17.05
sun
sun
Day
50°F
SE 4 mph
Precip.
89%
89%
Night
45°F
SW 2 mph
Precip.
0%
0%
18.05
mon
mon
Day
54°F
NW 7 mph
Precip.
0%
0%
Night
50°F
W 10 mph
Precip.
0%
0%
19.05
tue
tue
Day
57°F
NW 12 mph
Precip.
0%
0%
Night
46°F
E 4 mph
Precip.
0%
0%
20.05
wed
wed
Day
57°F
NW 4 mph
Precip.
0%
0%
Night
50°F
NW 2 mph
Precip.
0%
0%
21.05
thu
thu
Day
48°F
E 3 mph
Precip.
100%
100%
Night
46°F
NE 3 mph
Precip.
79%
79%
22.05
fri
fri
Day
50°F
N 1 mph
Precip.
100%
100%
Night
46°F
N 1 mph
Precip.
100%
100%
23.05
sat
sat
Day
48°F
E 3 mph
Precip.
0%
0%
Night
43°F
E 4 mph
Precip.
0%
0%
24.05
sun
sun
Day
50°F
E 2 mph
Precip.
0%
0%
Night
50°F
E 4 mph
Precip.
100%
100%
25.05
mon
mon
Day
50°F
NE 4 mph
Precip.
100%
100%
Night
48°F
E 3 mph
Precip.
100%
100%
26.05
tue
tue
Day
54°F
E 11 mph
Precip.
24%
24%
Night
46°F
E 16 mph
Precip.
68%
68%
27.05
wed
wed
Day
48°F
SE 17 mph
Precip.
100%
100%
Night
43°F
E 4 mph
Precip.
49%
49%
28.05
thu
thu
Day
48°F
SE 1 mph
Precip.
0%
0%
Night
46°F
SW 1 mph
Precip.
0%
0%
29.05
fri
fri
Day
55°F
E 2 mph
Precip.
0%
0%
Night
50°F
NE 1 mph
Precip.
0%
0%
30.05
sat
sat
Day
55°F
E 2 mph
Precip.
28%
28%
Night
50°F
E 11 mph
Precip.
100%
100%
sea water
temperature
temperature
| Trondheim |
monthly
weather
weather
| Trondheim |
current
weather
weather
| Trondheim |
7 days
forecast
forecast
| Trondheim |
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 46.6°F. The highest and lowest sea temperatures during the month were 48.4°F and 45.5°F.
Air temperature in Trondheim, °F
Precipitation total in Trondheim, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Trondheim
Trondheim on a weather map
Places in Norway:
Name
°F
24 Hours Forecast
Trondheim
Local time: 02:09
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
