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Monthly climate in Sao Joao del Rei, Brazil

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Sao Joao del Rei features a humid subtropical climate (Cwa). Temperatures typically range between 16 °C (62 °F) and 23 °C (73 °F) through the year, but rarely can drop to 5 °C (42 °F) or can rise to as high as 34 °C (93 °F). The average annual precipitation amounts to about 1019 mm (40.1 inches) and receives 119 rainy days on the 1 mm (0.04 inches) threshold annually. Sao Joao del Rei enjoys an average of 3453 hours of sunshine throughout the year, and daylight varies from 10 hours 51 minutes to 13 hours 22 minutes per day.

Monthly average temperatures in Sao Joao del Rei, Brazil

The warmest months in Sao Joao del Rei are January, February and March, with daily mean temperatures ranging from 22 to 23 °C (72 - 73 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 16 to 18 °C (62 - 64 °F) throughout the day. On average each year, Sao Joao del Rei experiences 197 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 del Rei. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum31°C
(89°F)		33°C
(91°F)		31°C
(88°F)		30°C
(86°F)		28°C
(83°F)		27°C
(81°F)		27°C
(80°F)		30°C
(85°F)		33°C
(92°F)		34°C
(93°F)		31°C
(88°F)		31°C
(88°F)
Mean maximum31°C
(87°F)		30°C
(87°F)		30°C
(86°F)		29°C
(84°F)		27°C
(81°F)		27°C
(80°F)		26°C
(79°F)		29°C
(84°F)		32°C
(89°F)		32°C
(89°F)		30°C
(87°F)		30°C
(86°F)
Average high28°C
(82°F)		27°C
(80°F)		27°C
(81°F)		26°C
(79°F)		24°C
(75°F)		23°C
(74°F)		23°C
(73°F)		24°C
(75°F)		27°C
(81°F)		26°C
(80°F)		25°C
(78°F)		26°C
(80°F)
Daily mean23°C
(73°F)		22°C
(72°F)		22°C
(72°F)		20°C
(69°F)		18°C
(65°F)		18°C
(64°F)		16°C
(62°F)		17°C
(64°F)		21°C
(69°F)		21°C
(70°F)		21°C
(69°F)		22°C
(71°F)
Average low19°C
(66°F)		18°C
(65°F)		18°C
(64°F)		16°C
(61°F)		14°C
(57°F)		13°C
(56°F)		11°C
(52°F)		12°C
(55°F)		15°C
(59°F)		17°C
(63°F)		17°C
(62°F)		18°C
(65°F)
Mean minimum17°C
(63°F)		16°C
(61°F)		15°C
(59°F)		11°C
(53°F)		7°C
(46°F)		10°C
(50°F)		8°C
(46°F)		8°C
(46°F)		11°C
(52°F)		13°C
(56°F)		12°C
(54°F)		15°C
(59°F)
Minimum16°C
(62°F)		15°C
(59°F)		12°C
(55°F)		10°C
(50°F)		5°C
(42°F)		8°C
(47°F)		5°C
(42°F)		6°C
(43°F)		10°C
(50°F)		11°C
(52°F)		10°C
(51°F)		13°C
(56°F)

Compare climate in Sao Joao del Rei with other places

Compare temperature, precipitation, sunshine, UV index in Sao Joao del Rei, Brazil with other places around the world.

Monthly average precipitation in Sao Joao del Rei, Brazil

Sao Joao del Rei usually has the most precipitation in February, November and December, with an average of 18 rainy days and 181 mm (7.1 inches) of precipitation per month. The driest months in Sao Joao del Rei are June, July and August. On average, 13 mm (0.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sao Joao del Rei. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)122 (4.8)163 (6.4)102 (4.0)42 (1.7)25 (1.0)12 (0.5)5 (0.2)21 (0.8)37 (1.4)109 (4.3)169 (6.7)211 (8.3)
Average precipitation days (≥ 1 mm)141715742034141920

Monthly sunshine hours in Sao Joao del Rei, Brazil

The sunniest months in Sao Joao del Rei are March, July and September, when the sun shines an average of 10 hours 7 minutes a day. Least sunny months in Sao Joao del Rei: January, February and November receive an average of 8 hours 49 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sao Joao del Rei. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours261264313290288283307295310280268289
Mean daily daylight hours13h 14m12h 46m12h 10m11h 34m11h 5m10h 51m10h 58m11h 24m11h 58m12h 34m13h 6m13h 22m

Solar UV radiation in Sao Joao del Rei, Brazil

Sao Joao del Rei experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 16 - 17, 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 9. For more detailed information, check out our hourly Sao Joao del Rei UV Index data.

Average daily maximum UV levels by month for Sao Joao del Rei. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)171614129781012141416