WEATHER IN Aachen
Climate tables. Data for Aachen.
Monthly temperature
| Month | Record low | Average low | Average | Average high | Record high |
| january | -20.4 (1945) | 0.4 | 2.8 | 5.2 | 16.2 (1999) |
| february | -20.2 (1895) | 0.7 | 3.4 | 6.3 | 20.5 (1960) |
| march | -11.9 (1895) | 2.7 | 6.4 | 10.4 | 24.4 (1945) |
| april | -4.8 (1911) | 4.6 | 9.5 | 14.7 | 30.0 (1968) |
| may | -1.3 (1914) | 7.9 | 12.9 | 18.2 | 34.2 (1892) |
| june | 1.8 (1962) | 10.8 | 15.6 | 20.8 | 36.6 (1947) |
| july | 5.8 (1984) | 13.3 | 18.1 | 23.5 | 38.6 (2019) |
| august | 3.4 (1904) | 13.3 | 18.0 | 23.4 | 37.2 (1944) |
| september | 0.0 (1944) | 10.5 | 14.6 | 19.3 | 34.3 (1911) |
| october | -5.7 (1950) | 7.7 | 10.8 | 14.2 | 26.9 (2001) |
| november | -8.9 (1902) | 4.0 | 6.7 | 9.6 | 22.1 (1994) |
| december | -16.5 (1950) | 1.4 | 3.7 | 6.0 | 17.6 (1953) |
| year | () | () |
Monthly precipitation
| Month | Average | Record low | Record high | Daily high |
| january | 64.9 | 3.6 (1997) | 141.3 (1948) | 36.5 (1993) |
| february | 60.5 | 4.3 (1959) | 170.5 (1946) | 43.5 (1984) |
| march | 57.3 | 7.0 (1993) | 154.5 (1988) | 32.1 (1948) |
| april | 48.1 | 0.1 (2007) | 153.6 (1935) | 63.3 (2018) |
| may | 63.4 | 5.1 (1939) | 166.3 (1984) | 42.7 (1906) |
| june | 73.3 | 15.9 (1962) | 180.2 (1961) | 68.0 (1905) |
| july | 75.2 | 8.8 (2018) | 217.1 (2000) | 56.9 (2014) |
| august | 78.4 | 8.1 (1899) | 177.0 (1969) | 63.0 (1971) |
| september | 62.9 | 5.5 (1959) | 197.2 (1984) | 66.6 (1956) |
| october | 65.3 | 4.0 (1969) | 153.3 (1982) | 63.7 (1982) |
| november | 63.5 | 3.1 (2011) | 163.2 (1952) | 42.6 (1948) |
| december | 76.2 | 8.9 (1933) | 167.3 (1966) | 40.7 (1990) |
| year | () | () | () |
Number of days with solid, liquid, and mixed precipitation
| Type of precipitation | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Wind speed, m/s
| jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
The frequency of different wind directions, %
| direction | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Air humidity, %
| jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Snow cover
| Month | jul | aug | sep | oct | nov | dec | jan | feb | mar | apr | may | jun | Year |
| number of days | |||||||||||||
| height (sm) | |||||||||||||
| max height (sm) |
Cloudy, score
| month | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
| total | |||||||||||||
| low |
Number of clear, cloudy and cloudy days
| month | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
| Total cloud | |||||||||||||
| Low cloud | |||||||||||||
Number of days with different phenomena
| phenomenon | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
The frequency of different types of clouds, %
| type of clouds | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |