nomadseason

Monthly climate in Rio Claro, Brazil

Last updated: July 31, 2025

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.

Monthly average temperatures in Rio Claro, Brazil

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).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Rio Claro. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum35°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 maximum34°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 high29°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 mean25°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 low21°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 minimum19°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)
Minimum17°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 climate in Rio Claro with other places

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

Monthly average precipitation in Rio Claro, Brazil

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.

Monthly average precipitation and precipitation days in Rio Claro. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
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)192121161095109181923

Monthly sunshine hours in Rio Claro, Brazil

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.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Rio Claro. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours240255293281278270289261285253257284
Mean daily daylight hours13h 19m12h 49m12h 10m11h 31m11h 0m10h 44m10h 52m11h 20m11h 57m12h 37m13h 11m13h 29m

Solar UV radiation in Rio Claro, Brazil

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.

Average daily maximum UV levels by month for Rio Claro. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)16151311867912131415