The temperatures in Hainaut in May are quite cold with temperatures between 8°C and 17°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Hainaut 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 Hainaut in May 2026.
If you’re planning to visit Hainaut in the near future, we highly recommend that you review the 14 day weather forecast for Hainaut before you arrive.
Temperatures
17° / 8°
Rainy Days
6
Snowy Days
0
Dry Days
25
Rainfall
88
mm
Sun Hours
8.6
Hrs
