Köln Weather Year-Round — Best Time to Visit
Köln, Germany has cool weather year-round. The best time to visit is August (score: 80/100). Annual average high: 14.4°C, total rainfall: 902mm.
When is the best time to visit Köln?
80
August is the best month to visit Köln with a travel score of 80/100 (Excellent).
Expect highs of 23.3°C, 12 rain days, and 10.5 hours of daily sunshine.
View August weather details →Travel Score by Month
37
Jan
44
Feb
52
Mar
67
Apr
73
May
78
Jun
79
Jul
80
Aug
72
Sep
57
Oct
45
Nov
35
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Köln each month?
14.4°C
Avg High
7.3°C
Avg Low
902mm
Annual Rain
How much rain does Köln get?
Köln receives 902mm of rain annually. The wettest month is typically December with 91mm, while April is the driest.
What is the weather like each month in Köln?
January
37
5°C
Low: 1°C
14 rain days
Poor
February
44
7°C
Low: 1°C
13 rain days
Mixed
March
52
10°C
Low: 3°C
13 rain days
Mixed
April
67
14°C
Low: 5°C
10 rain days
Good
May
73
18°C
Low: 9°C
12 rain days
Good
June
78
22°C
Low: 13°C
11 rain days
Good
July
79
23°C
Low: 15°C
13 rain days
Good
August
Best time to visit80
23°C
Low: 15°C
12 rain days
Excellent
September
72
20°C
Low: 12°C
10 rain days
Good
October
57
15°C
Low: 9°C
12 rain days
Mixed
November
45
10°C
Low: 5°C
13 rain days
Mixed
December
35
6°C
Low: 2°C
15 rain days
Poor
Compare Köln
Popular comparisons:
Planning a Trip to Germany?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
🏛️ 121 countries·📅 Updated yearly·✈️ Free forever
What cities are near Köln?
Data based on 1994–2024 averages · Last updated: 2024-12-31