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Hannover in January: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Hannover in January will be like? Take a look at our weather guide for Hannover, based on historical data.
Check flight prices to Hannover on Avionero:
January

Weather in Hannover in January 2025

Uncomfortable Weather
Chill
🌧️
Rainy
If you are thinking of traveling to Hannover in January, think and plan carefully. The average daytime high temperature is usually around +39°F, and there are only about 2 sunny days in total throughout the whole month. Pack for extremes to ensure that you are as comfortable as possible. Search flights in one click on Avionero.
Good to know:
  • January is usually the coldest month of the year in Hannover;

Average weather

☀️
+39°F
Avg. max. temperature
-11°F
Min.
+63°F
Max.
52 mm
Total precipitation
85%
Avg. humidity
4 m/s
Avg. wind
2 ☀️
Sunny Days
10 ⛅️
Cloudy
12 🌦
Rainy
Our opinion: Hannover has uncomfortable weather in January.

Average temperature in Hannover in January

Here are the expected maximum, average and minimum temperatures in Hannover for January based on the historical data.
Last Year
Historical Data

Going from a maximum of +63°F during the day to a minimum of +27°F during the night, the temperature in January averages around +45°F.

The average maximum temperature goes down 55% by the end of the month, compared with the beginning of the month, from +63°F to +43°F.

Is Hannover warm or cold in January?

Hannover is typically chill in January.

Maximum temperatures go down compared to the previous month from +41°F to +39°F. The minimum temperature also goes down from +34°F to +32°F.

Pack a jumper 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

Hannover weather looks like this, on average, in January and the surrounding months.
DecemberJanuaryFebruary
Avg. temperature
+41°F+39°F+41°F
Min. temperature
0°F-11°F-6°F
Max. temperature
+63°F+63°F+68°F
Rainfall
57 mm52 mm38 mm
Wind
3 m/s4 m/s3 m/s
Humidity
87%85%82%
Air pressure
1014 HPa1015 HPa1016 HPa
Sunny days
223
Cloudy days
111010
Rainy days
13129
Snowy days
576

January weather is still as bad as in December. It’s getting colder in January. From +41°F in the day, the average maximum temperature lowers to +39°F. 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

Wind speed in Hannover in January based on historical data.
Last Year
Historical Data

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

Amount of rainfall in mm during January in Hannover based on historical data.
Last Year
Historical Data
Typically, there is a 71% chance of rain on an average day in January, with total rainfall of approximately 91 mm. The maximum amount of rainfall per day is around 10 mm, which is considered light rain. January is a pretty wet month with over 22 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how January is compared with other months in the amount of precipitation, total mm:
Hannover wettest month is July, where a typical day has a 58% chance of precipitation and 76 mm of rainfall per day. February, on the other hand, is the driest month with a mere 31% chance of precipitation and 38 mm of rainfall per day.

Snow

Amount of snow in mm during January in Hannover based on historical data.
Last Year
Historical Data
Typically, there is a 0% chance of snow on an average day in January, with a total monthly snowfall of approximately 4 mm.

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?

This is the weather in Hannover in January 2023:
1 January
☀️
+63°F
2 January
🌧️
+58°F
3 January
☀️
+48°F
4 January
🌧️
+54°F
5 January
🌧️
+51°F
6 January
☁️
+53°F
7 January
🌧️
+52°F
8 January
🌧️
+52°F
9 January
☁️
+49°F
10 January
☁️
+45°F
11 January
🌧️
+50°F
12 January
🌧️
+52°F
13 January
☁️
+51°F
14 January
🌧️
+52°F
15 January
☁️
+48°F
16 January
☀️
+44°F
17 January
☀️
+40°F
18 January
☀️
+37°F
19 January
🌧️
+37°F
20 January
☁️
+38°F
21 January
☁️
+36°F
22 January
🌧️
+36°F
23 January
☁️
+36°F
24 January
☁️
+35°F
25 January
☁️
+33°F
26 January
🌫️
+36°F
27 January
☁️
+39°F
28 January
☁️
+36°F
29 January
☁️
+38°F
30 January
🌧️
+44°F
31 January
🌧️
+44°F
In January 2023 Hannover had 5 sunny days, 13 cloudy days, and 12 rainy days. The average maximum temperature was +45°F, with an absolute maximum of +63°F and a minimum of +34°F. The average humidity was 86%, with a maximum of 99% and a minimum of 51%. The average wind speed was 4 m/s, with a maximum of 11 m/s and a minimum of 0 m/s.
Are you planning a trip in January?

Climate Change Over the Years

This is how Hannover climate has changed over the last 43 years.

The climate in Hannover in January has not changed that much over the last 43 years.

The average temperature was the lowest in 1987 (+52°F) and the highest in 2022 (+61°F). The driest year was 2018 with only 502 mm of rainfall, and the wettest year was 2023 with 1067 mm.

FAQ

Frequently asked questions about the weather in Hannover in January:

Is January a good time to visit Hannover?

There is never a bad time to go to Hannover, but the weather isn’t the best in January, so plan on enjoying the great indoor attractions of Hannover and pack for the extremes in weather.

Can you sunbathe in Hannover in January?

Not really, January is not the best time to sunbathe, unless you visit a local solarium.

Is Hannover rainy in January?

Hannover is often rainy in January. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Hannover in January?

Usually, it’s not very sunny in Hannover in January, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Germany

Check out the weather for 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.