The temperatures in Boulogne Sur Mer in July are usually low and can range between 14°C and 19°C.
You can expect about 3 to 8 days of rain in Boulogne Sur Mer during the month of July. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Boulogne Sur Mer in July 2026.
If you’re planning to visit Boulogne Sur Mer in the near future, we highly recommend that you review the 14 day weather forecast for Boulogne Sur Mer before you arrive.
Temperatures
19° / 14°
Rainy Days
6
Snowy Days
0
Dry Days
25
Rainfall
91
mm
Sun Hours
9.8
Hrs
