The highest day temperature in October 2023 was 56°F. The lowest night temperature was 24°F. The average values for day and night temperatures during October were 39.8°F и 34.3°F respectivly.

The average sea surface temperature in October 2023 for Sundsvall was 47.6°F. The maximum and minimum values were 42.2°F and 53.8°F respectively.

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

Precipitation total in October for Sundsvall is 2.3 in. It makes october the most rainy month of the year.

The average wind speed in October is 7.1 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 October is 4.6 hours.