Aachen Weather and Climate: A Comprehensive Guide
The temperature in Aachen can vary greatly throughout the year.
The temperatures shift from warm
to cold.
It receives a reasonable amount of rain/snowfall.
Now, let’s explore all the climate details to give you a full picture.
Average maximum day and minimum night temperature
Depending on the time of the year, temperatures range from comfortable to chilly in Aachen. Average daytime temperatures reach a comfortable 24°C in July. In January, the coolest month of the year, temperatures drop to a chilly 6°C.
At night, you can expect cooler temperatures, with averages dropping to around 1°C during this month. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Generally, Aachen has a moderate amount of precipitation, averaging 936 mm of rain/snowfall annually. Despite minor fluctuations, Aachen enjoys fairly consistent precipitation throughout the year. In December, you can expect around 90 mm of precipitation, while in April, Aachen receives about 62 mm.The mean monthly precipitation over the year, including rain, hail and snow
Sunshine over the year
Aachen can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 7.0 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.8 hours of sunlight per day. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is high throughout the year in Aachen.
The city experiences its highest humidity in December, reaching 88%. In April, the humidity drops to its lowest level at 71%. Explore our detailed page on humidity levels for further details.
Relative humidity over the year
overcast and rain overcast and chance of slight rain partly cloudy and no rainForecast for Aachen
The best time of year to visit Aachen in Germany
During the months of June, July and August you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
July has an average maximum temperature of 24°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 6°C.
December tops the wettest month list with 90 mm of rainfall.
April is the driest month with 62 mm of precipitation.
July is the sunniest month with an average of 211 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.