Climate Overview
The climate in Český Těšín is cool. The average annual temperature is 10°C and approximately 1079mm of precipitation falls per year. Český Těšín receives a notable amount of rainfall throughout the year, including during its driest month. Český Těšín is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are January, February, December, when temperatures can drop to -3°C. Snowfall occurs from January to December, with around 146cm accumulating over the season.
Temperature
Temperatures in Český Těšín vary considerably across the year, with a 27°C difference between the coldest and warmest months. August is the warmest month, though highs remain moderate at 24°C with a mean of 19°C. The coldest month is January, when overnight lows fall to -3°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 5°C shift in average temperatures.
Precipitation
Český Těšín is a moderately rainy area, receiving approximately 1079mm of precipitation annually, which averages out to around 90mm per month. The wettest month is July, averaging 129mm of rainfall. August and September also tend to see above-average precipitation. The driest month is March, with just 56mm. That's 73mm less than July, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Snowfall is a regular feature from January to December, with around 146cm accumulating over the season. January typically sees the most snow at around 43cm.
Wind
Český Těšín is relatively calm, with an average annual wind speed of 11km/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 13km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 9km/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 13km/h in winter, 11km/h in spring, 9km/h in summer, 11km/h in autumn.
Seasons
7 days until Autumn
It is currently summer in Český Těšín, which began on June 21, 2026. Český Těšín 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 August at around 24°C, while the coldest stretch bottoms out in January near -3°C. Autumn is next, beginning on September 23, 2026 (7 days from now).
Spring
Temperatures range from 0 to 18°C. Precipitation is moderate at around 232mm for the season, averaging 77mm per month. Winds are generally light, averaging 11km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 13 to 24°C. Rainfall is heavy, totalling around 353mm across the season with a monthly average of 118mm. Winds are generally light, averaging 9km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 2 to 19°C. Precipitation is moderate at around 271mm for the season, averaging 90mm per month. Expect around 19cm of snow accumulation during this period. Winds are generally light, averaging 11km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -3 to 5°C. Precipitation is moderate at around 223mm for the season, averaging 74mm per month. Expect around 104cm of snow accumulation during this period. Winds are generally light, averaging 13km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Best Time to Visit
The best time to visit Český Těšín is during June, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 98mm per month. By contrast, August can be uncomfortably hot with highs reaching 24°C, while January is the coldest period with lows dropping to -3°C. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.
Monthly Climate Data
The table below shows monthly climate averages for Český Těšín 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.
