Last updated: May 6, 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.
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).
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 temperature, precipitation, sunshine, UV index in Rio Negro, Paraná, Brazil with other places around the world.
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.
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 |
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.
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 |
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.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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UV Index (month maximum) | 15 | 15 | 13 | 11 | 8 | 6 | 6 | 9 | 11 | 13 | 15 | 15 |