Measurements:
°C
°F
CURRENT WEATHER
16:50
Sundsvall
54°F
NE 4 mph
Feels like: 52°F
Precip: 23%
World Resorts Sweden Sundsvall Weather

7 Day Weather Forecast

08.19
wed
DAY
48°F
N 5 mph
precip
38%
NIGHT
48°F
NE 2 mph
precip
31%
08.20
thu
DAY
62°F
SE 6 mph
precip
5%
NIGHT
54°F
E 1 mph
precip
19%
08.21
fri
DAY
68°F
N 5 mph
precip
2%
NIGHT
56°F
SE 2 mph
precip
23%
08.22
sat
DAY
68°F
SE 4 mph
precip
5%
NIGHT
58°F
SE 4 mph
precip
19%
08.23
sun
DAY
62°F
SW 2 mph
precip
12%
NIGHT
50°F
NW 1 mph
precip
33%
08.24
mon
DAY
66°F
E 4 mph
precip
2%
NIGHT
52°F
NW 1 mph
precip
23%
08.25
tue
DAY
70°F
NE 3 mph
precip
1%
NIGHT
52°F
SE 2 mph
precip
12%

Sundsvall Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Sundsvall was 16.1°F. The maximum and minimum values were 13.4°F and 17.2°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 69.9 °F
August 67.1 °F
June 64.6 °F
Warmest sea temperature:
August 63.4 °F
July 62.8 °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:
September 4 days
August 4 days
October 3 days
The most windy months:
March 7 mph
April 7 mph
June 7 mph
more details