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Monthly climate in Termas de Rio Hondo, Argentina

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Termas de Rio Hondo features a humid subtropical climate (Cwa). Temperatures typically range between 14 °C (58 °F) and 28 °C (83 °F) through the year, but rarely can drop to 0 °C (31 °F) or can rise to as high as 45 °C (113 °F). The average annual precipitation amounts to about 674 mm (26.6 inches) and receives 87 rainy days on the 1 mm (0.04 inches) threshold annually. Termas de Rio Hondo enjoys an average of 3280 hours of sunshine throughout the year, and daylight varies from 10 hours 24 minutes to 13 hours 50 minutes per day.

Monthly average temperatures in Termas de Rio Hondo, Argentina

The warmest months in Termas de Rio Hondo are January, February and December, with daily mean temperatures ranging from 26 to 28 °C (80 - 83 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 14 to 17 °C (58 - 64 °F) throughout the day. On average each year, Termas de Rio Hondo experiences 226 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Termas de Rio Hondo. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum43°C
(110°F)		42°C
(108°F)		39°C
(102°F)		36°C
(97°F)		31°C
(88°F)		31°C
(87°F)		32°C
(89°F)		38°C
(100°F)		40°C
(105°F)		44°C
(111°F)		45°C
(113°F)		43°C
(110°F)
Mean maximum41°C
(106°F)		39°C
(102°F)		37°C
(99°F)		33°C
(92°F)		30°C
(86°F)		26°C
(79°F)		30°C
(86°F)		35°C
(96°F)		39°C
(103°F)		41°C
(107°F)		41°C
(106°F)		42°C
(108°F)
Average high34°C
(93°F)		32°C
(89°F)		30°C
(86°F)		27°C
(81°F)		23°C
(74°F)		21°C
(70°F)		21°C
(70°F)		25°C
(78°F)		28°C
(83°F)		31°C
(87°F)		32°C
(90°F)		34°C
(93°F)
Daily mean28°C
(83°F)		26°C
(80°F)		25°C
(77°F)		22°C
(72°F)		18°C
(64°F)		14°C
(58°F)		14°C
(58°F)		17°C
(64°F)		21°C
(70°F)		24°C
(76°F)		26°C
(80°F)		28°C
(82°F)
Average low23°C
(74°F)		22°C
(71°F)		20°C
(69°F)		18°C
(65°F)		13°C
(56°F)		9°C
(49°F)		8°C
(47°F)		10°C
(51°F)		15°C
(59°F)		18°C
(65°F)		21°C
(70°F)		22°C
(72°F)
Mean minimum18°C
(65°F)		17°C
(63°F)		15°C
(59°F)		12°C
(53°F)		6°C
(42°F)		4°C
(39°F)		1°C
(33°F)		4°C
(39°F)		7°C
(45°F)		11°C
(51°F)		14°C
(58°F)		17°C
(64°F)
Minimum16°C
(61°F)		15°C
(60°F)		10°C
(51°F)		9°C
(48°F)		3°C
(37°F)		2°C
(36°F)		-0°C
(31°F)		2°C
(36°F)		5°C
(42°F)		9°C
(49°F)		12°C
(54°F)		15°C
(60°F)

Compare climate in Termas de Rio Hondo with other places

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

Monthly average precipitation in Termas de Rio Hondo, Argentina

Termas de Rio Hondo usually has the most precipitation in January, February and March, with an average of 10 rainy days and 103 mm (4.1 inches) of precipitation per month. The driest months in Termas de Rio Hondo are June, July and August. On average, 7 mm (0.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Termas de Rio Hondo. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)96 (3.8)118 (4.6)95 (3.7)78 (3.1)40 (1.6)12 (0.5)7 (0.3)2 (0.1)18 (0.7)42 (1.6)85 (3.4)81 (3.2)
Average precipitation days (≥ 1 mm)11101110942137910

Monthly sunshine hours in Termas de Rio Hondo, Argentina

The sunniest months in Termas de Rio Hondo are August, November and December, when the sun shines an average of 10 hours 16 minutes a day. Least sunny months in Termas de Rio Hondo: April, May and June receive an average of 7 hours 41 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Termas de Rio Hondo. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours263278278232223243257302279278310331
Mean daily daylight hours13h 38m13h 0m12h 12m11h 23m10h 43m10h 24m10h 35m11h 10m11h 56m12h 45m13h 28m13h 50m

Solar UV radiation in Termas de Rio Hondo, Argentina

Termas de Rio Hondo experiences the highest level of ultraviolet (UV) radiation in January, November and December, when the maximum UV index can reach values of 15 - 15, 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 7. For more detailed information, check out our hourly Termas de Rio Hondo UV Index data.

Average daily maximum UV levels by month for Termas de Rio Hondo. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)15141310756710131515