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Monthly climate in San Martin de los Andes, Argentina

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification San Martin de los Andes features a oceanic climate (Cfb). Temperatures typically range between 0 °C (32 °F) and 13 °C (56 °F) through the year, but rarely can drop to -16 °C (4 °F) or can rise to as high as 32 °C (89 °F). The average annual precipitation amounts to about 1154 mm (45.4 inches) and receives 127 rainy days on the 1 mm (0.04 inches) threshold annually. San Martin de los Andes enjoys an average of 3252 hours of sunshine throughout the year, and daylight varies from 9 hours 20 minutes to 14 hours 57 minutes per day.

Monthly average temperatures in San Martin de los Andes, Argentina

The warmest months in San Martin de los Andes are January, February and December, with daily mean temperatures ranging from 12 to 13 °C (53 - 56 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 0 to 1 °C (32 - 33 °F) throughout the day. On average each year, San Martin de los Andes experiences 16 days above 25 °C (77.0 °F) and 130 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in San Martin de los Andes. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum32°C
(89°F)		31°C
(88°F)		28°C
(83°F)		23°C
(74°F)		20°C
(68°F)		9°C
(48°F)		11°C
(51°F)		12°C
(54°F)		18°C
(65°F)		23°C
(73°F)		23°C
(75°F)		28°C
(83°F)
Mean maximum29°C
(84°F)		29°C
(84°F)		26°C
(79°F)		21°C
(70°F)		14°C
(58°F)		7°C
(45°F)		8°C
(46°F)		9°C
(49°F)		15°C
(60°F)		18°C
(65°F)		23°C
(73°F)		26°C
(79°F)
Average high20°C
(68°F)		21°C
(69°F)		17°C
(63°F)		13°C
(55°F)		8°C
(46°F)		3°C
(38°F)		3°C
(37°F)		4°C
(40°F)		7°C
(45°F)		9°C
(49°F)		14°C
(58°F)		18°C
(65°F)
Daily mean13°C
(55°F)		13°C
(56°F)		10°C
(51°F)		7°C
(45°F)		3°C
(38°F)		0°C
(33°F)		-0°C
(32°F)		1°C
(33°F)		2°C
(36°F)		4°C
(39°F)		8°C
(47°F)		12°C
(53°F)
Average low6°C
(43°F)		7°C
(44°F)		5°C
(40°F)		2°C
(37°F)		-1°C
(31°F)		-3°C
(28°F)		-3°C
(26°F)		-3°C
(27°F)		-2°C
(29°F)		-0°C
(31°F)		2°C
(36°F)		5°C
(41°F)
Mean minimum-1°C
(30°F)		-0°C
(32°F)		-2°C
(29°F)		-3°C
(26°F)		-8°C
(18°F)		-10°C
(14°F)		-10°C
(14°F)		-9°C
(16°F)		-9°C
(17°F)		-7°C
(19°F)		-4°C
(24°F)		-0°C
(31°F)
Minimum-4°C
(25°F)		-3°C
(27°F)		-6°C
(22°F)		-7°C
(20°F)		-16°C
(4°F)		-11°C
(13°F)		-14°C
(7°F)		-10°C
(15°F)		-10°C
(14°F)		-9°C
(15°F)		-7°C
(20°F)		-2°C
(29°F)

Compare climate in San Martin de los Andes with other places

Compare temperature, precipitation, sunshine, UV index in San Martin de los Andes, Argentina with other places around the world.

Monthly average precipitation in San Martin de los Andes, Argentina

San Martin de los Andes usually has the most precipitation in June, July and August, with an average of 17 rainy days and 198 mm (7.8 inches) of precipitation per month. The driest months in San Martin de los Andes are January, February and March. On average, 34 mm (1.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Martin de los Andes. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)28 (1.1)28 (1.1)46 (1.8)64 (2.5)105 (4.1)228 (9.0)198 (7.8)168 (6.6)81 (3.2)102 (4.0)58 (2.3)48 (1.9)
Average precipitation days (≥ 1 mm)456913191616101397

Monthly sunshine hours in San Martin de los Andes, Argentina

The sunniest months in San Martin de los Andes are March, November and December, when the sun shines an average of 11 hours 27 minutes a day. Least sunny months in San Martin de los Andes: May, June and July receive an average of 5 hours 41 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Martin de los Andes. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours311328331249210143170220267297339383
Mean daily daylight hours14h 37m13h 35m12h 17m10h 57m9h 52m9h 20m9h 37m10h 35m11h 51m13h 10m14h 21m14h 57m

Solar UV radiation in San Martin de los Andes, Argentina

San Martin de los Andes experiences the highest level of ultraviolet (UV) radiation in January, November and December, when the maximum UV index can reach values of 13 - 15, which corresponds to the Extreme category of sun exposure. May, June and July are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly San Martin de los Andes UV Index data.

Average daily maximum UV levels by month for San Martin de los Andes. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)151310653368101314