Kostroma Weather & Climate: Best Time to Visit

In Kostroma, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a comfortable 25°C (77°F) in July to a very cold -5°C (23°F) in the coolest month, January.

Nights vary from 14°C (57°F) in July to around -12°C (10°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

On average, Kostroma receives a reasonable amount of rain/snowfall, with an annual precipitation of 735 mm (29 in). Kostroma offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month June (82 mm (3.2 in)) and the driest month March (42 mm (1.7 in)) is not too significant. For more details, please visit our Kostroma 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, Kostroma serves as an ideal destination. Expect longer, more sun-filled days in June with an average of 9.8 hours of sunshine daily, and embrace the darker days in December, offering only 0.6 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 Kostroma.

The city experiences its highest humidity in November, reaching 88%. In May, the humidity drops to its lowest level at 64%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year