Climate Overview
The climate in Bonndorf is cool. The average annual temperature is 10°C and approximately 1306mm of precipitation falls per year. Bonndorf receives a notable amount of rainfall throughout the year, including during its driest month. Bonndorf 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, December, February, when temperatures can drop to -2°C. Snowfall occurs from January to December, with around 128cm accumulating over the season.
Temperature
Temperatures in Bonndorf vary considerably across the year, with a 26°C difference between the coldest and warmest months. July 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 -2°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.
Precipitation
Bonndorf is a fairly wet location, receiving approximately 1306mm of precipitation annually, which averages out to around 109mm per month. The wettest month is January, averaging 135mm of rainfall. May and June also tend to see above-average precipitation. The driest month is February, with just 88mm. That's 47mm less than January, 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 128cm accumulating over the season. January typically sees the most snow at around 43cm.
Wind
Bonndorf is relatively calm, with an average annual wind speed of 8km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 9km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3km/h gap between the calmest and windiest months.
Seasons
2 days until Autumn
It is currently summer in Bonndorf, which began on June 21, 2026. Bonndorf 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 24°C, while the coldest stretch bottoms out in January near -2°C. Autumn is next, beginning on September 23, 2026 (2 days from now).
Spring
Temperatures range from 2 to 18°C. Rainfall is heavy, totalling around 318mm across the season with a monthly average of 106mm. Winds are generally light, averaging 8km/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 358mm across the season with a monthly average of 119mm. Winds are generally light, averaging 7km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 2 to 20°C. Precipitation is moderate at around 288mm for the season, averaging 96mm per month. Expect around 17cm of snow accumulation during this period. Winds are generally light, averaging 7km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -2 to 6°C. Rainfall is heavy, totalling around 342mm across the season with a monthly average of 114mm. Expect around 90cm of snow accumulation during this period. Winds are generally light, averaging 8km/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 Bonndorf 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.
