Hannover, Lower Saxony, Germany climate
Average temperatures, precipitation and all-time records for Hannover, Lower Saxony, Germany, with every day graded against ~45 years of local climate history (1981–2026). Its warmest month is August, averaging a high of 23°C, and its coldest is January, with an average low of -2°C.
Hanover is the capital and largest city of the German state of Lower Saxony. Its population of 535,932 (2021) makes it the 13th-largest city in Germany as well as the fourth-largest in northern Germany after Berlin, Hamburg and Bremen. via Wikipedia
How today compares
Latest recorded day: 2026-07-21. Each reading placed on Hannover, Lower Saxony, Germany's own ±7-day seasonal distribution.
Hannover average temperatures by month
Typical daily high and low, and average precipitation, for each month in Hannover, Lower Saxony, Germany, based on 1981–2026 records. The wettest month is January (3 mm on an average day).
| Month | Avg high | Avg low | Avg precip |
|---|---|---|---|
| January | 3°C | -2°C | 3 mm |
| February | 4°C | -2°C | 3 mm |
| March | 9°C | 0°C | 3 mm |
| April | 13°C | 3°C | 3 mm |
| May | 18°C | 8°C | 3 mm |
| June | 21°C | 11°C | 3 mm |
| July | 23°C | 13°C | 3 mm |
| August | 23°C | 13°C | 3 mm |
| September | 19°C | 10°C | 3 mm |
| October | 14°C | 6°C | 3 mm |
| November | 8°C | 2°C | 3 mm |
| December | 4°C | -1°C | 3 mm |
Each bar spans the 10th-percentile daily low to the 90th-percentile daily high (the range most days fall within), coloured cold → hot on a shared -23°C to 46°C scale, so the whole year's rhythm reads at a glance.
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Record extremes
- Hottest day on record: 36°C on 2022-07-20
- Coldest day on record: -28°C on 1987-01-14
Percentiles compare each day to Hannover, Lower Saxony, Germany's own history, so grades are relative to this location: a “Near Record” day here isn't the same temperature as elsewhere. How the grades work →