October Weather in Hannover, Germany

Last updated: February 26, 2025

In Hannover, Germany, October brings a remarkable transition in weather, showcasing maximum temperatures reaching 27°C (80°F), while the average dips to a crisp 12°C (53°F). As the month unfolds, residents and visitors may experience temperatures dropping to a chilly -2°C (29°F) during the night. With 73 mm (2.9 in) of rainfall dispersed over 14 days, October is characterized by notable humidity levels at 86%, prompting a cozy atmosphere that beckons warm layers and the occasional umbrella. Embrace the beauty of autumn as Hannover transforms, inviting all to enjoy its seasonal splendor.

October Temperature in Hannover

In Hannover, Germany, October marks a transition towards cooler weather, with temperatures ranging from a minimum of -2°C (29°F) to a comfortable average of 12°C (53°F) and a peak of 27°C (80°F). As autumn progresses, the city experiences a noticeable drop from the warmer days of September, where temperatures reached up to 32°C (90°F). The shift signifies the end of summer's lingering warmth, yet October's milder days still provide a pleasant climate for outdoor activities, especially when compared to the chill of the preceding months. The crisp air and changing leaves invite residents and visitors alike to embrace the season, making it a lovely time to explore Hannover's scenic parks and vibrant fall festivities.

October Weather in Hannover: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Hannover, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec373842485665666659534440
Data source: Temperature data for Hannover generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Hannover

October in Hannover showcases a notable transition as the city embraces the full swing of autumn. With 73 mm (2.9 in) of precipitation over 14 days, it's one of the wetter months of the year, signaling a shift from the milder September. This increase in rainfall contributes to the vibrant fall foliage, while the number of rainy days—a solid 14—rises compared to the previous month. As temperatures dip, residents can expect more frequent drizzles, enhancing the atmosphere of this picturesque month. Overall, October is a month of rich colors and soothing rains, a stark reminder of the cozy embrace of the approaching winter.

October Precipitation Trends in Hannover

The chart displays monthly precipitation patterns in Hannover, with values for each month alongside October's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec576264446367847160734569
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Hannover

October in Hannover, Germany, marks a noticeable increase in humidity as the seasons transition from the crispness of summer to the chill of autumn. With humidity levels rising to 86%, October follows the declining trend of warmer months, which saw June through August peaking at a relatively lower 66-67%. However, as the warmth ebbs, humidity creeps back up, reminiscent of the higher levels observed in the early part of the year, peaking again closer to January's 91%. This pattern underscores a seasonal rhythm where the air grows heavier as winter approaches, bridging the gap between the vibrant summer and the cool, damp winter months.

October Average Humidity in Hannover

This chart illustrates the average monthly humidity levels in Hannover, with October's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how October's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%82%73%66%66%67%81%86%90%90%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Hannover

As October rolls in, Hannover experiences a moderate UV Index of 3, signifying a mild increase in solar intensity compared to the preceding months. This transitional month sees a reduction in intensity from the summer highs, where July and June boasted very high levels with burn times as short as 15 minutes. With the cooler weather setting in, the risk of overexposure decreases, although a 30-minute burn time is still advised for those enjoying outdoor activities. This trend highlights a gradual shift from higher UV risks in the summer to a more manageable level in the fall, making this a great time to enjoy the outdoors safely. For more details on the UV Index, check out Hannover UV Index.

Maximum UV Index Levels in Hannover for October

The chart shows the monthly maximum UV Index (UVI) for Hannover in October, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Hannover October UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

October Sunshine in Hannover

As autumn settles in, Hannover experiences a notable shift in its sunshine hours, with October basking in 241 hours of golden light. This is a significant dip from the sun-soaked months of summer, with July peaking at 397 hours, yet October still holds its ground as one of the brighter months of fall. While the sunshine begins to recede, the city's charm remains vibrant, allowing residents and visitors alike to enjoy the crisp air and colorful foliage. As the days grow shorter, October's light serves as a gentle reminder of the abundance of sunshine from the preceding months, bridging the warmth of summer with the coziness of the approaching winter.

Monthly Sunshine Duration in Hannover: October Highlighted

The October sunshine duration represents the total number of hours Hannover experiences direct sunlight during the month of October, excluding cloudy or obstructed periods. This chart compares the sunshine duration of October with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec97h187h259h338h381h390h397h381h308h241h160h119h
Data source: Hannover October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Hannover During October

In Hannover, Germany, October offers a moderate chance of sunny weather, with approximately 27% of the month likely to see sunshine. While this does reflect a slight dip from the previous month's 33%, it remains notably higher than the dreary chances in the colder months of November and December, which plummet to 14% and 15%, respectively. The sunniest months, March with 37% and April with 35%, set a seasonal benchmark that October struggles to match, yet it still invites occasional bright days. As autumn unfolds, residents can expect fluctuating weather, but the lingering warmth and brilliance of early fall keep the optimism for sunny spells alive.

