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Monthly climate in Las Rosas, Argentina

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Las Rosas features a humid subtropical climate (Cfa). Temperatures typically range between 11 °C (52 °F) and 25 °C (76 °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 819 mm (32.2 inches) and receives 74 rainy days on the 1 mm (0.04 inches) threshold annually. Las Rosas enjoys an average of 3504 hours of sunshine throughout the year, and daylight varies from 10 hours 2 minutes to 14 hours 13 minutes per day.

Monthly average temperatures in Las Rosas, Argentina

The warmest months in Las Rosas are January, February and December, with daily mean temperatures ranging from 23 to 25 °C (74 - 76 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 11 to 13 °C (52 - 56 °F) throughout the day. On average each year, Las Rosas experiences 161 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 Las Rosas. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum40°C
(104°F)		36°C
(98°F)		35°C
(96°F)		34°C
(93°F)		30°C
(86°F)		27°C
(82°F)		28°C
(82°F)		33°C
(92°F)		36°C
(97°F)		38°C
(101°F)		37°C
(99°F)		38°C
(101°F)
Mean maximum36°C
(97°F)		35°C
(95°F)		33°C
(92°F)		31°C
(89°F)		28°C
(82°F)		23°C
(74°F)		26°C
(80°F)		30°C
(86°F)		33°C
(92°F)		35°C
(96°F)		36°C
(97°F)		37°C
(98°F)
Average high30°C
(86°F)		29°C
(85°F)		27°C
(81°F)		25°C
(77°F)		20°C
(69°F)		17°C
(64°F)		17°C
(62°F)		20°C
(69°F)		22°C
(73°F)		25°C
(77°F)		28°C
(83°F)		30°C
(86°F)
Daily mean25°C
(76°F)		23°C
(74°F)		21°C
(71°F)		19°C
(66°F)		14°C
(58°F)		12°C
(53°F)		11°C
(52°F)		13°C
(56°F)		16°C
(61°F)		19°C
(66°F)		22°C
(72°F)		24°C
(75°F)
Average low19°C
(66°F)		18°C
(64°F)		16°C
(61°F)		14°C
(57°F)		10°C
(50°F)		7°C
(44°F)		6°C
(43°F)		7°C
(44°F)		10°C
(50°F)		12°C
(55°F)		16°C
(60°F)		17°C
(63°F)
Mean minimum12°C
(55°F)		10°C
(51°F)		9°C
(49°F)		6°C
(44°F)		2°C
(36°F)		-1°C
(30°F)		-3°C
(27°F)		-1°C
(31°F)		3°C
(37°F)		5°C
(42°F)		9°C
(48°F)		12°C
(53°F)
Minimum11°C
(52°F)		8°C
(47°F)		8°C
(46°F)		3°C
(37°F)		-2°C
(29°F)		-3°C
(27°F)		-4°C
(24°F)		-2°C
(28°F)		-1°C
(31°F)		2°C
(36°F)		7°C
(45°F)		9°C
(48°F)

Compare climate in Las Rosas with other places

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

Monthly average precipitation in Las Rosas, Argentina

Las Rosas usually has the most precipitation in January, March and April, with an average of 7 rainy days and 111 mm (4.4 inches) of precipitation per month. The driest months in Las Rosas are June, July and August. On average, 21 mm (0.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Las Rosas. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)114 (4.5)59 (2.3)92 (3.6)127 (5.0)84 (3.3)17 (0.7)22 (0.9)25 (1.0)43 (1.7)75 (3.0)73 (2.9)86 (3.4)
Average precipitation days (≥ 1 mm)777963445967

Monthly sunshine hours in Las Rosas, Argentina

The sunniest months in Las Rosas are February, November and December, when the sun shines an average of 11 hours 41 minutes a day. Least sunny months in Las Rosas: May, June and July receive an average of 7 hours 32 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Las Rosas. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours296322317260229228235286282315351378
Mean daily daylight hours13h 59m13h 12m12h 14m11h 14m10h 25m10h 2m10h 14m10h 57m11h 54m12h 54m13h 47m14h 13m

Solar UV radiation in Las Rosas, Argentina

Las Rosas experiences the highest level of ultraviolet (UV) radiation in January, November and December, when the maximum UV index can reach values of 14 - 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 Las Rosas UV Index data.

Average daily maximum UV levels by month for Las Rosas. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)141311854468111414