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Monthly climate in Grenzach-Wyhlen, Germany

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Grenzach-Wyhlen features a oceanic climate (Cfb). Temperatures typically range between 1 °C (35 °F) and 20 °C (69 °F) through the year, but rarely can drop to -13 °C (8 °F) or can rise to as high as 36 °C (98 °F). The average annual precipitation amounts to about 1146 mm (45.1 inches) and receives 166 rainy days on the 1 mm (0.04 inches) threshold annually. Grenzach-Wyhlen enjoys an average of 3462 hours of sunshine throughout the year, and daylight varies from 8 hours 29 minutes to 15 hours 53 minutes per day.

Monthly average temperatures in Grenzach-Wyhlen, Germany

The warmest months in Grenzach-Wyhlen are June, July and August, with daily mean temperatures ranging from 19 to 20 °C (66 - 69 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 1 to 4 °C (35 - 39 °F) throughout the day. On average each year, Grenzach-Wyhlen experiences 49 days above 25 °C (77.0 °F) and 64 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Grenzach-Wyhlen. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum17°C
(62°F)		19°C
(66°F)		21°C
(71°F)		26°C
(80°F)		31°C
(87°F)		34°C
(94°F)		36°C
(98°F)		34°C
(94°F)		30°C
(86°F)		24°C
(75°F)		21°C
(70°F)		14°C
(58°F)
Mean maximum11°C
(53°F)		16°C
(60°F)		19°C
(66°F)		24°C
(75°F)		27°C
(81°F)		30°C
(85°F)		32°C
(91°F)		32°C
(90°F)		28°C
(83°F)		22°C
(72°F)		17°C
(63°F)		13°C
(56°F)
Average high4°C
(40°F)		8°C
(47°F)		11°C
(53°F)		16°C
(61°F)		18°C
(66°F)		24°C
(76°F)		26°C
(78°F)		25°C
(78°F)		21°C
(71°F)		16°C
(60°F)		8°C
(47°F)		5°C
(42°F)
Daily mean1°C
(35°F)		4°C
(39°F)		6°C
(44°F)		10°C
(50°F)		14°C
(57°F)		19°C
(66°F)		20°C
(69°F)		20°C
(68°F)		16°C
(61°F)		11°C
(52°F)		5°C
(42°F)		3°C
(38°F)
Average low-1°C
(30°F)		1°C
(34°F)		2°C
(36°F)		5°C
(41°F)		9°C
(48°F)		14°C
(57°F)		15°C
(59°F)		15°C
(59°F)		11°C
(52°F)		7°C
(45°F)		3°C
(37°F)		1°C
(34°F)
Mean minimum-7°C
(19°F)		-6°C
(22°F)		-5°C
(24°F)		-2°C
(29°F)		3°C
(38°F)		8°C
(46°F)		10°C
(51°F)		9°C
(48°F)		4°C
(40°F)		1°C
(35°F)		-2°C
(29°F)		-4°C
(25°F)
Minimum-13°C
(8°F)		-13°C
(9°F)		-12°C
(10°F)		-4°C
(26°F)		1°C
(33°F)		6°C
(43°F)		9°C
(49°F)		7°C
(44°F)		2°C
(36°F)		-1°C
(30°F)		-4°C
(25°F)		-5°C
(24°F)

Compare climate in Grenzach-Wyhlen with other places

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

Monthly average precipitation in Grenzach-Wyhlen, Germany

Grenzach-Wyhlen usually has the most precipitation in May, July and December, with an average of 16 rainy days and 124 mm (4.9 inches) of precipitation per month. The driest months in Grenzach-Wyhlen are April, September and November. On average, 67 mm (2.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Grenzach-Wyhlen. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)89 (3.5)75 (2.9)87 (3.4)59 (2.3)126 (5.0)120 (4.7)122 (4.8)115 (4.5)69 (2.7)89 (3.5)73 (2.9)124 (4.9)
Average precipitation days (≥ 1 mm)121214101716151512131218

Monthly sunshine hours in Grenzach-Wyhlen, Germany

The sunniest months in Grenzach-Wyhlen are June, July and August, when the sun shines an average of 12 hours 50 minutes a day. Least sunny months in Grenzach-Wyhlen: January, November and December receive an average of 5 hours 15 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Grenzach-Wyhlen. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours135210283353361388412380322265191156
Mean daily daylight hours8h 54m10h 15m11h 56m13h 39m15h 8m15h 53m15h 29m14h 10m12h 30m10h 48m9h 17m8h 29m

Solar UV radiation in Grenzach-Wyhlen, Germany

Grenzach-Wyhlen 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 Grenzach-Wyhlen UV Index data.

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