The climate in Bolu during October can be summarized as mild and reasonably dry.
October is in the fall / autumn in Bolu and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a cool 17°C (63°F), whilst at night 6°C (42°F) is normal.
| Daytime temperature | 17.2°C 62.9°F |
|---|---|
| Nightly temperature | 5.7°C 42.2°F |
| Average temperature | 11.4°C 52.5°F |
| Daily sunshine | 7.4 hrs |
| Avg rainfall | 49 mm 1.9 ins |
| Rainy days | 9 days |
| Sea temperature | 19.4°C 67°F |
| Humidity | 71% |
| Windspeed | 6.1kph 4 mph |
On average October is the 4th driest month of the year in Bolu with around 49mm 1.9 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.4 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Bolu in October 2025.
Best places to visit in October
| Hottest month: | August | 25.4°C 77.7°F |
|---|---|---|
| Driest month: | August | 30mm 1.2ins |
| Sunniest month: | July | 12.3hrs |
| Coldest month: | January | 3.5°C 38.3°F |
| Wettest month: | December | 85mm 3.3ins |