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Monthly climate in Santa Maria, Argentina

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Santa Maria features a subtropical climate (Cwb). Temperatures typically range between 8 °C (47 °F) and 17 °C (63 °F) through the year, but rarely can drop to -9 °C (15 °F) or can rise to as high as 31 °C (88 °F). The average annual precipitation amounts to about 246 mm (9.7 inches) and receives 47 rainy days on the 1 mm (0.04 inches) threshold annually. Santa Maria enjoys an average of 3638 hours of sunshine throughout the year, and daylight varies from 10 hours 28 minutes to 13 hours 46 minutes per day.

Monthly average temperatures in Santa Maria, Argentina

The warmest months in Santa Maria are January, February and December, with daily mean temperatures ranging from 16 to 17 °C (61 - 63 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 8 to 9 °C (47 - 48 °F) throughout the day. On average each year, Santa Maria experiences 39 days above 25 °C (77.0 °F) and 41 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Santa Maria. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum30°C
(86°F)		29°C
(84°F)		31°C
(87°F)		30°C
(86°F)		27°C
(80°F)		26°C
(80°F)		25°C
(77°F)		27°C
(80°F)		29°C
(84°F)		30°C
(87°F)		31°C
(87°F)		31°C
(88°F)
Mean maximum28°C
(83°F)		27°C
(81°F)		28°C
(82°F)		26°C
(80°F)		25°C
(77°F)		22°C
(72°F)		24°C
(75°F)		25°C
(77°F)		27°C
(81°F)		29°C
(85°F)		29°C
(84°F)		28°C
(83°F)
Average high23°C
(73°F)		22°C
(72°F)		22°C
(71°F)		20°C
(69°F)		19°C
(66°F)		17°C
(64°F)		17°C
(64°F)		18°C
(65°F)		20°C
(69°F)		22°C
(71°F)		22°C
(72°F)		22°C
(72°F)
Daily mean17°C
(63°F)		16°C
(61°F)		15°C
(59°F)		13°C
(56°F)		10°C
(51°F)		8°C
(47°F)		8°C
(47°F)		9°C
(48°F)		12°C
(53°F)		14°C
(58°F)		15°C
(60°F)		16°C
(61°F)
Average low12°C
(54°F)		11°C
(52°F)		10°C
(50°F)		7°C
(45°F)		4°C
(39°F)		1°C
(34°F)		0°C
(32°F)		1°C
(34°F)		4°C
(40°F)		8°C
(46°F)		10°C
(50°F)		11°C
(52°F)
Mean minimum8°C
(47°F)		7°C
(46°F)		6°C
(43°F)		2°C
(36°F)		-3°C
(27°F)		-5°C
(23°F)		-7°C
(20°F)		-6°C
(22°F)		-3°C
(27°F)		2°C
(36°F)		5°C
(42°F)		7°C
(45°F)
Minimum6°C
(43°F)		5°C
(42°F)		4°C
(40°F)		0°C
(32°F)		-4°C
(25°F)		-8°C
(19°F)		-9°C
(15°F)		-7°C
(19°F)		-5°C
(24°F)		-1°C
(31°F)		2°C
(36°F)		6°C
(42°F)

Compare climate in Santa Maria with other places

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

Monthly average precipitation in Santa Maria, Argentina

Santa Maria usually has the most precipitation in January, February and December, with an average of 9 rainy days and 49 mm (1.9 inches) of precipitation per month. The driest months in Santa Maria are May, July and August. On average, 2 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Santa Maria. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)57 (2.3)55 (2.2)30 (1.2)19 (0.8)3 (0.1)3 (0.1)2 (0.1)3 (0.1)5 (0.2)10 (0.4)23 (0.9)36 (1.4)
Average precipitation days (≥ 1 mm)1097400001259

Monthly sunshine hours in Santa Maria, Argentina

The sunniest months in Santa Maria are August, September and October, when the sun shines an average of 10 hours 36 minutes a day. Least sunny months in Santa Maria: January, February and April receive an average of 9 hours 14 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Santa Maria. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours263284296283300291307324323327311323
Mean daily daylight hours13h 35m12h 58m12h 12m11h 25m10h 46m10h 28m10h 38m11h 12m11h 56m12h 43m13h 25m13h 46m

Solar UV radiation in Santa Maria, Argentina

Santa Maria experiences the highest level of ultraviolet (UV) radiation in January, November and December, when the maximum UV index can reach values of 17 - 18, which corresponds to the Extreme category of sun exposure. May, June and July are in the High / Very High exposure category. In these months, the maximum values of the UV index do not exceed 8. For more detailed information, check out our hourly Santa Maria UV Index data.

Average daily maximum UV levels by month for Santa Maria. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)17161512868913151718