is not very cold for the latitude, it is often humid, windy and rainy. There may be relatively mild periods, when Atlantic currents prevail, and other colder periods, when the temperature drops below freezing and it can snow.
, in which temperatures can drop as low as -10 °C (14 °F) or even below. In fact, Scandinavian high pressure systems can reverse the normal circulation and bring very cold periods, which in the past were more frequent. The cold record is -25 °C (-12.5 °F), set in January 1940.
Even in spring, until April or the first half of May, there is often cold and unstable weather. In April, there may still be some snow showers.
, the temperatures are generally pleasant and lend themselves to outdoor activities, although there are cool and rainy periods, and sometimes thunderstorms can break out.
can occur, generally of short duration, which in recent years are becoming more frequent due to global warming, and in which the temperature can exceed 30 °C (86 °F). However, given the latitude and the short distance from the sea, the heat is less intense and lasting than in the central-southern German plains. On the hottest days of the year, the temperature typically reaches 34 °C (93 °F). The highest record is 39 °C (102.2 °F) and was set in July 2022. In August 2020, there were 8 days in a row with maximum temperatures ranging from 31 to 36 °C (88 to 97 °F).
to visit Hanover runs from mid-May to mid-September, since it is the warmest and sunniest period of the year. Sometimes, it can be hot in July and August, while in other circumstances, nights can be cool or even a little cold even in these months, so it can be useful to bring a sweatshirt or sweater and a light jacket.
. Here are the average temperatures.
January, the coldest month of the year, is generally a cold month. The average temperature is of
2 °C, with a minimum of
-0.4 °C and a maximum of
4.4 °C.
On the coldest nights of the month, the temperature usually drops to around
-10 °C. However, it dropped to
-20.9 °C in January 1997.
On the warmest days of the month, the temperature usually reaches around
11.5 °C. However, it reached
15.7 °C in January 1999.
Precipitation amounts to
55 mm, distributed over 11 days.
The day lasts on average 8 hours and 20 minutes.
There are on average 1.5 hours of sunshine per day. So, the sun shines 18% of the time.
The average humidity is 85%. Hence, the air is normally humid.
The average wind speed is of
16 kph.
February is generally a cold month. The average temperature is of
2.6 °C, with a minimum of
-0.4 °C and a maximum of
5.5 °C.
On the coldest nights of the month, the temperature usually drops to around
-8.5 °C. However, it dropped to
-18.2 °C in February 2012.
On the warmest days of the month, the temperature usually reaches around
13 °C. However, it reached
18.2 °C in February 2019.
Precipitation amounts to
40 mm, distributed over 9 days.
The day lasts on average 9 hours and 55 minutes.
There are on average 2.5 hours of sunshine per day. So, the sun shines 25% of the time.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is of
15.6 kph.
March is generally a quite cold month. The average temperature is of
5.4 °C, with a minimum of
1.4 °C and a maximum of
9.3 °C.
On the coldest nights of the month, the temperature usually drops to around
-5 °C. However, it dropped to
-12.2 °C in March 2010.
On the warmest days of the month, the temperature usually reaches around
17.5 °C. However, it reached
23.3 °C in March 2017.
Precipitation amounts to
45 mm, distributed over 10 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 3.5 hours of sunshine per day. So, the sun shines 31% of the time.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is of
15.4 kph.
April is generally a mild month. The average temperature is of
9.4 °C, with a minimum of
4.3 °C and a maximum of
14.6 °C.
On the coldest nights of the month, the temperature usually drops to around
-3 °C. However, it dropped to
-7.4 °C in April 2003.
On the warmest days of the month, the temperature usually reaches around
22.5 °C. However, it reached
27.7 °C in April 1996.
Precipitation amounts to
35 mm, distributed over 8 days.
The day lasts on average 14 hours and 0 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 41% of the time.
The average humidity is 69%.
The average wind speed is of
13.4 kph.
May is generally a mild month. The average temperature is of
13.4 °C, with a minimum of
8.1 °C and a maximum of
18.6 °C.
On the coldest nights of the month, the temperature usually drops to around
1.5 °C. However, it dropped to
-1.9 °C in May 2019.
On the warmest days of the month, the temperature usually reaches around
27 °C. However, it reached
32.1 °C in May 2018.
Precipitation amounts to
55 mm, distributed over 9 days.
The day lasts on average 15 hours and 50 minutes. So the days are long.
There are on average 7 hours of sunshine per day. So, the sun shines 43% of the time.
The average humidity is 68%.
The average wind speed is of
13.1 kph.
