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Best time to visit · Germany
May – September are the best time to visit Cologne on the climate data: September scores 87/100, with highs around 69°F (21°C) and 2.2 in (57 mm) of rain. April and October are good shoulder-season months. The toughest months are December – February, mainly because of cool days.
Highs run from 40°F to 77°F across the year, and the yearly total is about 31.1 in (791 mm) of rain.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 40°F5°C | 43°F6°C | 50°F10°C | 60°F15°C | 66°F19°C | 73°F23°C | 77°F25°C | 76°F25°C | 69°F21°C | 59°F15°C | 49°F9°C | 42°F5°C |
| Avg low | 30°F-1°C | 30°F-1°C | 34°F1°C | 40°F5°C | 47°F9°C | 54°F12°C | 58°F14°C | 57°F14°C | 50°F10°C | 44°F7°C | 38°F3°C | 32°F0°C |
| Rain | 2.9 in74 mm | 2.4 in62 mm | 2.3 in59 mm | 1.7 in44 mm | 2.5 in64 mm | 2.7 in68 mm | 3.0 in75 mm | 3.1 in79 mm | 2.2 in57 mm | 2.4 in61 mm | 2.8 in71 mm | 3.0 in77 mm |
| Humidity | 92% | 89% | 84% | 78% | 77% | 73% | 69% | 70% | 74% | 83% | 91% | 93% |
| Cloud | 79% | 76% | 70% | 66% | 71% | 71% | 68% | 67% | 64% | 71% | 79% | 81% |
| Comfort | 40 | 46 | 61 | 79 | 83 | 83 | 83 | 83 | 87 | 75 | 54 | 40 |
Source: NASA POWER (public domain), 2001–2025 monthly averages on a ~50 km satellite and reanalysis grid, so coasts and valleys can differ from what's shown. The grid cell sits at about 125 m (410 ft), close to Cologne's own ~56 m. Precipitation includes snow as melted water; daylight is calculated from latitude. Check a forecast before you go.
The coldest season, with highs of 40–43°F (5–6°C) and lows down to 30°F (-1°C). About 8.4 in (213 mm) of rain falls across these months, 27% of the year's total. Nights dip below freezing in January & February. Comfort scores bottom out in December – February; the season averages 42/100.
Temperatures climb through the season, from 50°F highs in March to 66°F by May. It's the driest season, with only about 6.6 in (167 mm) of rain, 21% of the year's total. Lows bottom out around 34°F (1°C). May is among the best-scoring months (season average 74/100).
Peak warmth: highs of 73–77°F (23–25°C). It's the wettest season, with about 8.7 in (222 mm) of rain, 28% of the year's total. Lows bottom out around 54°F (12°C). Comfort peaks here: June – August rank with the year's best, and the season averages 83/100.
Temperatures slide from 69°F highs in September to 49°F by November. About 7.4 in (189 mm) of rain falls across these months, 24% of the year's total. Lows bottom out around 38°F (3°C). September is among the best-scoring months (season average 72/100).
By comfort score: 7 Great, 1 Good, 2 Fair and 2 Tough. Great months: April – October. Tap a month for its own guide.
May – September are the best time to visit Cologne on the climate data: September scores 87/100, with highs around 69°F (21°C) and 2.2 in (57 mm) of rain. April and October are good shoulder-season months. The toughest months are December – February, mainly because of cool days.
August is the wettest month, averaging about 3.1 in (79 mm) of rain. April is the driest, with about 1.7 in (44 mm). The yearly total is around 31.1 in (791 mm).
January is the coldest, with average lows of 30°F (-1°C) and highs of 40°F (5°C). The warmest is July, with average highs of 77°F (25°C).
Not very: summer (June – August) humidity averages 71%, and highs peak around 77°F (25°C), so it rarely feels sticky.
On average, yes: lows fall below 32°F (0°C) in January & February, bottoming out around 30°F (-1°C) in January.
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