Measurements:
°C
°F
CURRENT WEATHER
20:03
Trondheim
56°F
S 3 mph
Feels like: 56°F
Precip: 0%
World Resorts Norway Trondheim Weather

7 Day Weather Forecast

05.29
fri
DAY
56°F
SW 4 mph
precip
0%
NIGHT
52°F
E 6 mph
precip
0%
05.30
sat
DAY
50°F
E 3 mph
precip
100%
NIGHT
48°F
E 4 mph
precip
100%
05.31
sun
DAY
50°F
W 2 mph
precip
0%
NIGHT
48°F
SW 2 mph
precip
0%
06.01
mon
DAY
58°F
E 7 mph
precip
100%
NIGHT
48°F
E 2 mph
precip
100%
06.02
tue
DAY
60°F
W 7 mph
precip
84%
NIGHT
60°F
NW 8 mph
precip
0%
06.03
wed
DAY
64°F
N 14 mph
precip
0%
NIGHT
60°F
N 7 mph
precip
0%
06.04
thu
DAY
64°F
NW 12 mph
precip
0%
NIGHT
56°F
N 2 mph
precip
0%

Trondheim Sea Water Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Trondheim was 8.9°F. The maximum and minimum values were 7.5°F and 10.3°F respectively.

Trondheim on the Weather Map

Best Time to Visit Trondheim
The most sunny months:
July 8 days
May 8 days
August 8 days
The most warm months:
July 65.4 °F
August 63.4 °F
June 60.0 °F
Warmest sea temperature:
July 60.5 °F
August 60.4 °F
September 55.5 °F
The most cold months:
January 24.1 °F
February 27.2 °F
December 27.4 °F
The most rainy months:
September 6 days
July 5 days
August 5 days
The most windy months:
January 8 mph
December 7 mph
March 7 mph
more details