The temperatures in Bolu in May are quite cold with temperatures between 6°C and 20°C, warm clothes are a must.
You can expect rain for roughly half of the month of May in Bolu. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Bolu in May 2025.
If you’re planning to visit Bolu in the near future, we highly recommend that you review the 14 day weather forecast for Bolu before you arrive.
Temperatures
20° / 6°
Rainy Days
12
Snowy Days
0
Dry Days
19
Rainfall
141
mm
Sun Hours
10.8
Hrs