The temperatures in Bouillon in May are quite cold with temperatures between 7°C and 17°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Bouillon 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 Bouillon in May 2026.
If you’re planning to visit Bouillon in the near future, we highly recommend that you review the 14 day weather forecast for Bouillon before you arrive.
Temperatures
17° / 7°
Rainy Days
7
Snowy Days
0
Dry Days
24
Rainfall
115
mm
Sun Hours
8.6
Hrs
