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Contents
- The climate of Hanover
- The best time to visit Hanover
- The worst time to visit Hanover
- Spring weather in Hanover
- Summer weather in Hanover
- Autumn weather in Hanover
- Winter weather in Hanover
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
The climate of Hanover
Sharing the latitude with maritime trading centers of Alnwick, England, and Trondheim, Norway, Hanover basks under a climate that bears the Köppen designation "Cfb," known as "Marine west coast, warm summer." The location benefits from a fairly moderate climate which sees a significant dip during the winter months with average high temperatures dropping to 3°C (37.4°F) and lows dipping into the negatives at -0.9°C (30.4°F). Conversely, the highest temperatures are mostly prominent in July and August, reaching up to 23.8°C (74.8°F) with a low of 14°C (57.2°F).
Following a seasonal pattern, the city undergoes varying relative humidity throughout the year, peaking at 88% in December and January, and falling to a yearly low of 70% in August. The volume of precipitation also changes with the season, with the highest monthly rainfall of 53mm (2.09") in July. Generally, each month experiences relatively significant rainfall between 22mm (0.87") and 53mm (2.09"). Unusually, snowfall is not a major contributor to the annual precipitation, with the months from May to September seeing no snow at all.
Furthermore, wind speeds can peak to a high gust of 26.9km/h (16.7mph) in December. Days with ample sunlight and daylight hours fluctuate from as much as 16.7 hours in June to a brief 7.8 hours in December. However, the city receives a considerably decent amount of sunshine throughout the year, ranging from a low of 3.5 hours in December to a high of 9.8 hours in August.
Following a seasonal pattern, the city undergoes varying relative humidity throughout the year, peaking at 88% in December and January, and falling to a yearly low of 70% in August. The volume of precipitation also changes with the season, with the highest monthly rainfall of 53mm (2.09") in July. Generally, each month experiences relatively significant rainfall between 22mm (0.87") and 53mm (2.09"). Unusually, snowfall is not a major contributor to the annual precipitation, with the months from May to September seeing no snow at all.
Furthermore, wind speeds can peak to a high gust of 26.9km/h (16.7mph) in December. Days with ample sunlight and daylight hours fluctuate from as much as 16.7 hours in June to a brief 7.8 hours in December. However, the city receives a considerably decent amount of sunshine throughout the year, ranging from a low of 3.5 hours in December to a high of 9.8 hours in August.
The best time to visit Hanover
The city truly comes alive during the summer season, which aligns with the months of June to August. With temperatures varying from a pleasant 21.2°C (70.2°F) to 23.8°C (74.8°F), visitors can ensure to make full use of extended daylight hours which can stretch to 16.7 hours in June. Although accompanying rains may briefly interrupt outdoor enjoyment, longer daylight hours and increased sunshine allow ample time to explore in clear light. Moreover, the relative humidity holds steady between 70% and 75%.
The worst time to visit Hanover
Winter season, encompassing the months of December to February, could potentially be challenging for visitors, particularly those indisposed to the cold. Temperatures can plummet below freezing to -0.9°C (30.4°F) in January. From December to February, snowfall appears, peaking at 59mm (2.32") in January while the observable daylight hours dwindle to as few as 7.8 in December.
Spring weather in Hanover
Late March signals the arrival of Spring, as temperatures rebound from the chill of winter to average between 1.8°C (35.2°F) and 14.8°C (58.6°F). This shift aligns with a noticeable rise in daylight hours and sunshine with a maximum of 14 hours and 8.9 hours in April respectively. Precipitation persists fairly constant throughout the season, varying from 22mm (0.87") in April to 40mm (1.57") in March.
Summer weather in Hanover
Summer graces Hanover with warm temperatures ranging from an enjoyably mild 17.7°C (63.9°F) in May to a peak of 23.8°C (74.8°F) in August. Long days, peaking at a substantial 16.7 daylight hours in June, complement the enjoyable temperatures. Despite the fact that summer receives the highest levels of precipitation, the city remains bathed in sunlight for an appreciable portion of the day.
Autumn weather in Hanover
Autumn commences in September and gradually leads the city into the chillier winter season. Regardless, the temperate climate ensures bearable conditions throughout the months of September to November, with temperatures transitioning from 19.1°C (66.4°F) to 4.7°C (40.5°F). During these months, rainfall levels fluctuate between 32mm (1.26") and 47mm (1.85"), providing the city with a seemingly constant sparkle after the rains.
Winter weather in Hanover
As winter tightens its grip on Hanover, temperatures plunge to allow an average low of -0.9°C (30.4°F) in January. The daylight hours during these colder months dwindle down to 7.8 hours in December, thus reducing the window of exploration. It is also during the winter months that Hanover experiences snowfalls, a change from the dominant rainfall of the other seasons.
