Ostrava Weather & Climate: Best Time to Visit

Visitors to Ostrava can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 25°C (77°F) in August, the warmest time of the year, to a chilly 2°C (36°F) during cooler months like January.

At night, you can expect temperatures ranging from 14°C (57°F) in August to around -4°C (25°F) during January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Generally, Ostrava experiences moderate precipitation patterns, averaging 913 mm (36 in) yearly. While rainfall varies throughout the year, each season offers its own charm. July brings wetter days averaging 118 mm (4.6 in) of precipitation, spread over 15 rainy days.

In contrast, the driest month January experiences a drier climate, with about 55 mm (2.2 in) of snow/rainfall spread across 13 snowy/rainy days. For more details, please visit our Ostrava Precipitation page.

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

The average number of days each month with precipitation

Seasonal changes in sunshine hours are quite dramatic in Ostrava. While July receives considerable daily sunshine with up to 7.2 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.3 hours of sunlight per day.

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 Ostrava.

The city experiences its highest humidity in December, reaching 84%. In April, the humidity drops to its lowest level at 71%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year

The average wind speed over the year ranges from 2 m/s (4 knots) to 4 m/s (8 knots). It is lower in August and higher in January, February, March, November and December. What does this mean?

The mean monthly wind speed over the year (meters per second)