Oslo Weather Year-Round — Best Time to Visit
Oslo, Norway has cool weather year-round. The best time to visit is July (score: 77/100). Annual average high: 9.7°C, total rainfall: 930mm.
When is the best time to visit Oslo?
77
July is the best month to visit Oslo with a travel score of 77/100 (Good).
Expect highs of 21.5°C, 12 rain days, and 12.5 hours of daily sunshine.
View July weather details →Travel Score by Month
31
Jan
38
Feb
52
Mar
65
Apr
70
May
76
Jun
77
Jul
74
Aug
66
Sep
49
Oct
38
Nov
31
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Oslo each month?
9.7°C
Avg High
3.3°C
Avg Low
930mm
Annual Rain
How much rain does Oslo get?
Oslo receives 930mm of rain annually. The wettest month is typically August with 105mm, while March is the driest.
What is the weather like each month in Oslo?
January
31
-2°C
Low: -7°C
10 rain days
Poor
February
38
0°C
Low: -6°C
9 rain days
Poor
March
52
4°C
Low: -3°C
8 rain days
Mixed
April
65
10°C
Low: 1°C
9 rain days
Good
May
70
16°C
Low: 6°C
12 rain days
Good
June
76
20°C
Low: 11°C
12 rain days
Good
July
Best time to visit77
22°C
Low: 14°C
12 rain days
Good
August
74
20°C
Low: 13°C
13 rain days
Good
September
66
16°C
Low: 10°C
10 rain days
Good
October
49
9°C
Low: 5°C
11 rain days
Mixed
November
38
4°C
Low: 0°C
11 rain days
Poor
December
31
0°C
Low: -5°C
11 rain days
Poor
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Data based on 1994–2024 averages · Last updated: 2024-12-31