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Monthly climate in Lomas de Vallejos, Argentina

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Lomas de Vallejos features a humid subtropical climate (Cfa). Temperatures typically range between 16 °C (60 °F) and 28 °C (83 °F) through the year, but rarely can drop to -1 °C (31 °F) or can rise to as high as 43 °C (109 °F). The average annual precipitation amounts to about 1236 mm (48.6 inches) and receives 98 rainy days on the 1 mm (0.04 inches) threshold annually. Lomas de Vallejos enjoys an average of 3442 hours of sunshine throughout the year, and daylight varies from 10 hours 23 minutes to 13 hours 51 minutes per day.

Monthly average temperatures in Lomas de Vallejos, Argentina

The warmest months in Lomas de Vallejos are January, February and December, with daily mean temperatures ranging from 27 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 16 to 18 °C (60 - 64 °F) throughout the day. On average each year, Lomas de Vallejos experiences 225 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 Lomas de Vallejos. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum42°C
(108°F)		42°C
(108°F)		40°C
(105°F)		35°C
(96°F)		33°C
(91°F)		32°C
(90°F)		33°C
(91°F)		37°C
(100°F)		40°C
(103°F)		43°C
(109°F)		39°C
(103°F)		40°C
(104°F)
Mean maximum38°C
(101°F)		38°C
(101°F)		37°C
(99°F)		33°C
(92°F)		30°C
(87°F)		28°C
(82°F)		31°C
(89°F)		35°C
(95°F)		37°C
(99°F)		39°C
(102°F)		37°C
(99°F)		39°C
(102°F)
Average high33°C
(92°F)		33°C
(91°F)		31°C
(87°F)		27°C
(81°F)		23°C
(74°F)		22°C
(71°F)		21°C
(71°F)		24°C
(76°F)		26°C
(79°F)		29°C
(84°F)		31°C
(88°F)		33°C
(91°F)
Daily mean28°C
(83°F)		27°C
(81°F)		25°C
(77°F)		22°C
(72°F)		18°C
(65°F)		16°C
(62°F)		16°C
(60°F)		18°C
(64°F)		20°C
(69°F)		23°C
(73°F)		25°C
(77°F)		27°C
(80°F)
Average low23°C
(74°F)		22°C
(71°F)		20°C
(68°F)		18°C
(64°F)		14°C
(58°F)		12°C
(54°F)		11°C
(52°F)		12°C
(54°F)		15°C
(59°F)		17°C
(64°F)		19°C
(67°F)		21°C
(70°F)
Mean minimum17°C
(63°F)		15°C
(60°F)		14°C
(57°F)		11°C
(53°F)		7°C
(45°F)		3°C
(39°F)		1°C
(34°F)		3°C
(38°F)		9°C
(48°F)		12°C
(53°F)		14°C
(57°F)		15°C
(60°F)
Minimum15°C
(59°F)		13°C
(56°F)		12°C
(55°F)		8°C
(47°F)		5°C
(41°F)		1°C
(34°F)		-1°C
(31°F)		-0°C
(32°F)		7°C
(45°F)		10°C
(51°F)		9°C
(49°F)		13°C
(56°F)

Compare climate in Lomas de Vallejos with other places

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

Monthly average precipitation in Lomas de Vallejos, Argentina

Lomas de Vallejos usually has the most precipitation in January, April and November, with an average of 9 rainy days and 142 mm (5.6 inches) of precipitation per month. The driest months in Lomas de Vallejos are June, July and August. On average, 53 mm (2.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Lomas de Vallejos. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)136 (5.4)77 (3.0)132 (5.2)137 (5.4)134 (5.3)69 (2.7)45 (1.8)46 (1.8)89 (3.5)122 (4.8)153 (6.0)94 (3.7)
Average precipitation days (≥ 1 mm)1189710755101196

Monthly sunshine hours in Lomas de Vallejos, Argentina

The sunniest months in Lomas de Vallejos are March, November and December, when the sun shines an average of 11 hours 2 minutes a day. Least sunny months in Lomas de Vallejos: May, June and July 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 Lomas de Vallejos. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours273310314270239224242292278294322378
Mean daily daylight hours13h 39m13h 0m12h 12m11h 23m10h 43m10h 23m10h 34m11h 9m11h 56m12h 45m13h 29m13h 51m

Solar UV radiation in Lomas de Vallejos, Argentina

Lomas de Vallejos 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 Lomas de Vallejos UV Index data.

Average daily maximum UV levels by month for Lomas de Vallejos. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)14141310656710131414