Climate averages 1991–2020
Aachen weather
in October.
A cool, moderately wet month: the 6th warmest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a cool month in Aachen: daytime highs average 13.9°C and nights cool to about 8.1°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 65 mm of rain on roughly 12 days, which makes October a moderately wet month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 46 min on an average October day.
The nearest other city in this atlas is Heerlen (14 km away). In October its highs average 14.3°C, about as warm as Aachen, with 59 mm of rain.
Among the 120 cities listed in Germany, Aachen ranks joint 54th of 120 for the warmest October highs and joint 53rd of 120 for the driest October (rainfall, lowest first). The mean October high of those 120 cities is 13.8°C; Aachen is 0.1°C warmer than that mean.
From October to November, average highs fall by 5.0°C to 8.9°C, and monthly rainfall rises from 65 mm to 69 mm.
The annual picture
October in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Aachen climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 4.9°C0.4°C | 0.4°C | 74 | 13.8 | 8.59 h |
| February | 6.0°C0.4°C | 0.4°C | 68 | 12.6 | 10.010 h |
| March | 9.5°C2.3°C | 2.3°C | 70 | 13.7 | 11.812 h |
| April | 13.5°C4.9°C | 4.9°C | 55 | 11.6 | 13.814 h |
| May | 17.2°C8.8°C | 8.8°C | 66 | 12.9 | 15.515 h |
| June | 20.1°C11.8°C | 11.8°C | 76 | 13.1 | 16.416 h |
| July | 22.1°C14.1°C | 14.1°C | 83 | 13.7 | 16.016 h |
| August | 22.0°C14.0°C | 14.0°C | 79 | 12.9 | 14.515 h |
| September | 18.4°C11.2°C | 11.2°C | 66 | 10.9 | 12.713 h |
| October, selected | 13.9°C8.1°C | 8.1°C | 65 | 11.8 | 10.811 h |
| November | 8.9°C4.3°C | 4.3°C | 69 | 13.1 | 9.09 h |
| December | 5.6°C1.5°C | 1.5°C | 85 | 14.5 | 8.18 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
October in nearby cities
- Heerlen in OctoberThe Netherlands · 14 kmHigh 14.3°C · Low 8.3°C · 59 mm rain
- Maastricht in OctoberThe Netherlands · 29 kmHigh 14.5°C · Low 8.5°C · 65 mm rain
- Düren in OctoberGermany · 29 kmHigh 14.1°C · Low 8.0°C · 59 mm rain
- Liège in OctoberBelgium · 40 kmHigh 14.6°C · Low 8.6°C · 63 mm rain
- Mönchengladbach in OctoberGermany · 52 kmHigh 14.5°C · Low 8.4°C · 69 mm rain
- Hasselt in OctoberBelgium · 55 kmHigh 14.7°C · Low 8.6°C · 61 mm rain
- Viersen in OctoberGermany · 57 kmHigh 14.4°C · Low 8.5°C · 69 mm rain
- Neuss in OctoberGermany · 63 kmHigh 14.5°C · Low 8.4°C · 77 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Aachen) is explained once on the Aachen year overview and on the Sources, method and limits page.