Climate Overview
The climate in Bielsko-Biala is cool. The average annual temperature is 9°C and approximately 1146mm of precipitation falls per year. Bielsko-Biala receives a notable amount of rainfall throughout the year, including during its driest month. Bielsko-Biala 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 174cm accumulating over the season.
Temperature
Temperatures in Bielsko-Biala 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
Bielsko-Biala is a moderately rainy area, receiving approximately 1146mm of precipitation annually, which averages out to around 96mm per month. The wettest month is July, averaging 144mm of rainfall. August and September also tend to see above-average precipitation. The driest month is March, with just 59mm. That's 85mm 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 174cm accumulating over the season. January typically sees the most snow at around 48cm.
Wind
Bielsko-Biala is relatively calm, with an average annual wind speed of 10km/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 12km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 8km/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 12km/h in winter, 11km/h in spring, 8km/h in summer, 10km/h in autumn.
Seasons
7 days until Autumn
It is currently summer in Bielsko-Biala, which began on June 21, 2026. Bielsko-Biala 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 17°C. Precipitation is moderate at around 249mm for the season, averaging 83mm 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 12 to 24°C. Rainfall is heavy, totalling around 379mm across the season with a monthly average of 126mm. Winds are generally light, averaging 8km/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 281mm for the season, averaging 94mm per month. Expect around 22cm of snow accumulation during this period. Winds are generally light, averaging 10km/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 237mm for the season, averaging 79mm per month. Expect around 122cm of snow accumulation during this period. Winds are generally light, averaging 12km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Monthly Climate Data
The table below shows monthly climate averages for Bielsko-Biala 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.
