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Monthly climate in Mertendorf, Germany

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Mertendorf features a oceanic climate (Cfb). Temperatures typically range between 2 °C (35 °F) and 20 °C (68 °F) through the year, but rarely can drop to -19 °C (-2 °F) or can rise to as high as 36 °C (98 °F). The average annual precipitation amounts to about 665 mm (26.2 inches) and receives 131 rainy days on the 1 mm (0.04 inches) threshold annually. Mertendorf enjoys an average of 3361 hours of sunshine throughout the year, and daylight varies from 7 hours 59 minutes to 16 hours 26 minutes per day.

Monthly average temperatures in Mertendorf, Germany

The warmest months in Mertendorf are June, July and August, with daily mean temperatures ranging from 19 to 20 °C (66 - 68 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 2 to 3 °C (35 - 38 °F) throughout the day. On average each year, Mertendorf experiences 40 days above 25 °C (77.0 °F) and 56 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Mertendorf. 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)		21°C
(71°F)		27°C
(81°F)		30°C
(86°F)		36°C
(96°F)		36°C
(98°F)		36°C
(97°F)		32°C
(90°F)		26°C
(78°F)		19°C
(67°F)		14°C
(57°F)
Mean maximum11°C
(53°F)		14°C
(58°F)		19°C
(66°F)		23°C
(74°F)		27°C
(80°F)		29°C
(85°F)		32°C
(89°F)		32°C
(91°F)		29°C
(84°F)		23°C
(74°F)		17°C
(63°F)		12°C
(54°F)
Average high4°C
(39°F)		6°C
(43°F)		9°C
(49°F)		14°C
(57°F)		18°C
(64°F)		24°C
(75°F)		24°C
(76°F)		25°C
(77°F)		20°C
(68°F)		15°C
(59°F)		8°C
(47°F)		5°C
(42°F)
Daily mean2°C
(35°F)		3°C
(37°F)		5°C
(41°F)		9°C
(48°F)		13°C
(56°F)		19°C
(66°F)		19°C
(67°F)		20°C
(68°F)		15°C
(59°F)		11°C
(52°F)		6°C
(42°F)		3°C
(38°F)
Average low-0°C
(32°F)		-0°C
(32°F)		1°C
(34°F)		4°C
(39°F)		8°C
(47°F)		13°C
(56°F)		14°C
(58°F)		14°C
(58°F)		10°C
(51°F)		8°C
(46°F)		3°C
(38°F)		1°C
(35°F)
Mean minimum-6°C
(22°F)		-7°C
(19°F)		-6°C
(21°F)		-3°C
(27°F)		1°C
(35°F)		7°C
(45°F)		9°C
(48°F)		8°C
(48°F)		5°C
(40°F)		2°C
(36°F)		-2°C
(28°F)		-6°C
(22°F)
Minimum-10°C
(14°F)		-19°C
(-2°F)		-15°C
(5°F)		-7°C
(20°F)		-1°C
(30°F)		5°C
(40°F)		8°C
(46°F)		7°C
(45°F)		2°C
(36°F)		-1°C
(31°F)		-5°C
(23°F)		-13°C
(8°F)

Compare climate in Mertendorf with other places

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

Monthly average precipitation in Mertendorf, Germany

Mertendorf usually has the most precipitation in May, July and August, with an average of 11 rainy days and 70 mm (2.8 inches) of precipitation per month. The driest months in Mertendorf are February, April and November. On average, 40 mm (1.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Mertendorf. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)52 (2.0)43 (1.7)58 (2.3)36 (1.4)67 (2.6)54 (2.1)68 (2.7)76 (3.0)50 (2.0)58 (2.3)41 (1.6)62 (2.4)
Average precipitation days (≥ 1 mm)12915913101110811914

Monthly sunshine hours in Mertendorf, Germany

The sunniest months in Mertendorf are May, June and July, when the sun shines an average of 13 hours 0 minutes a day. Least sunny months in Mertendorf: January, November and December receive an average of 4 hours 31 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Mertendorf. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours104194269341383402411375312256175136
Mean daily daylight hours8h 28m10h 1m11h 55m13h 51m15h 33m16h 26m15h 58m14h 27m12h 34m10h 38m8h 54m7h 59m

Solar UV radiation in Mertendorf, Germany

Mertendorf 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 Mertendorf UV Index data.

Average daily maximum UV levels by month for Mertendorf. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)224578875421