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Monthly climate in Barro, Brazil

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Barro features a tropical savanna climate (Aw). Temperatures typically range between 27 °C (80 °F) and 31 °C (88 °F) through the year, but rarely can drop to 18 °C (66 °F) or can rise to as high as 39 °C (102 °F). The average annual precipitation amounts to about 667 mm (26.2 inches) and receives 89 rainy days on the 1 mm (0.04 inches) threshold annually. Barro enjoys an average of 3879 hours of sunshine throughout the year, and daylight varies from 11 hours 43 minutes to 12 hours 29 minutes per day.

Monthly average temperatures in Barro, Brazil

The warmest months in Barro are October, November and December, with daily mean temperatures ranging from 30 to 31 °C (86 - 88 °F) throughout the day. The coldest temperatures usually occur in April, May and July, when daily mean temperatures range from 27 to 27 °C (80 - 80 °F) throughout the day. On average each year, Barro experiences 329 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 Barro. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum38°C
(100°F)		38°C
(100°F)		35°C
(95°F)		34°C
(93°F)		36°C
(96°F)		35°C
(95°F)		36°C
(98°F)		37°C
(98°F)		38°C
(100°F)		38°C
(101°F)		38°C
(102°F)		39°C
(102°F)
Mean maximum37°C
(98°F)		36°C
(97°F)		34°C
(93°F)		33°C
(91°F)		33°C
(92°F)		33°C
(91°F)		35°C
(95°F)		36°C
(97°F)		37°C
(99°F)		38°C
(100°F)		38°C
(101°F)		38°C
(100°F)
Average high34°C
(93°F)		33°C
(91°F)		32°C
(89°F)		31°C
(89°F)		31°C
(89°F)		32°C
(90°F)		32°C
(90°F)		34°C
(94°F)		36°C
(96°F)		37°C
(98°F)		36°C
(98°F)		35°C
(96°F)
Daily mean29°C
(84°F)		28°C
(82°F)		27°C
(81°F)		27°C
(80°F)		27°C
(80°F)		27°C
(81°F)		27°C
(80°F)		28°C
(83°F)		29°C
(85°F)		31°C
(87°F)		31°C
(88°F)		30°C
(86°F)
Average low25°C
(76°F)		24°C
(75°F)		23°C
(75°F)		23°C
(74°F)		23°C
(73°F)		22°C
(72°F)		22°C
(71°F)		22°C
(72°F)		23°C
(74°F)		25°C
(77°F)		25°C
(78°F)		25°C
(78°F)
Mean minimum23°C
(74°F)		22°C
(72°F)		23°C
(73°F)		22°C
(72°F)		21°C
(70°F)		20°C
(69°F)		20°C
(67°F)		20°C
(68°F)		21°C
(70°F)		23°C
(74°F)		24°C
(75°F)		23°C
(74°F)
Minimum22°C
(71°F)		22°C
(72°F)		22°C
(72°F)		21°C
(70°F)		20°C
(69°F)		18°C
(66°F)		19°C
(66°F)		19°C
(66°F)		20°C
(69°F)		22°C
(73°F)		24°C
(75°F)		23°C
(73°F)

Compare climate in Barro with other places

Compare temperature, precipitation, sunshine, UV index in Barro, Brazil with other places around the world.

Monthly average precipitation in Barro, Brazil

Barro usually has the most precipitation in February, March and April, with an average of 19 rainy days and 159 mm (6.3 inches) of precipitation per month. The driest months in Barro are August, September and October. On average, 2 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Barro. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)72 (2.8)150 (5.9)187 (7.3)141 (5.6)48 (1.9)13 (0.5)15 (0.6)1 (0.0)1 (0.0)4 (0.1)7 (0.3)30 (1.2)
Average precipitation days (≥ 1 mm)1218221873200124

Monthly sunshine hours in Barro, Brazil

The sunniest months in Barro are October, November and December, when the sun shines an average of 11 hours 23 minutes a day. Least sunny months in Barro: January, February and July receive an average of 9 hours 30 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Barro. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours267294322318328314302339343357344346
Mean daily daylight hours12h 26m12h 18m12h 7m11h 56m11h 47m11h 43m11h 45m11h 53m12h 3m12h 14m12h 24m12h 29m

Solar UV radiation in Barro, Brazil

Barro experiences the highest level of ultraviolet (UV) radiation in March, April and December, when the maximum UV index can reach values of 14 - 15, which corresponds to the Extreme category of sun exposure. May, June and July are in the 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 Barro UV Index data.

Average daily maximum UV levels by month for Barro. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)141415141211111213131414