The temperatures in Dieppe in July are comfortable with low of 15°C and and high up to 19°C.
You can expect about 3 to 8 days of rain in Dieppe 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 Dieppe in July 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
19° / 15°
Rainy Days
5
Snowy Days
0
Dry Days
26
Rainfall
80
mm
Sun Hours
9.7
Hrs
