) of rainfall per year. December is the wettest month and April the driest. July is the sunniest month, averaging 7.3 hours of sunshine per day.
Saint-Martin-Boulogne Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Saint-Martin-Boulogne — and find the best time to visit.
Monthly Temperature in Saint-Martin-Boulogne
In Saint-Martin-Boulogne, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 22°C (72°F) in August to a chilly 9°C (48°F) in February.
Nighttime temperatures range from 15°C (59°F) in August to 3°C (37°F) in February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Saint-Martin-Boulogne
On average, Saint-Martin-Boulogne receives a reasonable amount of rainfall, with an annual precipitation of 908 mm (36 in). The amount of precipitation varies moderately throughout the year. The wettest month, December, sees around 102 mm (4 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, April, still receives a respectable 56 mm (2.2 in) of rainfall. For more details, please visit our Saint-Martin-Boulogne 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-Martin-Boulogne
In Saint-Martin-Boulogne, summer days are longer and more sunny, with daily sunshine hours peaking at 7.3 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.8 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Saint-Martin-Boulogne by Month
The city experiences its highest humidity in November, reaching 89%. In April, the humidity drops to its lowest level at 82%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Saint-Martin-Boulogne
Frequently asked questions about the climate in Saint-Martin-Boulogne
What is the best time to visit Saint-Martin-Boulogne?
July, August and September typically offer the most optimal weather in Saint-Martin-Boulogne. In contrast, January, February, November and December tend to have less optimal conditions.
What temperatures can I expect in Saint-Martin-Boulogne?
Daytime highs range from 9°C (48°F) in February to 22°C (72°F) in August. Nighttime lows range from 3°C (37°F) to 15°C (59°F). Temperatures vary considerably through the year.
How much rain does Saint-Martin-Boulogne get?
Annual rainfall is around 908 mm (36 in). December is the wettest month with 102 mm (4 in), while April is the driest with 56 mm (2.2 in).
How sunny is Saint-Martin-Boulogne?
Saint-Martin-Boulogne receives around 1,687 hours of sunshine per year. July is the sunniest month with 218 hours, while December is the cloudiest with just 55 hours.
Saint-Martin-Boulogne 3-Day Forecast
Saint-Martin-Boulogne 3-Day Forecast
Saint-Martin-Boulogne on the map
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