nomadseason

Monthly climate in Rio Negrinho, Brazil

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Rio Negrinho features a humid subtropical climate (Cfa). Temperatures typically range between 13 °C (56 °F) and 21 °C (70 °F) through the year, but rarely can drop to -4 °C (25 °F) or can rise to as high as 33 °C (92 °F). The average annual precipitation amounts to about 1473 mm (58.0 inches) and receives 167 rainy days on the 1 mm (0.04 inches) threshold annually. Rio Negrinho enjoys an average of 2858 hours of sunshine throughout the year, and daylight varies from 10 hours 30 minutes to 13 hours 44 minutes per day.

Monthly average temperatures in Rio Negrinho, Brazil

The warmest months in Rio Negrinho are January, February and March, with daily mean temperatures ranging from 20 to 21 °C (68 - 70 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 13 to 14 °C (56 - 58 °F) throughout the day. On average each year, Rio Negrinho experiences 106 days above 25 °C (77.0 °F) and 1 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 Negrinho. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum33°C
(92°F)		32°C
(89°F)		31°C
(88°F)		29°C
(85°F)		28°C
(82°F)		25°C
(78°F)		25°C
(78°F)		29°C
(85°F)		31°C
(88°F)		33°C
(91°F)		31°C
(88°F)		33°C
(91°F)
Mean maximum31°C
(87°F)		30°C
(86°F)		30°C
(86°F)		27°C
(81°F)		26°C
(79°F)		23°C
(73°F)		25°C
(77°F)		28°C
(82°F)		30°C
(86°F)		29°C
(85°F)		30°C
(86°F)		30°C
(87°F)
Average high26°C
(79°F)		25°C
(78°F)		25°C
(77°F)		23°C
(73°F)		20°C
(68°F)		19°C
(66°F)		19°C
(67°F)		19°C
(67°F)		22°C
(73°F)		22°C
(72°F)		23°C
(74°F)		25°C
(77°F)
Daily mean21°C
(70°F)		20°C
(69°F)		20°C
(68°F)		18°C
(64°F)		15°C
(60°F)		14°C
(58°F)		13°C
(56°F)		14°C
(57°F)		17°C
(63°F)		17°C
(63°F)		18°C
(65°F)		20°C
(68°F)
Average low18°C
(64°F)		17°C
(63°F)		17°C
(63°F)		14°C
(58°F)		12°C
(53°F)		11°C
(52°F)		9°C
(48°F)		10°C
(50°F)		13°C
(56°F)		14°C
(57°F)		14°C
(58°F)		16°C
(61°F)
Mean minimum14°C
(57°F)		13°C
(56°F)		13°C
(55°F)		8°C
(47°F)		4°C
(39°F)		4°C
(40°F)		-1°C
(30°F)		1°C
(34°F)		7°C
(45°F)		9°C
(49°F)		9°C
(48°F)		12°C
(54°F)
Minimum12°C
(55°F)		10°C
(50°F)		11°C
(53°F)		4°C
(39°F)		1°C
(35°F)		-0°C
(32°F)		-4°C
(25°F)		-1°C
(31°F)		5°C
(41°F)		8°C
(47°F)		7°C
(45°F)		10°C
(50°F)

Compare climate in Rio Negrinho with other places

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

Monthly average precipitation in Rio Negrinho, Brazil

Rio Negrinho usually has the most precipitation in January, October and December, with an average of 19 rainy days and 181 mm (7.1 inches) of precipitation per month. The driest months in Rio Negrinho are April, July and August. On average, 64 mm (2.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Rio Negrinho. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)180 (7.1)147 (5.8)144 (5.7)66 (2.6)99 (3.9)127 (5.0)41 (1.6)84 (3.3)95 (3.7)176 (6.9)127 (5.0)186 (7.3)
Average precipitation days (≥ 1 mm)211820111010589181720

Monthly sunshine hours in Rio Negrinho, Brazil

The sunniest months in Rio Negrinho are February, March and December, when the sun shines an average of 8 hours 56 minutes a day. Least sunny months in Rio Negrinho: January, June and October receive an average of 6 hours 39 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Rio Negrinho. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours207263264244219201254230227204256284
Mean daily daylight hours13h 33m12h 57m12h 11m11h 25m10h 48m10h 30m10h 40m11h 13m11h 56m12h 43m13h 23m13h 44m

Solar UV radiation in Rio Negrinho, Brazil

Rio Negrinho experiences the highest level of ultraviolet (UV) radiation in January, November and December, when the maximum UV index can reach values of 15 - 15, which corresponds to the Extreme category of sun exposure. May, June and July are in the High exposure category. In these months, the maximum values of the UV index do not exceed 7. For more detailed information, check out our hourly Rio Negrinho UV Index data.

Average daily maximum UV levels by month for Rio Negrinho. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)15151311766811131515