Average daily temperature during the week of 7 July 2025 - 13 July 2025 was 23 °C (73 °F), average minimal (night) temperature was 14 °C (57 °F). The current temperatures are roughly same as the long-term average for Hannover, with the daily and nighttime temperatures being 24 °C (75 °F) and 13 °C (55 °F), respectively. The average temperatures during different times of day (local time) were following: 7am 15 °C (59 °F), 10am 19 °C (66 °F), 1pm 21 °C (70 °F), 4pm 22 °C (72 °F), 7pm 21 °C (70 °F), 10pm 17 °C (63 °F).

The week had 1 day without rain, 4 days with light rain, 1 day with moderate rain and 1 day with heavy rain. During the whole week, total of 88 mm (3.46 in) of precipitation was observed, which is above the long term average for Hannover, which is 16 mm (0.63 in). From dawn to dusk, there was an average of 47 % cloud coverage during the day. Meteorologically speaking, mist was observed.

The wind's speed averaged 3.8 m/s. The most common wind direction(s) were North-West and West. The atmosferic pressure ranged from 1001 hpa to 1022 hpa. The average air humidity was 79 % in Hannover.

On average, there were 7 hours clear skies, 2 hours partially overcast skies, 6 hours overcast skies and 2.5 hours rainy weather during the daytime (from dawn to dusk). The sunrise on average occurred at 05:11, and the sunset occurred at 21:41.

Weather overview

The city of Hannover in Germany is characterized by a temperate climate with varying day temperatures ranging from an average low of 4 °C (40 °F) in the cold month of January to a welcoming average high of 24 °C (75 °F) in the warm month of July. The lowest night temperatures are typically experienced in January, hitting an average of -1 °C (30 °F). Conversely, the warmest nights occur in July with temperatures reaching an average of 13 °C (56 °F). Amidst these overall trends, April stands out as the month with the least precipitation, recording an average of 10 days with rainfall, while January is noted for having the highest frequency of rainy days, averaging at 13 days. Overall, Hannover's weather patterns show a blend of clear skies and rain throughout the year, which contributes to its mild climate.

January weather

In Hannover, the minimum daytime temperature is recorded at 4 °C (40 °F), with equally significant minimum nighttime levels at -1 °C (30 °F). The peak number of rainy days is registered this month, topping at 13 days. An increase in the number of sunlit hours begins now, while wind speeds reach their zenith.

February weather

Hannover starts to experience a mild uptick in daytime temperatures, now averaging 5 °C (41 °F). The quantity of rainfall is at its lowest for the year, accumulating to 42 mm (1.65 in), and there is a noticeable decrease in the number of rainy days. The duration of sunlight continues its upward trend, now averaging 3 hours.

March weather

The ascending pattern of daytime temperatures becomes more pronounced at 9 °C (49 °F) in Hannover, coupled with the initial rise in nighttime temperatures, reaching 1 °C (34 °F). The rainfall volume starts to swell this month, and the continued ascendancy in the number of hours of sunshine is evident, now at 3 hours.

April weather

Daytime warmth escalates further to 15 °C (58 °F) in Hannover, while nighttime temperatures also see a rise, marked at 4 °C (40 °F). The minimal number of rainy days occurs in April, and a decline in rainfall volume commences, noted at 42 mm (1.66 in). The sunny hours stretch even longer, up to 5 hours.

May weather

A steady increase in May's daytime temperatures is observed, with values reaching 19 °C (67 °F) in Hannover. The beginning of a climb in the number of rainy days is evident, at 10 days, matched by a rise in the total rainfall at 58 mm (2.28 in). As the tourist season launches, the peak of sunlit hours is recorded. Minimum humidity is experienced this month.

June weather

June initiates the peak of the tourist season in Hannover. Rainy days persist, averaging 12 days, and rainfall continues to ascend to 67 mm (2.63 in). Elevating day and night temperatures reach 22 °C (71 °F) and 11 °C (52 °F), respectively. Daylight achieves its maximum duration at 16 hours.

July weather

Tourist influx nears its peak amidst the maximum daytime temperature reaching 24 °C (75 °F), while nighttime warmth also hits a high at 13 °C (56 °F). Wind speeds decrease to their minimum, registering at 3. Rainfall peaks at 68 mm (2.69 in).

August weather

The start of a decline in rainy days is noted, coming in at 12 days, while the tourist season maintains its momentum.

September weather

Tourists continue to enjoy Hannover in September, with a downturn in both day and nighttime temperatures. The number of rainy days also declines slightly to 11 days, and rainfall begins its descent. The reduction in sunlit hours becomes noticeable, now at 5 hours.

October weather

Daytime temperatures in October continue their fall, averaging 14 °C (58 °F) in Hannover, as do the nighttime temperatures, averaging 6 °C (43 °F). The diminishing number of sunlit hours continues apace, now documenting 3 hours.

November weather

A rise in the number of rainy days is noted, averaging 12 days, while temperatures continue their descent, with the day averaging 9 °C (47 °F) and the night at 3 °C (37 °F). The downfall in hours of sunshine is apparent, now at 2 hours.

December weather

December follows the trend with more rainy days, at an average of 13 days, and the commencement of a rise in rainfall volume is observed. Daytime temperatures continue their decline, averaging 5 °C (41 °F), and night temperatures descend as well, now at 0 °C (32 °F). The shortest number of sunlit hours is evident, with values of 1 hour. Day length also scales back to its minimum, measured at 8 hours.

What is the lowest daytime temperature I can expect in Hannover in January?

The coldest daytime temperature in January in Hannover typically reaches 4 °C (40 °F).

How much rainfall should I anticipate in February in Hannover?

In February, Hannover receives an average rainfall of 42 mm (1.65 in).

How warm does it get during the day in Hannover in March?

March in Hannover sees daytime temperatures rising to an average high of 9 °C (49 °F).

How much does it usually rain in April in Hannover?

In Hannover, the typical rainfall for April averages around 42 mm (1.66 in).

How high is the humidity level in Hannover in May?

In May, Hannover's relative humidity typically drops to its lowest, averaging around 73 %.

How would you describe the daylight duration in Hannover in June?

June enjoys the longest days in Hannover, with daylight stretching for about 16 hours.

Is July the warmest month in Hannover?

Indeed, July is typically the warmest month in Hannover, boasting an average daytime temperature of 24 °C (75 °F).

Does August see a decrease in the number of rainy days in Hannover?

Yes, August marks the beginning of a decrease in rainy days in Hannover with an average of 12 days.

How does the number of sunlit hours change in September in Hannover?

In September, there's a visible reduction in sunlit hours in Hannover, averaging 5 hours.

What's the trend for daytime temperatures in October in Hannover?

October in Hannover sees a continued decline in average daytime temperatures, now at 14 °C (58 °F).

How frequent are rainy days in Hannover in November?

In November, Hannover experiences an uptick in rainy days, averaging 12 days.

What is the average length of daylight in Hannover in December?

The average daylight length in December falls to about 8 hours.