3 to 26°C
temperature
3099 hours
sunshine per day
515 mm
rain
169 days
dry
155 days
rain
41 days
snow

Climate of Bolu

Bolu has a mediterranean climate. The summers are warm and dry, and the temperature is cold in the winter. The average annual temperature for Bolu is 30° degrees and there is about 203 inch of rain in a year. It is dry for 157 days a year with an average humidity of 72% and an UV-index of 3.

Climate averages for the whole year

  • Day: the average daily temperature during the day is between 3°C and 26°C
  • Night:the average nighttime temperature is between -3°C and 14°C
  • Rain: it rains 155 days and there is a total of approximately 515 mm rainfall
  • Snow: it snows an average of 41 days per year
  • Sun hours: throughout the year there are 3099 sun hours
Maximum temperature: between 3°C and 26°C
Warmest month: 26°C in July
Coldest month: 3°C in January
Night temperature: between -3°C and 14°C
Dry days: 169 days
Days with rain: 155 days
Days with snow: 41 days
Total rain sum: 515 mm
Hours of sunshine: 3099 hours

Do you want to go to Bolu?

These are the travel companies where you can book a trip to Bolu:

Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for Bolu.

Precipitation graph

This graph shows the average amount of rainfall per month for Bolu.

Climate table of Bolu

In this climate table you can see at a glance what the average weather per month is for Bolu. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Bolu might be like in a given month.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Day temp. (°F) 37 43 48 58 65 73 78 79 72 62 53 42
Night temp. (°F) 26 30 33 39 46 52 57 57 52 45 38 30
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Precipitation (inch) 24 20 20 17 20 19 9 11 10 19 12 23
Days with rain 12 12 14 15 18 16 11 11 11 14 10 11
Days with snow 13 9 7 2 - - - - - - 1 9
Dry days 6 7 10 13 13 14 20 20 19 17 19 11
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sun hours per day 5 7 7 9 11 12 12 11 9 8 6 5
Wind force (Bft) 2 2 2 2 2 2 2 2 2 2 2 2
UV-index 2 2 3 4 4 5 6 5 4 3 2 1

Best time to visit Bolu

The best time to visit Bolu in Turkey is from May through September. In this period you have a pleasant temperature and little precipitation. The highest average temperature in Bolu is 79°F in August and the lowest is 37°F in January.

Climate of Bolu by month

What is the average climate in a given month for Bolu? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.

Bolu weather experiences

Have you been to in Bolu?

Leave your Bolu weather experience for a chance to win $150!

Your email will not appear with the review and will not be passed on to third parties.
Seen a mistake?

Email us, we are grateful to you.