Montreuil-sur-Mer Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Montreuil-sur-Mer.
Climate overview of Montreuil-sur-Mer
Temperatures in Montreuil-sur-Mer, Nord-Pas-de-Calais, France, vary greatly throughout the year. August is the hottest month at 23°C (73°F), while January is the coldest at 8°C (46°F).
Montreuil-sur-Mer sees a moderate amount of rain/snowfall, totalling around 885 mm (35 in) per year. It experiences warm summers and cold winters, creating some seasonal variation. Sunshine peaks in July, when the city sees around 7.3 hours of sunshine per day.
Montreuil-sur-Mer Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Montreuil-sur-Mer - and find the best time to visit.
Monthly Temperature in Montreuil-sur-Mer
The climate in Montreuil-sur-Mer is known for significant temperature differences throughout the year, making the weather dynamic. 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 3°C (37°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Montreuil-sur-Mer
Generally, Montreuil-sur-Mer receives mid-range precipitation levels, with 885 mm (35 in) annually. Year-round, Montreuil-sur-Mer has a balanced climate with minimal variation in precipitation. The difference between the wettest month, December, with 97 mm (3.8 in), and the driest month, March, with 60 mm (2.4 in), is minimal. For more details, please visit our Montreuil-sur-Mer 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 Montreuil-sur-Mer
Seasonal changes in sunshine hours are quite dramatic in Montreuil-sur-Mer. While July receives considerable daily sunshine with up to 7.3 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.8 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Montreuil-sur-Mer 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 Montreuil-sur-Mer
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
- Seasonal pattern: Warm summers and cold winters
Frequently asked questions about the climate in Montreuil-sur-Mer
What is the best time to visit Montreuil-sur-Mer?
June, July, August and September typically offer the most optimal weather in Montreuil-sur-Mer. In contrast, January, February and December tend to have less optimal conditions. Montreuil-sur-Mer has warm summers and cold winters.
What temperatures can I expect in Montreuil-sur-Mer?
Daytime highs range from 8°C (46°F) in January to 23°C (73°F) in August. Nighttime lows range from 3°C (37°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Montreuil-sur-Mer get?
Annual rainfall is around 885 mm (35 in). December is the wettest month with 97 mm (3.8 in), while March is the driest with 60 mm (2.4 in).
How sunny is Montreuil-sur-Mer?
Montreuil-sur-Mer 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.
Montreuil-sur-Mer 3-Day Forecast
Montreuil-sur-Mer 3-Day Forecast
Montreuil-sur-Mer on the map
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