June is generally a very mild month. The average temperature is of
16.6 °C, with a minimum of
11.4 °C and a maximum of
21.7 °C.
On the coldest nights of the month, the temperature usually drops to around
5.5 °C. However, it dropped to
2.8 °C in June 1991.
On the warmest days of the month, the temperature usually reaches around
30.5 °C. However, it reached
35.7 °C in June 2019.
Precipitation amounts to
55 mm, distributed over 9 days.
The day lasts on average 16 hours and 50 minutes. So the days are long. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.
There are on average 7 hours of sunshine per day. So, the sun shines 42% of the time.
The average humidity is 69%.
The average wind speed is of
12.2 kph.
July, the warmest month of the year, is generally a warm month. The average temperature is of
18.7 °C, with a minimum of
13.5 °C and a maximum of
23.9 °C.
On the coldest nights of the month, the temperature usually drops to around
8.5 °C. However, it dropped to
6.1 °C in July 2019.
On the warmest days of the month, the temperature usually reaches around
31.5 °C. However, it reached
37.9 °C in July 2019.
Precipitation amounts to
70 mm, distributed over 10 days.
The day lasts on average 16 hours and 10 minutes. So the days are long.
There are on average 7 hours of sunshine per day. So, the sun shines 43% of the time.
The average humidity is 68%.
The average wind speed is of
11.9 kph.
August is generally a warm month. The average temperature is of
18.6 °C, with a minimum of
13.4 °C and a maximum of
23.7 °C.
On the coldest nights of the month, the temperature usually drops to around
8 °C. However, it dropped to
4.8 °C in August 1993.
On the warmest days of the month, the temperature usually reaches around
32 °C. However, it reached
37.4 °C in August 1992.
Precipitation amounts to
65 mm, distributed over 10 days.
The day lasts on average 14 hours and 35 minutes. So the days are long.
There are on average 6.5 hours of sunshine per day. So, the sun shines 44% of the time.
The average humidity is 69%.
The average wind speed is of
11.5 kph.
September is generally a very mild month. The average temperature is of
14.8 °C, with a minimum of
10.1 °C and a maximum of
19.4 °C.
On the coldest nights of the month, the temperature usually drops to around
4 °C. However, it dropped to
0.6 °C in September 2013.
On the warmest days of the month, the temperature usually reaches around
26.5 °C. However, it reached
32.3 °C in September 2018.
Precipitation amounts to
50 mm, distributed over 9 days.
The day lasts on average 12 hours and 35 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 40% of the time.
The average humidity is 76%. Hence, the air is normally humid.
The average wind speed is of
11.5 kph.
October is generally a mild month. The average temperature is of
10.4 °C, with a minimum of
6.7 °C and a maximum of
14 °C.
On the coldest nights of the month, the temperature usually drops to around
-0.5 °C. However, it dropped to
-6.6 °C in October 2003.
On the warmest days of the month, the temperature usually reaches around
21 °C. However, it reached
27.4 °C in October 2018.
Precipitation amounts to
55 mm, distributed over 10 days.
The day lasts on average 10 hours and 30 minutes.
There are on average 3.5 hours of sunshine per day. So, the sun shines 33% of the time.
The average humidity is 84%. Hence, the air is normally humid.
The average wind speed is of
12.9 kph.
November is generally a quite cold month. The average temperature is of
6 °C, with a minimum of
3.4 °C and a maximum of
8.5 °C.
On the coldest nights of the month, the temperature usually drops to around
-3.5 °C. However, it dropped to
-9.3 °C in November 1993.
On the warmest days of the month, the temperature usually reaches around
15.5 °C. However, it reached
19.6 °C in November 2014.
Precipitation amounts to
55 mm, distributed over 10 days.
The day lasts on average 8 hours and 40 minutes.
There are on average 1.5 hours of sunshine per day. So, the sun shines 20% of the time.
The average humidity is 87%. Hence, the air is normally humid.
The average wind speed is of
14.5 kph.
December is generally a cold month. The average temperature is of
2.9 °C, with a minimum of
0.6 °C and a maximum of
5.2 °C.
On the coldest nights of the month, the temperature usually drops to around
-8 °C. However, it dropped to
-19.9 °C in December 2009.
On the warmest days of the month, the temperature usually reaches around
12 °C. However, it reached
15.8 °C in December 2006.
Precipitation amounts to
55 mm, distributed over 12 days.
The day lasts on average 7 hours and 40 minutes. So the days are short. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
There are on average 1.5 hours of sunshine per day. So, the sun shines 17% of the time.
The average humidity is 86%. Hence, the air is normally humid.
The average wind speed is of
15.4 kph.