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Monthly climate in Santa Rosa de Rio Primero, Argentina

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Santa Rosa de Rio Primero features a humid subtropical climate (Cfa). Temperatures typically range between 11 °C (52 °F) and 25 °C (78 °F) through the year, but rarely can drop to -3 °C (26 °F) or can rise to as high as 42 °C (107 °F). The average annual precipitation amounts to about 714 mm (28.1 inches) and receives 81 rainy days on the 1 mm (0.04 inches) threshold annually. Santa Rosa de Rio Primero enjoys an average of 3527 hours of sunshine throughout the year, and daylight varies from 10 hours 8 minutes to 14 hours 7 minutes per day.

Monthly average temperatures in Santa Rosa de Rio Primero, Argentina

The warmest months in Santa Rosa de Rio Primero are January, February and December, with daily mean temperatures ranging from 24 to 25 °C (75 - 78 °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 - 57 °F) throughout the day. On average each year, Santa Rosa de Rio Primero experiences 174 days above 25 °C (77.0 °F) and 3 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Santa Rosa de Rio Primero. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum41°C
(107°F)		38°C
(100°F)		36°C
(96°F)		34°C
(93°F)		30°C
(87°F)		29°C
(84°F)		29°C
(85°F)		34°C
(94°F)		39°C
(102°F)		39°C
(102°F)		39°C
(103°F)		42°C
(107°F)
Mean maximum38°C
(100°F)		36°C
(96°F)		34°C
(93°F)		31°C
(89°F)		28°C
(82°F)		24°C
(75°F)		26°C
(80°F)		32°C
(90°F)		34°C
(93°F)		37°C
(100°F)		37°C
(99°F)		39°C
(102°F)
Average high31°C
(88°F)		29°C
(85°F)		28°C
(82°F)		25°C
(77°F)		21°C
(70°F)		18°C
(65°F)		17°C
(63°F)		21°C
(70°F)		24°C
(75°F)		26°C
(79°F)		29°C
(85°F)		31°C
(88°F)
Daily mean25°C
(78°F)		24°C
(75°F)		22°C
(72°F)		19°C
(67°F)		15°C
(59°F)		12°C
(53°F)		11°C
(52°F)		13°C
(57°F)		17°C
(62°F)		20°C
(68°F)		23°C
(73°F)		25°C
(77°F)
Average low20°C
(68°F)		18°C
(65°F)		17°C
(62°F)		15°C
(59°F)		10°C
(51°F)		7°C
(44°F)		6°C
(43°F)		7°C
(45°F)		11°C
(51°F)		14°C
(57°F)		17°C
(62°F)		19°C
(66°F)
Mean minimum14°C
(58°F)		12°C
(54°F)		11°C
(51°F)		9°C
(48°F)		3°C
(38°F)		-0°C
(32°F)		-1°C
(30°F)		-0°C
(32°F)		3°C
(38°F)		6°C
(43°F)		11°C
(52°F)		13°C
(55°F)
Minimum12°C
(54°F)		10°C
(50°F)		9°C
(48°F)		4°C
(40°F)		1°C
(35°F)		-3°C
(26°F)		-3°C
(26°F)		-3°C
(28°F)		2°C
(36°F)		5°C
(41°F)		10°C
(50°F)		10°C
(51°F)

Compare climate in Santa Rosa de Rio Primero with other places

Compare temperature, precipitation, sunshine, UV index in Santa Rosa de Rio Primero, Argentina with other places around the world.

Monthly average precipitation in Santa Rosa de Rio Primero, Argentina

Santa Rosa de Rio Primero usually has the most precipitation in January, November and December, with an average of 9 rainy days and 103 mm (4.0 inches) of precipitation per month. The driest months in Santa Rosa de Rio Primero 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 Santa Rosa de Rio Primero. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)119 (4.7)83 (3.3)78 (3.1)85 (3.3)46 (1.8)14 (0.5)13 (0.5)7 (0.3)25 (1.0)56 (2.2)99 (3.9)90 (3.5)
Average precipitation days (≥ 1 mm)10991072225889

Monthly sunshine hours in Santa Rosa de Rio Primero, Argentina

The sunniest months in Santa Rosa de Rio Primero are October, November and December, when the sun shines an average of 11 hours 22 minutes a day. Least sunny months in Santa Rosa de Rio Primero: April, May and June receive an average of 7 hours 59 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Santa Rosa de Rio Primero. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours294312304245229251255298289319351374
Mean daily daylight hours13h 53m13h 9m12h 13m11h 17m10h 30m10h 8m10h 20m11h 1m11h 54m12h 51m13h 41m14h 7m

Solar UV radiation in Santa Rosa de Rio Primero, Argentina

Santa Rosa de Rio Primero 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 / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly Santa Rosa de Rio Primero UV Index data.

Average daily maximum UV levels by month for Santa Rosa de Rio Primero. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)141312964579121414