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Monthly climate in Sao Joao da Boa Vista, Brazil

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Sao Joao da Boa Vista features a humid subtropical climate (Cfa). Temperatures typically range between 17 °C (63 °F) and 23 °C (74 °F) through the year, but rarely can drop to 0 °C (32 °F) or can rise to as high as 36 °C (97 °F). The average annual precipitation amounts to about 1230 mm (48.4 inches) and receives 128 rainy days on the 1 mm (0.04 inches) threshold annually. Sao Joao da Boa Vista enjoys an average of 3554 hours of sunshine throughout the year, and daylight varies from 10 hours 47 minutes to 13 hours 26 minutes per day.

Monthly average temperatures in Sao Joao da Boa Vista, Brazil

The warmest months in Sao Joao da Boa Vista are January, February and December, with daily mean temperatures ranging from 23 to 23 °C (74 - 74 °F) throughout the day. The coldest temperatures usually occur in May, June and July, when daily mean temperatures range from 17 to 18 °C (63 - 65 °F) throughout the day. On average each year, Sao Joao da Boa Vista experiences 247 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 Sao Joao da Boa Vista. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum34°C
(93°F)		34°C
(93°F)		32°C
(90°F)		31°C
(88°F)		29°C
(84°F)		28°C
(83°F)		29°C
(84°F)		32°C
(89°F)		36°C
(97°F)		36°C
(97°F)		34°C
(94°F)		33°C
(92°F)
Mean maximum32°C
(91°F)		32°C
(90°F)		31°C
(89°F)		30°C
(86°F)		28°C
(83°F)		27°C
(81°F)		27°C
(81°F)		31°C
(87°F)		34°C
(93°F)		34°C
(93°F)		32°C
(91°F)		32°C
(89°F)
Average high28°C
(83°F)		28°C
(83°F)		28°C
(83°F)		27°C
(81°F)		25°C
(77°F)		24°C
(76°F)		24°C
(76°F)		26°C
(78°F)		30°C
(86°F)		29°C
(84°F)		28°C
(82°F)		28°C
(83°F)
Daily mean23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		21°C
(70°F)		18°C
(65°F)		18°C
(65°F)		17°C
(63°F)		19°C
(66°F)		23°C
(73°F)		23°C
(74°F)		22°C
(73°F)		23°C
(74°F)
Average low19°C
(67°F)		19°C
(66°F)		19°C
(66°F)		16°C
(61°F)		13°C
(56°F)		13°C
(56°F)		11°C
(52°F)		13°C
(56°F)		17°C
(62°F)		18°C
(65°F)		18°C
(64°F)		19°C
(66°F)
Mean minimum17°C
(63°F)		16°C
(62°F)		15°C
(60°F)		11°C
(52°F)		7°C
(44°F)		10°C
(49°F)		4°C
(40°F)		7°C
(46°F)		12°C
(54°F)		14°C
(58°F)		14°C
(57°F)		16°C
(61°F)
Minimum15°C
(59°F)		15°C
(60°F)		13°C
(55°F)		8°C
(47°F)		2°C
(36°F)		6°C
(44°F)		-0°C
(32°F)		5°C
(41°F)		9°C
(48°F)		13°C
(56°F)		9°C
(49°F)		12°C
(54°F)

Compare climate in Sao Joao da Boa Vista with other places

Compare temperature, precipitation, sunshine, UV index in Sao Joao da Boa Vista, Brazil with other places around the world.

Monthly average precipitation in Sao Joao da Boa Vista, Brazil

Sao Joao da Boa Vista usually has the most precipitation in January, February and December, with an average of 18 rainy days and 197 mm (7.8 inches) of precipitation per month. The driest months in Sao Joao da Boa Vista are June, July and August. On average, 20 mm (0.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sao Joao da Boa Vista. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)214 (8.4)186 (7.3)146 (5.7)59 (2.3)46 (1.8)17 (0.7)10 (0.4)31 (1.2)39 (1.5)130 (5.1)159 (6.3)192 (7.6)
Average precipitation days (≥ 1 mm)181817663144151620

Monthly sunshine hours in Sao Joao da Boa Vista, Brazil

The sunniest months in Sao Joao da Boa Vista are March, July and September, when the sun shines an average of 10 hours 13 minutes a day. Least sunny months in Sao Joao da Boa Vista: January, February and June receive an average of 8 hours 51 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sao Joao da Boa Vista. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours234275315304297288314306310298302306
Mean daily daylight hours13h 17m12h 48m12h 10m11h 33m11h 2m10h 47m10h 55m11h 22m11h 58m12h 36m13h 9m13h 26m

Solar UV radiation in Sao Joao da Boa Vista, Brazil

Sao Joao da Boa Vista experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 16 - 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 Sao Joao da Boa Vista UV Index data.

Average daily maximum UV levels by month for Sao Joao da Boa Vista. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)161613118781012141516