Climate Insights for Český Krumlov

The climate in Český Krumlov is cool. The average annual temperature is 9°C and approximately 953mm of precipitation falls per year. Český Krumlov receives a notable amount of rainfall throughout the year, including during its driest month. Český Krumlov is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, February, December, when temperatures can drop to -4°C. Snowfall occurs from January to December, with around 127cm accumulating over the season.

Temperatures in Český Krumlov vary considerably across the year, with a 27°C difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 23°C with a mean of 18°C. The coldest month is January, when overnight lows fall to -4°C and the daily average is -1°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between October and November, with a 6°C shift in average temperatures.

Český Krumlov is a moderately rainy area, receiving approximately 953mm of precipitation annually, which averages out to around 79mm per month. The wettest month is June, averaging 126mm of rainfall. July and August also tend to see above-average precipitation. The driest month is March, with just 49mm. That's 77mm less than June, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Snowfall is a regular feature from January to December, with around 127cm accumulating over the season. January typically sees the most snow at around 40cm.

Český Krumlov is relatively calm, with an average annual wind speed of 9km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 11km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 7km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 4km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 11km/h in winter, 10km/h in spring, 8km/h in summer, 9km/h in autumn.

It is currently summer in Český Krumlov, which began on June 21, 2026. Český Krumlov is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 23°C, while the coldest stretch bottoms out in January near -4°C. Autumn is next, beginning on September 23, 2026 (8 days from now).

The table below shows monthly climate averages for Český Krumlov based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.