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Monthly climate in Alvear, Argentina

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Alvear features a humid subtropical climate (Cfa). Temperatures typically range between 15 °C (59 °F) and 27 °C (80 °F) through the year, but rarely can drop to 0 °C (32 °F) or can rise to as high as 41 °C (105 °F). The average annual precipitation amounts to about 1426 mm (56.1 inches) and receives 103 rainy days on the 1 mm (0.04 inches) threshold annually. Alvear enjoys an average of 3398 hours of sunshine throughout the year, and daylight varies from 10 hours 17 minutes to 13 hours 57 minutes per day.

Monthly average temperatures in Alvear, Argentina

The warmest months in Alvear are January, February and December, with daily mean temperatures ranging from 26 to 27 °C (78 - 80 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 15 to 16 °C (59 - 62 °F) throughout the day. On average each year, Alvear experiences 208 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 Alvear. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum41°C
(105°F)		40°C
(104°F)		39°C
(103°F)		34°C
(94°F)		32°C
(90°F)		30°C
(86°F)		31°C
(88°F)		35°C
(96°F)		35°C
(95°F)		37°C
(99°F)		38°C
(101°F)		40°C
(104°F)
Mean maximum37°C
(100°F)		37°C
(98°F)		36°C
(98°F)		32°C
(90°F)		29°C
(85°F)		26°C
(80°F)		30°C
(86°F)		32°C
(91°F)		33°C
(93°F)		35°C
(95°F)		36°C
(97°F)		38°C
(100°F)
Average high32°C
(90°F)		32°C
(89°F)		30°C
(86°F)		27°C
(80°F)		22°C
(72°F)		21°C
(69°F)		20°C
(69°F)		22°C
(73°F)		24°C
(76°F)		27°C
(80°F)		29°C
(85°F)		31°C
(89°F)
Daily mean27°C
(80°F)		26°C
(79°F)		24°C
(76°F)		21°C
(71°F)		17°C
(64°F)		16°C
(61°F)		15°C
(59°F)		16°C
(62°F)		19°C
(67°F)		21°C
(71°F)		24°C
(75°F)		26°C
(78°F)
Average low22°C
(72°F)		21°C
(69°F)		19°C
(67°F)		17°C
(63°F)		14°C
(57°F)		12°C
(53°F)		10°C
(51°F)		11°C
(53°F)		14°C
(58°F)		16°C
(61°F)		18°C
(65°F)		20°C
(68°F)
Mean minimum17°C
(62°F)		14°C
(58°F)		13°C
(56°F)		10°C
(51°F)		7°C
(45°F)		3°C
(38°F)		1°C
(34°F)		3°C
(37°F)		8°C
(47°F)		10°C
(51°F)		13°C
(56°F)		14°C
(58°F)
Minimum15°C
(60°F)		12°C
(53°F)		12°C
(53°F)		7°C
(46°F)		5°C
(42°F)		1°C
(35°F)		-0°C
(32°F)		-0°C
(32°F)		6°C
(44°F)		9°C
(49°F)		10°C
(50°F)		12°C
(53°F)

Compare climate in Alvear with other places

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

Monthly average precipitation in Alvear, Argentina

Alvear usually has the most precipitation in January, March and May, with an average of 10 rainy days and 163 mm (6.4 inches) of precipitation per month. The driest months in Alvear are February, July and August. On average, 67 mm (2.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Alvear. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)180 (7.1)62 (2.4)145 (5.7)134 (5.3)163 (6.4)105 (4.1)60 (2.4)78 (3.1)140 (5.5)138 (5.4)130 (5.1)90 (3.5)
Average precipitation days (≥ 1 mm)11910810867101077

Monthly sunshine hours in Alvear, Argentina

The sunniest months in Alvear are March, November and December, when the sun shines an average of 11 hours 5 minutes a day. Least sunny months in Alvear: May, June and July receive an average of 7 hours 33 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Alvear. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours263316318268232220241282260291326376
Mean daily daylight hours13h 44m13h 4m12h 12m11h 20m10h 38m10h 17m10h 28m11h 6m11h 55m12h 47m13h 34m13h 57m

Solar UV radiation in Alvear, Argentina

Alvear 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 Alvear UV Index data.

Average daily maximum UV levels by month for Alvear. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)141312965579131414