Climate Insights for Cologne
Cologne Government Region, Germany
Climate Overview
The climate in Cologne is temperate. The average annual temperature is 11°C and approximately 1,004 mm of precipitation falls per year. Cologne receives a notable amount of rainfall throughout the year, including during its driest month. Cologne is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are January, February, December, when temperatures can drop to 1°C. Light snow can occur between January and December.The climate in Cologne is temperate. The average annual temperature is 53°F and approximately 39.5 in of precipitation falls per year. Cologne receives a notable amount of rainfall throughout the year, including during its driest month. Cologne is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are January, February, December, when temperatures can drop to 35°F. Light snow can occur between January and December.
Temperature
Temperatures in Cologne vary considerably across the year, with a 23°C difference between the coldest and warmest months. August is the warmest month, though highs remain moderate at 24°C with a mean of 20°C. January is the coolest month, with minimum temperatures around 1°C and an average of 3°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows. The sharpest temperature change occurs between October and November, with a 5°C shift in average temperatures.Temperatures in Cologne vary considerably across the year, with a 41°F difference between the coldest and warmest months. August is the warmest month, though highs remain moderate at 76°F with a mean of 67°F. January is the coolest month, with minimum temperatures around 35°F and an average of 38°F. Daily temperature variation is modest, with an average difference of 13°F between highs and lows. The sharpest temperature change occurs between October and November, with a 9°F shift in average temperatures.
Precipitation
Cologne is a moderately rainy area, receiving approximately 1,004 mm of precipitation annually, which averages out to around 84 mm per month. The wettest month is January, averaging 113 mm of rainfall. December and October also tend to see above-average precipitation. The driest month is April, with just 58 mm. That's 55 mm less than January, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Light snowfall can occur between January and December, totalling around 29cm annually. January is the snowiest month with approximately 15cm.Cologne is a moderately rainy area, receiving approximately 39.5 in of precipitation annually, which averages out to around 3.3 in per month. The wettest month is January, averaging 4.4 in of rainfall. December and October also tend to see above-average precipitation. The driest month is April, with just 2.3 in. That's 2.2 in less than January, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Light snowfall can occur between January and December, totalling around 11in annually. January is the snowiest month with approximately 6in.
Wind
Cologne is mildly breezy, with an average annual wind speed of 12km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 15km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 10km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 5km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 14km/h in winter, 12km/h in spring, 10km/h in summer, 12km/h in autumn.Cologne is moderately windy, with an average annual wind speed of 8mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is February, averaging 9mph, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in August, with average winds dropping to 6mph, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3mph gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 9mph in winter, 7mph in spring, 6mph in summer, 8mph in autumn.
Best Time to Visit
The best time to visit Cologne is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 77 mm per month. By contrast, January can be quite cold with temperatures dropping to 1°C. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.The best time to visit Cologne is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 65°F with modest rainfall averaging 3 in per month. By contrast, January can be quite cold with temperatures dropping to 35°F. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.
Monthly Climate Data
The table below shows monthly climate averages for Cologne based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.The table below shows monthly climate averages for Cologne based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in inches (in) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.