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Cologne, Germany skyline

Cologne Weather by Month

Twelve months of Cologne, Germany weather — averages from 2006–2025.

Cologne's warmest month is July (average high 23.9°C (75°F)) and the coolest is January (5.5°C (41.9°F)). The most rain falls in December (about 93 mm), and April is the driest (about 51 mm). July is the sunniest, with about 11.4 hours of sunshine a day.

Best months to visit Cologne

  1. #1SeptemberGreat
  2. #2AprilGood
  3. #3JuneGood

Ranked within Cologne's own year by temperature comfort, rainy days and sunshine — historical averages, not a forecast.

Cologne month by month

January

Fair

High 5.5°C (41.9°F)
Low 0.8°C (33.4°F)

Rainfall
88 mm (3.5 in)
Rainy days
15 rainy days
Sunshine
3.7 h sunshine / day
January

February

Fair

High 7.2°C (45°F)
Low 1.2°C (34.2°F)

Rainfall
68 mm (2.7 in)
Rainy days
13 rainy days
Sunshine
5.2 h sunshine / day
February

March

Fair

High 10.6°C (51.1°F)
Low 2.6°C (36.7°F)

Rainfall
70 mm (2.7 in)
Rainy days
13 rainy days
Sunshine
7.4 h sunshine / day
March

April

Good

High 14.9°C (58.8°F)
Low 5.5°C (41.9°F)

Rainfall
51 mm (2 in)
Rainy days
10 rainy days
Sunshine
9.9 h sunshine / day
April

May

Good

High 18.6°C (65.5°F)
Low 9.5°C (49.1°F)

Rainfall
73 mm (2.9 in)
Rainy days
12 rainy days
Sunshine
10.8 h sunshine / day
May

June

Good

High 22.2°C (72°F)
Low 13.3°C (55.9°F)

Rainfall
76 mm (3 in)
Rainy days
12 rainy days
Sunshine
11.3 h sunshine / day
June

July

Good

High 23.9°C (75°F)
Low 15°C (59°F)

Rainfall
91 mm (3.6 in)
Rainy days
13 rainy days
Sunshine
11.4 h sunshine / day
July

August

Good

High 23.4°C (74.1°F)
Low 14.8°C (58.6°F)

Rainfall
82 mm (3.2 in)
Rainy days
12 rainy days
Sunshine
10.4 h sunshine / day
August

September

Great

High 20°C (68°F)
Low 11.9°C (53.4°F)

Rainfall
70 mm (2.8 in)
Rainy days
10 rainy days
Sunshine
8.7 h sunshine / day
September

October

Good

High 15.3°C (59.5°F)
Low 8.8°C (47.8°F)

Rainfall
73 mm (2.9 in)
Rainy days
13 rainy days
Sunshine
6 h sunshine / day
October

November

Fair

High 9.9°C (49.8°F)
Low 4.9°C (40.8°F)

Rainfall
82 mm (3.2 in)
Rainy days
14 rainy days
Sunshine
4.3 h sunshine / day
November

December

Poor

High 6.7°C (44.1°F)
Low 2.2°C (36°F)

Rainfall
93 mm (3.6 in)
Rainy days
16 rainy days
Sunshine
3.2 h sunshine / day
December
Full 20-year climate guide for CologneCharts, the monthly averages table and packing tips

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Based on 20 years of historical weather data (2006–2025) from Open-Meteo. Monthly averages, not a forecast.