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