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Monthly climate in Rio Tercero, Argentina

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Rio Tercero 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 -5 °C (23 °F) or can rise to as high as 42 °C (107 °F). The average annual precipitation amounts to about 652 mm (25.7 inches) and receives 75 rainy days on the 1 mm (0.04 inches) threshold annually. Rio Tercero enjoys an average of 3615 hours of sunshine throughout the year, and daylight varies from 10 hours 3 minutes to 14 hours 12 minutes per day.

Monthly average temperatures in Rio Tercero, Argentina

The warmest months in Rio Tercero are January, February and December, with daily mean temperatures ranging from 22 to 24 °C (72 - 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 - 54 °F) throughout the day. On average each year, Rio Tercero experiences 149 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 Tercero. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum39°C
(103°F)		36°C
(96°F)		34°C
(93°F)		32°C
(91°F)		32°C
(90°F)		26°C
(79°F)		27°C
(81°F)		32°C
(91°F)		38°C
(101°F)		38°C
(101°F)		36°C
(98°F)		42°C
(107°F)
Mean maximum35°C
(95°F)		34°C
(93°F)		32°C
(90°F)		30°C
(86°F)		27°C
(81°F)		21°C
(71°F)		23°C
(74°F)		30°C
(87°F)		33°C
(91°F)		35°C
(96°F)		35°C
(95°F)		37°C
(99°F)
Average high29°C
(85°F)		28°C
(82°F)		26°C
(79°F)		24°C
(75°F)		20°C
(68°F)		17°C
(62°F)		16°C
(61°F)		20°C
(68°F)		22°C
(72°F)		25°C
(77°F)		28°C
(82°F)		30°C
(86°F)
Daily mean24°C
(75°F)		22°C
(72°F)		20°C
(69°F)		18°C
(64°F)		13°C
(56°F)		10°C
(50°F)		9°C
(49°F)		12°C
(54°F)		15°C
(59°F)		18°C
(64°F)		21°C
(71°F)		23°C
(75°F)
Average low18°C
(65°F)		17°C
(62°F)		15°C
(59°F)		13°C
(56°F)		9°C
(48°F)		5°C
(41°F)		4°C
(40°F)		5°C
(42°F)		9°C
(48°F)		12°C
(53°F)		15°C
(59°F)		17°C
(63°F)
Mean minimum12°C
(54°F)		10°C
(51°F)		9°C
(48°F)		6°C
(44°F)		1°C
(35°F)		-2°C
(29°F)		-3°C
(26°F)		-3°C
(28°F)		2°C
(35°F)		4°C
(39°F)		9°C
(48°F)		12°C
(53°F)
Minimum11°C
(52°F)		6°C
(44°F)		7°C
(45°F)		5°C
(41°F)		-2°C
(29°F)		-5°C
(23°F)		-5°C
(23°F)		-5°C
(23°F)		-1°C
(31°F)		3°C
(38°F)		6°C
(43°F)		8°C
(47°F)

Compare climate in Rio Tercero with other places

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

Monthly average precipitation in Rio Tercero, Argentina

Rio Tercero usually has the most precipitation in January, November and December, with an average of 9 rainy days and 96 mm (3.8 inches) of precipitation per month. The driest months in Rio Tercero are June, July and August. On average, 9 mm (0.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Rio Tercero. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)119 (4.7)79 (3.1)67 (2.6)77 (3.0)41 (1.6)12 (0.5)10 (0.4)5 (0.2)24 (0.9)50 (2.0)87 (3.4)83 (3.3)
Average precipitation days (≥ 1 mm)10897611149118

Monthly sunshine hours in Rio Tercero, Argentina

The sunniest months in Rio Tercero are October, November and December, when the sun shines an average of 11 hours 40 minutes a day. Least sunny months in Rio Tercero: April, May and June receive an average of 8 hours 13 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Rio Tercero. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours299319317252239255260300294328360385
Mean daily daylight hours13h 58m13h 12m12h 14m11h 14m10h 26m10h 3m10h 15m10h 58m11h 54m12h 53m13h 46m14h 12m

Solar UV radiation in Rio Tercero, Argentina

Rio Tercero 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 Tercero UV Index data.

Average daily maximum UV levels by month for Rio Tercero. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)141311864568111414