The temperatures in Bellingham in May are quite cold with temperatures between 8°C and 16°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Bellingham 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 Bellingham in May 2025.
If you’re planning to visit Bellingham in the near future, we highly recommend that you review the 14 day weather forecast for Bellingham before you arrive.
Temperatures
16° / 8°
Rainy Days
7
Snowy Days
0
Dry Days
24
Rainfall
86
mm
Sun Hours
5.9
Hrs