Measurements:
°C
°F
Sundsvall
32°F
SE 2 mph
Feels like: 32°F
Precip: 0%
World Resorts Sweden Sundsvall Weather May Weather in Sundsvall

Sundsvall Weather: May

Average Day Temperature: 55.0°F
Average Night Temperature: 41.9°F
Sea Water Temperature: 40.5°F
Number of Sunny Days: 10 days
Sunshine Hours: 16.5 - 19.2 hours
Number of Rainy Days: 2 days
Precipitation Totals: 1.2 in

Air Temperature in May, °F

Select Year: 2025 2024 2023

The highest day temperature in May 2025 was 73°F. The lowest night temperature was 33°F. The average values for day and night temperatures during May were 51.6°F и 41.4°F respectivly.

Sundsvall Water Sea Temperature in May, °F

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Sundsvall was 42.8°F. The maximum and minimum values were 38.8°F and 48.2°F respectively.

Sunny, Cloudy and Gloomy days

You can expect various weather conditions during May. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in May, in

Precipitation total in May for Sundsvall is 1.2 in. It makes may one of the least rainy months of the year.

Wind Speed in May, mph

The average wind speed in May is 7.0 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

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 May is 9.6 hours.

Best Time to Visit Sundsvall
The most sunny months:
July 12 days
June 11 days
May 10 days
The most warm months:
July 70.0 °F
August 67.1 °F
June 64.6 °F
Warmest sea temperature:
August 63.4 °F
July 62.9 °F
September 56.7 °F
The most cold months:
January 21.1 °F
February 24.7 °F
December 25.3 °F
The most rainy months:
July 4 days
September 4 days
August 4 days
The most windy months:
March 7 mph
June 7 mph
April 7 mph

Sundsvall on the Weather Map

Sweden Resorts:
NAME
Gothenburg +40
Helsinborg +42
Jonkoping +36
Karlstad +40
Kristianstad +40
Lund +40
Malmo +42
Orebro +36
Ostersund +30
Stockholm +40
Sundsvall +32
Uppsala +38
Vasteras +38
24 Hours Weather Forecast
Sundsvall
Local time: 09:32
05 dec, friday
1200 32°F
S
1 mph
1500 32°F
S
1 mph
1800 32°F
SW
2 mph
2100 32°F
S
2 mph
06 dec, saturday
0000 32°F
SW
2 mph
0300 34°F
SW
4 mph
0600 34°F
SW
6 mph
0900 36°F
W
9 mph