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Monthly climate in Justiniano Posse, Argentina

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Justiniano Posse features a humid subtropical climate (Cfa). Temperatures typically range between 10 °C (51 °F) and 24 °C (76 °F) through the year, but rarely can drop to -4 °C (26 °F) or can rise to as high as 41 °C (105 °F). The average annual precipitation amounts to about 792 mm (31.2 inches) and receives 70 rainy days on the 1 mm (0.04 inches) threshold annually. Justiniano Posse enjoys an average of 3507 hours of sunshine throughout the year, and daylight varies from 10 hours 0 minutes to 14 hours 16 minutes per day.

Monthly average temperatures in Justiniano Posse, Argentina

The warmest months in Justiniano Posse are January, February and December, with daily mean temperatures ranging from 23 to 24 °C (74 - 76 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 10 to 13 °C (51 - 55 °F) throughout the day. On average each year, Justiniano Posse experiences 157 days above 25 °C (77.0 °F) and 4 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Justiniano Posse. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum41°C
(105°F)		37°C
(98°F)		36°C
(98°F)		33°C
(92°F)		32°C
(90°F)		27°C
(81°F)		26°C
(80°F)		32°C
(89°F)		36°C
(97°F)		38°C
(101°F)		36°C
(98°F)		39°C
(103°F)
Mean maximum36°C
(97°F)		35°C
(95°F)		33°C
(92°F)		31°C
(88°F)		28°C
(82°F)		22°C
(71°F)		24°C
(75°F)		29°C
(85°F)		33°C
(91°F)		34°C
(94°F)		36°C
(96°F)		37°C
(99°F)
Average high30°C
(87°F)		29°C
(85°F)		27°C
(81°F)		25°C
(77°F)		20°C
(69°F)		17°C
(63°F)		16°C
(61°F)		20°C
(68°F)		22°C
(72°F)		24°C
(76°F)		28°C
(83°F)		30°C
(87°F)
Daily mean24°C
(76°F)		23°C
(74°F)		21°C
(70°F)		19°C
(66°F)		14°C
(58°F)		11°C
(52°F)		10°C
(51°F)		13°C
(55°F)		16°C
(60°F)		18°C
(65°F)		22°C
(72°F)		24°C
(75°F)
Average low19°C
(66°F)		18°C
(64°F)		16°C
(61°F)		14°C
(57°F)		10°C
(50°F)		6°C
(44°F)		6°C
(42°F)		7°C
(44°F)		10°C
(50°F)		12°C
(54°F)		16°C
(60°F)		18°C
(64°F)
Mean minimum13°C
(55°F)		11°C
(51°F)		10°C
(50°F)		7°C
(45°F)		2°C
(36°F)		-1°C
(31°F)		-2°C
(28°F)		-0°C
(31°F)		2°C
(36°F)		5°C
(41°F)		9°C
(48°F)		12°C
(55°F)
Minimum11°C
(53°F)		8°C
(47°F)		8°C
(46°F)		5°C
(41°F)		-2°C
(29°F)		-3°C
(27°F)		-3°C
(27°F)		-4°C
(26°F)		-1°C
(30°F)		3°C
(39°F)		7°C
(45°F)		11°C
(53°F)

Compare climate in Justiniano Posse with other places

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

Monthly average precipitation in Justiniano Posse, Argentina

Justiniano Posse usually has the most precipitation in January, March and April, with an average of 7 rainy days and 108 mm (4.3 inches) of precipitation per month. The driest months in Justiniano Posse are June, July and August. On average, 15 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Justiniano Posse. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)124 (4.9)64 (2.5)99 (3.9)102 (4.0)75 (3.0)15 (0.6)13 (0.5)18 (0.7)46 (1.8)75 (2.9)92 (3.6)69 (2.7)
Average precipitation days (≥ 1 mm)867863225788

Monthly sunshine hours in Justiniano Posse, Argentina

The sunniest months in Justiniano Posse are February, November and December, when the sun shines an average of 11 hours 41 minutes a day. Least sunny months in Justiniano Posse: May, June and July receive an average of 7 hours 42 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Justiniano Posse. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours297316314248229234244288282316355380
Mean daily daylight hours14h 1m13h 14m12h 14m11h 13m10h 24m10h 0m10h 13m10h 56m11h 54m12h 54m13h 48m14h 16m

Solar UV radiation in Justiniano Posse, Argentina

Justiniano Posse 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 Justiniano Posse UV Index data.

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