The temperatures in Dunkerque in May are usually low and can range between 10°C and 15°C.
You can expect about 3 to 8 days of rain in Dunkerque during the month of May. 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 Dunkerque in May 2026.
If you’re planning to visit Dunkerque in the near future, we highly recommend that you review the 14 day weather forecast for Dunkerque before you arrive.
Temperatures
15° / 10°
Rainy Days
5
Snowy Days
0
Dry Days
26
Rainfall
69
mm
Sun Hours
9.4
Hrs
