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Monthly climate in Sao Joao da Barra, Rio de Janeiro, Brazil

Last updated: May 6, 2024

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, Rio de Janeiro, 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, Rio de Janeiro, Brazil.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 30°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 maximum 30°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 high 28°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 mean 26°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 low 24°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 minimum 23°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)
Minimum 22°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, Rio de Janeiro, Brazil with other places around the world.

Monthly average precipitation in Sao Joao da Barra, Rio de Janeiro, 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, Rio de Janeiro, Brazil.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
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) 6 12 13 14 10 7 7 8 7 13 16 13

Monthly sunshine hours in Sao Joao da Barra, Rio de Janeiro, 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, Rio de Janeiro, Brazil.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 286 276 315 297 290 284 295 281 301 282 266 328
Mean daily daylight hours 13h 16m 12h 47m 12h 10m 11h 33m 11h 3m 10h 49m 10h 56m 11h 23m 11h 58m 12h 35m 13h 8m 13h 24m

Solar UV radiation in Sao Joao da Barra, Rio de Janeiro, 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, Rio de Janeiro, Brazil.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 16 14 13 11 8 6 8 9 11 13 14 15