Hannover, Germany, is known for its diverse climate, experiencing distinct seasons throughout the year. The city, located in northern Germany, has a sub-oceanic climate, which means it has mild to pleasantly warm summers and cold, gray winters.
Annually, the coldest month is January, where temperatures can drop to an average low of 31°F and have highs of around 39°F.
The warmest month is July, averaging highs of 73°F and lows around 56°F.
Understanding the climate and average weather in Hannover can be crucial for planning your visit or stay.
For instance, the cold season in Hannover lasts for about 3.8 months, from mid-November to early March, with average daily high temperatures below 46°F.
Residents and visitors can expect snow for several days in January, with snowfall typically accumulating up to 2.32 inches.
Hannover’s weather patterns are also influenced by its location in the northern hemisphere, contributing to the variations in temperature and precipitation throughout the year.
The city typically enjoys around 75.58 hours of sunshine per month, accumulating to about 2,303.68 hours annually.
This combination of temperatures and daylight hours makes Hannover a unique place with a changing yet predictable weather pattern.
For more detailed monthly weather data, you can refer to the charts and reports available here.
Average Temperature in Hannover, Germany
Hannover, Germany experiences varied temperatures throughout the year. The weather can be described as temperate, with noticeable differences between the summer and winter months.
Winter: January, the coldest month, sees average low temperatures around 31°F and highs around 39°F.
Spring: Temperatures gradually rise. By April, average high temperatures reach 57°F, while lows are around 39°F.
Summer: July is the hottest month with an average high temperature of 73°F and a low of 56°F. The summer months are mild, making for a pleasant time to visit.
Fall: In October, temperatures start dropping. Average highs are around 56°F, and lows reach 41°F.
Monthly Average Temperatures
| Month | Avg. High (°F) | Avg. Low (°F) |
|---|---|---|
| January | 39 | 31 |
| February | 41 | 30 |
| March | 49 | 35 |
| April | 57 | 39 |
| May | 66 | 48 |
| June | 70 | 53 |
| July | 73 | 56 |
| August | 72 | 55 |
| September | 66 | 50 |
| October | 56 | 41 |
| November | 47 | 36 |
| December | 40 | 32 |
Snowfall is common in January, often aggregating up to 2.32 inches.
Rainfall occurs throughout the year, even in the driest month. The average annual precipitation is 31.1 inches, contributing to the city’s lush surroundings.
Hannover’s climate balance between cold winters and mild summers makes it a unique place to experience different seasonal changes.
Average Precipitation in Hannover, Germany
Hannover experiences varying precipitation throughout the year, with both rainfall and snowfall contributing to its climate. Rainfall is spread out fairly evenly, while snowfall peaks in the winter months.
Average Rainfall in Hannover, Germany
Hannover receives notable rainfall year-round. The city’s annual precipitation amounts to approximately 31.1 inches. Rain is frequent, even during the driest month, which is typically February.
During July, the wettest month, Hannover can get up to 2.84 inches of rain.
April often has about 1.8 inches of rain, making it one of the months with lesser rainfall.
The city sees an average of 13.5 rainy days monthly, with the highest frequency in June and July.
| Month | Rainfall (inches) | Rainy Days |
|---|---|---|
| January | 2.05 | 14.0 |
| February | 1.5 | 11.0 |
| March | 1.8 | 13.0 |
| April | 1.8 | 12.0 |
| May | 2.2 | 12.0 |
| June | 2.7 | 15.0 |
| July | 2.84 | 14.0 |
| August | 2.7 | 13.0 |
| September | 2.05 | 12.0 |
| October | 2.2 | 13.0 |
| November | 2.05 | 14.0 |
| December | 2.5 | 14.0 |
Average Snow in Hannover, Germany
Snowfall in Hannover mainly occurs between November and March. January stands out with the highest snow accumulation, reaching up to 2.32 inches over 8.9 days.
Snowfall, although present, is less significant in comparison to rainfall.
February also sees around 1.97 inches of snow, making it another noteworthy month for snowfall.
Winters are cold and snowy, complementing the city’s sub-oceanic climate.
Annually, snowfall is less frequent than rainfall but adds a wintery charm from late autumn to early spring.
The cold weather conditions leading to snow and ice formation can also bring challenges, particularly in January and February when they frequently occur.
