The highest day temperature in January 2025 was 40°F. The lowest night temperature was 13°F. The average values for day and night temperatures during January were 30.9°F и 28.6°F respectivly.

The average sea surface temperature in January 2025 for Vasteras was 32.3°F. The maximum and minimum values were 29.8°F and 35.6°F respectively.

Most of the days in January are gloomy but you can also expect sunny days.

Precipitation total in January for Vasteras is 1.1 in.

The average wind speed in January is 9.2 mph. This value is relatively stable throughout the year.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Vasteras in January is 2.5 hours.