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When is the best time to visit Cologne?
In general the best time to visit Cologne is probably July, when the weather is usually great. The hottest months are June, July, August, while the coldest months are January, February, December.
Depending on the activities you want to experience, you may choose different months to visit:
- In general, it’s pleasant to walk and do outdoor activities during May - September.
- If you want to avoid wet weather, then your choice is January, November, December with the lowest chance of rain.
Average weather in Cologne in different months
This is the average weather in Cologne for each month based on historic data:
May, June, July, August usually has good weather. Average maximum temperature reaches +24°C during July.
In January, February, March, April, September, October, November, December the weather is average. Expect around 115 rainy days, and the precipitation amounts to approximately 63 mm in October.
Climate in Cologne
Here is the detailed breakdown of the climate in Cologne for each month:
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum Temperature | |||||||||||
| +16°C | +21°C | +26°C | +28°C | +34°C | +36°C | +41°C | +38°C | +33°C | +28°C | +21°C | +18°C |
| Average Maximum Temperature | |||||||||||
| +5°C | +6°C | +10°C | +14°C | +19°C | +22°C | +24°C | +23°C | +20°C | +15°C | +9°C | +6°C |
| Minimum Temperature | |||||||||||
| -20°C | -16°C | -11°C | -6°C | 0°C | +3°C | +5°C | +6°C | 0°C | -5°C | -9°C | -16°C |
| Avg. water temperature | |||||||||||
| - | - | - | - | - | - | - | - | - | - | - | - |
| Humidity, % | |||||||||||
| 82 | 78 | 73 | 68 | 69 | 70 | 70 | 72 | 77 | 81 | 83 | 84 |
| Rain, mm | |||||||||||
| 53 | 44 | 59 | 51 | 67 | 72 | 75 | 74 | 58 | 63 | 58 | 61 |
| Snow, mm | |||||||||||
| 10 | 9 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 10 |
| Average wind speed, m/s | |||||||||||
| 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 |
| Sunny Days | |||||||||||
| 3 | 5 | 5 | 6 | 7 | 5 | 6 | 6 | 6 | 5 | 3 | 2 |
| Cloud Days | |||||||||||
| 10 | 8 | 7 | 7 | 6 | 6 | 5 | 6 | 8 | 9 | 10 | 9 |
| Rainy Days | |||||||||||
| 13 | 10 | 15 | 16 | 15 | 15 | 16 | 16 | 15 | 16 | 16 | 14 |
| Snowy Days | |||||||||||
| 5 | 4 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5 |
Average Temperature
Here are the average maximum and minimum temperatures in Cologne during the whole year:
The hottest month in Cologne is July with average maximum temperature going up to +24°C. The coldest month is January with the lowest temperatures of +1°C.
Humidity
The temperature feels different depending on humidity. Here is how humidity in Cologne looks throughout the year, in %:
The most humid month in Cologne is December with average humidity going up to 84%. The least humid month is April with an average humidity of 68%.
Rain
Amount of rainfall in mm. in Cologne during the whole year based on historical data:
The sunniest and driest month is May with approximately 7 sunny days and a total precipitation of around 67 mm. The rainiest and wettest month is July with approximately 16 rainy days and 75 mm of total precipitation.
Snow
Amount of snow in mm. in Cologne during the whole year based on historical data:
The snowiest month is December with approximately 5 snowy days.
FAQ
Frequently asked questions about the weather in Cologne:
What is the hottest month in Cologne?
The hottest month in Cologne is July with average maximum temperature of +24°C.
What is the coldest month in Cologne?
The coldest month in Cologne is January with minimum temperatures of +1°C.
Is Cologne worth visiting in winter?
Winter in Cologne could be a good time to visit, as the weather is generally ok.
When does it rain the least in Cologne?
if you're looking to visit Cologne when it rains the least, you should plan your trip for July, August, June. During this time, rainfall is rare with the driest month being February with only 44 mm of rain.
Other cities in Germany
Check out the weather for other cities in Germany.
Monthly weather in Cologne
Source of the data
For this page, we’ve looked at the typical weather in Cologne, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.