Average Sun in Hannover, Germany
Hannover experiences variations in daily sunlight throughout the year. The amount of solar energy, sunshine hours, and cloud cover all change based on the season.
Average Daily Shortwave Solar Energy in Hannover, Germany
The average daily shortwave solar energy received in Hannover varies significantly with the seasons.
In summer, particularly in July, Hannover enjoys the most sunlight of the year. On average, it receives around 6.3 kWh per square meter per day.
In contrast, winter months, especially December, see the lowest solar energy, with values dropping to about 0.9 kWh per square meter per day.
This variation impacts the daily hours of sunshine and the overall UV index.
| Month | Daily Solar Energy (kWh/m²) |
|---|---|
| January | 1.0 |
| February | 2.0 |
| March | 3.4 |
| April | 4.7 |
| May | 5.6 |
| June | 5.9 |
| July | 6.3 |
| August | 5.6 |
| September | 3.9 |
| October | 2.5 |
| November | 1.2 |
| December | 0.9 |
Hannover’s hourly UV index also peaks during summer months, indicating a higher potential for sunburn and the need for sun protection.
During winter, the UV index remains low, reflecting minimal exposure risk.
Monitoring these changes is important for outdoor activities and planning in Hannover.
Average Humidity in Hannover, Germany
Hannover experiences varying levels of relative humidity throughout the year. The highest relative humidity occurs in November and the lowest in July.
Monthly Humidity Levels
| Month | Average Relative Humidity (%) |
|---|---|
| January | 82 |
| February | 79 |
| March | 73 |
| April | 68 |
| May | 64 |
| June | 69 |
| July | 67 |
| August | 71 |
| September | 73 |
| October | 80 |
| November | 85 |
| December | 83 |
Other Key Points
- Dew Point: The dew point in Hannover changes with the seasons, indicating the amount of moisture in the air. During winter, it tends to be lower due to cooler temperatures, while in summer, the dew point is higher.
Average Wind in Hannover, Germany
The average wind speed in Hannover varies throughout the year.
Generally, the winds are stronger in the colder months and lighter in the summer.
Monthly Average Wind Speed
| Month | Average Wind Speed (mph) |
|---|---|
| January | 11.6 |
| February | 12.1 |
| March | 11.7 |
| April | 10.5 |
| May | 9.4 |
| June | 8.7 |
| July | 8.4 |
| August | 8.3 |
| September | 9.0 |
| October | 10.1 |
| November | 11.0 |
| December | 11.4 |
In addition to speed, wind direction plays a crucial role. Most of the wind in Hannover comes from the west and northwest.
Strongest winds are usually experienced during the winter months from November to February.
July and August have the lightest wind speeds, averaging around 8.3 to 8.4 mph.
Reading articles about wind can be useful to understand general weather patterns.
Being aware of the average wind can help when planning outdoor activities or travel.
Wind speeds are an important factor in weather forecasting and can impact daily life in various ways.
Average Air Quality in Hannover, Germany
Hannover’s air quality is generally considered moderate throughout the year.
The Air Quality Index (AQI) is a key measure used to assess air pollution levels.
Typically, Hannover’s AQI ranges from 50 to 100, indicating moderate air quality which may be a concern for sensitive individuals.
Monthly Air Quality Data
| Month | AQI | PM2.5 (µg/m³) | Visibility (miles) | Pressure (inHg) |
|---|---|---|---|---|
| January | 60 | 15 | 6 | 30.12 |
| February | 55 | 14 | 6.5 | 30.10 |
| March | 60 | 16 | 6 | 30.09 |
| April | 65 | 18 | 6.2 | 30.08 |
| May | 70 | 20 | 5.8 | 30.07 |
| June | 75 | 22 | 5.6 | 30.05 |
| July | 80 | 25 | 5.4 | 30.03 |
| August | 85 | 26 | 5.2 | 30.01 |
| September | 75 | 23 | 5.6 | 30.04 |
| October | 65 | 19 | 6.1 | 30.06 |
| November | 60 | 17 | 6.3 | 30.11 |
| December | 55 | 16 | 6.5 | 30.13 |
Factors Affecting Air Quality
Hannover’s air quality is influenced by several factors:
- Traffic: High vehicle use can increase pollution levels.
- Weather: Winds can disperse pollutants.
- Industries: Industrial activities in the area contribute to air quality variations.
For real-time data, visit the Hannover AQI page.
