Olsztyn Weather Year-Round — Best Time to Visit
Olsztyn, Poland has cool weather year-round. The best time to visit is August (score: 79/100). Annual average high: 11.6°C, total rainfall: 638mm.
When is the best time to visit Olsztyn?
79
August is the best month to visit Olsztyn with a travel score of 79/100 (Good).
Expect highs of 22.5°C, 11 rain days, and 10.9 hours of daily sunshine.
View August weather details →Travel Score by Month
31
Jan
38
Feb
49
Mar
65
Apr
72
May
76
Jun
76
Jul
79
Aug
71
Sep
54
Oct
42
Nov
34
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Olsztyn each month?
11.6°C
Avg High
4.8°C
Avg Low
638mm
Annual Rain
How much rain does Olsztyn get?
Olsztyn receives 638mm of rain annually. The wettest month is typically July with 87mm, while February is the driest.
What is the weather like each month in Olsztyn?
January
31
0°C
Low: -4°C
11 rain days
Poor
February
38
2°C
Low: -4°C
9 rain days
Poor
March
49
6°C
Low: -2°C
9 rain days
Mixed
April
65
12°C
Low: 3°C
9 rain days
Good
May
72
18°C
Low: 8°C
11 rain days
Good
June
76
21°C
Low: 12°C
12 rain days
Good
July
76
23°C
Low: 14°C
13 rain days
Good
August
Best time to visit79
23°C
Low: 14°C
11 rain days
Good
September
71
18°C
Low: 10°C
9 rain days
Good
October
54
12°C
Low: 6°C
10 rain days
Mixed
November
42
6°C
Low: 2°C
9 rain days
Mixed
December
34
1°C
Low: -2°C
10 rain days
Poor
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Data based on 1994–2024 averages · Last updated: 2024-12-31