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Monthly climate in Mendoza, Argentina

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Mendoza features a cold desert climate (BWk). Temperatures typically range between 8 °C (47 °F) and 26 °C (80 °F) through the year, but rarely can drop to -3 °C (28 °F) or can rise to as high as 40 °C (104 °F). The average annual precipitation amounts to about 304 mm (12.0 inches) and receives 50 rainy days on the 1 mm (0.04 inches) threshold annually. Mendoza enjoys an average of 3837 hours of sunshine throughout the year, and daylight varies from 9 hours 59 minutes to 14 hours 16 minutes per day.

Monthly average temperatures in Mendoza, Argentina

The warmest months in Mendoza are January, February and December, with daily mean temperatures ranging from 24 to 26 °C (76 - 80 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 8 to 11 °C (47 - 53 °F) throughout the day. On average each year, Mendoza experiences 153 days above 25 °C (77.0 °F) and 4 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Mendoza. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum40°C
(104°F)		39°C
(103°F)		37°C
(98°F)		34°C
(94°F)		26°C
(80°F)		24°C
(76°F)		23°C
(74°F)		31°C
(89°F)		34°C
(94°F)		37°C
(98°F)		38°C
(101°F)		40°C
(104°F)
Mean maximum39°C
(102°F)		37°C
(99°F)		35°C
(95°F)		30°C
(86°F)		23°C
(74°F)		20°C
(68°F)		22°C
(71°F)		27°C
(81°F)		32°C
(89°F)		33°C
(92°F)		36°C
(97°F)		39°C
(102°F)
Average high32°C
(91°F)		30°C
(87°F)		28°C
(83°F)		24°C
(75°F)		18°C
(65°F)		14°C
(58°F)		14°C
(58°F)		18°C
(65°F)		22°C
(72°F)		25°C
(77°F)		29°C
(84°F)		31°C
(88°F)
Daily mean26°C
(80°F)		24°C
(76°F)		22°C
(71°F)		18°C
(64°F)		12°C
(55°F)		9°C
(48°F)		8°C
(47°F)		11°C
(53°F)		15°C
(60°F)		18°C
(66°F)		22°C
(73°F)		25°C
(77°F)
Average low20°C
(69°F)		19°C
(66°F)		16°C
(61°F)		13°C
(55°F)		8°C
(47°F)		4°C
(40°F)		3°C
(38°F)		6°C
(42°F)		9°C
(49°F)		12°C
(55°F)		16°C
(61°F)		18°C
(66°F)
Mean minimum14°C
(57°F)		13°C
(56°F)		10°C
(50°F)		7°C
(45°F)		3°C
(37°F)		-1°C
(31°F)		-1°C
(31°F)		0°C
(33°F)		3°C
(38°F)		4°C
(40°F)		11°C
(51°F)		13°C
(56°F)
Minimum9°C
(49°F)		12°C
(54°F)		7°C
(45°F)		3°C
(38°F)		1°C
(34°F)		-3°C
(28°F)		-2°C
(29°F)		-1°C
(31°F)		-0°C
(32°F)		2°C
(36°F)		9°C
(48°F)		11°C
(52°F)

Compare climate in Mendoza with other places

Compare temperature, precipitation, sunshine, UV index in Mendoza, Argentina with other places around the world.

Monthly average precipitation in Mendoza, Argentina

Mendoza usually has the most precipitation in February, March and April, with an average of 6 rainy days and 38 mm (1.5 inches) of precipitation per month. The driest months in Mendoza are July, August and September. On average, 11 mm (0.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Mendoza. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)27 (1.0)44 (1.7)34 (1.3)37 (1.5)31 (1.2)15 (0.6)10 (0.4)10 (0.4)14 (0.6)26 (1.0)31 (1.2)26 (1.0)
Average precipitation days (≥ 1 mm)476653222355

Monthly sunshine hours in Mendoza, Argentina

The sunniest months in Mendoza are October, November and December, when the sun shines an average of 12 hours 14 minutes a day. Least sunny months in Mendoza: May, June and July receive an average of 8 hours 52 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Mendoza. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours312327335283271264281312321357371397
Mean daily daylight hours14h 1m13h 14m12h 14m11h 13m10h 23m9h 59m10h 12m10h 56m11h 54m12h 55m13h 49m14h 16m

Solar UV radiation in Mendoza, Argentina

Mendoza experiences the highest level of ultraviolet (UV) radiation in January, November and December, when the maximum UV index can reach values of 14 - 15, which corresponds to the Extreme category of sun exposure. May, June and July are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly Mendoza UV Index data.

Average daily maximum UV levels by month for Mendoza. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)151412864569121415