Understanding these factors helps residents manage their outdoor activities and stay aware of the air they breathe.
Topography of Hannover, Germany
Hannover is located in the northern part of Germany, in the state of Lower Saxony. The city lies on the Leine River and has a generally flat landscape.
The topography of Hannover is characterized by low-lying plains and gentle hills, making it accessible and easy to navigate.
The city spans a large area with various neighborhoods and districts, each having its own unique terrain features.
The most prominent natural feature is the Eilenriede, one of the largest urban forests in Europe, covering about 1,600 acres.
Hannover also boasts several lakes and parks that add to its diverse landscape. The Maschsee, an artificial lake, is a popular spot for recreational activities like boating and walking.
Here are a few key topographical highlights of Hannover:
- Eilenriede: A vast urban forest, ideal for hiking, cycling, and picnics.
- Maschsee: An artificial lake in the city center, offering leisure activities.
- Leine River: A river that flows through the city, providing scenic views and walking paths.
The following table highlights the elevation by month:
| Month | Elevation (ft) |
|---|---|
| January | 183 |
| February | 183 |
| March | 183 |
| April | 183 |
| May | 183 |
| June | 183 |
| July | 183 |
| August | 183 |
| September | 183 |
| October | 183 |
| November | 183 |
| December | 183 |
Hannover’s low elevation and flat terrain contribute to its moderate climate. The region is known for its relatively consistent weather patterns.
Extreme Weather Events That Occur in Hannover, Germany
Hannover experiences a variety of extreme weather events throughout the year. These events can include high winds, thunderstorms, and unusual temperature changes.
Thunderstorms often occur in late spring and summer. Lightning strikes and heavy rainfall are common during these storms. June sees a higher number of thunderstorms compared to other months.
High winds are frequent in the winter months. These winds can reach significant speeds and cause disruptions. December is usually the windiest month, often accompanied by rain.
The region has also faced extreme heat. During heatwaves, temperatures can soar above the average.
For more historical data on extreme temperatures in Hannover, visit this list of extreme temperatures in Germany.
Best Time of the Year to Visit Hannover, Germany
Hannover offers unique experiences throughout the year. Weather conditions vary greatly between seasons, so the best time to visit depends on the kind of activities you enjoy and what you want to experience.
What is Hannover, Germany Like in Spring
Spring in Hannover (March to May) is mild, with temperatures ranging from 40°F to 60°F.
Early in the season, you’ll find blooming flowers and fresh greenery. It’s a great time for outdoor activities like visiting the Herrenhausen Gardens. Rainfall can be steady but manageable.
Spring also brings local festivals like the Hanover Spring Festival.
This season offers a pleasant balance of not-too-hot and not-too-cold weather, making it perfect for exploring the city. Pack a light jacket and an umbrella for your visit.
What is Hannover, Germany Like in Summer
Summers in Hannover (June to August) are typically warm and pleasant.
Temperatures range from 58°F to 76°F. This is the best time for enjoying outdoor events like the Maschsee Lake Festival. The days are long with plenty of daylight for sightseeing.
July is the warmest month, averaging 75°F during the day. Rain is less frequent than in spring.
Many tourists visit during summer, so expect more crowds. Beaches around Lake Maschsee and various parks become popular spots.
Summer is ideal for walking tours, bike rides, and open-air concerts.
What is Hannover, Germany Like in Fall
Fall in Hannover (September to November) is cool and crisp.
Temperatures range from 40°F to 60°F. This season is perfect for enjoying autumn colors in the Eilenriede Forest. Rain becomes more common, especially in October.
Fall is also harvest season, making it a good time to visit farmers’ markets. The city gets quieter as tourists leave.
Festivals like Oktoberfest Hannover take place, bringing a festive atmosphere. Wearing layers is advisable, as the weather shifts from mild to chilly.
What is Hannover, Germany Like in Winter
Winters in Hannover (December to February) are cold and often snowy.
Temperatures range from 20°F to 40°F. January is the coldest month, frequently dipping below freezing.
Winters are great for enjoying Christmas markets and ice skating.
Outdoor activities are limited due to the cold, but indoor attractions like museums are popular.
Snowfall creates a picturesque winter scene.
Be sure to pack warm clothing, including hats, gloves, and scarves.
Winter is less crowded, making it a good time to explore without long lines.