Best Time to Visit Bolu
Best time: Aug, Jul, Sep, Jun.
Jul is warmest (26.6°C high); Dec is rainiest (69 mm).
Bolu weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | 4.7 | -3.5 | 64 | 2.8 |
| Feb | 7.1 | -2 | 47 | 3.9 |
| Mar | 10.6 | -0.2 | 53 | 5.7 |
| Apr | 15.9 | 4.2 | 50 | 7.8 |
| May | 20.4 | 7.5 | 61 | 9.5 |
| Jun | 24 | 10.5 | 50 | 10.9 |
| Jul | 26.6 | 12.8 | 31 | 11.6 |
| Aug | 26.5 | 12.5 | 24 | 10.7 |
| Sep | 23.3 | 9.1 | 29 | 8 |
| Oct | 18.1 | 5.7 | 39 | 5.6 |
| Nov | 11.8 | 1.5 | 46 | 3.6 |
| Dec | 6.5 | -1.1 | 69 | 2.5 |
Average high temperature
Best months by activity
Overall: AugJulSepJun
Beaches: AugJulSepJun
Hiking: AugJulSepJun
Sightseeing: AugJulSepJun
Bolu quick facts
What to pack
Cold months (Jan, Feb, Mar, Nov, Dec): warm layers and a coat.
Frequently asked questions
When is the best time to visit Bolu?
Aug, Jul, Sep, Jun.
What is the rainiest month?
Dec, about 69 mm.
What is the warmest month?
Jul, with average highs of 26.6°C.
Where to stay
See Bolu hotels · Book Bolu tours & activities
All destinations · Best time to visit Istanbul · Best time to visit Viransehir · Best time to visit Van · Best time to visit Usak
Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.