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Monthly climate in Mar del Plata, Argentina

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Mar del Plata features a oceanic climate (Cfb). Temperatures typically range between 9 °C (49 °F) and 21 °C (69 °F) through the year, but rarely can drop to 2 °C (36 °F) or can rise to as high as 34 °C (93 °F). The average annual precipitation amounts to about 847 mm (33.3 inches) and receives 98 rainy days on the 1 mm (0.04 inches) threshold annually. Mar del Plata enjoys an average of 3330 hours of sunshine throughout the year, and daylight varies from 9 hours 33 minutes to 14 hours 44 minutes per day.

Monthly average temperatures in Mar del Plata, Argentina

The warmest months in Mar del Plata are January, February and March, with daily mean temperatures ranging from 19 to 21 °C (66 - 69 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 9 to 11 °C (49 - 52 °F) throughout the day. On average each year, Mar del Plata experiences 33 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 Mar del Plata. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum34°C
(93°F)		30°C
(87°F)		28°C
(82°F)		25°C
(78°F)		22°C
(72°F)		19°C
(67°F)		18°C
(65°F)		20°C
(68°F)		21°C
(70°F)		25°C
(78°F)		27°C
(81°F)		31°C
(88°F)
Mean maximum30°C
(87°F)		29°C
(85°F)		26°C
(80°F)		24°C
(76°F)		21°C
(70°F)		16°C
(62°F)		16°C
(61°F)		18°C
(65°F)		19°C
(67°F)		23°C
(74°F)		25°C
(78°F)		29°C
(85°F)
Average high24°C
(76°F)		23°C
(74°F)		22°C
(71°F)		19°C
(67°F)		16°C
(61°F)		13°C
(56°F)		12°C
(53°F)		13°C
(55°F)		14°C
(57°F)		16°C
(61°F)		19°C
(66°F)		22°C
(71°F)
Daily mean21°C
(69°F)		20°C
(69°F)		19°C
(66°F)		17°C
(62°F)		13°C
(56°F)		11°C
(52°F)		9°C
(49°F)		10°C
(50°F)		11°C
(52°F)		13°C
(56°F)		16°C
(61°F)		18°C
(65°F)
Average low17°C
(64°F)		17°C
(64°F)		16°C
(61°F)		14°C
(58°F)		11°C
(52°F)		9°C
(48°F)		7°C
(45°F)		7°C
(46°F)		8°C
(48°F)		10°C
(51°F)		13°C
(55°F)		15°C
(59°F)
Mean minimum13°C
(55°F)		13°C
(56°F)		12°C
(53°F)		11°C
(52°F)		7°C
(45°F)		4°C
(40°F)		3°C
(38°F)		3°C
(38°F)		5°C
(42°F)		6°C
(43°F)		9°C
(48°F)		10°C
(50°F)
Minimum11°C
(53°F)		11°C
(52°F)		9°C
(49°F)		9°C
(48°F)		5°C
(42°F)		3°C
(38°F)		2°C
(36°F)		2°C
(36°F)		4°C
(39°F)		5°C
(41°F)		8°C
(46°F)		8°C
(46°F)

Compare climate in Mar del Plata with other places

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

Monthly average precipitation in Mar del Plata, Argentina

Mar del Plata usually has the most precipitation in February, March and April, with an average of 9 rainy days and 96 mm (3.8 inches) of precipitation per month. The driest months in Mar del Plata are January, May and August. On average, 47 mm (1.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Mar del Plata. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)41 (1.6)108 (4.2)90 (3.5)91 (3.6)53 (2.1)63 (2.5)72 (2.8)49 (1.9)60 (2.4)84 (3.3)70 (2.7)67 (2.6)
Average precipitation days (≥ 1 mm)51098781077999

Monthly sunshine hours in Mar del Plata, Argentina

The sunniest months in Mar del Plata are February, November and December, when the sun shines an average of 11 hours 24 minutes a day. Least sunny months in Mar del Plata: May, June and July receive an average of 6 hours 49 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Mar del Plata. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours301314303249229194203250258312331380
Mean daily daylight hours14h 26m13h 28m12h 16m11h 3m10h 2m9h 33m9h 49m10h 42m11h 51m13h 5m14h 10m14h 44m

Solar UV radiation in Mar del Plata, Argentina

Mar del Plata 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 Mar del Plata UV Index data.

Average daily maximum UV levels by month for Mar del Plata. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)141210643357101213