nomadseason

Monthly climate in Acarau, Brazil

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Acarau features a tropical savanna climate (Aw). Temperatures typically range between 27 °C (80 °F) and 28 °C (83 °F) through the year, but rarely can drop to 22 °C (72 °F) or can rise to as high as 35 °C (95 °F). The average annual precipitation amounts to about 1185 mm (46.6 inches) and receives 147 rainy days on the 1 mm (0.04 inches) threshold annually. Acarau enjoys an average of 3844 hours of sunshine throughout the year, and daylight varies from 11 hours 56 minutes to 12 hours 16 minutes per day.

Monthly average temperatures in Acarau, Brazil

The warmest months in Acarau are October, November and December, with daily mean temperatures ranging from 28 to 28 °C (83 - 83 °F) throughout the day. The coldest temperatures usually occur in March, April and May, when daily mean temperatures range from 27 to 27 °C (80 - 81 °F) throughout the day. On average each year, Acarau 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 Acarau. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum33°C
(92°F)		33°C
(92°F)		33°C
(91°F)		33°C
(92°F)		32°C
(91°F)		33°C
(92°F)		35°C
(95°F)		34°C
(94°F)		34°C
(94°F)		34°C
(94°F)		34°C
(94°F)		34°C
(93°F)
Mean maximum33°C
(91°F)		32°C
(91°F)		32°C
(89°F)		32°C
(90°F)		32°C
(90°F)		32°C
(90°F)		34°C
(93°F)		34°C
(94°F)		34°C
(93°F)		34°C
(93°F)		34°C
(93°F)		33°C
(93°F)
Average high31°C
(88°F)		30°C
(86°F)		30°C
(86°F)		30°C
(86°F)		30°C
(87°F)		31°C
(88°F)		32°C
(89°F)		33°C
(91°F)		33°C
(91°F)		32°C
(91°F)		32°C
(91°F)		32°C
(89°F)
Daily mean27°C
(82°F)		27°C
(81°F)		27°C
(80°F)		27°C
(81°F)		27°C
(81°F)		27°C
(81°F)		27°C
(82°F)		28°C
(82°F)		28°C
(82°F)		28°C
(83°F)		28°C
(83°F)		28°C
(83°F)
Average low25°C
(77°F)		25°C
(77°F)		24°C
(76°F)		24°C
(76°F)		25°C
(76°F)		25°C
(76°F)		24°C
(76°F)		25°C
(76°F)		25°C
(77°F)		25°C
(78°F)		26°C
(79°F)		26°C
(78°F)
Mean minimum24°C
(75°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		24°C
(75°F)		23°C
(74°F)		23°C
(74°F)		24°C
(76°F)		24°C
(76°F)		25°C
(77°F)		25°C
(76°F)
Minimum22°C
(73°F)		23°C
(73°F)		23°C
(73°F)		23°C
(73°F)		23°C
(73°F)		23°C
(74°F)		22°C
(72°F)		22°C
(72°F)		23°C
(75°F)		24°C
(75°F)		24°C
(76°F)		23°C
(74°F)

Compare climate in Acarau with other places

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

Monthly average precipitation in Acarau, Brazil

Acarau usually has the most precipitation in February, March and April, with an average of 27 rainy days and 275 mm (10.8 inches) of precipitation per month. The driest months in Acarau are August, September and October. On average, 5 mm (0.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Acarau. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)89 (3.5)243 (9.6)247 (9.7)336 (13.2)143 (5.6)36 (1.4)19 (0.7)4 (0.2)3 (0.1)9 (0.3)15 (0.6)42 (1.7)
Average precipitation days (≥ 1 mm)192530272174001310

Monthly sunshine hours in Acarau, Brazil

The sunniest months in Acarau are August, October and November, when the sun shines an average of 11 hours 25 minutes a day. Least sunny months in Acarau: January, February and April receive an average of 9 hours 2 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Acarau. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours257274310281317322341348344356345342
Mean daily daylight hours12h 15m12h 11m12h 6m12h 1m11h 58m11h 56m11h 57m12h 0m12h 4m12h 9m12h 14m12h 16m

Solar UV radiation in Acarau, Brazil

Acarau experiences the highest level of ultraviolet (UV) radiation in January, March and April, when the maximum UV index can reach values of 14 - 16, 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 Acarau UV Index data.

Average daily maximum UV levels by month for Acarau. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)141416151311111213131313