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Monthly climate in Monte Hermoso, Argentina

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Monte Hermoso features a oceanic climate (Cfb). Temperatures typically range between 9 °C (48 °F) and 23 °C (73 °F) through the year, but rarely can drop to 0 °C (33 °F) or can rise to as high as 39 °C (103 °F). The average annual precipitation amounts to about 608 mm (23.9 inches) and receives 73 rainy days on the 1 mm (0.04 inches) threshold annually. Monte Hermoso enjoys an average of 3443 hours of sunshine throughout the year, and daylight varies from 9 hours 27 minutes to 14 hours 50 minutes per day.

Monthly average temperatures in Monte Hermoso, Argentina

The warmest months in Monte Hermoso are January, February and December, with daily mean temperatures ranging from 21 to 23 °C (70 - 73 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 9 to 10 °C (48 - 50 °F) throughout the day. On average each year, Monte Hermoso experiences 79 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 Monte Hermoso. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum39°C
(103°F)		35°C
(95°F)		34°C
(93°F)		31°C
(88°F)		24°C
(76°F)		20°C
(68°F)		19°C
(66°F)		23°C
(75°F)		25°C
(76°F)		33°C
(91°F)		31°C
(88°F)		34°C
(93°F)
Mean maximum35°C
(95°F)		33°C
(92°F)		32°C
(89°F)		27°C
(82°F)		23°C
(73°F)		17°C
(63°F)		17°C
(63°F)		21°C
(70°F)		23°C
(73°F)		27°C
(82°F)		30°C
(86°F)		33°C
(92°F)
Average high27°C
(82°F)		26°C
(79°F)		24°C
(76°F)		21°C
(70°F)		16°C
(62°F)		13°C
(56°F)		12°C
(54°F)		14°C
(58°F)		16°C
(61°F)		19°C
(66°F)		22°C
(71°F)		26°C
(78°F)
Daily mean23°C
(73°F)		22°C
(71°F)		20°C
(68°F)		17°C
(63°F)		13°C
(55°F)		10°C
(50°F)		9°C
(48°F)		10°C
(50°F)		12°C
(54°F)		15°C
(58°F)		18°C
(64°F)		21°C
(70°F)
Average low18°C
(65°F)		17°C
(64°F)		16°C
(61°F)		14°C
(57°F)		10°C
(50°F)		7°C
(45°F)		6°C
(43°F)		7°C
(44°F)		8°C
(47°F)		11°C
(51°F)		13°C
(56°F)		16°C
(61°F)
Mean minimum12°C
(54°F)		12°C
(54°F)		11°C
(52°F)		8°C
(48°F)		5°C
(41°F)		3°C
(37°F)		2°C
(35°F)		1°C
(35°F)		3°C
(38°F)		5°C
(41°F)		9°C
(48°F)		10°C
(51°F)
Minimum11°C
(52°F)		11°C
(52°F)		9°C
(49°F)		6°C
(42°F)		3°C
(37°F)		2°C
(35°F)		1°C
(33°F)		0°C
(33°F)		2°C
(36°F)		4°C
(39°F)		8°C
(46°F)		9°C
(48°F)

Compare climate in Monte Hermoso with other places

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

Monthly average precipitation in Monte Hermoso, Argentina

Monte Hermoso usually has the most precipitation in April, November and December, with an average of 7 rainy days and 69 mm (2.7 inches) of precipitation per month. The driest months in Monte Hermoso are January, July and August. On average, 36 mm (1.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Monte Hermoso. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)38 (1.5)50 (2.0)49 (1.9)64 (2.5)51 (2.0)48 (1.9)41 (1.6)29 (1.1)41 (1.6)53 (2.1)86 (3.4)58 (2.3)
Average precipitation days (≥ 1 mm)556666646887

Monthly sunshine hours in Monte Hermoso, Argentina

The sunniest months in Monte Hermoso are October, November and December, when the sun shines an average of 11 hours 29 minutes a day. Least sunny months in Monte Hermoso: May, June and July receive an average of 7 hours 0 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Monte Hermoso. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours317318317255230197217261271326341388
Mean daily daylight hours14h 31m13h 31m12h 16m11h 0m9h 58m9h 27m9h 43m10h 39m11h 51m13h 7m14h 15m14h 50m

Solar UV radiation in Monte Hermoso, Argentina

Monte Hermoso experiences the highest level of ultraviolet (UV) radiation in January, November and December, when the maximum UV index can reach values of 12 - 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 4. For more detailed information, check out our hourly Monte Hermoso UV Index data.

Average daily maximum UV levels by month for Monte Hermoso. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)14121064335791213