Cologne Weather
Cologne weather today, the 14-day forecast, and average temperature, rain and what to wear for every month — compared against Hong Kong. Best months to visit: Apr, May, Jun, Jul, Aug, Sep and Oct.
Cologne current weather
Cologne now (local time 09:45)
14°C
Overcast
- Feels like
- 14°
- Humidity
- 74%
- Wind
- 2 km/h
Next 7 days · what to wear
8° – 23°C
Rain likely on 4 of 7 days
👕 Long sleeves with a light jacket or sweater; it's wet, so pack a compact umbrella.
Cologne 14-day forecast
Today
10/4
☁️
22°
13°
💧0%
Mon
10/5
☁️
23°
14°
💧0%
Tue
10/6
☁️
23°
13°
💧6%
Wed
10/7
🌦️
21°
10°
💧71%
Thu
10/8
🌦️
15°
9°
💧86%
Fri
10/9
🌦️
13°
8°
💧46%
Sat
10/10
🌦️
15°
11°
💧68%
Sun
10/11
☁️
15°
10°
💧39%
Mon
10/12
🌦️
18°
10°
💧41%
Tue
10/13
🌦️
18°
14°
💧31%
Wed
10/14
🌦️
16°
11°
💧32%
Thu
10/15
🌦️
11°
8°
💧29%
Fri
10/16
🌦️
11°
6°
💧27%
Sat
10/17
🌦️
7°
5°
💧25%
Best time to visit Cologne
On temperature and rainfall, the most comfortable months in Cologne are Apr, May, Jun, Jul, Aug, Sep and Oct. The hottest month is July (average high 25°C) and the coldest is January (average low -1°C).
Cologne climate by month
| Month | Avg high | Avg low | Rain | Humidity | vs Hong Kong |
|---|---|---|---|---|---|
| Jan | 5°C | -1°C | 74 mm | 92% | -15°C |
| Feb | 6°C | -1°C | 62 mm | 89% | -15°C |
| Mar | 10°C | 1°C | 59 mm | 84% | -14°C |
| AprBest | 15°C | 5°C | 44 mm | 78% | -13°C |
| MayBest | 19°C | 9°C | 64 mm | 77% | -13°C |
| JunBest | 23°C | 12°C | 68 mm | 73% | -11°C |
| JulBest | 25°C | 15°C | 75 mm | 69% | -9°C |
| AugBest | 25°C | 14°C | 79 mm | 70% | -10°C |
| SepBest | 21°C | 10°C | 57 mm | 74% | -13°C |
| OctBest | 15°C | 7°C | 61 mm | 83% | -15°C |
| Nov | 9°C | 3°C | 71 mm | 91% | -16°C |
| Dec | 5°C | 0°C | 77 mm | 93% | -16°C |
Data: NASA POWER 2001–2020 climatology (MERRA-2, elevation-corrected); Hong Kong comparison uses HKO 1991–2020 normals.
Cologne weather month by month: what to wear
Cologne in OctoberBest monthThis month
October in Cologne is chilly: average highs of 15°C and lows of 7°C, around 61 mm of rain (mostly dry) and 83% humidity — about 15°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Long sleeves with a light jacket or sweater.
Cologne in November
November in Cologne is cold: average highs of 9°C and lows of 3°C, around 71 mm of rain (mostly dry) and 91% humidity — about 16°C colder than Hong Kong.
👕 A warm coat over a sweater, plus a scarf.
Cologne in December
December in Cologne is cold: average highs of 5°C and lows of 0°C, around 77 mm of rain (mostly dry) and 93% humidity — about 16°C colder than Hong Kong.
👕 A warm coat over a sweater, plus a scarf.
Cologne in January
January in Cologne is cold: average highs of 5°C and lows of -1°C, around 74 mm of rain (mostly dry) and 92% humidity — about 15°C colder than Hong Kong.
👕 A down jacket, thermal base layers, scarf and gloves.
Cologne in February
February in Cologne is cold: average highs of 6°C and lows of -1°C, around 62 mm of rain (mostly dry) and 89% humidity — about 15°C colder than Hong Kong.
👕 A warm coat over a sweater, plus a scarf.
Cologne in March
March in Cologne is chilly: average highs of 10°C and lows of 1°C, around 59 mm of rain (mostly dry) and 84% humidity — about 14°C colder than Hong Kong.
👕 A sweater plus a coat or windbreaker.
Cologne in AprilBest month
April in Cologne is chilly: average highs of 15°C and lows of 5°C, around 44 mm of rain (mostly dry) and 78% humidity — about 13°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Long sleeves with a light jacket or sweater; big day–night swing, so dress in layers.
Cologne in MayBest month
May in Cologne is mild and cool: average highs of 19°C and lows of 9°C, around 64 mm of rain (mostly dry) and 77% humidity — about 13°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Long sleeves with a light jacket or sweater; big day–night swing, so dress in layers.
Cologne in JuneBest month
June in Cologne is pleasantly warm: average highs of 23°C and lows of 12°C, around 68 mm of rain (mostly dry) and 73% humidity — about 11°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings; big day–night swing, so dress in layers.
Cologne in JulyBest month
July in Cologne is pleasantly warm: average highs of 25°C and lows of 15°C, around 75 mm of rain (mostly dry) and 69% humidity — about 9°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves, plus a light layer for air-conditioned interiors; big day–night swing, so dress in layers.
Cologne in AugustBest month
August in Cologne is pleasantly warm: average highs of 25°C and lows of 14°C, around 79 mm of rain (mostly dry) and 70% humidity — about 10°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings; big day–night swing, so dress in layers.
Cologne in SeptemberBest month
September in Cologne is mild and cool: average highs of 21°C and lows of 10°C, around 57 mm of rain (mostly dry) and 74% humidity — about 13°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings; big day–night swing, so dress in layers.
FAQ
›What is the best time to visit Cologne?
On temperature and rainfall, the most comfortable months in Cologne are Apr, May, Jun, Jul, Aug, Sep and Oct. The hottest month is July (average high 25°C) and the coldest is January (average low -1°C).
›What's the weather like in Cologne in October, and what should I wear?
October in Cologne is chilly: average highs of 15°C and lows of 7°C, around 61 mm of rain (mostly dry) and 83% humidity — about 15°C colder than Hong Kong. It's one of the most comfortable months of the year to visit. What to wear: Long sleeves with a light jacket or sweater.
›What's the weather like in Cologne in November, and what should I wear?
November in Cologne is cold: average highs of 9°C and lows of 3°C, around 71 mm of rain (mostly dry) and 91% humidity — about 16°C colder than Hong Kong. What to wear: A warm coat over a sweater, plus a scarf.
›When is the rainy season in Cologne?
Cologne is wettest in August, with about 79 mm on average, and driest in April, with about 44 mm.
›How cold does Cologne get? Does it snow?
The coldest month is January, averaging 5°C by day and -1°C at night. Nights regularly drop below freezing and snow is possible.
Planning a trip to Cologne?
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Forecast data: Open-Meteo.com (CC BY 4.0), refreshed every 3 hours. Hottest month: July; coldest: January.