Porvoo Weather Year-Round — Best Time to Visit
Porvoo, Finland has cool weather year-round. The best time to visit is July (score: 79/100). Annual average high: 8.8°C, total rainfall: 647mm.
When is the best time to visit Porvoo?
79
July is the best month to visit Porvoo with a travel score of 79/100 (Good).
Expect highs of 21.7°C, 11 rain days, and 13.6 hours of daily sunshine.
View July weather details →Travel Score by Month
26
Jan
32
Feb
46
Mar
62
Apr
72
May
76
Jun
79
Jul
76
Aug
67
Sep
48
Oct
35
Nov
27
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Porvoo each month?
8.8°C
Avg High
2.9°C
Avg Low
647mm
Annual Rain
How much rain does Porvoo get?
Porvoo receives 647mm of rain annually. The wettest month is typically July with 71mm, while April is the driest.
What is the weather like each month in Porvoo?
January
26
-3°C
Low: -7°C
11 rain days
Poor
February
32
-3°C
Low: -8°C
9 rain days
Poor
March
46
1°C
Low: -5°C
8 rain days
Mixed
April
62
8°C
Low: 0°C
8 rain days
Good
May
72
14°C
Low: 6°C
9 rain days
Good
June
76
19°C
Low: 11°C
11 rain days
Good
July
Best time to visit79
22°C
Low: 14°C
11 rain days
Good
August
76
20°C
Low: 14°C
12 rain days
Good
September
67
15°C
Low: 9°C
9 rain days
Good
October
48
8°C
Low: 4°C
11 rain days
Mixed
November
35
3°C
Low: 0°C
11 rain days
Poor
December
27
0°C
Low: -4°C
12 rain days
Poor
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Data based on 1994–2024 averages · Last updated: 2024-12-31