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Monthly climate in Santa Maria, Brazil

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Santa Maria features a humid subtropical climate (Cfa). Temperatures typically range between 14 °C (57 °F) and 25 °C (77 °F) through the year, but rarely can drop to -2 °C (29 °F) or can rise to as high as 39 °C (102 °F). The average annual precipitation amounts to about 1498 mm (59.0 inches) and receives 118 rainy days on the 1 mm (0.04 inches) threshold annually. Santa Maria enjoys an average of 3243 hours of sunshine throughout the year, and daylight varies from 10 hours 15 minutes to 14 hours 0 minutes per day.

Monthly average temperatures in Santa Maria, Brazil

The warmest months in Santa Maria are January, February and December, with daily mean temperatures ranging from 24 to 25 °C (75 - 77 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 14 to 15 °C (57 - 60 °F) throughout the day. On average each year, Santa Maria experiences 182 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 Santa Maria. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum38°C
(101°F)		36°C
(97°F)		38°C
(101°F)		34°C
(93°F)		33°C
(91°F)		30°C
(86°F)		30°C
(85°F)		34°C
(93°F)		33°C
(92°F)		37°C
(98°F)		38°C
(100°F)		39°C
(102°F)
Mean maximum37°C
(98°F)		34°C
(94°F)		35°C
(95°F)		33°C
(91°F)		29°C
(85°F)		26°C
(78°F)		29°C
(84°F)		32°C
(89°F)		31°C
(89°F)		34°C
(93°F)		35°C
(96°F)		37°C
(100°F)
Average high30°C
(87°F)		30°C
(86°F)		28°C
(83°F)		26°C
(79°F)		21°C
(70°F)		19°C
(67°F)		19°C
(67°F)		21°C
(70°F)		22°C
(72°F)		25°C
(77°F)		28°C
(82°F)		30°C
(87°F)
Daily mean25°C
(77°F)		24°C
(75°F)		23°C
(73°F)		20°C
(69°F)		16°C
(61°F)		15°C
(59°F)		14°C
(57°F)		15°C
(60°F)		17°C
(64°F)		19°C
(67°F)		22°C
(71°F)		24°C
(76°F)
Average low20°C
(69°F)		19°C
(66°F)		18°C
(64°F)		16°C
(61°F)		12°C
(55°F)		11°C
(52°F)		9°C
(49°F)		10°C
(51°F)		13°C
(56°F)		14°C
(58°F)		16°C
(61°F)		18°C
(65°F)
Mean minimum15°C
(59°F)		12°C
(55°F)		12°C
(54°F)		9°C
(48°F)		6°C
(42°F)		2°C
(35°F)		0°C
(33°F)		2°C
(36°F)		7°C
(44°F)		9°C
(48°F)		11°C
(51°F)		13°C
(55°F)
Minimum12°C
(54°F)		9°C
(49°F)		10°C
(51°F)		6°C
(42°F)		4°C
(40°F)		0°C
(33°F)		-2°C
(29°F)		0°C
(33°F)		4°C
(39°F)		7°C
(45°F)		9°C
(48°F)		10°C
(50°F)

Compare climate in Santa Maria with other places

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

Monthly average precipitation in Santa Maria, Brazil

Santa Maria usually has the most precipitation in May, September and October, with an average of 11 rainy days and 172 mm (6.8 inches) of precipitation per month. The driest months in Santa Maria are April, August and December. On average, 85 mm (3.3 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)143 (5.6)107 (4.2)116 (4.6)79 (3.1)200 (7.9)120 (4.7)106 (4.2)103 (4.1)148 (5.8)168 (6.6)137 (5.4)72 (2.8)
Average precipitation days (≥ 1 mm)121010911989121198

Monthly sunshine hours in Santa Maria, Brazil

The sunniest months in Santa Maria are February, November and December, when the sun shines an average of 11 hours 2 minutes a day. Least sunny months in Santa Maria: May, June and September receive an average of 7 hours 12 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 hours260313306262221206231257228274311368
Mean daily daylight hours13h 47m13h 5m12h 13m11h 19m10h 36m10h 15m10h 26m11h 4m11h 55m12h 48m13h 36m14h 0m

Solar UV radiation in Santa Maria, Brazil

Santa Maria experiences the highest level of ultraviolet (UV) radiation in January, November and December, when the maximum UV index can reach values of 14 - 15, 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 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)151312965579121414