Measurements:
°C
°F
CURRENT WEATHER
12:04
Sundsvall
58°F
NW 7 mph
Feels like: 58°F
Precip: 0%
World Resorts Sweden Sundsvall Weather

7 Day Weather Forecast

05.30
sat
DAY
58°F
NW 7 mph
precip
0%
NIGHT
48°F
SE 2 mph
precip
0%
05.31
sun
DAY
64°F
NW 7 mph
precip
0%
NIGHT
42°F
NW 2 mph
precip
0%
06.01
mon
DAY
62°F
NW 8 mph
precip
0%
NIGHT
42°F
SW 2 mph
precip
0%
06.02
tue
DAY
56°F
W 11 mph
precip
0%
NIGHT
42°F
SW 1 mph
precip
0%
06.03
wed
DAY
62°F
W 8 mph
precip
0%
NIGHT
44°F
SW 2 mph
precip
0%
06.04
thu
DAY
64°F
NW 9 mph
precip
0%
NIGHT
54°F
SW 2 mph
precip
0%
06.05
fri
DAY
58°F
W 7 mph
precip
0%
NIGHT
46°F
W 3 mph
precip
0%

Sundsvall Sea Water Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Sundsvall was 7.1°F. The maximum and minimum values were 4.9°F and 10.1°F respectively.

Sundsvall on the Weather Map

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 20.7 °F
February 24.2 °F
December 25.8 °F
The most rainy months:
July 4 days
September 4 days
August 4 days
The most windy months:
March 7 mph
April 7 mph
June 7 mph
more details