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Monthly climate in Morteros, Argentina

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Morteros features a humid subtropical climate (Cfa). Temperatures typically range between 12 °C (54 °F) and 26 °C (79 °F) through the year, but rarely can drop to -1 °C (30 °F) or can rise to as high as 42 °C (108 °F). The average annual precipitation amounts to about 866 mm (34.1 inches) and receives 73 rainy days on the 1 mm (0.04 inches) threshold annually. Morteros enjoys an average of 3569 hours of sunshine throughout the year, and daylight varies from 10 hours 9 minutes to 14 hours 5 minutes per day.

Monthly average temperatures in Morteros, Argentina

The warmest months in Morteros are January, February and December, with daily mean temperatures ranging from 24 to 26 °C (76 - 79 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 12 to 15 °C (54 - 58 °F) throughout the day. On average each year, Morteros experiences 183 days above 25 °C (77.0 °F) and 2 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Morteros. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum42°C
(108°F)		39°C
(103°F)		38°C
(100°F)		34°C
(94°F)		31°C
(89°F)		30°C
(87°F)		31°C
(89°F)		36°C
(96°F)		39°C
(102°F)		40°C
(104°F)		41°C
(106°F)		41°C
(106°F)
Mean maximum38°C
(101°F)		36°C
(98°F)		35°C
(95°F)		32°C
(90°F)		28°C
(83°F)		26°C
(79°F)		29°C
(84°F)		33°C
(91°F)		36°C
(97°F)		37°C
(99°F)		38°C
(101°F)		39°C
(102°F)
Average high31°C
(89°F)		30°C
(87°F)		28°C
(83°F)		25°C
(78°F)		21°C
(71°F)		19°C
(66°F)		18°C
(65°F)		22°C
(72°F)		24°C
(76°F)		26°C
(80°F)		29°C
(85°F)		31°C
(88°F)
Daily mean26°C
(79°F)		24°C
(76°F)		22°C
(73°F)		20°C
(68°F)		16°C
(60°F)		13°C
(55°F)		12°C
(54°F)		15°C
(58°F)		18°C
(64°F)		20°C
(69°F)		23°C
(74°F)		25°C
(78°F)
Average low21°C
(69°F)		19°C
(67°F)		17°C
(64°F)		15°C
(60°F)		11°C
(53°F)		8°C
(47°F)		7°C
(45°F)		8°C
(47°F)		12°C
(54°F)		14°C
(58°F)		17°C
(63°F)		19°C
(66°F)
Mean minimum14°C
(58°F)		12°C
(55°F)		11°C
(53°F)		8°C
(48°F)		4°C
(40°F)		1°C
(34°F)		-1°C
(31°F)		1°C
(34°F)		5°C
(41°F)		7°C
(45°F)		11°C
(52°F)		13°C
(55°F)
Minimum13°C
(55°F)		10°C
(50°F)		10°C
(49°F)		4°C
(39°F)		2°C
(36°F)		-1°C
(30°F)		-1°C
(30°F)		-1°C
(31°F)		4°C
(39°F)		6°C
(43°F)		9°C
(48°F)		10°C
(50°F)

Compare climate in Morteros with other places

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

Monthly average precipitation in Morteros, Argentina

Morteros usually has the most precipitation in January, February and November, with an average of 8 rainy days and 112 mm (4.4 inches) of precipitation per month. The driest months in Morteros are June, July and August. On average, 22 mm (0.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Morteros. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)111 (4.4)101 (4.0)88 (3.4)100 (3.9)55 (2.1)22 (0.9)22 (0.9)24 (0.9)31 (1.2)90 (3.5)123 (4.8)101 (4.0)
Average precipitation days (≥ 1 mm)887873343886

Monthly sunshine hours in Morteros, Argentina

The sunniest months in Morteros are October, November and December, when the sun shines an average of 11 hours 27 minutes a day. Least sunny months in Morteros: May, June and July receive an average of 7 hours 52 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Morteros. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours295320315273232237253296290328354371
Mean daily daylight hours13h 52m13h 8m12h 13m11h 17m10h 31m10h 9m10h 21m11h 1m11h 54m12h 51m13h 40m14h 5m

Solar UV radiation in Morteros, Argentina

Morteros 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 Morteros UV Index data.

Average daily maximum UV levels by month for Morteros. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)141312964579121414