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Monthly climate in San Rafael, Argentina

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification San Rafael features a cold semi-arid climate (BSk). Temperatures typically range between 8 °C (46 °F) and 26 °C (79 °F) through the year, but rarely can drop to -5 °C (24 °F) or can rise to as high as 41 °C (106 °F). The average annual precipitation amounts to about 386 mm (15.2 inches) and receives 56 rainy days on the 1 mm (0.04 inches) threshold annually. San Rafael enjoys an average of 3762 hours of sunshine throughout the year, and daylight varies from 9 hours 51 minutes to 14 hours 25 minutes per day.

Monthly average temperatures in San Rafael, Argentina

The warmest months in San Rafael are January, February and December, with daily mean temperatures ranging from 24 to 26 °C (75 - 79 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 8 to 11 °C (46 - 52 °F) throughout the day. On average each year, San Rafael experiences 157 days above 25 °C (77.0 °F) and 10 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 Rafael. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum41°C
(106°F)		40°C
(104°F)		38°C
(100°F)		34°C
(94°F)		32°C
(90°F)		25°C
(77°F)		25°C
(77°F)		33°C
(92°F)		33°C
(91°F)		38°C
(101°F)		39°C
(103°F)		40°C
(105°F)
Mean maximum39°C
(103°F)		38°C
(100°F)		35°C
(96°F)		31°C
(87°F)		26°C
(79°F)		21°C
(70°F)		23°C
(73°F)		28°C
(83°F)		32°C
(89°F)		34°C
(94°F)		37°C
(99°F)		39°C
(102°F)
Average high33°C
(91°F)		31°C
(87°F)		28°C
(83°F)		24°C
(75°F)		19°C
(66°F)		15°C
(60°F)		15°C
(60°F)		19°C
(66°F)		22°C
(72°F)		24°C
(76°F)		29°C
(84°F)		31°C
(89°F)
Daily mean26°C
(79°F)		24°C
(75°F)		21°C
(70°F)		17°C
(63°F)		12°C
(54°F)		8°C
(47°F)		8°C
(46°F)		11°C
(52°F)		14°C
(58°F)		17°C
(64°F)		22°C
(71°F)		24°C
(76°F)
Average low19°C
(66°F)		17°C
(63°F)		14°C
(58°F)		11°C
(52°F)		7°C
(45°F)		3°C
(38°F)		2°C
(36°F)		4°C
(40°F)		8°C
(46°F)		11°C
(51°F)		14°C
(58°F)		17°C
(62°F)
Mean minimum12°C
(54°F)		10°C
(51°F)		6°C
(44°F)		5°C
(41°F)		1°C
(34°F)		-2°C
(28°F)		-2°C
(28°F)		-2°C
(29°F)		1°C
(34°F)		2°C
(36°F)		8°C
(47°F)		10°C
(50°F)
Minimum9°C
(48°F)		9°C
(49°F)		4°C
(39°F)		1°C
(33°F)		-1°C
(30°F)		-5°C
(24°F)		-3°C
(26°F)		-3°C
(26°F)		-4°C
(25°F)		1°C
(34°F)		5°C
(41°F)		8°C
(46°F)

Compare climate in San Rafael with other places

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

Monthly average precipitation in San Rafael, Argentina

San Rafael usually has the most precipitation in February, November and December, with an average of 7 rainy days and 50 mm (2.0 inches) of precipitation per month. The driest months in San Rafael are June, July and August. On average, 14 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Rafael. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)30 (1.2)52 (2.0)26 (1.0)38 (1.5)39 (1.5)16 (0.6)17 (0.7)10 (0.4)21 (0.8)40 (1.6)52 (2.1)45 (1.8)
Average precipitation days (≥ 1 mm)664543224587

Monthly sunshine hours in San Rafael, Argentina

The sunniest months in San Rafael are October, November and December, when the sun shines an average of 12 hours 5 minutes a day. Least sunny months in San Rafael: May, June and July receive an average of 8 hours 25 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Rafael. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours317325329280256249268304317352371389
Mean daily daylight hours14h 9m13h 18m12h 14m11h 10m10h 17m9h 51m10h 5m10h 52m11h 53m12h 58m13h 55m14h 25m

Solar UV radiation in San Rafael, Argentina

San Rafael 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 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 Rafael UV Index data.

Average daily maximum UV levels by month for San Rafael. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)151311854468111415