Cologne, GermanyQuick decision
When to visit Cologne?
🌞 Best time overall
July
🌡️ Optimal temperature
15°C–24°C in July
🌧 Least rain
40% rainy days in July
🌧 Wettest month
December (53%)
📅 Best score
7.8/10
Monthly climate data
Cologne weather month by month
| Month | Min °C | Max °C | Rainy days (%) | Precip. mm/d | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌦️ January | 1°C | 6°C | 51% | 2.8 | 3.7h | 1.5/10 |
| 🌦️ February | 2°C | 9°C | 45% | 2.5 | 6.1h | 4.0/10 |
| 🌦️ March | 3°C | 11°C | 42% | 2.3 | 8.3h | 4.4/10 |
| ⛅ April | 6°C | 15°C | 38% | 1.9 | 10.7h | 7.0/10 |
| 🌤️ May | 10°C | 19°C | 38% | 2.2 | 12.3h | 7.2/10 |
| 🌤️ June | 14°C | 23°C | 40% | 2.7 | 12.8h | 7.7/10 |
| 🌤️ July | 15°C | 24°C | 40% | 2.9 | 12.7h | 7.8/10 |
| 🌤️ August | 15°C | 24°C | 39% | 2.1 | 11.8h | 7.7/10 |
| 🌤️ September | 13°C | 20°C | 34% | 2.7 | 10.5h | 7.3/10 |
| 🌦️ October | 9°C | 15°C | 45% | 2.4 | 6.1h | 4.6/10 |
| 🌦️ November | 5°C | 10°C | 47% | 2.5 | 4.9h | 4.0/10 |
| 🌦️ December | 3°C | 7°C | 53% | 2.7 | 2.8h | 1.4/10 |
Ideal
Fair
Challenging climate
Source: Open-Meteo · 10 years
Seasonal breakdown
What to expect each season
🌸 Spring (Mar–May) — Acceptable
Average 15°C, 39% rainy days, 10.4h sunshine/day. Score: 6.2/10.
☀️ Summer (Jun–Aug) — Good time
Average 24°C, 40% rainy days, 12.4h sunshine/day. Score: 7.7/10.
🍂 Autumn (Sep–Nov) — Challenging climate
Average 15°C, 42% rainy days, 7.2h sunshine/day. Score: 5.3/10.
❄️ Winter (Dec–Feb) — Challenging climate
Average 7°C, 50% rainy days, 4.2h sunshine/day. Score: 2.3/10.
Accommodation
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Check availability during the recommended period
Tip : off-peak months (December, January) are cheapest but weather is significantly worse.
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Activities and tours in Cologne
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Monthly weather
Detailed weather by month
FAQ
Frequently asked questions
July is ideal with 40% rainy days and 24°C.
December is the wettest month with 53% rainy days.
Yes, July is the best month with an average of 24°C.
In winter, the average score is 2.3/10. Difficult period — prefer the peak season.
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