World Resorts Sweden Sundsvall Weather

Sundsvall sea water temperature

Current sea water temperature:
+58.1°F
Minimum sea water temperature in June: 68.4°F
Maximum sea water temperature in June: 40.6°F
Average sea water temperature in June: 53.3°F

Sea water temperature for the last 10 days:

June 26 58.1°F June 21 55.8°F
June 25 57.6°F June 20 56.5°F
June 24 57.4°F June 19 55.6°F
June 23 57.6°F June 18 55.4°F
June 22 57.4°F June 17 55.2°F

When is the warmest sea in Sundsvall?

Based on the data about daily sea water temperature for the last three years the warmest sea in Sundsvall was noticed in August, July and September.

Monthly Sea Temperatures in Sundsvall, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 61.8°F. The highest and lowest sea temperatures during the month were 70.3°F and 55.2°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 63.6°F. The highest and lowest sea temperatures during the month were 70.7°F and 55.2°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 57.5°F. The highest and lowest sea temperatures during the month were 60.6°F and 53.1°F.

Best time for vacation in Sundsvall

Sunniest months:
July 12 days
June 11 days
May 10 days
Warmest months:
July 68.0 °F
August 65.4 °F
June 63.1 °F
Warmest sea temp:
August 62.1 °F
July 61.6 °F
September 56.0 °F
Coldest months:
January 23.7 °F
February 26.8 °F
December 28.2 °F
Rainiest months:
July 4 days
September 4 days
August 4 days
Windiest months:
March 7.2 mph
April 7.2 mph
June 7.1 mph

Sundsvall on a weather map

Sundsvall
+59°F
E 5 mph
Feels like: +57°F
Precip.: 25%
Places in Sweden:
Name
°F
+63°F
+63°F
+63°F
+61°F
+63°F
+64°F
+64°F
+63°F
+59°F
+63°F
+63°F
+61°F
+52°F
24 Hours Forecast
Sundsvall
Local time: 02:21
June 27, saturday
0300
59°F
E
5 mph
0600
59°F
SE
3 mph
0900
63°F
S
3 mph
1200
66°F
NW
3 mph
1500
64°F
N
6 mph
1800
68°F
N
4 mph
2100
59°F
NW
4 mph
June 28, sunday
0000
57°F
NW
3 mph
Units of measurement: °C / °F