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Monthly climate in Sao Joao da Barra, Brazil

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Sao Joao da Barra features a tropical savanna climate (Aw). Temperatures typically range between 22 °C (72 °F) and 26 °C (79 °F) through the year, but rarely can drop to 16 °C (60 °F) or can rise to as high as 32 °C (89 °F). The average annual precipitation amounts to about 928 mm (36.5 inches) and receives 126 rainy days on the 1 mm (0.04 inches) threshold annually. Sao Joao da Barra enjoys an average of 3507 hours of sunshine throughout the year, and daylight varies from 10 hours 49 minutes to 13 hours 24 minutes per day.

Monthly average temperatures in Sao Joao da Barra, Brazil

The warmest months in Sao Joao da Barra are January, February and March, with daily mean temperatures ranging from 26 to 26 °C (79 - 79 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 22 to 23 °C (72 - 74 °F) throughout the day. On average each year, Sao Joao da Barra experiences 239 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 Barra. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum30°C
(87°F)		32°C
(89°F)		31°C
(89°F)		31°C
(89°F)		30°C
(87°F)		29°C
(84°F)		29°C
(84°F)		27°C
(81°F)		29°C
(85°F)		29°C
(84°F)		31°C
(88°F)		30°C
(86°F)
Mean maximum30°C
(86°F)		30°C
(86°F)		31°C
(87°F)		31°C
(87°F)		29°C
(85°F)		28°C
(82°F)		28°C
(82°F)		27°C
(80°F)		28°C
(83°F)		28°C
(83°F)		29°C
(85°F)		29°C
(85°F)
Average high28°C
(83°F)		28°C
(82°F)		28°C
(83°F)		27°C
(82°F)		26°C
(79°F)		25°C
(78°F)		24°C
(76°F)		24°C
(75°F)		25°C
(78°F)		26°C
(78°F)		26°C
(79°F)		27°C
(81°F)
Daily mean26°C
(79°F)		26°C
(79°F)		26°C
(79°F)		25°C
(78°F)		24°C
(75°F)		23°C
(74°F)		22°C
(72°F)		22°C
(72°F)		23°C
(74°F)		24°C
(75°F)		24°C
(75°F)		25°C
(77°F)
Average low24°C
(76°F)		24°C
(76°F)		24°C
(76°F)		23°C
(74°F)		22°C
(71°F)		21°C
(70°F)		20°C
(68°F)		20°C
(68°F)		21°C
(71°F)		22°C
(72°F)		22°C
(73°F)		24°C
(75°F)
Mean minimum23°C
(73°F)		22°C
(72°F)		22°C
(73°F)		21°C
(70°F)		19°C
(66°F)		19°C
(67°F)		17°C
(64°F)		17°C
(64°F)		19°C
(67°F)		20°C
(68°F)		20°C
(68°F)		21°C
(70°F)
Minimum22°C
(72°F)		21°C
(71°F)		21°C
(70°F)		20°C
(69°F)		16°C
(62°F)		18°C
(65°F)		16°C
(60°F)		16°C
(61°F)		19°C
(66°F)		18°C
(65°F)		19°C
(66°F)		20°C
(68°F)

Compare climate in Sao Joao da Barra with other places

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

Monthly average precipitation in Sao Joao da Barra, Brazil

Sao Joao da Barra usually has the most precipitation in February, November and December, with an average of 13 rainy days and 127 mm (5.0 inches) of precipitation per month. The driest months in Sao Joao da Barra are June, July and August. On average, 34 mm (1.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sao Joao da Barra. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)68 (2.7)122 (4.8)96 (3.8)81 (3.2)64 (2.5)30 (1.2)26 (1.0)45 (1.8)48 (1.9)89 (3.5)145 (5.7)112 (4.4)
Average precipitation days (≥ 1 mm)6121314107787131613

Monthly sunshine hours in Sao Joao da Barra, Brazil

The sunniest months in Sao Joao da Barra are March, September and December, when the sun shines an average of 10 hours 16 minutes a day. Least sunny months in Sao Joao da Barra: February, August 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 Sao Joao da Barra. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours286276315297290284295281301282266328
Mean daily daylight hours13h 16m12h 47m12h 10m11h 33m11h 3m10h 49m10h 56m11h 23m11h 58m12h 35m13h 8m13h 24m

Solar UV radiation in Sao Joao da Barra, Brazil

Sao Joao da Barra experiences the highest level of ultraviolet (UV) radiation in January, November and December, when the maximum UV index can reach values of 14 - 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 Barra UV Index data.

Average daily maximum UV levels by month for Sao Joao da Barra. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)16141311868911131415