In general the best time to visit Hannover is probably August, when the weather is usually great. The hottest months are June, July, August, while the coldest months are January, February, December.
May, June, July, August usually has good weather. Average maximum temperature reaches +73°F during July.
In February, March, April, September, October, November the weather is average. Expect around 87 rainy days, and the precipitation amounts to approximately 62 mm in October.
January, December bring not the best weather. January is the coldest month with the temperature going down to +32°F.
Climate in Hannover
Here is the detailed breakdown of the climate in Hannover for each month:
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Maximum Temperature
+63°F
+68°F
+75°F
+81°F
+90°F
+95°F
+102°F
+99°F
+90°F
+81°F
+70°F
+63°F
Average Maximum Temperature
+39°F
+41°F
+48°F
+57°F
+64°F
+70°F
+73°F
+73°F
+66°F
+57°F
+46°F
+41°F
Minimum Temperature
-11°F
-6°F
-6°F
+19°F
+30°F
+39°F
+45°F
+43°F
+34°F
+21°F
+18°F
0°F
Avg. water temperature
-
-
-
-
-
-
-
-
-
-
-
-
Humidity, %
85
82
77
71
71
72
72
73
79
83
86
87
Rain, mm
52
38
54
52
62
71
76
72
60
62
54
57
Snow, mm
14
12
8
1
0
0
0
0
0
0
5
13
Average wind speed, m/s
4
3
3
3
2
2
2
2
2
3
3
3
Sunny Days
2
3
4
6
7
5
5
5
6
4
3
2
Cloud Days
10
10
9
7
7
6
6
7
7
9
10
11
Rainy Days
12
9
14
16
16
16
18
17
16
17
15
13
Snowy Days
7
6
4
1
0
0
0
0
0
0
2
5
Average Temperature
Here are the average maximum and minimum temperatures in Hannover during the whole year:
The hottest month in Hannover is August with average maximum temperature going up to +73°F. The coldest month is January with the lowest temperatures of +32°F.
Humidity
The temperature feels different depending on humidity. Here is how humidity in Hannover looks throughout the year, in %:
The most humid month in Hannover is December with average humidity going up to 87%. The least humid month is April with an average humidity of 71%.
Rain
Amount of rainfall in mm. in Hannover during the whole year based on historical data:
The sunniest and driest month is May with approximately 7 sunny days and a total precipitation of around 62 mm. The rainiest and wettest month is July with approximately 18 rainy days and 76 mm of total precipitation.
Snow
Amount of snow in mm. in Hannover during the whole year based on historical data:
The snowiest month is January with approximately 7 snowy days.
FAQ
Frequently asked questions about the weather in Hannover:
What is the hottest month in Hannover?
The hottest month in Hannover is August with average maximum temperature of +73°F.
What is the coldest month in Hannover?
The coldest month in Hannover is January with minimum temperatures of +32°F.
Is Hannover worth visiting in winter?
Winter is usually not the best time to go to Hannover.
When does it rain the least in Hannover?
if you're looking to visit Hannover when it rains the least, you should plan your trip for July, August, June. During this time, rainfall is rare with the driest month being February with only 38 mm of rain.
Other cities in Germany
Check out the weather for other cities in Germany.
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.