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Monthly climate in Arias, Argentina

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Arias features a humid subtropical climate (Cfa). Temperatures typically range between 10 °C (50 °F) and 24 °C (75 °F) through the year, but rarely can drop to -5 °C (22 °F) or can rise to as high as 40 °C (105 °F). The average annual precipitation amounts to about 860 mm (33.9 inches) and receives 75 rainy days on the 1 mm (0.04 inches) threshold annually. Arias enjoys an average of 3468 hours of sunshine throughout the year, and daylight varies from 9 hours 56 minutes to 14 hours 19 minutes per day.

Monthly average temperatures in Arias, Argentina

The warmest months in Arias are January, February and December, with daily mean temperatures ranging from 23 to 24 °C (73 - 75 °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 - 54 °F) throughout the day. On average each year, Arias experiences 142 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 Arias. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum40°C
(105°F)		36°C
(97°F)		35°C
(96°F)		33°C
(92°F)		32°C
(89°F)		26°C
(79°F)		25°C
(78°F)		30°C
(87°F)		35°C
(95°F)		38°C
(101°F)		36°C
(98°F)		38°C
(100°F)
Mean maximum36°C
(96°F)		34°C
(94°F)		33°C
(91°F)		30°C
(86°F)		27°C
(81°F)		21°C
(70°F)		23°C
(73°F)		28°C
(83°F)		32°C
(89°F)		34°C
(93°F)		35°C
(96°F)		37°C
(98°F)
Average high29°C
(85°F)		28°C
(83°F)		27°C
(80°F)		24°C
(75°F)		19°C
(67°F)		16°C
(62°F)		16°C
(60°F)		19°C
(67°F)		21°C
(70°F)		23°C
(74°F)		27°C
(81°F)		29°C
(85°F)
Daily mean24°C
(75°F)		23°C
(73°F)		21°C
(69°F)		18°C
(65°F)		14°C
(57°F)		10°C
(51°F)		10°C
(50°F)		12°C
(54°F)		15°C
(59°F)		17°C
(63°F)		21°C
(70°F)		23°C
(74°F)
Average low18°C
(65°F)		17°C
(63°F)		15°C
(60°F)		13°C
(56°F)		9°C
(48°F)		6°C
(43°F)		5°C
(41°F)		6°C
(43°F)		9°C
(48°F)		11°C
(53°F)		15°C
(59°F)		17°C
(63°F)
Mean minimum12°C
(54°F)		10°C
(50°F)		9°C
(48°F)		6°C
(43°F)		1°C
(34°F)		-2°C
(28°F)		-3°C
(26°F)		-1°C
(30°F)		1°C
(35°F)		4°C
(40°F)		8°C
(46°F)		11°C
(51°F)
Minimum10°C
(50°F)		8°C
(47°F)		6°C
(44°F)		3°C
(38°F)		-2°C
(28°F)		-5°C
(24°F)		-5°C
(22°F)		-4°C
(25°F)		-2°C
(28°F)		3°C
(37°F)		6°C
(43°F)		8°C
(46°F)

Compare climate in Arias with other places

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

Monthly average precipitation in Arias, Argentina

Arias usually has the most precipitation in January, March and April, with an average of 8 rainy days and 111 mm (4.4 inches) of precipitation per month. The driest months in Arias are June, July and August. On average, 17 mm (0.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Arias. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)120 (4.7)77 (3.0)107 (4.2)107 (4.2)64 (2.5)17 (0.7)15 (0.6)17 (0.7)67 (2.7)89 (3.5)90 (3.5)89 (3.5)
Average precipitation days (≥ 1 mm)878862326988

Monthly sunshine hours in Arias, Argentina

The sunniest months in Arias are February, November and December, when the sun shines an average of 11 hours 40 minutes a day. Least sunny months in Arias: May, June and July receive an average of 7 hours 27 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Arias. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours297320310245228226231286273316351378
Mean daily daylight hours14h 4m13h 15m12h 14m11h 12m10h 21m9h 56m10h 9m10h 54m11h 53m12h 56m13h 51m14h 19m

Solar UV radiation in Arias, Argentina

Arias experiences the highest level of ultraviolet (UV) radiation in January, November and December, when the maximum UV index can reach values of 13 - 14, which corresponds to the Extreme category of sun exposure. May, June and July are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly Arias UV Index data.

Average daily maximum UV levels by month for Arias. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)141311854468111314