Helsinki Weather Year-Round — Best Time to Visit
Helsinki, Finland has cool weather year-round. The best time to visit is July (score: 77/100). Annual average high: 8.5°C, total rainfall: 673mm.
When is the best time to visit Helsinki?
77
July is the best month to visit Helsinki with a travel score of 77/100 (Good).
Expect highs of 21°C, 12 rain days, and 13.8 hours of daily sunshine.
View July weather details →Travel Score by Month
25
Jan
31
Feb
45
Mar
61
Apr
70
May
74
Jun
77
Jul
75
Aug
66
Sep
47
Oct
35
Nov
27
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Helsinki each month?
8.5°C
Avg High
3.3°C
Avg Low
673mm
Annual Rain
How much rain does Helsinki get?
Helsinki receives 673mm of rain annually. The wettest month is typically August with 75mm, while March is the driest.
Monthly Weather Overview
January
25
-2°C
Low: -6°C
11 rain days
Poor
February
31
-3°C
Low: -7°C
9 rain days
Poor
March
45
1°C
Low: -5°C
8 rain days
Mixed
April
61
7°C
Low: 0°C
8 rain days
Good
May
70
13°C
Low: 6°C
9 rain days
Good
June
74
18°C
Low: 11°C
11 rain days
Good
July
Best time to visit77
21°C
Low: 15°C
12 rain days
Good
August
75
20°C
Low: 14°C
12 rain days
Good
September
66
15°C
Low: 10°C
10 rain days
Good
October
47
9°C
Low: 5°C
11 rain days
Mixed
November
35
4°C
Low: 1°C
11 rain days
Poor
December
27
0°C
Low: -3°C
12 rain days
Poor
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Data based on 1994–2024 averages · Last updated: 2024-12-31