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Monthly climate in Rio Segundo, Argentina

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Rio Segundo features a humid subtropical climate (Cwa). Temperatures typically range between 10 °C (50 °F) and 24 °C (76 °F) through the year, but rarely can drop to -6 °C (22 °F) or can rise to as high as 41 °C (107 °F). The average annual precipitation amounts to about 594 mm (23.4 inches) and receives 68 rainy days on the 1 mm (0.04 inches) threshold annually. Rio Segundo enjoys an average of 3642 hours of sunshine throughout the year, and daylight varies from 10 hours 5 minutes to 14 hours 9 minutes per day.

Monthly average temperatures in Rio Segundo, Argentina

The warmest months in Rio Segundo are January, February and December, with daily mean temperatures ranging from 22 to 24 °C (73 - 76 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 10 to 12 °C (50 - 55 °F) throughout the day. On average each year, Rio Segundo experiences 160 days above 25 °C (77.0 °F) and 9 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Rio Segundo. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum40°C
(105°F)		37°C
(98°F)		36°C
(96°F)		33°C
(92°F)		32°C
(90°F)		27°C
(80°F)		29°C
(84°F)		33°C
(92°F)		38°C
(101°F)		38°C
(101°F)		37°C
(98°F)		41°C
(107°F)
Mean maximum36°C
(97°F)		34°C
(94°F)		33°C
(92°F)		31°C
(88°F)		28°C
(82°F)		22°C
(72°F)		25°C
(77°F)		32°C
(89°F)		33°C
(92°F)		36°C
(97°F)		35°C
(96°F)		38°C
(100°F)
Average high30°C
(86°F)		28°C
(83°F)		27°C
(81°F)		24°C
(76°F)		20°C
(69°F)		17°C
(63°F)		17°C
(62°F)		21°C
(69°F)		23°C
(73°F)		25°C
(78°F)		28°C
(83°F)		30°C
(87°F)
Daily mean24°C
(76°F)		22°C
(73°F)		21°C
(70°F)		18°C
(65°F)		14°C
(57°F)		10°C
(51°F)		10°C
(50°F)		12°C
(55°F)		16°C
(60°F)		18°C
(65°F)		22°C
(71°F)		24°C
(75°F)
Average low19°C
(66°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
(42°F)		9°C
(49°F)		12°C
(54°F)		15°C
(60°F)		18°C
(64°F)
Mean minimum13°C
(55°F)		11°C
(52°F)		9°C
(49°F)		7°C
(44°F)		2°C
(35°F)		-1°C
(30°F)		-3°C
(26°F)		-2°C
(29°F)		2°C
(36°F)		4°C
(40°F)		9°C
(49°F)		12°C
(54°F)
Minimum11°C
(53°F)		8°C
(47°F)		7°C
(46°F)		4°C
(40°F)		-2°C
(29°F)		-5°C
(24°F)		-6°C
(22°F)		-6°C
(22°F)		0°C
(32°F)		3°C
(38°F)		6°C
(43°F)		9°C
(48°F)

Compare climate in Rio Segundo with other places

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

Monthly average precipitation in Rio Segundo, Argentina

Rio Segundo usually has the most precipitation in January, February and November, with an average of 8 rainy days and 92 mm (3.6 inches) of precipitation per month. The driest months in Rio Segundo are June, July and August. On average, 8 mm (0.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Rio Segundo. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)110 (4.3)83 (3.3)55 (2.2)63 (2.5)38 (1.5)12 (0.5)8 (0.3)4 (0.1)22 (0.9)46 (1.8)82 (3.2)70 (2.8)
Average precipitation days (≥ 1 mm)897752114897

Monthly sunshine hours in Rio Segundo, Argentina

The sunniest months in Rio Segundo are October, November and December, when the sun shines an average of 11 hours 38 minutes a day. Least sunny months in Rio Segundo: April, May and June receive an average of 8 hours 22 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Rio Segundo. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours302320313252245264269305298331357381
Mean daily daylight hours13h 55m13h 10m12h 13m11h 16m10h 28m10h 5m10h 18m10h 59m11h 54m12h 52m13h 43m14h 9m

Solar UV radiation in Rio Segundo, Argentina

Rio Segundo 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 Rio Segundo UV Index data.

Average daily maximum UV levels by month for Rio Segundo. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)141312864569111414