Weather in Hannover in January 2025
- January is usually the coldest month of the year in Hannover;
Average weather
Average temperature in Hannover in January
Going from a maximum of +17°C during the day to a minimum of -3°C during the night, the temperature in January averages around +7°C.
The average maximum temperature goes down 55% by the end of the month, compared with the beginning of the month, from +17°C to +6°C.
Is Hannover warm or cold in January?
Hannover is typically cool in January.
Maximum temperatures go down compared to the previous month from +5°C to +4°C. The minimum temperature also goes down from +1°C to 0°C.
Pack a sweater and a jacket as there will be cooler temperatures.
January is the coldest month in Hannover, here is the comparison with other months:
Climate in Hannover in January
| December | January | February | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +5°C | +4°C | +5°C | ||||
| Min. temperature | ||||||
| -18°C | -24°C | -21°C | ||||
| Max. temperature | ||||||
| +17°C | +17°C | +20°C | ||||
| Rainfall | ||||||
| 57 mm | 52 mm | 38 mm | ||||
| Wind | ||||||
| 3 m/s | 4 m/s | 3 m/s | ||||
| Humidity | ||||||
| 87% | 85% | 82% | ||||
| Air pressure | ||||||
| 1014 HPa | 1015 HPa | 1016 HPa | ||||
| Sunny days | ||||||
| 2 | 2 | 3 | ||||
| Cloudy days | ||||||
| 11 | 10 | 10 | ||||
| Rainy days | ||||||
| 13 | 12 | 9 | ||||
| Snowy days | ||||||
| 5 | 7 | 6 | ||||
January weather is still as bad as in December. It’s getting colder in January. From +5°C in the day, the average maximum temperature lowers to +4°C. As January arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 57 mm to 52 mm. It feels drier, as humidity decreases from 87% to 85%. Winds are stronger in comparison to December, going up from 3 m/s to 4 m/s on average. The amount of sunny days stay about the same, averaging 2 sunny days during the month.
But maybe it is worth considering traveling in February as the weather gets better.
Wind
The average wind speed is 4 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Hannover is gradually increasing during January, going from 5 m/s to 7 m/s over the course of the month.
Rain
Snow
January is one of the snowiest months in Hannover.
Here’s how January is compared with other months in the amount of snow, total mm:
How was the weather last January in Hannover?
Climate Change over Years
The climate in Hannover in January has not changed much over the last 43 years.
The average temperature was the lowest in 1987 (+11°C) and the highest in 2022 (+16°C). The driest year was 2018 with only 502 mm of rainfall, and the wettest year was 2023 with 1067 mm.
FAQ
Is January a good time to visit Hannover?
Can you sunbathe in Hannover in January?
Is Hannover rainy in January?
Is it sunny in Hannover in January?
Other cities in Germany
Monthly weather in Hannover
Source of the data
For this page, we’ve looked at the typical weather in Hannover, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.