Climate Insights for Västerås

The climate in Västerås is cool. The average annual temperature is 7°C and approximately 640 mm of precipitation falls per year. Västerås receives a notable amount of rainfall throughout the year, including during its driest month. Västerås is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, June, August. The coldest months are January, February, December, when temperatures can drop to -4°C. Snowfall occurs from January to December, with around 95cm accumulating over the season.The climate in Västerås is cool. The average annual temperature is 45°F and approximately 25.2 in of precipitation falls per year. Västerås receives a notable amount of rainfall throughout the year, including during its driest month. Västerås is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, June, August. The coldest months are January, February, December, when temperatures can drop to 24°F. Snowfall occurs from January to December, with around 38in accumulating over the season.

Temperatures in Västerås 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 -2°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between April and May, with a 6°C shift in average temperatures.Temperatures in Västerås vary considerably across the year, with a 49°F difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 73°F with a mean of 64°F. The coldest month is January, when overnight lows fall to 24°F and the daily average is 29°F. On average, daily temperatures fluctuate by about 15°F between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 11°F shift in average temperatures.

Västerås is a relatively dry area, receiving approximately 640 mm of precipitation annually, which averages out to around 53 mm per month. The wettest month is August, averaging 88 mm of rainfall. July and October also tend to see above-average precipitation. The driest month is March, with just 34 mm. That's 55 mm less than August, 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 95cm accumulating over the season. January typically sees the most snow at around 26cm.Västerås is a relatively dry area, receiving approximately 25.2 in of precipitation annually, which averages out to around 2.1 in per month. The wettest month is August, averaging 3.5 in of rainfall. July and October also tend to see above-average precipitation. The driest month is March, with just 1.3 in. That's 2.2 in less than August, 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 38in accumulating over the season. January typically sees the most snow at around 10in.

Västerås is relatively calm, with an average annual wind speed of 12km/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 July, with average winds dropping to 10km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months.Västerås is mildly breezy, with an average annual wind speed of 7mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is January, averaging 8mph, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in July, with average winds dropping to 6mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2mph between the calmest and windiest months.

The best time to visit Västerås is during June, July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 75 mm per month. By contrast, January can be quite cold with temperatures dropping to -4°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 best time to visit Västerås is during June, July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 63°F with modest rainfall averaging 3 in per month. By contrast, January can be quite cold with temperatures dropping to 24°F. 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 Västerås 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.The table below shows monthly climate averages for Västerås based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in inches (in) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.