Climate Insights for Schwelm

The climate in Schwelm is temperate. The average annual temperature is 11°C and approximately 1168mm of precipitation falls per year. Schwelm receives a notable amount of rainfall throughout the year, including during its driest month. Schwelm 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 1°C. Snowfall occurs from January to December, with around 51cm accumulating over the season.

Temperatures in Schwelm vary considerably across the year, with a 22°C difference between the coldest and warmest months. August is the warmest month, though highs remain moderate at 23°C with a mean of 19°C. January is the coolest month, with minimum temperatures around 1°C and an average of 3°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows. The sharpest temperature change occurs between October and November, with a 5°C shift in average temperatures.

Schwelm is a moderately rainy area, receiving approximately 1168mm of precipitation annually, which averages out to around 97mm per month. The wettest month is January, averaging 126mm of rainfall. December and October also tend to see above-average precipitation. The driest month is April, with just 70mm. That's 56mm 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 51cm accumulating over the season. January typically sees the most snow at around 22cm.

Schwelm is mildly breezy, with an average annual wind speed of 13km/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 16km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 11km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 5km/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 16km/h in winter, 13km/h in spring, 11km/h in summer, 13km/h in autumn.

It is currently summer in Schwelm, which began on June 21, 2026. Schwelm 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 23°C, while the coldest stretch bottoms out in January near 1°C. Autumn is next, beginning on September 23, 2026 (7 days from now).

The best time to visit Schwelm is during June, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 90mm per month. By contrast, January can be quite cold with temperatures dropping to 1°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.

The table below shows monthly climate averages for Schwelm 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.