Olomouc Weather & Climate: Best Time to Visit

Monthly Temperature in Olomouc

The climate in Olomouc is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a comfortable 25°C (77°F) in August to a chilly 2°C (36°F) in the coolest month, January.

Nights vary from 14°C (57°F) in August to around -4°C (25°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Olomouc

Generally, Olomouc receives mid-range precipitation levels, with 738 mm (29 in) annually. The climate in Olomouc shows significant variation throughout the year. Expect moderate rainfall in July, the wettest month, with an average of 93 mm (3.7 in) of precipitation over 14 rainy days.

In contrast, the driest month February offers drier and sunnier days, with around 43 mm (1.7 in) of snow/rainfall over 11 snowy/rainy days. For more details, please visit our Olomouc Precipitation page.

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

The average number of days each month with precipitation

Sunshine Hours in Olomouc

For those who appreciate different seasons, Olomouc serves as an ideal destination. Expect longer, more sun-filled days in June with an average of 8.2 hours of sunshine daily, and embrace the darker days in December, offering only 1.5 hours of daily sunlight.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Humidity in Olomouc by Month

The relative humidity is high throughout the year in Olomouc.

The city experiences its highest humidity in December, reaching 85%. In April, the humidity drops to its lowest level at 65%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year