Kostenets Weather & Climate: Best Time to Visit

Depending on the time of the year, temperatures range from comfortable to chilly in Kostenets. Typically, average maximum daytime temperatures range from a comfortable 26°C (79°F) in August to a chilly 4°C (39°F) in the coolest month, January.

Nights vary from 14°C (57°F) in August to around -5°C (23°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Kostenets has a relatively rain/snowy climate with high precipitation levels, averaging 1031 mm (41 in) of rain/snowfall annually. The climate in Kostenets shows significant variation throughout the year. Expect high rainfall in June, the wettest month, with an average of 132 mm (5.2 in) of precipitation over 11 rainy days.

In contrast, the driest month November offers drier and sunnier days, with around 58 mm (2.3 in) of rainfall over 8 rainy days. For more details, please visit our Kostenets Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

For those who appreciate different seasons, Kostenets serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 10.3 hours of sunshine daily, and embrace the darker days in December, offering only 2.3 hours of daily sunlight.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is high throughout the year in Kostenets.

The city experiences its highest humidity in December, reaching 79%. In August, the humidity drops to its lowest level at 62%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year