Measurements:
°C
°F
CURRENT WEATHER
13:21
Sundsvall
48°F
NE 7 mph
Feels like: 44°F
Precip: 3%
World Resorts Sweden Sundsvall Weather

7 Day Weather Forecast

10.19
mon
DAY
48°F
NE 7 mph
precip
3%
NIGHT
34°F
N 2 mph
precip
20%
10.20
tue
DAY
44°F
N 3 mph
precip
6%
NIGHT
34°F
NW 2 mph
precip
21%
10.21
wed
DAY
44°F
W 9 mph
precip
34%
NIGHT
46°F
NW 6 mph
precip
44%
10.22
thu
DAY
46°F
NW 11 mph
precip
35%
NIGHT
48°F
NW 9 mph
precip
80%
10.23
fri
DAY
48°F
NW 6 mph
precip
23%
NIGHT
42°F
NW 3 mph
precip
29%
10.24
sat
DAY
46°F
NW 5 mph
precip
31%
NIGHT
44°F
W 6 mph
precip
41%
10.25
sun
DAY
42°F
N 9 mph
precip
39%
NIGHT
44°F
NW 20 mph
precip
43%

Sundsvall Sea Water Temperature in October, °F

Select Year: 2026 2025 2024

The average sea surface temperature in October 2026 for Sundsvall was 9.6°F. The maximum and minimum values were 7.7°F and 11.9°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 67.0 °F
June 64.6 °F
Warmest sea temperature:
August 63.3 °F
July 62.8 °F
September 56.8 °F
The most cold months:
January 20.7 °F
February 24.2 °F
December 25.8 °F
The most rainy months:
August 4 days
July 3 days
October 3 days
The most windy months:
March 7 mph
April 7 mph
June 7 mph
more details