Trondheim Weather Year-Round — Best Time to Visit
Trondheim, Norway has cool weather year-round. The best time to visit is July (score: 68/100). Annual average high: 8.4°C, total rainfall: 1070mm.
When is the best time to visit Trondheim?
68
July is the best month to visit Trondheim with a travel score of 68/100 (Good).
Expect highs of 18.7°C, 15 rain days, and 11.4 hours of daily sunshine.
View July weather details →Travel Score by Month
26
Jan
33
Feb
41
Mar
55
Apr
61
May
65
Jun
68
Jul
68
Aug
57
Sep
42
Oct
34
Nov
24
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Trondheim each month?
8.4°C
Avg High
1.9°C
Avg Low
1070mm
Annual Rain
How much rain does Trondheim get?
Trondheim receives 1070mm of rain annually. The wettest month is typically September with 109mm, while April is the driest.
What is the weather like each month in Trondheim?
January
26
-1°C
Low: -6°C
15 rain days
Poor
February
33
0°C
Low: -6°C
14 rain days
Poor
March
41
3°C
Low: -3°C
15 rain days
Mixed
April
55
8°C
Low: 0°C
13 rain days
Mixed
May
61
13°C
Low: 4°C
14 rain days
Good
June
65
16°C
Low: 8°C
15 rain days
Good
July
Best time to visit68
19°C
Low: 11°C
15 rain days
Good
August
68
18°C
Low: 11°C
14 rain days
Good
September
57
14°C
Low: 8°C
15 rain days
Mixed
October
42
8°C
Low: 3°C
16 rain days
Mixed
November
34
3°C
Low: -2°C
13 rain days
Poor
December
24
0°C
Low: -5°C
15 rain days
Poor
Compare Trondheim
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Data based on 1994–2024 averages · Last updated: 2024-12-31