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Monthly climate in Formosa do Rio Preto, Brazil

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Formosa do Rio Preto features a tropical savanna climate (Aw). Temperatures typically range between 24 °C (75 °F) and 28 °C (83 °F) through the year, but rarely can drop to 13 °C (56 °F) or can rise to as high as 39 °C (102 °F). The average annual precipitation amounts to about 891 mm (35.1 inches) and receives 89 rainy days on the 1 mm (0.04 inches) threshold annually. Formosa do Rio Preto enjoys an average of 3731 hours of sunshine throughout the year, and daylight varies from 11 hours 28 minutes to 12 hours 44 minutes per day.

Monthly average temperatures in Formosa do Rio Preto, Brazil

The warmest months in Formosa do Rio Preto are September, October and November, with daily mean temperatures ranging from 26 to 28 °C (80 - 83 °F) throughout the day. The coldest temperatures usually occur in February, June and July, when daily mean temperatures range from 24 to 25 °C (75 - 77 °F) throughout the day. On average each year, Formosa do Rio Preto experiences 327 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 Formosa do Rio Preto. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum35°C
(96°F)		35°C
(96°F)		33°C
(91°F)		34°C
(94°F)		36°C
(96°F)		34°C
(93°F)		34°C
(93°F)		35°C
(96°F)		39°C
(102°F)		39°C
(102°F)		38°C
(100°F)		36°C
(97°F)
Mean maximum34°C
(94°F)		33°C
(91°F)		32°C
(90°F)		33°C
(91°F)		33°C
(92°F)		33°C
(91°F)		33°C
(91°F)		35°C
(95°F)		37°C
(99°F)		38°C
(100°F)		35°C
(95°F)		34°C
(93°F)
Average high31°C
(88°F)		30°C
(85°F)		30°C
(86°F)		30°C
(86°F)		31°C
(88°F)		31°C
(87°F)		30°C
(87°F)		32°C
(90°F)		34°C
(93°F)		34°C
(94°F)		31°C
(88°F)		31°C
(87°F)
Daily mean26°C
(79°F)		25°C
(77°F)		25°C
(77°F)		25°C
(78°F)		25°C
(78°F)		24°C
(76°F)		24°C
(75°F)		25°C
(78°F)		27°C
(81°F)		28°C
(83°F)		26°C
(80°F)		26°C
(79°F)
Average low21°C
(71°F)		21°C
(70°F)		21°C
(70°F)		21°C
(70°F)		20°C
(68°F)		19°C
(66°F)		18°C
(64°F)		19°C
(67°F)		21°C
(70°F)		23°C
(73°F)		22°C
(72°F)		22°C
(71°F)
Mean minimum20°C
(68°F)		20°C
(68°F)		19°C
(67°F)		19°C
(66°F)		17°C
(62°F)		17°C
(63°F)		16°C
(60°F)		16°C
(61°F)		18°C
(65°F)		20°C
(69°F)		20°C
(69°F)		20°C
(68°F)
Minimum19°C
(67°F)		19°C
(66°F)		19°C
(66°F)		17°C
(62°F)		13°C
(56°F)		15°C
(59°F)		14°C
(58°F)		15°C
(59°F)		17°C
(63°F)		18°C
(65°F)		19°C
(66°F)		19°C
(67°F)

Compare climate in Formosa do Rio Preto with other places

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

Monthly average precipitation in Formosa do Rio Preto, Brazil

Formosa do Rio Preto usually has the most precipitation in February, March and December, with an average of 16 rainy days and 176 mm (6.9 inches) of precipitation per month. The driest months in Formosa do Rio Preto are June, July and August. On average, 1 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Formosa do Rio Preto. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)95 (3.8)195 (7.7)169 (6.6)66 (2.6)21 (0.8)1 (0.0)1 (0.0)0 (0.0)1 (0.0)47 (1.9)130 (5.1)165 (6.5)
Average precipitation days (≥ 1 mm)101917112000051213

Monthly sunshine hours in Formosa do Rio Preto, Brazil

The sunniest months in Formosa do Rio Preto are August, September and October, when the sun shines an average of 11 hours 3 minutes a day. Least sunny months in Formosa do Rio Preto: January, February and November receive an average of 9 hours 9 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Formosa do Rio Preto. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours269262299305321319335343336337292308
Mean daily daylight hours12h 40m12h 26m12h 8m11h 49m11h 35m11h 28m11h 32m11h 44m12h 1m12h 20m12h 36m12h 44m

Solar UV radiation in Formosa do Rio Preto, Brazil

Formosa do Rio Preto experiences the highest level of ultraviolet (UV) radiation in January, November 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 Very High / Extreme exposure category. In these months, the maximum values of the UV index do not exceed 12. For more detailed information, check out our hourly Formosa do Rio Preto UV Index data.

Average daily maximum UV levels by month for Formosa do Rio Preto. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)161515141210111213151515