, with cold (but not freezing) winters, very mild to pleasantly warm summers, and frequent rainfall all year round.
Aachen is a city of 250,000 inhabitants, located in western Germany, in the part of
, which includes, in addition to the district of Aachen, the province of Liège and Belgian Limburg, and the province of Maastricht and Dutch Limburg.
(Hohes Venn in German), whose peak, the Signal de Botrange, 694 meters (2,277 feet), is located in Belgium. Together with the Eifel mountains, the area is protected in the High Fens – Eifel Nature Park, shared between Germany and Belgium.
. Once every few years, the temperature can drop to -15 °C (5 °F). The coldest record is -20.4 °C (-4.7 °F), set in January 1945.
, usually of short duration, during which the temperature can reach or exceed 35 °C (95 °F). The heat record is 38.6 °C (101.5 °F), set in July 2019.
to visit Aachen is from mid-May to mid-September, as it is the mildest of year. July and August are the warmest months; however, it is a good idea to bring a sweatshirt or sweater, a light jacket and an umbrella, for rainy days and cool evenings.
. Here are the average temperatures.
January, the coldest month of the year, is generally a cold month. The average temperature is of
3.2 °C, with a minimum of
0.8 °C and a maximum of
5.6 °C.
On the coldest nights of the month, the temperature usually drops to around
-7 °C. However, it dropped to
-16.4 °C in January 1997.
On the warmest days of the month, the temperature usually reaches around
12.5 °C. However, it reached
16.2 °C in January 1999.
Precipitation amounts to
64.4 mm, distributed over 12 days.
The day lasts on average 8 hours and 35 minutes.
There are on average 2 hours of sunshine per day. So, the sun shines 26% of the time.
The average humidity is 82%. Hence, the air is normally humid.
February is generally a cold month. The average temperature is of
3.7 °C, with a minimum of
0.9 °C and a maximum of
6.5 °C.
On the coldest nights of the month, the temperature usually drops to around
-6 °C. However, it dropped to
-15.8 °C in February 2012.
On the warmest days of the month, the temperature usually reaches around
14 °C. However, it reached
19.8 °C in February 2019.
Precipitation amounts to
63.6 mm, distributed over 11 days.
The day lasts on average 10 hours and 5 minutes.
There are on average 2.5 hours of sunshine per day. So, the sun shines 27% of the time.
The average humidity is 80%. Hence, the air is normally humid.
March is generally a quite mild month. The average temperature is of
6.7 °C, with a minimum of
3.1 °C and a maximum of
10.3 °C.
On the coldest nights of the month, the temperature usually drops to around
-3 °C. However, it dropped to
-9.8 °C in March 2013.
On the warmest days of the month, the temperature usually reaches around
18.5 °C. However, it reached
23.1 °C in March 2004.
Precipitation amounts to
60.2 mm, distributed over 11 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 4 hours of sunshine per day. So, the sun shines 33% of the time.
The average humidity is 75%. Hence, the air is normally humid.
April is generally a mild month. The average temperature is of
10 °C, with a minimum of
5.5 °C and a maximum of
14.5 °C.
On the coldest nights of the month, the temperature usually drops to around
-0.5 °C. However, it dropped to
-3.8 °C in April 2013.
On the warmest days of the month, the temperature usually reaches around
23.5 °C. However, it reached
28.7 °C in April 2007.
Precipitation amounts to
49.6 mm, distributed over 9 days.
The day lasts on average 13 hours and 55 minutes.
There are on average 5.5 hours of sunshine per day. So, the sun shines 41% of the time.
The average humidity is 69%.
May is generally a mild month. The average temperature is of
13.7 °C, with a minimum of
9 °C and a maximum of
18.4 °C.
On the coldest nights of the month, the temperature usually drops to around
3 °C. However, it dropped to
0.2 °C in May 2019.
On the warmest days of the month, the temperature usually reaches around
27 °C. However, it reached
32.8 °C in May 2005.
Precipitation amounts to
65.6 mm, distributed over 11 days.
The day lasts on average 15 hours and 35 minutes. So the days are long.
There are on average 6.5 hours of sunshine per day. So, the sun shines 40% of the time.
The average humidity is 70%. Hence, the air is normally humid.
June is generally a very mild month. The average temperature is of
16.5 °C, with a minimum of
11.8 °C and a maximum of
21.2 °C.
