Current sea water temperature:
+48.0°F
| Minimum sea water temperature in May: | 59.5°F |
| Maximum sea water temperature in May: | 42.3°F |
| Average sea water temperature in May: | 48.1°F |
| more information | |
14 days
forecast
forecast
| Trondheim |
monthly
weather
weather
| Trondheim |
Sea water temperature for the last 10 days:
| May 16 | 48.0°F | May 11 | 46.6°F |
| May 15 | 47.7°F | May 10 | 46.0°F |
| May 14 | 48.4°F | May 9 | 45.7°F |
| May 13 | 47.7°F | May 8 | 45.5°F |
| May 12 | 46.2°F | May 7 | 45.5°F |
Monthly sea water temperature, °F
When is the warmest sea in Trondheim?
Based on the data about daily sea water temperature for the last three years the warmest sea in Trondheim was noticed in July, August and September.
Monthly Sea Temperatures in Trondheim, °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 71.6°F and 55.6°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 60.0°F. The highest and lowest sea temperatures during the month were 67.6°F and 55.4°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 56.0°F. The highest and lowest sea temperatures during the month were 59.4°F and 52.3°F.
current
weather
weather
| Trondheim |
weather in
May
May
| Trondheim |
Best time for vacation in Trondheim
Trondheim on a weather map
Places in Norway:
Name
°F
24 Hours Forecast
Trondheim
Local time: 02:10
May 17, sunday
0300
45°F
NW
7 mph
7 mph
0600
43°F
NW
5 mph
5 mph
0900
46°F
N
4 mph
4 mph
1200
50°F
SE
4 mph
4 mph
1500
52°F
SE
7 mph
7 mph
1800
52°F
SE
8 mph
8 mph
2100
48°F
E
3 mph
3 mph
May 18, monday
0000
45°F
SW
2 mph
2 mph
