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Monthly climate in Glonn, Germany

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Glonn features a oceanic climate (Cfb). Temperatures typically range between 0 °C (33 °F) and 19 °C (66 °F) through the year, but rarely can drop to -20 °C (-4 °F) or can rise to as high as 33 °C (93 °F). The average annual precipitation amounts to about 1176 mm (46.3 inches) and receives 161 rainy days on the 1 mm (0.04 inches) threshold annually. Glonn enjoys an average of 3505 hours of sunshine throughout the year, and daylight varies from 8 hours 26 minutes to 15 hours 57 minutes per day.

Monthly average temperatures in Glonn, Germany

The warmest months in Glonn are June, July and August, with daily mean temperatures ranging from 18 to 19 °C (65 - 66 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 0 to 3 °C (33 - 37 °F) throughout the day. On average each year, Glonn experiences 35 days above 25 °C (77.0 °F) and 70 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Glonn. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum14°C
(57°F)		19°C
(66°F)		20°C
(69°F)		26°C
(79°F)		31°C
(88°F)		33°C
(92°F)		33°C
(92°F)		33°C
(93°F)		28°C
(83°F)		24°C
(75°F)		19°C
(66°F)		14°C
(57°F)
Mean maximum10°C
(50°F)		15°C
(60°F)		19°C
(66°F)		23°C
(74°F)		27°C
(80°F)		29°C
(84°F)		31°C
(88°F)		32°C
(90°F)		26°C
(80°F)		22°C
(72°F)		17°C
(62°F)		12°C
(54°F)
Average high3°C
(39°F)		7°C
(44°F)		10°C
(50°F)		15°C
(59°F)		18°C
(64°F)		23°C
(74°F)		24°C
(75°F)		24°C
(75°F)		19°C
(67°F)		15°C
(59°F)		8°C
(46°F)		5°C
(41°F)
Daily mean0°C
(33°F)		3°C
(37°F)		5°C
(42°F)		9°C
(49°F)		13°C
(56°F)		18°C
(65°F)		19°C
(66°F)		19°C
(66°F)		14°C
(58°F)		10°C
(51°F)		5°C
(40°F)		2°C
(36°F)
Average low-2°C
(28°F)		-1°C
(31°F)		1°C
(34°F)		4°C
(40°F)		8°C
(47°F)		13°C
(56°F)		14°C
(57°F)		14°C
(58°F)		10°C
(51°F)		6°C
(44°F)		2°C
(36°F)		0°C
(32°F)
Mean minimum-8°C
(18°F)		-9°C
(16°F)		-6°C
(22°F)		-2°C
(29°F)		3°C
(37°F)		7°C
(45°F)		10°C
(49°F)		9°C
(48°F)		4°C
(39°F)		1°C
(35°F)		-2°C
(28°F)		-5°C
(22°F)
Minimum-20°C
(-4°F)		-17°C
(2°F)		-17°C
(2°F)		-4°C
(24°F)		-0°C
(32°F)		5°C
(41°F)		9°C
(48°F)		8°C
(47°F)		2°C
(35°F)		-0°C
(31°F)		-3°C
(27°F)		-7°C
(20°F)

Compare climate in Glonn with other places

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

Monthly average precipitation in Glonn, Germany

Glonn usually has the most precipitation in May, July and August, with an average of 16 rainy days and 142 mm (5.6 inches) of precipitation per month. The driest months in Glonn are March, April and November. On average, 62 mm (2.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Glonn. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)77 (3.0)75 (2.9)72 (2.8)56 (2.2)140 (5.5)129 (5.1)140 (5.5)146 (5.8)99 (3.9)88 (3.5)57 (2.3)96 (3.8)
Average precipitation days (≥ 1 mm)11121510181416151212917

Monthly sunshine hours in Glonn, Germany

The sunniest months in Glonn are June, July and August, when the sun shines an average of 12 hours 39 minutes a day. Least sunny months in Glonn: January, November and December receive an average of 5 hours 56 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Glonn. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours153227292342359383411369305267218173
Mean daily daylight hours8h 51m10h 13m11h 55m13h 40m15h 11m15h 57m15h 32m14h 12m12h 31m10h 47m9h 14m8h 26m

Solar UV radiation in Glonn, Germany

Glonn experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 8 - 9, which corresponds to the Very High category of sun exposure. January, November 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 Glonn UV Index data.

Average daily maximum UV levels by month for Glonn. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)235689986421