On the coldest nights of the month, the temperature usually drops to around
7 °C. However, it dropped to
3.9 °C in June 1991.
On the warmest days of the month, the temperature usually reaches around
30.5 °C. However, it reached
34.5 °C in June 2002.
Precipitation amounts to
73.3 mm, distributed over 10 days.
The day lasts on average 16 hours and 25 minutes. So the days are long. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.
There are on average 7 hours of sunshine per day. So, the sun shines 42% of the time.
The average humidity is 70%. Hence, the air is normally humid.
July, the warmest month of the year, is generally a warm month. The average temperature is of
18.8 °C, with a minimum of
14.1 °C and a maximum of
23.6 °C.
On the coldest nights of the month, the temperature usually drops to around
9.5 °C. However, it dropped to
5.9 °C in July 2019.
On the warmest days of the month, the temperature usually reaches around
32.5 °C. However, it reached
38.6 °C in July 2019.
Precipitation amounts to
76.8 mm, distributed over 11 days.
The day lasts on average 15 hours and 55 minutes. So the days are long.
There are on average 7 hours of sunshine per day. So, the sun shines 43% of the time.
The average humidity is 71%. Hence, the air is normally humid.
August is generally a warm month. The average temperature is of
18.5 °C, with a minimum of
13.8 °C and a maximum of
23.3 °C.
On the coldest nights of the month, the temperature usually drops to around
9.5 °C. However, it dropped to
6.7 °C in August 2007.
On the warmest days of the month, the temperature usually reaches around
32 °C. However, it reached
36.8 °C in August 2003.
Precipitation amounts to
79 mm, distributed over 11 days.
The day lasts on average 14 hours and 25 minutes. So the days are long.
There are on average 6.5 hours of sunshine per day. So, the sun shines 44% of the time.
The average humidity is 72%. Hence, the air is normally humid.
September is generally a very mild month. The average temperature is of
15.2 °C, with a minimum of
11.1 °C and a maximum of
19.4 °C.
On the coldest nights of the month, the temperature usually drops to around
6 °C. However, it dropped to
3.1 °C in September 2018.
On the warmest days of the month, the temperature usually reaches around
27 °C. However, it reached
32.2 °C in September 2003.
Precipitation amounts to
63.5 mm, distributed over 10 days.
The day lasts on average 12 hours and 30 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 40% of the time.
The average humidity is 77%. Hence, the air is normally humid.
October is generally a mild month. The average temperature is of
11.3 °C, with a minimum of
7.8 °C and a maximum of
14.8 °C.
On the coldest nights of the month, the temperature usually drops to around
1 °C. However, it dropped to
-3.7 °C in October 1997.
On the warmest days of the month, the temperature usually reaches around
22.5 °C. However, it reached
26.9 °C in October 2001.
Precipitation amounts to
66.4 mm, distributed over 11 days.
The day lasts on average 10 hours and 35 minutes.
There are on average 4 hours of sunshine per day. So, the sun shines 37% of the time.
The average humidity is 81%. Hence, the air is normally humid.
November is generally a quite mild month. The average temperature is of
6.9 °C, with a minimum of
4.3 °C and a maximum of
9.5 °C.
On the coldest nights of the month, the temperature usually drops to around
-2 °C. However, it dropped to
-7.6 °C in November 1998.
On the warmest days of the month, the temperature usually reaches around
16.5 °C. However, it reached
22.1 °C in November 1994.
Precipitation amounts to
65.4 mm, distributed over 12 days.
The day lasts on average 8 hours and 55 minutes.
There are on average 2.5 hours of sunshine per day. So, the sun shines 26% of the time.
The average humidity is 84%. Hence, the air is normally humid.
December is generally a quite cold month. The average temperature is of
4 °C, with a minimum of
1.7 °C and a maximum of
6.2 °C.
On the coldest nights of the month, the temperature usually drops to around
-5 °C. However, it dropped to
-14.3 °C in December 1996.
On the warmest days of the month, the temperature usually reaches around
12.5 °C. However, it reached
16.5 °C in December 2003.
Precipitation amounts to
78 mm, distributed over 14 days.
The day lasts on average 8 hours and 0 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
There are on average 1.5 hours of sunshine per day. So, the sun shines 21% of the time.
The average humidity is 85%. Hence, the air is normally humid.