Climate averages 1991–2020
Hannover weather
in October.
A cool, moderately wet month: the 7th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a cool month in Hannover: daytime highs average 13.6°C and nights cool to about 7.5°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 61 mm of rain on roughly 12 days, which makes October a moderately wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 41 min on an average October day.
The nearest other city in this atlas is Hildesheim (29 km away). In October its highs average 13.3°C, about as warm as Hannover, with 59 mm of rain.
Among the 120 cities listed in Germany, Hannover ranks joint 75th of 120 for the warmest October highs and joint 41st of 120 for the driest October (rainfall, lowest first). The mean October high of those 120 cities is 13.8°C; Hannover is 0.2°C cooler than that mean.
From October to November, average highs fall by 5.4°C to 8.2°C, and monthly rainfall falls from 61 mm to 54 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
Hannover climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 4.1°C-0.3°C | -0.3°C | 60 | 12.5 | 8.38 h |
| February | 5.4°C-0.2°C | -0.2°C | 46 | 10.7 | 9.910 h |
| March | 9.0°C1.6°C | 1.6°C | 55 | 11.9 | 11.812 h |
| April | 13.9°C4.8°C | 4.8°C | 49 | 10.3 | 13.914 h |
| May | 17.8°C8.9°C | 8.9°C | 60 | 11.1 | 15.716 h |
| June | 20.8°C12.2°C | 12.2°C | 65 | 11.4 | 16.717 h |
| July | 23.0°C14.6°C | 14.6°C | 78 | 13.0 | 16.316 h |
| August | 22.8°C14.5°C | 14.5°C | 72 | 12.3 | 14.715 h |
| September | 18.7°C11.3°C | 11.3°C | 59 | 10.6 | 12.713 h |
| October, selected | 13.6°C7.5°C | 7.5°C | 61 | 11.8 | 10.711 h |
| November | 8.2°C3.7°C | 3.7°C | 54 | 11.0 | 8.89 h |
| December | 4.8°C0.8°C | 0.8°C | 60 | 12.5 | 7.88 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
- Hildesheim in OctoberGermany · 29 kmHigh 13.3°C · Low 7.3°C · 59 mm rain
- Celle in OctoberGermany · 37 kmHigh 13.5°C · Low 7.6°C · 58 mm rain
- Salzgitter in OctoberGermany · 52 kmHigh 13.2°C · Low 7.3°C · 55 mm rain
- Braunschweig in OctoberGermany · 55 kmHigh 13.3°C · Low 7.4°C · 55 mm rain
- Minden in OctoberGermany · 56 kmHigh 13.6°C · Low 7.8°C · 64 mm rain
- Wolfsburg in OctoberGermany · 71 kmHigh 13.5°C · Low 7.6°C · 53 mm rain
- Detmold in OctoberGermany · 76 kmHigh 13.5°C · Low 7.7°C · 70 mm rain
- Bielefeld in OctoberGermany · 90 kmHigh 13.5°C · Low 7.5°C · 70 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 Hannover) is explained once on the Hannover year overview and on the Sources, method and limits page.