Climate averages 1991–2020
Västerås weather
in January.
A freezing month with light precipitation: the coolest and the joint 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a freezing month in Västerås: daytime highs average -0.3°C and nights cool to about -4.7°C. By daytime temperature it is the coolest month of the year.
Expect about 37 mm of precipitation on roughly 8 days, which makes January a month with light precipitation (the joint 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 6 h 53 min on an average January day.
The nearest other city in this atlas is Uppsala (67 km away). In January its highs average -0.4°C, about as warm as Västerås, with 34 mm of precipitation.
Among the 21 cities listed in Sweden, Västerås ranks joint 16th of 21 for the warmest January highs and 8th of 21 for the driest January (precipitation, lowest first). The mean January high of those 21 cities is 0.3°C; Västerås is 0.7°C cooler than that mean.
From January to February, average highs rise by 0.8°C to 0.4°C, and monthly precipitation falls from 37 mm to 29 mm.
The annual picture
January in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Västerås climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | -0.3°C-4.7°C | -4.7°C | 37 | 8.2 | 6.97 h |
| February | 0.4°C-5.1°C | -5.1°C | 29 | 7.4 | 9.19 h |
| March | 4.3°C-2.7°C | -2.7°C | 30 | 7.5 | 11.812 h |
| April | 10.3°C1.4°C | 1.4°C | 37 | 7.7 | 14.514 h |
| May | 15.9°C6.4°C | 6.4°C | 49 | 9.5 | 17.017 h |
| June | 19.6°C10.9°C | 10.9°C | 68 | 11.5 | 18.619 h |
| July | 22.1°C13.8°C | 13.8°C | 75 | 12.1 | 17.918 h |
| August | 20.8°C13.1°C | 13.1°C | 73 | 12.2 | 15.616 h |
| September | 15.8°C9.1°C | 9.1°C | 52 | 8.8 | 12.913 h |
| October | 9.1°C4.2°C | 4.2°C | 52 | 9.9 | 10.210 h |
| November | 4.0°C0.4°C | 0.4°C | 47 | 9.3 | 7.78 h |
| December | 0.9°C-3.1°C | -3.1°C | 45 | 9.9 | 6.26 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
January in nearby cities
- Uppsala in JanuarySweden · 67 kmHigh -0.4°C · Low -4.7°C · 34 mm precipitation
- Södertälje in JanuarySweden · 77 kmHigh 0.1°C · Low -4.0°C · 36 mm precipitation
- Sollentuna in JanuarySweden · 82 kmHigh 0.0°C · Low -3.8°C · 35 mm precipitation
- Örebro in JanuarySweden · 85 kmHigh -0.3°C · Low -4.5°C · 43 mm precipitation
- Huddinge in JanuarySweden · 91 kmHigh 0.4°C · Low -3.2°C · 36 mm precipitation
- Stockholm in JanuarySweden · 91 kmHigh 0.4°C · Low -3.2°C · 36 mm precipitation
- Haninge in JanuarySweden · 103 kmHigh 0.3°C · Low -3.2°C · 39 mm precipitation
- Norrköping in JanuarySweden · 116 kmHigh 0.6°C · Low -3.3°C · 35 mm precipitation
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Västerås) is explained once on the Västerås year overview and on the Sources, method and limits page.