Cologne weather in January
January in Cologne: cold, rainy, with clean air — one of the weakest months to visit.
#12 of 12 months in Cologne · #497 of 604 destinations to visit in January · comfort 47/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
Cologne climate normals — January
| Daytime high | 6°C / 42°F | 🧥 cold |
|---|---|---|
| Nighttime low | 2°C / 35°F | |
| Feels like (high) | 2°C / 36°F | |
| Rainfall | 102 mm / 4 in | 🌧 rainy |
| Rainy days | 16 days | |
| Humidity | 88% | 💦 very humid |
| Dew point | 2°C / 36°F | |
| Sunshine | 3.2 h/day | |
| Daylight | 8.5 h | |
| Wind | 20 km/h / 12 mph | |
| Snowfall | 8.8 cm / 3.5 in | |
| Air quality (US AQI) | 31 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Cologne?
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Cologne in January — FAQ
- Is January a good time to visit Cologne?
- January in Cologne: cold, rainy, with clean air — one of the weakest months to visit. It ranks #12 of 12 months for Cologne on SeasonMap's comfort score (47/100).
- What is the weather like in Cologne in January?
- In January, Cologne averages a daily high of 5.7°C and a low of 1.5°C, with about 102.4 mm of rain over roughly 15.8 rainy days.
- What is the air quality in Cologne in January?
- Cologne has a mean US Air Quality Index of about 31 in January.
- Does it snow in Cologne in January?
- Cologne sees roughly 8.8 cm of snowfall in January.