Percentage of Sunny Days in October in Hannover

The chart illustrates the percentage of sunny days in Hannover throughout the year, with October highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Hannover experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec12%23%37%35%29%27%26%29%33%27%15%15%
Data source: Hannover October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Hannover in October

In Hannover, Germany, the experience of daylight undergoes a remarkable transformation throughout the year, with October serving as a pivotal transition point. After basking in the long, sunlit days of summer, where June and July boast a generous 16 hours of daylight, October brings a noticeable shift as daylight declines to 10 hours. This reduction is part of a gradual descent into the shorter days of autumn and winter, as we move toward November's further decrease to just 8 hours. The month signifies a balancing act between lingering fall brightness and the impending twilight of winter, embodying the rhythm of the seasons and reminding us of nature's ever-changing cycles. As leaves turn and temperatures cool, October's daylight invites reflection and a cozy embrace of the changing landscape.

Average Daylight Hours in Hannover for October

The chart illustrates the variation in daylight duration in Hannover throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 18m9h 55m11h 54m13h 56m15h 43m16h 39m16h 9m14h 33m12h 35m10h 34m8h 45m7h 47m
Data source: Hannover daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Hannover

As October arrives in Hannover, Germany, the winds pick up, averaging 3.9 m/s (9 mph)—a noticeable increase compared to the calmer summer months. During June and July, wind speeds dip to around 2.3 m/s (5 mph) and 2.7 m/s (6 mph), offering a gentle breeze ideal for outdoor activities. However, as the leaves begin to turn in autumn, the winds re-energize, hinting at the seasonal shift. While October's gusty weather signals a change, it still maintains a moderate pace, offering a refreshing contrast to the earlier months of the year. This trend of increasing wind speeds continues into November, where a slight drop back to 3.4 m/s (8 mph) occurs, suggesting that while October brings more brisk conditions, Hannover's winds remain relatively consistent throughout the colder months.

Average October Wind Speed in Hannover

The chart displays monthly wind speed patterns in Hannover, with values for each month shown alongside October's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how October's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.63.43.53.43.62.32.73.22.73.9 m/s3.43.6
Data source: Hannover October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Hannover Compares to Other Months

The weather in Hannover changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of October's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Hannover and find detailed weather information for every month.

October and January present contrasting weather patterns. In October, temperatures fluctuate more dramatically, with a minimum of -2°C (29°F), an average of 12°C (53°F), and a maximum of 27°C (80°F), alongside 73 mm (2.9 in) of precipitation over 14 days, contributing to a relatively high humidity of 86%. In contrast, January is colder, showing a minimum of -10°C (14°F), an average temperature of 3°C (38°F), and a maximum of 14°C (58°F). Precipitation is slightly lower at 57 mm (2.2 in), spread over 11 days, but humidity remains high at 91%. For more specific insights, check out Hannover weather in January.

In October, temperatures range from a chilly -2°C (29°F) at their lowest to a warm 27°C (80°F) at their peak, with an average of 12°C (53°F). The month is characterized by relatively high humidity at 86% and moderate rainfall, totaling 73 mm (2.9 in) over about 14 days. In contrast, February brings much colder conditions, where temperatures can dip as low as -19°C (-3°F) and peak at 19°C (67°F), averaging around 4°C (39°F). Despite having slightly less precipitation at 62 mm (2.4 in) and fewer rainy days (11), February experiences even higher humidity levels at 89%. For a more detailed look at February weather, visit Hannover weather in February.

October and March present distinct weather characteristics, each with its own charm. In October, temperatures range from a chilly -2°C (29°F) at night to a warm 27°C (80°F) during the day, averaging around 12°C (53°F). The month experiences an average of 73 mm (2.9 in) of precipitation over about 14 days, coupled with a high humidity level of 86%.

In contrast, March is typically colder, with minimum temperatures plummeting to -11°C (13°F), while daytime highs reach up to 21°C (71°F), making for an average of 6°C (43°F). Although March sees slightly less precipitation at 64 mm (2.5 in) over approximately 13 days, the humidity remains comparable at 87%. For more details about the weather in this month, visit Hannover weather in March.

When comparing the weather in October and April, October tends to feature a wider range of temperatures, from a chilly minimum of -2°C (29°F) to a warm maximum of 27°C (80°F), with an average temperature of 12°C (53°F). In contrast, April sees slightly cooler conditions, with temperatures ranging from a minimum of -4°C (24°F) to a maximum of 27°C (81°F) and an average of 9°C (49°F). Precipitation is also more prevalent in October, with about 73 mm (2.9 in) falling over 14 days, compared to April's 44 mm (1.7 in) over 9 days. Additionally, October has a higher humidity level at 86%, while April maintains a slightly lower humidity of 82%. For more details on April's climate, you can check out Hannover weather in April.

