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Monthly climate in Serrano, Argentina

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Serrano features a humid subtropical climate (Cfa). Temperatures typically range between 9 °C (49 °F) and 24 °C (75 °F) through the year, but rarely can drop to -4 °C (24 °F) or can rise to as high as 40 °C (104 °F). The average annual precipitation amounts to about 734 mm (28.9 inches) and receives 78 rainy days on the 1 mm (0.04 inches) threshold annually. Serrano enjoys an average of 3464 hours of sunshine throughout the year, and daylight varies from 9 hours 52 minutes to 14 hours 24 minutes per day.

Monthly average temperatures in Serrano, Argentina

The warmest months in Serrano are January, February and December, with daily mean temperatures ranging from 23 to 24 °C (73 - 75 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 9 to 12 °C (49 - 53 °F) throughout the day. On average each year, Serrano experiences 141 days above 25 °C (77.0 °F) and 6 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Serrano. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum40°C
(104°F)		37°C
(98°F)		34°C
(94°F)		32°C
(90°F)		30°C
(87°F)		24°C
(76°F)		23°C
(74°F)		29°C
(85°F)		34°C
(93°F)		39°C
(102°F)		36°C
(97°F)		39°C
(102°F)
Mean maximum36°C
(97°F)		34°C
(94°F)		33°C
(91°F)		30°C
(86°F)		26°C
(80°F)		20°C
(68°F)		21°C
(71°F)		27°C
(82°F)		31°C
(88°F)		34°C
(93°F)		35°C
(96°F)		37°C
(99°F)
Average high30°C
(86°F)		29°C
(84°F)		27°C
(80°F)		24°C
(75°F)		19°C
(66°F)		16°C
(60°F)		15°C
(60°F)		19°C
(66°F)		21°C
(70°F)		23°C
(74°F)		27°C
(81°F)		29°C
(85°F)
Daily mean24°C
(75°F)		23°C
(73°F)		20°C
(69°F)		18°C
(64°F)		13°C
(56°F)		10°C
(50°F)		9°C
(49°F)		12°C
(53°F)		14°C
(58°F)		17°C
(63°F)		21°C
(70°F)		23°C
(74°F)
Average low18°C
(65°F)		17°C
(63°F)		15°C
(60°F)		13°C
(56°F)		9°C
(48°F)		5°C
(41°F)		4°C
(40°F)		6°C
(43°F)		9°C
(48°F)		11°C
(53°F)		15°C
(59°F)		17°C
(63°F)
Mean minimum12°C
(54°F)		10°C
(50°F)		8°C
(47°F)		6°C
(44°F)		1°C
(35°F)		-2°C
(29°F)		-2°C
(28°F)		-2°C
(29°F)		2°C
(36°F)		4°C
(40°F)		8°C
(47°F)		11°C
(52°F)
Minimum11°C
(51°F)		8°C
(47°F)		5°C
(42°F)		4°C
(39°F)		-2°C
(28°F)		-3°C
(26°F)		-4°C
(25°F)		-4°C
(24°F)		-2°C
(28°F)		2°C
(37°F)		6°C
(44°F)		9°C
(49°F)

Compare climate in Serrano with other places

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

Monthly average precipitation in Serrano, Argentina

Serrano usually has the most precipitation in March, April and December, with an average of 9 rainy days and 100 mm (3.9 inches) of precipitation per month. The driest months in Serrano are June, July and August. On average, 14 mm (0.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Serrano. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)83 (3.3)71 (2.8)97 (3.8)103 (4.1)48 (1.9)20 (0.8)10 (0.4)11 (0.4)56 (2.2)57 (2.2)80 (3.1)98 (3.9)
Average precipitation days (≥ 1 mm)9689632358910

Monthly sunshine hours in Serrano, Argentina

The sunniest months in Serrano are October, November and December, when the sun shines an average of 11 hours 21 minutes a day. Least sunny months in Serrano: May, June and July receive an average of 7 hours 28 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Serrano. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours293323313240227224235287272324344375
Mean daily daylight hours14h 8m13h 18m12h 14m11h 10m10h 17m9h 52m10h 5m10h 52m11h 53m12h 58m13h 55m14h 24m

Solar UV radiation in Serrano, Argentina

Serrano experiences the highest level of ultraviolet (UV) radiation in January, November and December, when the maximum UV index can reach values of 13 - 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 5. For more detailed information, check out our hourly Serrano UV Index data.

Average daily maximum UV levels by month for Serrano. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)141311754468111314