nomadseason

Monthly climate in Rosario de la Frontera, Argentina

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Rosario de la Frontera features a humid subtropical climate (Cwa). Temperatures typically range between 11 °C (52 °F) and 23 °C (73 °F) through the year, but rarely can drop to -4 °C (25 °F) or can rise to as high as 40 °C (105 °F). The average annual precipitation amounts to about 1087 mm (42.8 inches) and receives 131 rainy days on the 1 mm (0.04 inches) threshold annually. Rosario de la Frontera enjoys an average of 3074 hours of sunshine throughout the year, and daylight varies from 10 hours 32 minutes to 13 hours 42 minutes per day.

Monthly average temperatures in Rosario de la Frontera, Argentina

The warmest months in Rosario de la Frontera are January, November and December, with daily mean temperatures ranging from 21 to 23 °C (71 - 73 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 11 to 14 °C (52 - 57 °F) throughout the day. On average each year, Rosario de la Frontera experiences 144 days above 25 °C (77.0 °F) and 7 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Rosario de la Frontera. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum38°C
(100°F)		34°C
(93°F)		33°C
(92°F)		30°C
(86°F)		30°C
(86°F)		29°C
(84°F)		30°C
(87°F)		34°C
(94°F)		38°C
(100°F)		40°C
(105°F)		38°C
(100°F)		36°C
(97°F)
Mean maximum35°C
(95°F)		32°C
(89°F)		31°C
(88°F)		28°C
(82°F)		27°C
(80°F)		24°C
(75°F)		28°C
(82°F)		32°C
(90°F)		35°C
(95°F)		37°C
(99°F)		35°C
(96°F)		35°C
(95°F)
Average high28°C
(83°F)		26°C
(79°F)		25°C
(76°F)		23°C
(73°F)		20°C
(68°F)		18°C
(65°F)		19°C
(66°F)		22°C
(73°F)		25°C
(77°F)		26°C
(80°F)		27°C
(81°F)		28°C
(82°F)
Daily mean23°C
(73°F)		21°C
(70°F)		20°C
(67°F)		18°C
(64°F)		14°C
(57°F)		11°C
(52°F)		11°C
(52°F)		14°C
(57°F)		17°C
(63°F)		20°C
(68°F)		21°C
(71°F)		22°C
(72°F)
Average low18°C
(65°F)		17°C
(63°F)		16°C
(60°F)		13°C
(56°F)		9°C
(49°F)		5°C
(42°F)		5°C
(41°F)		6°C
(43°F)		10°C
(51°F)		13°C
(56°F)		16°C
(60°F)		17°C
(63°F)
Mean minimum14°C
(58°F)		13°C
(55°F)		10°C
(51°F)		7°C
(44°F)		2°C
(35°F)		-0°C
(32°F)		-2°C
(28°F)		-0°C
(32°F)		3°C
(37°F)		7°C
(44°F)		10°C
(50°F)		12°C
(54°F)
Minimum11°C
(53°F)		12°C
(54°F)		8°C
(46°F)		4°C
(40°F)		0°C
(33°F)		-4°C
(25°F)		-3°C
(27°F)		-2°C
(28°F)		-1°C
(31°F)		6°C
(43°F)		7°C
(46°F)		10°C
(50°F)

Compare climate in Rosario de la Frontera with other places

Compare temperature, precipitation, sunshine, UV index in Rosario de la Frontera, Argentina with other places around the world.

Monthly average precipitation in Rosario de la Frontera, Argentina

Rosario de la Frontera usually has the most precipitation in January, February and December, with an average of 17 rainy days and 194 mm (7.7 inches) of precipitation per month. The driest months in Rosario de la Frontera are June, July and August. On average, 11 mm (0.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Rosario de la Frontera. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)204 (8.0)211 (8.3)142 (5.6)99 (3.9)41 (1.6)18 (0.7)9 (0.4)6 (0.2)18 (0.7)66 (2.6)104 (4.1)168 (6.6)
Average precipitation days (≥ 1 mm)18171814105215111416

Monthly sunshine hours in Rosario de la Frontera, Argentina

The sunniest months in Rosario de la Frontera are August, October and December, when the sun shines an average of 9 hours 31 minutes a day. Least sunny months in Rosario de la Frontera: March, April and May receive an average of 7 hours 11 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Rosario de la Frontera. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours242247239199223244253303267274272308
Mean daily daylight hours13h 31m12h 56m12h 11m11h 26m10h 49m10h 32m10h 41m11h 14m11h 57m12h 42m13h 22m13h 42m

Solar UV radiation in Rosario de la Frontera, Argentina

Rosario de la Frontera experiences the highest level of ultraviolet (UV) radiation in January, November and December, when the maximum UV index can reach values of 16 - 16, which corresponds to the Extreme category of sun exposure. May, June and July are in the High / Very High exposure category. In these months, the maximum values of the UV index do not exceed 8. For more detailed information, check out our hourly Rosario de la Frontera UV Index data.

Average daily maximum UV levels by month for Rosario de la Frontera. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)16151411867811141616