Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Rio Claro features a humid subtropical climate (Cfa).Temperatures typically range between 18 °C (65 °F) and 25 °C (77 °F) through the year, but rarely can drop to 8 °C (46 °F) or can rise to as high as 36 °C (98 °F).The average annual precipitation amounts to about 1526 mm (60.1 inches) and receives 180 rainy days on the 1 mm (0.04 inches) threshold annually.Rio Claro enjoys an average of 3252 hours of sunshine throughout the year, and daylight varies from 10 hours 44 minutes to 13 hours 29 minutes per day.
The warmest months in Rio Claro are January, February and March, with daily mean temperatures ranging from 24 to 25 °C (75 - 77 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 18 to 19 °C (65 - 67 °F) throughout the day. On average each year, Rio Claro experiences 205 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 35°C (95°F) | 34°C (94°F) | 33°C (92°F) | 33°C (92°F) | 30°C (86°F) | 31°C (87°F) | 30°C (85°F) | 32°C (90°F) | 35°C (96°F) | 36°C (98°F) | 34°C (93°F) | 33°C (93°F) |
Mean maximum | 34°C (93°F) | 33°C (91°F) | 32°C (90°F) | 31°C (88°F) | 29°C (85°F) | 28°C (83°F) | 29°C (84°F) | 31°C (88°F) | 34°C (93°F) | 34°C (93°F) | 33°C (91°F) | 32°C (90°F) |
Average high | 29°C (85°F) | 28°C (83°F) | 28°C (83°F) | 26°C (79°F) | 24°C (76°F) | 24°C (76°F) | 24°C (75°F) | 24°C (75°F) | 27°C (80°F) | 26°C (79°F) | 26°C (78°F) | 27°C (81°F) |
Daily mean | 25°C (77°F) | 24°C (75°F) | 24°C (75°F) | 22°C (71°F) | 20°C (68°F) | 19°C (67°F) | 18°C (65°F) | 18°C (66°F) | 21°C (70°F) | 22°C (72°F) | 22°C (71°F) | 23°C (74°F) |
Average low | 21°C (70°F) | 20°C (69°F) | 20°C (69°F) | 18°C (65°F) | 16°C (61°F) | 15°C (60°F) | 13°C (56°F) | 14°C (58°F) | 17°C (63°F) | 18°C (65°F) | 18°C (65°F) | 20°C (68°F) |
Mean minimum | 19°C (66°F) | 18°C (65°F) | 17°C (63°F) | 15°C (59°F) | 11°C (53°F) | 12°C (55°F) | 10°C (51°F) | 10°C (51°F) | 13°C (56°F) | 15°C (59°F) | 15°C (59°F) | 16°C (62°F) |
Minimum | 17°C (63°F) | 18°C (64°F) | 16°C (61°F) | 14°C (57°F) | 8°C (47°F) | 10°C (51°F) | 8°C (46°F) | 8°C (46°F) | 12°C (54°F) | 14°C (57°F) | 13°C (56°F) | 14°C (57°F) |
Compare temperature, precipitation, sunshine, UV index in Rio Claro, Rio de Janeiro, Brazil with other places around the world.
Rio Claro usually has the most precipitation in January, February and December, with an average of 21 rainy days and 225 mm (8.8 inches) of precipitation per month.The driest months in Rio Claro are June, July and September. On average, 41 mm (1.6 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 238 (9.4) | 211 (8.3) | 202 (7.9) | 95 (3.7) | 68 (2.7) | 35 (1.4) | 29 (1.1) | 65 (2.6) | 58 (2.3) | 127 (5.0) | 174 (6.8) | 225 (8.8) |
Average precipitation days (≥ 1 mm) | 19 | 21 | 21 | 16 | 10 | 9 | 5 | 10 | 9 | 18 | 19 | 23 |
The sunniest months in Rio Claro are March, July and September, when the sun shines an average of 9 hours 26 minutes a day.Least sunny months in Rio Claro: January, February and October receive an average of 8 hours 14 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 240 | 255 | 293 | 281 | 278 | 270 | 289 | 261 | 285 | 253 | 257 | 284 |
Mean daily daylight hours | 13h 19m | 12h 49m | 12h 10m | 11h 31m | 11h 0m | 10h 44m | 10h 52m | 11h 20m | 11h 57m | 12h 37m | 13h 11m | 13h 29m |
Rio Claro 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 Claro UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 16 | 15 | 13 | 11 | 8 | 6 | 7 | 9 | 12 | 13 | 14 | 15 |