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Monthly climate in Casa Branca, Brazil

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Casa Branca features a humid subtropical climate (Cfa). Temperatures typically range between 18 °C (65 °F) and 24 °C (76 °F) through the year, but rarely can drop to 2 °C (35 °F) or can rise to as high as 38 °C (100 °F). The average annual precipitation amounts to about 973 mm (38.3 inches) and receives 112 rainy days on the 1 mm (0.04 inches) threshold annually. Casa Branca enjoys an average of 3615 hours of sunshine throughout the year, and daylight varies from 10 hours 48 minutes to 13 hours 25 minutes per day.

Monthly average temperatures in Casa Branca, Brazil

The warmest months in Casa Branca are January, October and December, with daily mean temperatures ranging from 24 to 24 °C (76 - 76 °F) throughout the day. The coldest temperatures usually occur in May, June and July, when daily mean temperatures range from 18 to 20 °C (65 - 68 °F) throughout the day. On average each year, Casa Branca experiences 279 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 Casa Branca. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum36°C
(98°F)		37°C
(98°F)		33°C
(92°F)		33°C
(91°F)		31°C
(88°F)		29°C
(85°F)		30°C
(87°F)		33°C
(92°F)		37°C
(99°F)		38°C
(100°F)		37°C
(98°F)		35°C
(96°F)
Mean maximum34°C
(93°F)		34°C
(93°F)		33°C
(91°F)		32°C
(89°F)		30°C
(86°F)		29°C
(84°F)		29°C
(84°F)		32°C
(90°F)		36°C
(96°F)		35°C
(96°F)		34°C
(94°F)		33°C
(92°F)
Average high29°C
(85°F)		29°C
(85°F)		30°C
(86°F)		29°C
(84°F)		26°C
(79°F)		26°C
(78°F)		25°C
(78°F)		27°C
(81°F)		31°C
(88°F)		30°C
(87°F)		29°C
(85°F)		29°C
(85°F)
Daily mean24°C
(76°F)		24°C
(76°F)		24°C
(76°F)		23°C
(73°F)		20°C
(68°F)		19°C
(67°F)		18°C
(65°F)		20°C
(69°F)		24°C
(76°F)		24°C
(76°F)		24°C
(75°F)		24°C
(76°F)
Average low20°C
(69°F)		20°C
(68°F)		20°C
(68°F)		17°C
(63°F)		14°C
(58°F)		14°C
(58°F)		12°C
(54°F)		14°C
(58°F)		18°C
(64°F)		19°C
(67°F)		19°C
(66°F)		20°C
(68°F)
Mean minimum18°C
(64°F)		18°C
(64°F)		16°C
(62°F)		12°C
(55°F)		8°C
(47°F)		10°C
(51°F)		6°C
(43°F)		9°C
(48°F)		13°C
(55°F)		15°C
(60°F)		15°C
(59°F)		17°C
(63°F)
Minimum16°C
(61°F)		17°C
(63°F)		14°C
(58°F)		11°C
(52°F)		4°C
(40°F)		7°C
(45°F)		2°C
(35°F)		5°C
(41°F)		9°C
(49°F)		15°C
(59°F)		11°C
(52°F)		14°C
(58°F)

Compare climate in Casa Branca with other places

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

Monthly average precipitation in Casa Branca, Brazil

Casa Branca usually has the most precipitation in January, February and December, with an average of 17 rainy days and 152 mm (6.0 inches) of precipitation per month. The driest months in Casa Branca are June, July and August. On average, 16 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Casa Branca. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)167 (6.6)140 (5.5)114 (4.5)56 (2.2)34 (1.3)15 (0.6)9 (0.4)22 (0.9)29 (1.1)99 (3.9)139 (5.5)150 (5.9)
Average precipitation days (≥ 1 mm)161713652044131418

Monthly sunshine hours in Casa Branca, Brazil

The sunniest months in Casa Branca are March, July and September, when the sun shines an average of 10 hours 19 minutes a day. Least sunny months in Casa Branca: January, February and June receive an average of 9 hours 6 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Casa Branca. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours242284321307303293316311312303308310
Mean daily daylight hours13h 16m12h 47m12h 10m11h 33m11h 2m10h 48m10h 56m11h 22m11h 58m12h 35m13h 8m13h 25m

Solar UV radiation in Casa Branca, Brazil

Casa Branca experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 16 - 16, 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 Casa Branca UV Index data.

Average daily maximum UV levels by month for Casa Branca. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)161613118781012131416