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Monthly climate in Rio Negro, Paraná, Brazil

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Rio Negro features a oceanic climate (Cfb). Temperatures typically range between 14 °C (57 °F) and 22 °C (72 °F) through the year, but rarely can drop to -4 °C (26 °F) or can rise to as high as 34 °C (94 °F). The average annual precipitation amounts to about 1196 mm (47.1 inches) and receives 134 rainy days on the 1 mm (0.04 inches) threshold annually. Rio Negro enjoys an average of 2940 hours of sunshine throughout the year, and daylight varies from 10 hours 30 minutes to 13 hours 43 minutes per day.

Monthly average temperatures in Rio Negro, Paraná, Brazil §

The warmest months in Rio Negro are January, February and December, with daily mean temperatures ranging from 21 to 22 °C (70 - 72 °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 - 59 °F) throughout the day. On average each year, Rio Negro experiences 139 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 Negro, Paraná, Brazil. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 34°C
(93°F)		 34°C
(94°F)		 32°C
(89°F)		 30°C
(86°F)		 28°C
(83°F)		 26°C
(79°F)		 26°C
(79°F)		 30°C
(87°F)		 32°C
(90°F)		 34°C
(93°F)		 31°C
(89°F)		 34°C
(93°F)
Mean maximum 31°C
(88°F)		 31°C
(89°F)		 30°C
(87°F)		 28°C
(83°F)		 27°C
(80°F)		 23°C
(75°F)		 25°C
(78°F)		 28°C
(84°F)		 31°C
(88°F)		 31°C
(87°F)		 31°C
(88°F)		 31°C
(89°F)
Average high 27°C
(80°F)		 27°C
(80°F)		 26°C
(79°F)		 24°C
(75°F)		 21°C
(70°F)		 20°C
(68°F)		 20°C
(68°F)		 20°C
(69°F)		 24°C
(75°F)		 23°C
(74°F)		 25°C
(77°F)		 27°C
(80°F)
Daily mean 22°C
(72°F)		 21°C
(71°F)		 21°C
(70°F)		 18°C
(65°F)		 16°C
(61°F)		 15°C
(59°F)		 14°C
(57°F)		 15°C
(59°F)		 18°C
(65°F)		 18°C
(65°F)		 19°C
(67°F)		 21°C
(70°F)
Average low 18°C
(66°F)		 18°C
(64°F)		 18°C
(64°F)		 15°C
(59°F)		 12°C
(54°F)		 11°C
(52°F)		 9°C
(48°F)		 10°C
(51°F)		 14°C
(57°F)		 14°C
(58°F)		 15°C
(60°F)		 17°C
(63°F)
Mean minimum 15°C
(59°F)		 14°C
(57°F)		 14°C
(57°F)		 8°C
(47°F)		 4°C
(40°F)		 4°C
(40°F)		 -1°C
(31°F)		 1°C
(35°F)		 8°C
(47°F)		 10°C
(50°F)		 10°C
(50°F)		 13°C
(56°F)
Minimum 13°C
(57°F)		 11°C
(51°F)		 12°C
(53°F)		 4°C
(39°F)		 2°C
(35°F)		 1°C
(33°F)		 -4°C
(26°F)		 -1°C
(30°F)		 5°C
(42°F)		 6°C
(44°F)		 8°C
(46°F)		 11°C
(52°F)

Compare climate in Rio Negro with other places

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

Monthly average precipitation in Rio Negro, Paraná, Brazil §

Rio Negro usually has the most precipitation in January, October and December, with an average of 16 rainy days and 145 mm (5.7 inches) of precipitation per month. The driest months in Rio Negro are April, July and September. On average, 48 mm (1.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Rio Negro, Paraná, Brazil. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 150 (5.9) 124 (4.9) 109 (4.3) 47 (1.9) 87 (3.4) 118 (4.6) 27 (1.0) 79 (3.1) 69 (2.7) 147 (5.8) 103 (4.1) 137 (5.4)
Average precipitation days (≥ 1 mm) 18 15 15 5 8 10 4 7 8 14 13 17

Monthly sunshine hours in Rio Negro, Paraná, Brazil §

The sunniest months in Rio Negro are March, November and December, when the sun shines an average of 9 hours 2 minutes a day. Least sunny months in Rio Negro: January, June and October receive an average of 6 hours 52 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Rio Negro, Paraná, Brazil. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 214 265 272 246 225 205 261 238 240 212 267 291
Mean daily daylight hours 13h 32m 12h 57m 12h 11m 11h 26m 10h 48m 10h 30m 10h 40m 11h 13m 11h 56m 12h 42m 13h 23m 13h 43m

Solar UV radiation in Rio Negro, Paraná, Brazil §

Rio Negro 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 / 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 Negro UV Index data.

Average daily maximum UV levels by month for Rio Negro, Paraná, Brazil. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 15 15 13 11 8 6 6 9 11 13 15 15

Detailed Monthly Weather Insights for Rio Negro, Paraná, Brazil

Discover in-depth weather details for every month in Rio Negro. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Rio Negro's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.