Bolu Climate by Month
Bolu, Turkey
Warm summers and cold winters, with rain spread through the year.
Warm summers and cold winters, with rain spread through the year: that's Bolu's climate in short. Afternoon highs range from 42°F (5°C) in January to 83°F (28°C) in August, and January nights average 27°F (-3°C). It gets 21 in (542 mm) of rain a year, spread across the months.
- Warmest month
- 83°F(28°C)
- Average high, August
- Coldest nights
- 27°F(-3°C)
- Average low, January
- Rain per year
- 21 in(542 mm)
- No clear rainy season
- Humidity
- 65%
- Sunniest: July
Best and worst months in Bolu
Best for weatherThe most comfortable weather comes in June and September, with highs around 77°F (25°C) and about 1.7 in (43 mm) of rain a month.
Least pleasantJanuary is the least pleasant month: it's the coldest, with highs of only 42°F (5°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in September.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Bolu weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 42°F(5°C) | 27°F(-3°C) | 2.5 in(64 mm) | 75% | 1.7 |
| FebFebruary | 47°F(8°C) | 29°F(-1°C) | 1.9 in(49 mm) | 64% | 2.4 |
| MarMarch | 53°F(12°C) | 33°F(1°C) | 2.4 in(60 mm) | 63% | 3.5 |
| AprApril | 62°F(17°C) | 39°F(4°C) | 1.8 in(45 mm) | 56% | 4.9 |
| MayMay | 71°F(22°C) | 46°F(8°C) | 2.2 in(57 mm) | 66% | 5.9 |
| JunJuneBest | 77°F(25°C) | 52°F(11°C) | 2.1 in(53 mm) | 63% | 6.8 |
| JulJuly | 82°F(28°C) | 56°F(13°C) | 0.9 in(23 mm) | 58% | 7.4 |
| AugAugust | 83°F(28°C) | 56°F(13°C) | 0.8 in(20 mm) | 57% | 6.8 |
| SepSeptemberBest | 76°F(25°C) | 49°F(10°C) | 1.3 in(33 mm) | 62% | 4.9 |
| OctOctober | 66°F(19°C) | 43°F(6°C) | 1.5 in(39 mm) | 68% | 3.5 |
| NovNovember | 56°F(13°C) | 36°F(2°C) | 1.5 in(38 mm) | 67% | 2.3 |
| DecDecember | 45°F(7°C) | 31°F(0°C) | 2.4 in(61 mm) | 77% | 1.6 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
Places with a similar climate
All 20 places like Bolu →- 🇹🇷MerzifonAmasya, Turkey · Pop. 51k99%matchSame summer highsSame winter lowsBolu vs Merzifon →
- 🇹🇷ZileTokat Province, Turkey · Pop. 56k98%matchSame winter lowsSame humidityBolu vs Zile →
- 🇹🇷BozüyükBilecik, Turkey · Pop. 55k97%matchSame winter lowsSimilar rainfallBolu vs Bozüyük →
- 🇹🇷SafranboluKarabük Province, Turkey · Pop. 35k96%matchSame sunshineSimilar rainfallBolu vs Safranbolu →
- 🇹🇷ÇorumTurkey · Pop. 270k96%matchSame humiditySimilar rainfallBolu vs Çorum →