nomadseason

Monthly climate in Acu, Brazil

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Acu features a hot semi-arid climate (BSh). Temperatures typically range between 27 °C (81 °F) and 30 °C (86 °F) through the year, but rarely can drop to 19 °C (67 °F) or can rise to as high as 39 °C (103 °F). The average annual precipitation amounts to about 524 mm (20.6 inches) and receives 72 rainy days on the 1 mm (0.04 inches) threshold annually. Acu enjoys an average of 3938 hours of sunshine throughout the year, and daylight varies from 11 hours 47 minutes to 12 hours 25 minutes per day.

Monthly average temperatures in Acu, Brazil

The warmest months in Acu are October, November and December, with daily mean temperatures ranging from 30 to 30 °C (85 - 86 °F) throughout the day. The coldest temperatures usually occur in May, June and July, when daily mean temperatures range from 27 to 28 °C (81 - 82 °F) throughout the day. On average each year, Acu 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 Acu. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum39°C
(103°F)		38°C
(101°F)		37°C
(99°F)		37°C
(98°F)		37°C
(99°F)		37°C
(98°F)		36°C
(98°F)		37°C
(99°F)		37°C
(99°F)		38°C
(101°F)		38°C
(101°F)		38°C
(100°F)
Mean maximum38°C
(100°F)		37°C
(100°F)		36°C
(96°F)		35°C
(95°F)		35°C
(96°F)		35°C
(95°F)		35°C
(96°F)		37°C
(98°F)		37°C
(99°F)		38°C
(100°F)		38°C
(100°F)		37°C
(100°F)
Average high35°C
(95°F)		34°C
(94°F)		33°C
(92°F)		33°C
(91°F)		33°C
(91°F)		33°C
(92°F)		33°C
(91°F)		35°C
(95°F)		36°C
(96°F)		36°C
(98°F)		36°C
(98°F)		36°C
(97°F)
Daily mean29°C
(85°F)		29°C
(84°F)		28°C
(83°F)		28°C
(82°F)		28°C
(82°F)		28°C
(82°F)		27°C
(81°F)		28°C
(83°F)		29°C
(84°F)		30°C
(85°F)		30°C
(86°F)		30°C
(86°F)
Average low25°C
(77°F)		25°C
(77°F)		24°C
(76°F)		24°C
(75°F)		23°C
(75°F)		23°C
(73°F)		22°C
(72°F)		22°C
(72°F)		23°C
(73°F)		24°C
(75°F)		24°C
(76°F)		25°C
(77°F)
Mean minimum23°C
(73°F)		23°C
(74°F)		23°C
(74°F)		22°C
(72°F)		21°C
(71°F)		21°C
(71°F)		20°C
(68°F)		21°C
(70°F)		21°C
(71°F)		22°C
(72°F)		23°C
(74°F)		23°C
(74°F)
Minimum22°C
(71°F)		22°C
(72°F)		22°C
(72°F)		22°C
(71°F)		20°C
(69°F)		20°C
(69°F)		19°C
(67°F)		20°C
(69°F)		21°C
(70°F)		21°C
(71°F)		22°C
(72°F)		23°C
(73°F)

Compare climate in Acu with other places

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

Monthly average precipitation in Acu, Brazil

Acu usually has the most precipitation in February, March and April, with an average of 16 rainy days and 114 mm (4.5 inches) of precipitation per month. The driest months in Acu are August, September and October. On average, 1 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Acu. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)27 (1.1)124 (4.9)121 (4.8)97 (3.8)70 (2.8)30 (1.2)35 (1.4)1 (0.0)1 (0.0)2 (0.1)2 (0.1)12 (0.5)
Average precipitation days (≥ 1 mm)615181683400002

Monthly sunshine hours in Acu, Brazil

The sunniest months in Acu are October, November and December, when the sun shines an average of 11 hours 32 minutes a day. Least sunny months in Acu: January, February and April receive an average of 9 hours 52 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Acu. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours276297327314330318322346343359350351
Mean daily daylight hours12h 23m12h 16m12h 6m11h 57m11h 50m11h 47m11h 49m11h 55m12h 3m12h 13m12h 21m12h 25m

Solar UV radiation in Acu, Brazil

Acu 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. June, July and August 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 Acu UV Index data.

Average daily maximum UV levels by month for Acu. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)141415141311111213131414