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Climate guideThirty-year normals for Cologne
Cologne climate by month
Oceanic · CfbBest Jul–Sep
Annual mean11°day and night
Seasonal swing16°warmest vs coolest
Precipitation813 mm168 wet days a year
50.93° N, 6.95° EElevation 58 mUTC+2 · Central European Summer Time
When to goCologne · weather score
Best timeJul–Sep
October: high / low15° / 8°
iSummary
What the weather is like
Cologne has an oceanic climate (Köppen Cfb): rain spread through the year and no real dry season.
The warmest month is July, when afternoons average 25° and nights 14°. January is the coolest month, with highs of 6° and lows of 1°. The difference between the warmest and the coolest month is about 16°.
About 813 mm of precipitation falls in an average year. December is the wettest month (72 mm, 17 wet days) and April the driest (52 mm, 11 wet days). Cloud cover ranges from 36% in August to 54% in December.
Compared with Berlin, the capital, Cologne is 0.3° cooler on a July afternoon and receives more precipitation over the year.
Year in figures
- Hottest afternoons
- 25° · July
- Coldest nights
- 1° · January
- Wettest month
- December
- Driest month
- April
- Clearest skies
- August · 36% cloud
- Longest day
- 16 h 30 min
- Shortest day
- 7 h 58 min
iiCharts
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columnsTemperature curve
Average high, lowDaylight
Hours between sunrise and sunset on the 15th of each monthiiiData table
Climate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 6° | 7° | 11° | 16° | 20° | 23° | 25° | 25° | 20° | 15° | 10° | 7° |
| Average low | 1° | 1° | 3° | 6° | 9° | 12° | 14° | 14° | 11° | 8° | 4° | 2° |
| Precipitation | 65 mm | 54 mm | 66 mm | 52 mm | 69 mm | 80 mm | 76 mm | 73 mm | 69 mm | 67 mm | 70 mm | 72 mm |
| Wet days (≥1 mm) | 16.5 | 13.5 | 13.2 | 10.8 | 13.7 | 14.2 | 15.9 | 15 | 11.2 | 12.9 | 14.3 | 16.8 |
| Cloud cover | 51% | 48% | 47% | 42% | 42% | 40% | 37% | 36% | 42% | 46% | 51% | 54% |
| Daylight | 8h 25 | 10h 02 | 11h 49 | 13h 48 | 15h 31 | 16h 30 | 16h 06 | 14h 36 | 12h 41 | 10h 47 | 8h 58 | 7h 58 |
| Month score | 16 | 19 | 27 | 59 | 63 | 63 | 64 | 65 | 69 | 49 | 16 | 15 |
ivMonth by month
Cologne in every month
January16
6° / 1°
65 mm · 16.5 wet days
February19
7° / 1°
54 mm · 13.5 wet days
March27
11° / 3°
66 mm · 13.2 wet days
April59
16° / 6°
52 mm · 10.8 wet days
May63
20° / 9°
69 mm · 13.7 wet days
June63
23° / 12°
80 mm · 14.2 wet days
July64
25° / 14°
76 mm · 15.9 wet days
August65
25° / 14°
73 mm · 15 wet days
September69
20° / 11°
69 mm · 11.2 wet days
October49
15° / 8°
67 mm · 12.9 wet days
November16
10° / 4°
70 mm · 14.3 wet days
December15
7° / 2°
72 mm · 16.8 wet days