Current sea water temperature:
+59.2°F
| Minimum sea water temperature in August: | 71.4°F |
| Maximum sea water temperature in August: | 55.0°F |
| Average sea water temperature in August: | 62.0°F |
| more information | |
14 days
forecast
forecast
| Sundsvall |
monthly
weather
weather
| Sundsvall |
Sea water temperature for the last 10 days:
| August 26 | 59.2°F | August 21 | 59.5°F |
| August 25 | 59.5°F | August 20 | 59.5°F |
| August 24 | 60.6°F | August 19 | 59.9°F |
| August 23 | 60.8°F | August 18 | 58.8°F |
| August 22 | 59.9°F | August 17 | 59.2°F |
Monthly sea water temperature, °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:
2026
2025
2024
The average sea water temperature in August of 2026 was 60.7°F. The highest and lowest sea temperatures during the month were 63.0°F and 56.1°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 60.5°F. The highest and lowest sea temperatures during the month were 62.8°F and 57.7°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.
current
weather
weather
| Sundsvall |
weather in
August
August
| Sundsvall |
Best time for vacation in Sundsvall
Sundsvall on a weather map
Places in Sweden:
Name
°F
24 Hours Forecast
Sundsvall
Local time: 07:00
August 27, thursday
0900
61°F
NW
4 mph
4 mph
1200
68°F
NW
6 mph
6 mph
1500
66°F
NW
8 mph
8 mph
1800
63°F
NW
6 mph
6 mph
2100
54°F
NW
3 mph
3 mph
August 28, friday
0000
52°F
NW
2 mph
2 mph
0300
52°F
W
2 mph
2 mph
0600
52°F
SW
1 mph
1 mph
