Click on a day for an hourly weather forecast
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.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / -5° | 7 | 10 | 15 | 151 mm | Awful | Bolu in January |
| February | 6° / -3° | 8 | 11 | 10 | 135 mm | Awful | Bolu in February |
| March | 9° / -1° | 9 | 12 | 10 | 135 mm | Awful | Bolu in March |
| April | 15° / 3° | 9 | 19 | 3 | 114 mm | Bad | Bolu in April |
| May | 20° / 6° | 12 | 19 | 0 | 141 mm | Ok | Bolu in May |
| June | 24° / 10° | 12 | 18 | 0 | 150 mm | Good | Bolu in June |
| July | 27° / 12° | 4 | 27 | 0 | 57 mm | Perfect | Bolu in July |
| August | 28° / 13° | 5 | 26 | 0 | 61 mm | Perfect | Bolu in August |
| September | 24° / 10° | 4 | 26 | 0 | 64 mm | Perfect | Bolu in September |
| October | 18° / 7° | 7 | 24 | 0 | 97 mm | Ok | Bolu in October |
| November | 12° / 3° | 5 | 24 | 1 | 61 mm | Ok | Bolu in November |
| December | 6° / -2° | 7 | 15 | 9 | 126 mm | Awful | Bolu in December |