Monthly climate in Hannover, Germany

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Hannover features a oceanic climate (Cfb). Temperatures typically range between 3 °C (38 °F) and 19 °C (67 °F) through the year, but rarely can drop to -19 °C (-3 °F) or can rise to as high as 37 °C (98 °F). The average annual precipitation amounts to about 760 mm (29.9 inches) and receives 138 rainy days on the 1 mm (0.04 inches) threshold annually. Hannover enjoys an average of 3259 hours of sunshine throughout the year, and daylight varies from 7 hours 47 minutes to 16 hours 39 minutes per day.

Monthly average temperatures in Hannover, Germany §

The warmest months in Hannover are June, July and August, with daily mean temperatures ranging from 18 to 19 °C (65 - 67 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 3 to 4 °C (38 - 40 °F) throughout the day. On average each year, Hannover experiences 32 days above 25 °C (77.0 °F) and 40 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Hannover, Germany. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 14°C
(58°F)
19°C
(67°F)
21°C
(71°F)
27°C
(81°F)
31°C
(88°F)
33°C
(92°F)
37°C
(98°F)
36°C
(97°F)
32°C
(90°F)
27°C
(80°F)
20°C
(69°F)
14°C
(58°F)
Mean maximum 12°C
(54°F)
15°C
(59°F)
18°C
(65°F)
24°C
(75°F)
27°C
(81°F)
28°C
(83°F)
31°C
(88°F)
32°C
(90°F)
28°C
(84°F)
23°C
(73°F)
17°C
(63°F)
13°C
(55°F)
Average high 5°C
(41°F)
7°C
(44°F)
10°C
(50°F)
14°C
(57°F)
18°C
(64°F)
23°C
(74°F)
23°C
(74°F)
24°C
(76°F)
20°C
(68°F)
15°C
(59°F)
9°C
(48°F)
6°C
(43°F)
Daily mean 3°C
(38°F)
4°C
(39°F)
6°C
(43°F)
9°C
(49°F)
13°C
(56°F)
18°C
(65°F)
19°C
(66°F)
19°C
(67°F)
15°C
(59°F)
12°C
(53°F)
7°C
(44°F)
4°C
(40°F)
Average low 1°C
(34°F)
1°C
(34°F)
2°C
(36°F)
4°C
(40°F)
8°C
(47°F)
13°C
(56°F)
14°C
(57°F)
14°C
(58°F)
11°C
(51°F)
9°C
(48°F)
4°C
(40°F)
2°C
(37°F)
Mean minimum -5°C
(24°F)
-6°C
(21°F)
-4°C
(25°F)
-3°C
(27°F)
1°C
(34°F)
7°C
(45°F)
9°C
(48°F)
8°C
(47°F)
4°C
(40°F)
2°C
(35°F)
-2°C
(30°F)
-4°C
(26°F)
Minimum -10°C
(14°F)
-19°C
(-3°F)
-11°C
(13°F)
-4°C
(24°F)
-0°C
(32°F)
4°C
(39°F)
7°C
(44°F)
6°C
(44°F)
1°C
(35°F)
-2°C
(29°F)
-3°C
(27°F)
-10°C
(14°F)

Compare climate in Hannover with other places

Compare temperature, precipitation, sunshine, UV index in Hannover, Germany with other places around the world.

Monthly average precipitation in Hannover, Germany §

Hannover usually has the most precipitation in July, August and October, with an average of 12 rainy days and 76 mm (3.0 inches) of precipitation per month. The driest months in Hannover are January, April and November. On average, 49 mm (1.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Hannover, Germany. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 57 (2.2) 62 (2.4) 64 (2.5) 44 (1.7) 63 (2.5) 67 (2.6) 84 (3.3) 71 (2.8) 59 (2.3) 73 (2.9) 45 (1.8) 69 (2.7)
Average precipitation days (≥ 1 mm) 11 11 13 9 11 11 11 12 10 14 10 15

Monthly sunshine hours in Hannover, Germany §

The sunniest months in Hannover are June, July and August, when the sun shines an average of 12 hours 41 minutes a day. Least sunny months in Hannover: January, November and December receive an average of 4 hours 5 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Hannover, Germany. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 97 187 258 338 380 389 397 381 308 240 160 119
Mean daily daylight hours 8h 18m 9h 55m 11h 54m 13h 56m 15h 43m 16h 39m 16h 9m 14h 33m 12h 35m 10h 34m 8h 45m 7h 47m

Solar UV radiation in Hannover, Germany §

Hannover experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 7 - 8, which corresponds to the High / Very High category of sun exposure. January, February and December are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 2. For more detailed information, check out our hourly Hannover UV Index data.

Average daily maximum UV levels by month for Hannover, Germany. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 1 2 4 5 7 8 8 7 5 3 2 1

Detailed Monthly Weather Insights for Hannover, Germany

Discover in-depth weather details for every month in Hannover. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Hannover's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.