Weather in January
January in Hanover, Germany is characterized as deep winter, with temperatures often taking a dip into chilling territory. The highest snowfall volume of 59mm (2.32") is observed in this month, making it the snowiest period of the year. Weather in January »
Weather in February
Moving ahead to February, a slight elevation in temperature is noticed compared to January. However, it remains a cold month with temperatures hovering from -0.7°C (30.7°F) to 4.3°C (39.7°F). The number of snowy days drops compared to the previous month, signifying the advance towards the end of the winter season. Weather in February »
Weather in March
Weather in March sees a considerable shift, possessing a spring-like feel. With an evident drop in snowfall to 22mm (0.87"), it marks the end of the heavy winter snow. Days grow longer and a noticeable amount of increased sunshine finally breaks the monotony of the winter grey. Weather in March »
Weather in April
In April, Hanover welcomes the full bloom of spring. April averages a high temperature of 14.8°C (58.6°F) which showcases a significant climb from March and paves the way for warmer days. Increased hours of daylight and sunshine add more warmth to the daily life. Weather in April »
Weather in May
May ushers in pleasant climatic conditions in Hanover, with a noticeable shift to higher temperatures. The relative humidity is at 75%, causing no discomfort even though the temperatures tend towards the higher side. Daylight extends to over 15 hours a day supporting outdoor activities for longer periods. Weather in May »
Weather in June
June in Hanover hints at the approaching summer period. The temperature finds its footing in the warm territory, with no sign of snowfall. Longest daylight hours are recorded in this month, stretching onwards for 16.7 hours on average. Weather in June »
Weather in July
July ushers in the prime summer condition in Hanover, marked by the highest concentrations of temperature and daylight within the year. With temperatures rising from 13.3°C (55.9°F) to 23.7°C (74.7°F), it is the warmest month of the year. Weather in July »
Weather in August
The month of August brings with it "Hochsommer" or high summer in Hanover, Germany. The temperature remains stable from July with the highs almost matching the previous month. The summer warmth remains in its full glory providing ample opportunities for outdoor explorations and riverside festivities. Weather in August »
Weather in September
September marks the beginning of the transition period from summer to autumn in Hanover. The typical summer high temperatures start to drop, descending to an average high of 19.1°C (66.4°F). While the warmth of the sun can still be felt, the sudden drop in temperature in the evenings remind of the imminent arrival of fall. Weather in September »
Weather in October
The arrival of October in Hanover brings with it a crisp autumnal chill, with average temperatures dropping further compared to September. Daylight shortens to around 10.6 hours with the sun starting to set earlier. This is also the period when the city prepares to bid farewell to its lush summer greenery. Weather in October »
Weather in November
November pauses the color carnival of October and previews the onset of Hanover's winter. With the decline in temperature from 3.8°C (38.8°F) to 8.3°C (46.9°F), there's a return to chillier days and colder nights. Daylight and sunshine hours also diminish, hinting at the coming winter. Weather in November »
Weather in December
Initially, December welcomes Hanover with a winter chill, and towards the end, prepares the city to bid adieu to the year under the soft blanket of snow. Snowfall starts again after a gap of several months, flickering its initial signs of 56mm (2.2") during this period. Weather in December »
Updated: Feb 14, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Hanover?
January, with an average high of 3°C (37.4°F) and a low of -0.9°C (30.4°F), signifies the coldest month of the year.
What are the most humid months in Hanover?
January and December, with an average relative humidity of 88%, are most humid months in Hanover, Germany.
How many days does it rain in Hanover?
Throughout the year, there are 187.8 rainfall days, and 489mm (19.25") of precipitation is accumulated.
When does it snow in Hanover?
January through April, November and December are months with snowfall in Hanover, Germany.
What is the snowiest month in Hanover?
The month with the most snowfall in Hanover is January, when snow falls for 8.9 days and typically aggregates up to 59mm (2.32") of snow.
How much does it snow in Hanover?
Throughout the year, there are 28.6 snowfall days, and 197mm (7.76") of snow is accumulated.
What is the month with the lowest UV index in Hanover?
The months with the lowest UV index in Hanover are January, February, November and December, with an average maximum UV index of 2.
What is the driest month in Hanover?
April is the month with the least rainfall. Rain falls for 13.9 days and accumulates 22mm (0.87") of precipitation.
When it does not snow in Hanover?
In Hanover, Germany, snow does not fall in May through October.
When are the longest days in Hanover?
June has the longest days of the year in Hanover, Germany, with an average of 16h and 42min of daylight.
What is the month with the highest UV index in Hanover?
June through August, with an average maximum UV index of 5, are months with the highest UV index.
What is the rainiest month in Hanover?
July is the month with the most rainfall in Hanover. Rain falls for 18.3 days and accumulates 53mm (2.09") of precipitation.
What time of the year is the hottest in Hanover?
Hanover's August weather reaches an average high of 23.8°C (74.8°F) and an average low of 14°C (57.2°F), making it the warmest month.
