Boulogne-sur-Mer Weather in June
What's the weather like in Boulogne-sur-Mer (Nord-Pas-de-Calais) in June 2025?
The climate in Boulogne-sur-Mer during June can be summarized as mild and reasonably dry.
June is in the summer in Boulogne-sur-Mer and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 18°C (65°F), whilst at night 11°C (52°F) is normal.
| Daytime temperature | 18.1°C 64.6°F |
|---|---|
| Nightly temperature | 10.9°C 51.6°F |
| Average temperature | 14.5°C 58.1°F |
| Daily sunshine | 8 hrs |
| Avg rainfall | 54 mm 2.1 ins |
| Rainy days | 12 days |
| Sea temperature | 13.6°C 56.5°F |
| Humidity | 81% |
| Windspeed | 15.5kph 10 mph |
On average June is the 5th driest month of the year in Boulogne-sur-Mer with around 54mm 2.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 8 hours of sunshine per day.
June temperatures in Boulogne-sur-Mer
June rainfall
June 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 June 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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