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Monthly climate in Rio Brilhante, Brazil

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Rio Brilhante features a tropical monsoon climate (Am). Temperatures typically range between 20 °C (68 °F) and 27 °C (81 °F) through the year, but rarely can drop to 1 °C (34 °F) or can rise to as high as 41 °C (107 °F). The average annual precipitation amounts to about 1085 mm (42.7 inches) and receives 111 rainy days on the 1 mm (0.04 inches) threshold annually. Rio Brilhante enjoys an average of 3606 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 Rio Brilhante, Brazil

The warmest months in Rio Brilhante are January, March and December, with daily mean temperatures ranging from 27 to 27 °C (80 - 81 °F) throughout the day. The coldest temperatures usually occur in May, June and July, when daily mean temperatures range from 20 to 22 °C (68 - 71 °F) throughout the day. On average each year, Rio Brilhante experiences 293 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 Rio Brilhante. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum38°C
(100°F)		37°C
(99°F)		37°C
(99°F)		35°C
(96°F)		34°C
(94°F)		33°C
(92°F)		35°C
(95°F)		38°C
(101°F)		41°C
(107°F)		41°C
(105°F)		40°C
(105°F)		37°C
(99°F)
Mean maximum36°C
(96°F)		36°C
(97°F)		36°C
(97°F)		34°C
(94°F)		33°C
(91°F)		30°C
(86°F)		33°C
(92°F)		36°C
(98°F)		40°C
(103°F)		38°C
(101°F)		37°C
(100°F)		36°C
(97°F)
Average high32°C
(89°F)		32°C
(90°F)		32°C
(90°F)		30°C
(87°F)		28°C
(82°F)		26°C
(80°F)		27°C
(82°F)		29°C
(84°F)		33°C
(92°F)		32°C
(91°F)		32°C
(90°F)		32°C
(90°F)
Daily mean27°C
(80°F)		26°C
(80°F)		27°C
(80°F)		24°C
(76°F)		22°C
(71°F)		21°C
(69°F)		20°C
(68°F)		22°C
(72°F)		26°C
(79°F)		26°C
(80°F)		26°C
(80°F)		27°C
(81°F)
Average low23°C
(73°F)		22°C
(72°F)		22°C
(72°F)		19°C
(67°F)		17°C
(62°F)		16°C
(61°F)		14°C
(57°F)		16°C
(61°F)		20°C
(68°F)		21°C
(70°F)		21°C
(71°F)		22°C
(72°F)
Mean minimum20°C
(69°F)		18°C
(64°F)		18°C
(66°F)		13°C
(56°F)		8°C
(48°F)		10°C
(51°F)		4°C
(39°F)		7°C
(45°F)		14°C
(58°F)		15°C
(59°F)		17°C
(64°F)		18°C
(64°F)
Minimum19°C
(67°F)		16°C
(61°F)		17°C
(63°F)		9°C
(49°F)		7°C
(44°F)		4°C
(39°F)		1°C
(34°F)		4°C
(40°F)		9°C
(49°F)		11°C
(52°F)		16°C
(60°F)		17°C
(62°F)

Compare climate in Rio Brilhante with other places

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

Monthly average precipitation in Rio Brilhante, Brazil

Rio Brilhante usually has the most precipitation in January, October and December, with an average of 15 rainy days and 142 mm (5.6 inches) of precipitation per month. The driest months in Rio Brilhante are June, July and September. On average, 33 mm (1.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Rio Brilhante. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)144 (5.7)127 (5.0)117 (4.6)64 (2.5)62 (2.4)47 (1.9)13 (0.5)72 (2.8)38 (1.5)133 (5.2)117 (4.6)150 (5.9)
Average precipitation days (≥ 1 mm)181412656154131215

Monthly sunshine hours in Rio Brilhante, Brazil

The sunniest months in Rio Brilhante are March, November and December, when the sun shines an average of 10 hours 40 minutes a day. Least sunny months in Rio Brilhante: January, May and June receive an average of 8 hours 46 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Rio Brilhante. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours257299331297285264308299305306318330
Mean daily daylight hours13h 16m12h 47m12h 10m11h 33m11h 3m10h 48m10h 56m11h 22m11h 58m12h 35m13h 8m13h 25m

Solar UV radiation in Rio Brilhante, Brazil

Rio Brilhante experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 15 - 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 Rio Brilhante UV Index data.

Average daily maximum UV levels by month for Rio Brilhante. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)151513118781011141416