The highest day temperature in March 2025 was 48°F. The lowest night temperature was 10°F. The average values for day and night temperatures during March were 37.3°F и 28.4°F respectivly.

The average sea surface temperature in March 2025 for Sundsvall was 31.5°F. The maximum and minimum values were 29.2°F and 33.8°F respectively.

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

Precipitation total in March for Sundsvall is 1.1 in. It makes march one of the least rainy months of the year.

The average wind speed in March is 7.2 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 Sundsvall in March is 5.4 hours.