What is the least humid month in Hanover?
August is the least humid month, with an average relative humidity of 70%.
What month has the most sunshine in Hanover?
August has the most sunshine of the year in Hanover, Germany, with an average of 9.8h of sunshine.
When is Daylight Saving Time (DST) in Hanover?
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.
What is the month with the shortest days in Hanover?
The month with the shortest days in Hanover is December, with an average of 7h and 48min of daylight.
What is the month with the least sunshine in Hanover?
The month with the least sunshine is December, with an average of 3.5h of sunshine.
Average temperature
Hanover, Germany
The warmest month (with the highest average high temperature) is August (23.8°C).
The month with the lowest average high temperature is January (3°C).
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (-0.9°C).
Average pressure
Hanover, Germany
- Average pressure in January:
1015.3mbar - Average pressure in February:
1015mbar - Average pressure in March:
1015.8mbar - Average pressure in April:
1016mbar - Average pressure in May:
1016.1mbar - Average pressure in June:
1015.7mbar
- Average pressure in July:
1015mbar - Average pressure in August:
1015.5mbar - Average pressure in September:
1017.2mbar - Average pressure in October:
1016.7mbar - Average pressure in November:
1013mbar - Average pressure in December:
1015.2mbar
The month with the highest atmospheric pressure is September (1017.2mbar).
The month with the lowest atmospheric pressure is November (1013mbar).
Average wind speed
Hanover, Germany
- Average wind speed in January:
15.5km/h - Average wind speed in February:
15.6km/h - Average wind speed in March:
14.4km/h - Average wind speed in April:
12.5km/h - Average wind speed in May:
12.2km/h - Average wind speed in June:
11.7km/h
- Average wind speed in July:
11.6km/h - Average wind speed in August:
11.2km/h - Average wind speed in September:
11.6km/h - Average wind speed in October:
13.2km/h - Average wind speed in November:
13.6km/h - Average wind speed in December:
16.2km/h
The windiest month (with the highest average wind speed) is December (16.2km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).
Average humidity
Hanover, Germany
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is August (70%).
Average rainfall
Hanover, Germany
The wettest month (with the highest rainfall) is July (53mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days
Hanover, Germany
- Average rainfall days in January:
14.9 days - Average rainfall days in February:
13.4 days - Average rainfall days in March:
15 days - Average rainfall days in April:
13.9 days - Average rainfall days in May:
18.3 days - Average rainfall days in June:
17.9 days
- Average rainfall days in July:
18.3 days - Average rainfall days in August:
16.1 days - Average rainfall days in September:
13.8 days - Average rainfall days in October:
14.7 days - Average rainfall days in November:
14.9 days - Average rainfall days in December:
16.6 days
The months with the highest number of rainy days are May and July (18.3 days).
The month with the least rainy days is February (13.4 days).
Average snowfall
Hanover, Germany
The month with the highest snowfall is January (59mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days
Hanover, Germany
- Average snowfall days in January:
8.9 days - Average snowfall days in February:
7.3 days - Average snowfall days in March:
3.5 days - Average snowfall days in April:
0.8 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
1.6 days - Average snowfall days in December:
6.5 days
The month with the highest number of snowfall days is January (8.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Hanover, Germany
- Average daylight in January:
8h and 2min - Average daylight in February:
9h and 5min - Average daylight in March:
11h and 5min - Average daylight in April:
14h and 0min - Average daylight in May:
15h and 5min - Average daylight in June:
16h and 4min
- Average daylight in July:
16h and 1min - Average daylight in August:
14h and 4min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 4min - Average daylight in November:
8h and 5min - Average daylight in December:
7h and 5min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in January:
3h and 4min - Average sunshine in February:
3h and 4min - Average sunshine in March:
5h and 3min - Average sunshine in April:
8h and 5min - Average sunshine in May:
8h and 4min - Average sunshine in June:
8h and 5min
- Average sunshine in July:
9h and 2min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 2min - Average sunshine in October:
4h and 5min - Average sunshine in November:
4h and 3min - Average sunshine in December:
3h and 3min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days
Hanover, Germany
- Average sunshine days in January:
9.3 days - Average sunshine days in February:
10 days - Average sunshine days in March:
11.8 days - Average sunshine days in April:
12.4 days - Average sunshine days in May:
10.3 days - Average sunshine days in June:
10.1 days
- Average sunshine days in July:
10 days - Average sunshine days in August:
12.1 days - Average sunshine days in September:
12.8 days - Average sunshine days in October:
14.1 days - Average sunshine days in November:
12 days - Average sunshine days in December:
7.5 days
The month with the most sunshine days is October (14.1 days).
The month with the least sunshine days is December (7.5 days).
Average UV index
Hanover, Germany
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Hanover, Germany
The month with the most cloud cover is December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility
Hanover, Germany
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February, November and December (8km).
