Weatheo

Västerås weather by month

Warmest month

July

23°C average high

Coolest month

January

-6°C average low

Wettest month

July

45 mm of rain

Driest month

February

13 mm of rain

Average temperature and rainfall in Västerås by month

Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.

MonthAvg highAvg lowRecord low / highRainfallHumidityWind
January-1°C-6°C-23°C / 10°C
15 mm
81%14 km/h
February1°C-5°C-18°C / 10°C
13 mm
80%13 km/h
March5°C-2°C-18°C / 12°C
30 mm
75%14 km/h
April10°C0°C-9°C / 19°C
22 mm
68%13 km/h
May16°C6°C-5°C / 27°C
37 mm
63%13 km/h
June22°C11°C3°C / 31°C
36 mm
63%12 km/h
July23°C13°C7°C / 32°C
45 mm
70%12 km/h
August22°C12°C6°C / 30°C
45 mm
71%11 km/h
September18°C8°C0°C / 28°C
36 mm
76%12 km/h
October11°C5°C-1°C / 19°C
37 mm
82%14 km/h
November6°C1°C-7°C / 13°C
29 mm
86%13 km/h
December2°C-3°C-20°C / 11°C
30 mm
85%13 km/h

Frost and snow-likely months in Västerås

Nights in Västerås average 2°C or below in 6 months (January, February, March, April, November and December). January, February, March and December combine average lows at or below 0°C with 10 mm or more of monthly precipitation, so precipitation then is likely to fall as snow. The coldest month is January with an average low of -6°C and a record low of -23°C.

  • January: average low -6°C, record low -23°C, 15 mm of precipitation — snow-likely
  • February: average low -5°C, record low -18°C, 13 mm of precipitation — snow-likely
  • March: average low -2°C, record low -18°C, 30 mm of precipitation — snow-likely
  • April: average low 0°C, record low -9°C, 22 mm of precipitation
  • November: average low 1°C, record low -7°C, 29 mm of precipitation
  • December: average low -3°C, record low -20°C, 30 mm of precipitation — snow-likely

These records carry temperature and precipitation, not snowfall totals.

Best time to visit Västerås

The most comfortable time to visit Västerås is generally June to August, balancing mild daytime temperatures against the driest stretch of the year. The city has strongly marked seasons and rain concentrates around July, totalling about 374 mm a year.

Travellers who prefer heat should aim for July, when highs average 23°C. July is the month to avoid if rain would spoil your plans — it averages 45 mm, roughly 3× the rainfall of the driest month (February).

Västerås climate: your questions

Does it snow in Västerås?

Yes, in winter: January, February, March and December average lows at or below 0°C with 10 mm or more of monthly precipitation, so some of it falls as snow. The coldest month is January (average low -6°C, record low -23°C). Our records carry temperature and precipitation, not snowfall totals. What is falling now: Västerås weather today.

Will it snow in Västerås this winter?

Västerås's winter months average lows of -3°C in December, -6°C in January and -5°C in February, with about 58 mm of precipitation across the three; 3 of them sit at or below 0°C, so snow is likely on the colder days. The records hold no snowfall totals. The next 15 days: Västerås 10-day forecast.

Which months are best for visiting Västerås?

June to August are the most comfortable months in Västerås, with highs near 22°C. July is the warmest month, averaging 23°C by day; July is the wettest, with 45 mm; and January is the coolest, with lows near -6°C. What it is doing today: Västerås weather today.

Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Västerås forecast for what is happening now.

Nearest cities: Monthly climate

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