October and May present contrasting weather patterns. In October, temperatures can drop as low as -2°C (29°F) and reach a pleasant maximum of 27°C (80°F), with an average of 12°C (53°F). The month is characterized by higher humidity at 86% and more frequent rainfall, totaling about 73 mm (2.9 in) over 14 days. Conversely, May features slightly warmer temperatures, starting from a minimum of 0°C (32°F) and peaking at 31°C (88°F), with an average of 13°C (56°F). This month experiences less rainfall, around 63 mm (2.5 in) across 11 days, and a lower humidity level of 73%. For more detailed insights, check out Hannover weather in May.

The weather in October exhibits a wider temperature range, with morning lows dipping to -2°C (29°F) and daytime highs reaching 27°C (80°F), averaging around 12°C (53°F). In contrast, June offers milder conditions, characterized by minimum temperatures of 4°C (39°F) and maximums soaring to 33°C (92°F), resulting in an average of 18°C (65°F). While both months see considerable precipitation, October experiences slightly more rainfall (73 mm over 14 days) compared to June's 67 mm over 11 days, alongside higher humidity levels in October at 86% versus June's 66%. For more detailed insights into June weather, check out Hannover weather in June.

When comparing the weather in October to that of July, we can see distinct differences in both temperature and humidity levels. October experiences cooler temperatures, with a minimum of -2°C (29°F) and an average of 12°C (53°F), while July boasts significantly warmer averages, hitting a minimum of 7°C (44°F) and averaging 19°C (66°F). Additionally, July can reach higher maximum temperatures, peaking at 37°C (98°F) compared to October's maximum of 27°C (80°F). Precipitation levels are fairly close, with October receiving 73 mm (2.9 in) across 14 days, whereas July sees slightly more with 84 mm (3.3 in) over 11 days. Another notable difference is in humidity; October is much more humid at 86%, compared to July's 66%. For more information regarding weather patterns specific to July, check out Hannover weather in July.

In comparing the weather of October and August, October tends to be cooler, with a minimum temperature dropping to -2°C (29°F) and an average of 12°C (53°F), whereas August enjoys milder temperatures, ranging from a minimum of 6°C (44°F) to a maximum of 36°C (97°F) and an average of 19°C (67°F). Both months experience similar levels of precipitation, with October receiving 73 mm (2.9 in) over 14 days and August just slightly less at 71 mm (2.8 in) over 12 days. However, October's relative humidity is significantly higher at 86%, compared to August's more comfortable 67%. For more details on August weather, you can check out Hannover weather in August.

In September, temperatures in the region typically range from a minimum of 1°C (34°F) to a maximum of 32°C (90°F), with an average of 15°C (59°F). The month experiences around 59 mm (2.3 in) of precipitation over approximately 10 days, accompanied by a humidity level of 81%. In contrast, October sees cooler temperatures, with a minimum of -2°C (29°F) and an average of 12°C (53°F), peaking at 27°C (80°F). Precipitation increases to 73 mm (2.9 in) spread across 14 days, and humidity rises slightly to 86%. For a closer look at September weather patterns, you can refer to Hannover weather in September. Overall, October's weather is marked by a notable drop in temperature and increased precipitation compared to September.

October and November present a notable shift in weather patterns. In October, temperatures can range from a chilly -2°C (29°F) at night to a warm 27°C (80°F) during the day, with an average temperature of around 12°C (53°F). This month also sees a higher amount of precipitation at 73 mm (2.9 in) over 14 days, contributing to a humidity level of 86%.

As November arrives, temperatures dip slightly lower, with minimums hitting -3°C (27°F) and maxing out at 20°C (69°F), leading to a cooler average of 7°C (44°F). This month experiences less precipitation at 45 mm (1.8 in) over 10 days, alongside a slight increase in humidity to 90%. To learn more about specific weather details in November, visit Hannover weather in November.

In October, temperatures in Hannover typically range from a chilly -2°C (29°F) at night to a mild 27°C (80°F) during the day, with an average of 12°C (53°F). The month sees about 73 mm (2.9 in) of precipitation over approximately 14 days, coupled with relatively high humidity at 86%. In contrast, December brings colder weather, with minimum temperatures dropping to -10°C (14°F) and daily highs seldom exceeding 14°C (58°F), averaging just 4°C (40°F). Precipitation in December is slightly lower at 69 mm (2.7 in) but occurs over 15 days, with humidity rising to 90%. For a more detailed look at Hannover's winter conditions, you can refer to the Hannover weather in December.

Compare Hannover's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Hannover

As October unfolds in Hannover, the city experiences a notable shift in weather patterns. While temperatures can still reach a warm 27°C, a significant drop is also possible, with chilly nights dipping to around -2°C. The blend of mild days and crisp evenings marks a clear transition into autumn, as the average temperature settles at about 12°C. This month is characterized by higher humidity levels at 86% and considerable precipitation, totaling around 73 mm over 14 rainy days. Such variability sets October apart from the preceding summer months, offering residents and visitors a refreshing yet unpredictable climate. For a deeper dive into Hannover's climatic trends, explore Hannover Climate.