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Monthly climate in Bad Harzburg, Germany

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Bad Harzburg features a oceanic climate (Cfb). Temperatures typically range between 1 °C (35 °F) and 18 °C (65 °F) through the year, but rarely can drop to -16 °C (4 °F) or can rise to as high as 35 °C (95 °F). The average annual precipitation amounts to about 822 mm (32.4 inches) and receives 151 rainy days on the 1 mm (0.04 inches) threshold annually. Bad Harzburg enjoys an average of 3295 hours of sunshine throughout the year, and daylight varies from 7 hours 49 minutes to 16 hours 37 minutes per day.

Monthly average temperatures in Bad Harzburg, Germany

The warmest months in Bad Harzburg are June, July and August, with daily mean temperatures ranging from 18 to 18 °C (64 - 65 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 1 to 3 °C (35 - 38 °F) throughout the day. On average each year, Bad Harzburg experiences 23 days above 25 °C (77.0 °F) and 60 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Bad Harzburg. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum13°C
(56°F)		17°C
(62°F)		21°C
(69°F)		26°C
(78°F)		29°C
(85°F)		32°C
(90°F)		34°C
(94°F)		35°C
(95°F)		31°C
(88°F)		25°C
(77°F)		19°C
(67°F)		13°C
(55°F)
Mean maximum11°C
(52°F)		13°C
(56°F)		17°C
(63°F)		23°C
(73°F)		26°C
(79°F)		27°C
(81°F)		30°C
(86°F)		31°C
(88°F)		28°C
(82°F)		22°C
(72°F)		16°C
(61°F)		12°C
(53°F)
Average high3°C
(38°F)		5°C
(41°F)		8°C
(47°F)		13°C
(55°F)		17°C
(63°F)		22°C
(72°F)		22°C
(73°F)		23°C
(74°F)		19°C
(66°F)		14°C
(57°F)		8°C
(46°F)		5°C
(41°F)
Daily mean1°C
(35°F)		2°C
(36°F)		5°C
(40°F)		8°C
(47°F)		12°C
(55°F)		18°C
(64°F)		18°C
(64°F)		18°C
(65°F)		14°C
(57°F)		10°C
(51°F)		5°C
(42°F)		3°C
(38°F)
Average low-1°C
(31°F)		-1°C
(31°F)		1°C
(34°F)		3°C
(38°F)		7°C
(46°F)		12°C
(55°F)		13°C
(56°F)		14°C
(57°F)		10°C
(50°F)		7°C
(46°F)		3°C
(38°F)		1°C
(34°F)
Mean minimum-8°C
(18°F)		-8°C
(18°F)		-5°C
(22°F)		-4°C
(25°F)		1°C
(34°F)		6°C
(44°F)		8°C
(47°F)		8°C
(46°F)		4°C
(39°F)		1°C
(34°F)		-2°C
(28°F)		-5°C
(23°F)
Minimum-15°C
(6°F)		-16°C
(4°F)		-13°C
(9°F)		-5°C
(23°F)		-1°C
(31°F)		3°C
(37°F)		6°C
(43°F)		6°C
(43°F)		1°C
(34°F)		-3°C
(28°F)		-4°C
(25°F)		-11°C
(12°F)

Compare climate in Bad Harzburg with other places

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

Monthly average precipitation in Bad Harzburg, Germany

Bad Harzburg usually has the most precipitation in June, July and August, with an average of 13 rainy days and 83 mm (3.3 inches) of precipitation per month. The driest months in Bad Harzburg are April, September and November. On average, 51 mm (2.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Bad Harzburg. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)68 (2.7)66 (2.6)70 (2.8)44 (1.7)71 (2.8)83 (3.3)88 (3.5)77 (3.0)61 (2.4)74 (2.9)47 (1.9)72 (2.8)
Average precipitation days (≥ 1 mm)12121591312131411141115

Monthly sunshine hours in Bad Harzburg, Germany

The sunniest months in Bad Harzburg are June, July and August, when the sun shines an average of 12 hours 48 minutes a day. Least sunny months in Bad Harzburg: January, November and December receive an average of 4 hours 12 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Bad Harzburg. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours97188263338378396400381312248165124
Mean daily daylight hours8h 20m9h 56m11h 54m13h 55m15h 41m16h 37m16h 7m14h 32m12h 35m10h 35m8h 47m7h 49m

Solar UV radiation in Bad Harzburg, Germany

Bad Harzburg 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 Bad Harzburg UV Index data.

Average daily maximum UV levels by month for Bad Harzburg. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)124578876321