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Monthly climate in Santo Augusto, Brazil

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Santo Augusto features a humid subtropical climate (Cfa). Temperatures typically range between 15 °C (59 °F) and 24 °C (76 °F) through the year, but rarely can drop to -1 °C (30 °F) or can rise to as high as 37 °C (99 °F). The average annual precipitation amounts to about 1646 mm (64.8 inches) and receives 121 rainy days on the 1 mm (0.04 inches) threshold annually. Santo Augusto enjoys an average of 3370 hours of sunshine throughout the year, and daylight varies from 10 hours 23 minutes to 13 hours 51 minutes per day.

Monthly average temperatures in Santo Augusto, Brazil

The warmest months in Santo Augusto are January, February and December, with daily mean temperatures ranging from 24 to 24 °C (75 - 76 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 15 to 16 °C (59 - 62 °F) throughout the day. On average each year, Santo Augusto experiences 188 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 Santo Augusto. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum37°C
(99°F)		36°C
(97°F)		36°C
(97°F)		33°C
(91°F)		31°C
(88°F)		29°C
(84°F)		29°C
(84°F)		33°C
(92°F)		34°C
(94°F)		37°C
(99°F)		37°C
(99°F)		37°C
(99°F)
Mean maximum34°C
(93°F)		33°C
(92°F)		34°C
(93°F)		31°C
(88°F)		29°C
(84°F)		25°C
(78°F)		27°C
(82°F)		32°C
(89°F)		33°C
(92°F)		33°C
(92°F)		34°C
(93°F)		35°C
(96°F)
Average high29°C
(85°F)		29°C
(84°F)		28°C
(83°F)		25°C
(78°F)		22°C
(71°F)		20°C
(68°F)		20°C
(68°F)		22°C
(72°F)		25°C
(77°F)		26°C
(79°F)		28°C
(83°F)		30°C
(86°F)
Daily mean24°C
(76°F)		24°C
(75°F)		23°C
(73°F)		20°C
(69°F)		17°C
(63°F)		15°C
(60°F)		15°C
(59°F)		16°C
(62°F)		19°C
(67°F)		21°C
(70°F)		23°C
(73°F)		24°C
(76°F)
Average low20°C
(69°F)		19°C
(67°F)		18°C
(65°F)		16°C
(61°F)		13°C
(56°F)		12°C
(53°F)		11°C
(51°F)		12°C
(53°F)		15°C
(59°F)		16°C
(61°F)		17°C
(63°F)		19°C
(66°F)
Mean minimum16°C
(60°F)		13°C
(56°F)		12°C
(54°F)		10°C
(50°F)		7°C
(44°F)		3°C
(37°F)		0°C
(33°F)		2°C
(36°F)		8°C
(47°F)		10°C
(51°F)		12°C
(53°F)		14°C
(57°F)
Minimum14°C
(57°F)		10°C
(50°F)		11°C
(52°F)		6°C
(44°F)		4°C
(40°F)		1°C
(33°F)		-1°C
(30°F)		-1°C
(31°F)		6°C
(42°F)		9°C
(48°F)		9°C
(48°F)		11°C
(52°F)

Compare climate in Santo Augusto with other places

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

Monthly average precipitation in Santo Augusto, Brazil

Santo Augusto usually has the most precipitation in January, May and October, with an average of 12 rainy days and 188 mm (7.4 inches) of precipitation per month. The driest months in Santo Augusto are July, August and December. On average, 97 mm (3.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Santo Augusto. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)161 (6.3)120 (4.7)126 (5.0)119 (4.7)212 (8.4)158 (6.2)106 (4.2)82 (3.2)123 (4.8)191 (7.5)144 (5.7)104 (4.1)
Average precipitation days (≥ 1 mm)151311811975912912

Monthly sunshine hours in Santo Augusto, Brazil

The sunniest months in Santo Augusto are February, November and December, when the sun shines an average of 11 hours 3 minutes a day. Least sunny months in Santo Augusto: May, June and July receive an average of 7 hours 40 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Santo Augusto. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours257308304276229220256278264286318368
Mean daily daylight hours13h 39m13h 1m12h 12m11h 23m10h 42m10h 23m10h 33m11h 9m11h 56m12h 45m13h 29m13h 51m

Solar UV radiation in Santo Augusto, Brazil

Santo Augusto 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 Santo Augusto UV Index data.

Average daily maximum UV levels by month for Santo Augusto. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)15141310656710131415