Germany · 30-year monthly climate averages
Based on 30 years of climate data, the most comfortable months to visit Cologne are June, August and September, when daytime temperatures are agreeable and rainfall is relatively low.
Cologne sees its warmest weather in July, when daytime highs average around 25°C, and its coolest in January (around 6°C).
Annual precipitation totals roughly 802mm — July is typically the wettest month (~87mm) and April the driest (~48mm).
Rainfall is spread fairly evenly through the year, so no single season is dramatically wetter than the rest.
July is the sunniest month, with about 207 hours of sunshine.
🟧 avg daytime high · 🟦 dashed: avg nighttime low · bars: monthly rainfall
Daily forecast highs vs the 30-year normal — last 61 days
Each bar is one day: orange above normal, blue below.
| Month | High / Low | Rainfall | Travel rating |
|---|---|---|---|
| January | 6° / 0°C | 62mm | 🤔 Fair |
| February | 7° / 0°C | 54mm | 🤔 Fair |
| March | 11° / 2°C | 55mm | 🤔 Fair |
| April | 16° / 5°C | 48mm | 👍 Good |
| May | 20° / 8°C | 62mm | 🌟 Great |
| June | 23° / 11°C | 86mm | 🌟 Great |
| July | 25° / 13°C | 87mm | 🌟 Great |
| August | 25° / 13°C | 83mm | 🌟 Great |
| September | 20° / 10°C | 67mm | 🌟 Great |
| October | 15° / 7°C | 65mm | 👍 Good |
| November | 10° / 4°C | 64mm | 🤔 Fair |
| December | 7° / 1°C | 69mm | 🤔 Fair |
January in Cologne is cold, with average daytime highs around 6°C (43°F) and nighttime lows near 0°C (32°F). Expect roughly 62mm of precipitation spread over about 12 rainy days, with a moderate amount of rain.
☀️ About 54 hours of sunshine over the month (~2h/day).
🎒 What to pack — warm coat · sweaters and layers · scarf
February in Cologne is cold, with average daytime highs around 7°C (45°F) and nighttime lows near 0°C (32°F). Expect roughly 54mm of precipitation spread over about 11 rainy days, with little rainfall.
☀️ About 75 hours of sunshine over the month (~2h/day).
🎒 What to pack — warm coat · sweaters and layers · scarf
March in Cologne is chilly, with average daytime highs around 11°C (53°F) and nighttime lows near 2°C (36°F). Expect roughly 55mm of precipitation spread over about 11 rainy days, with little rainfall.
☀️ About 125 hours of sunshine over the month (~4h/day).
🎒 What to pack — jacket or coat · long-sleeve layers
April in Cologne is mild, with average daytime highs around 16°C (61°F) and nighttime lows near 5°C (40°F). Expect roughly 48mm of precipitation spread over about 9 rainy days, with little rainfall.
☀️ About 173 hours of sunshine over the month (~6h/day).
🎒 What to pack — light jacket · layers for cool evenings
May in Cologne is pleasantly warm, with average daytime highs around 20°C (67°F) and nighttime lows near 8°C (47°F). Expect roughly 62mm of precipitation spread over about 10 rainy days, with a moderate amount of rain.
☀️ About 199 hours of sunshine over the month (~7h/day).
🎒 What to pack — light layers · comfortable walking shoes
June in Cologne is pleasantly warm, with average daytime highs around 23°C (73°F) and nighttime lows near 11°C (52°F). Expect roughly 86mm of precipitation spread over about 11 rainy days, with a moderate amount of rain.
☀️ About 201 hours of sunshine over the month (~7h/day).
🎒 What to pack — light layers · comfortable walking shoes
July in Cologne is pleasantly warm, with average daytime highs around 25°C (77°F) and nighttime lows near 13°C (56°F). Expect roughly 87mm of precipitation spread over about 11 rainy days, with a moderate amount of rain.
☀️ About 207 hours of sunshine over the month (~7h/day).
🎒 What to pack — light layers · comfortable walking shoes
August in Cologne is pleasantly warm, with average daytime highs around 25°C (76°F) and nighttime lows near 13°C (55°F). Expect roughly 83mm of precipitation spread over about 11 rainy days, with a moderate amount of rain.
☀️ About 197 hours of sunshine over the month (~7h/day).
🎒 What to pack — light layers · comfortable walking shoes
September in Cologne is pleasantly warm, with average daytime highs around 20°C (69°F) and nighttime lows near 10°C (49°F). Expect roughly 67mm of precipitation spread over about 10 rainy days, with a moderate amount of rain.
☀️ About 150 hours of sunshine over the month (~5h/day).
🎒 What to pack — light layers · comfortable walking shoes
October in Cologne is mild, with average daytime highs around 15°C (59°F) and nighttime lows near 7°C (44°F). Expect roughly 65mm of precipitation spread over about 11 rainy days, with a moderate amount of rain.
☀️ About 105 hours of sunshine over the month (~3h/day).
🎒 What to pack — light jacket · layers for cool evenings
November in Cologne is chilly, with average daytime highs around 10°C (50°F) and nighttime lows near 4°C (38°F). Expect roughly 64mm of precipitation spread over about 11 rainy days, with a moderate amount of rain.
☀️ About 59 hours of sunshine over the month (~2h/day).
🎒 What to pack — jacket or coat · long-sleeve layers
December in Cologne is cold, with average daytime highs around 7°C (44°F) and nighttime lows near 1°C (34°F). Expect roughly 69mm of precipitation spread over about 13 rainy days, with a moderate amount of rain.
☀️ About 45 hours of sunshine over the month (~2h/day).
🎒 What to pack — warm coat · sweaters and layers · scarf