Boulogne-sur-Mer Weather in April
What's the weather like in Boulogne-sur-Mer (Nord-Pas-de-Calais) in April 2025?
The climate in Boulogne-sur-Mer during April can be summarized as cool and reasonably dry.
April is in the spring in Boulogne-sur-Mer and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a cool 11°C (53°F), whilst at night 5°C (41°F) is normal.
| Daytime temperature | 11.4°C 52.5°F |
|---|---|
| Nightly temperature | 4.8°C 40.6°F |
| Average temperature | 8.1°C 46.6°F |
| Daily sunshine | 6 hrs |
| Avg rainfall | 49 mm 1.9 ins |
| Rainy days | 15 days |
| Sea temperature | 9.2°C 48.6°F |
| Humidity | 81% |
| Windspeed | 18.4kph 11 mph |
On average April is the 2nd driest month of the year in Boulogne-sur-Mer with around 49mm 1.9 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.
On the flip side this corresponds to an average of 6 hours of sunshine per day.
April temperatures in Boulogne-sur-Mer
April rainfall
April hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Boulogne-sur-Mer in April 2025.
Other monthly averages
Boulogne-sur-Mer weather stats
| Hottest month: | August | 20.3°C 68.5°F |
|---|---|---|
| Driest month: | February | 47mm 1.9ins |
| Sunniest month: | August | 7.6hrs |
| Coldest month: | January | 6.2°C 43.2°F |
| Wettest month: | November | 93mm 3.7ins |
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