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Monthly climate in San Cayetano, Argentina

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification San Cayetano features a oceanic climate (Cfb). Temperatures typically range between 8 °C (46 °F) and 22 °C (72 °F) through the year, but rarely can drop to -3 °C (27 °F) or can rise to as high as 41 °C (105 °F). The average annual precipitation amounts to about 788 mm (31.0 inches) and receives 90 rainy days on the 1 mm (0.04 inches) threshold annually. San Cayetano enjoys an average of 3396 hours of sunshine throughout the year, and daylight varies from 9 hours 31 minutes to 14 hours 46 minutes per day.

Monthly average temperatures in San Cayetano, Argentina

The warmest months in San Cayetano are January, February and December, with daily mean temperatures ranging from 20 to 22 °C (68 - 72 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 8 to 9 °C (46 - 49 °F) throughout the day. On average each year, San Cayetano experiences 86 days above 25 °C (77.0 °F) and 8 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 Cayetano. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum41°C
(105°F)		37°C
(99°F)		34°C
(93°F)		29°C
(84°F)		25°C
(78°F)		23°C
(73°F)		21°C
(70°F)		25°C
(77°F)		28°C
(83°F)		34°C
(93°F)		34°C
(93°F)		36°C
(98°F)
Mean maximum36°C
(97°F)		35°C
(95°F)		32°C
(89°F)		28°C
(82°F)		23°C
(75°F)		18°C
(64°F)		19°C
(66°F)		23°C
(74°F)		24°C
(76°F)		29°C
(85°F)		31°C
(88°F)		35°C
(95°F)
Average high28°C
(83°F)		27°C
(80°F)		24°C
(76°F)		21°C
(70°F)		16°C
(62°F)		13°C
(56°F)		12°C
(55°F)		15°C
(59°F)		17°C
(62°F)		19°C
(67°F)		23°C
(73°F)		27°C
(80°F)
Daily mean22°C
(72°F)		20°C
(69°F)		18°C
(65°F)		16°C
(60°F)		11°C
(52°F)		9°C
(48°F)		8°C
(46°F)		9°C
(49°F)		11°C
(52°F)		13°C
(57°F)		17°C
(63°F)		20°C
(68°F)
Average low15°C
(60°F)		15°C
(59°F)		13°C
(56°F)		11°C
(52°F)		7°C
(45°F)		5°C
(41°F)		4°C
(39°F)		5°C
(41°F)		6°C
(43°F)		8°C
(47°F)		11°C
(52°F)		13°C
(56°F)
Mean minimum8°C
(47°F)		8°C
(47°F)		6°C
(44°F)		4°C
(40°F)		1°C
(34°F)		-1°C
(30°F)		-2°C
(29°F)		-1°C
(30°F)		-1°C
(31°F)		0°C
(33°F)		4°C
(39°F)		5°C
(42°F)
Minimum7°C
(45°F)		6°C
(43°F)		4°C
(40°F)		3°C
(37°F)		-1°C
(30°F)		-2°C
(28°F)		-3°C
(27°F)		-3°C
(27°F)		-3°C
(27°F)		-2°C
(29°F)		2°C
(35°F)		3°C
(38°F)

Compare climate in San Cayetano with other places

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

Monthly average precipitation in San Cayetano, Argentina

San Cayetano usually has the most precipitation in February, April and November, with an average of 8 rainy days and 88 mm (3.5 inches) of precipitation per month. The driest months in San Cayetano are May, June and August. On average, 41 mm (1.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Cayetano. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)69 (2.7)82 (3.2)72 (2.8)100 (3.9)47 (1.8)43 (1.7)50 (2.0)33 (1.3)58 (2.3)74 (2.9)81 (3.2)78 (3.1)
Average precipitation days (≥ 1 mm)7898767469109

Monthly sunshine hours in San Cayetano, Argentina

The sunniest months in San Cayetano are February, November and December, when the sun shines an average of 11 hours 35 minutes a day. Least sunny months in San Cayetano: May, June and July receive an average of 6 hours 58 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Cayetano. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours312320312250230201209251269315336385
Mean daily daylight hours14h 27m13h 29m12h 16m11h 2m10h 1m9h 31m9h 47m10h 41m11h 51m13h 6m14h 12m14h 46m

Solar UV radiation in San Cayetano, Argentina

San Cayetano experiences the highest level of ultraviolet (UV) radiation in January, November and December, when the maximum UV index can reach values of 12 - 14, 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 4. For more detailed information, check out our hourly San Cayetano UV Index data.

Average daily maximum UV levels by month for San Cayetano. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)14121064335791214