nomadseason

Monthly climate in Cacu, Brazil

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Cacu features a tropical savanna climate (Aw). Temperatures typically range between 21 °C (70 °F) and 27 °C (82 °F) through the year, but rarely can drop to 3 °C (37 °F) or can rise to as high as 42 °C (107 °F). The average annual precipitation amounts to about 1044 mm (41.1 inches) and receives 124 rainy days on the 1 mm (0.04 inches) threshold annually. Cacu enjoys an average of 3665 hours of sunshine throughout the year, and daylight varies from 11 hours 1 minutes to 13 hours 12 minutes per day.

Monthly average temperatures in Cacu, Brazil

The warmest months in Cacu are September, October and November, with daily mean temperatures ranging from 26 to 27 °C (78 - 82 °F) throughout the day. The coldest temperatures usually occur in May, June and July, when daily mean temperatures range from 21 to 22 °C (70 - 72 °F) throughout the day. On average each year, Cacu experiences 318 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 Cacu. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum35°C
(95°F)		35°C
(96°F)		35°C
(95°F)		34°C
(93°F)		33°C
(91°F)		33°C
(91°F)		33°C
(91°F)		37°C
(99°F)		40°C
(105°F)		42°C
(107°F)		38°C
(101°F)		37°C
(99°F)
Mean maximum34°C
(94°F)		34°C
(93°F)		34°C
(93°F)		33°C
(91°F)		32°C
(90°F)		32°C
(90°F)		32°C
(90°F)		36°C
(96°F)		39°C
(102°F)		38°C
(100°F)		35°C
(95°F)		34°C
(94°F)
Average high30°C
(87°F)		31°C
(87°F)		31°C
(88°F)		30°C
(86°F)		29°C
(84°F)		29°C
(84°F)		29°C
(84°F)		31°C
(88°F)		35°C
(95°F)		33°C
(92°F)		31°C
(88°F)		31°C
(88°F)
Daily mean25°C
(78°F)		25°C
(78°F)		25°C
(78°F)		24°C
(76°F)		22°C
(72°F)		22°C
(72°F)		21°C
(70°F)		24°C
(75°F)		27°C
(82°F)		27°C
(81°F)		26°C
(78°F)		26°C
(78°F)
Average low22°C
(71°F)		22°C
(71°F)		21°C
(71°F)		20°C
(68°F)		17°C
(63°F)		17°C
(62°F)		15°C
(59°F)		17°C
(63°F)		21°C
(70°F)		22°C
(71°F)		21°C
(70°F)		21°C
(71°F)
Mean minimum20°C
(68°F)		20°C
(68°F)		19°C
(67°F)		16°C
(61°F)		11°C
(53°F)		13°C
(55°F)		8°C
(46°F)		11°C
(53°F)		16°C
(62°F)		18°C
(65°F)		19°C
(66°F)		19°C
(66°F)
Minimum19°C
(67°F)		19°C
(66°F)		19°C
(66°F)		12°C
(54°F)		6°C
(43°F)		9°C
(48°F)		3°C
(37°F)		8°C
(46°F)		12°C
(54°F)		16°C
(61°F)		16°C
(61°F)		18°C
(65°F)

Compare climate in Cacu with other places

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

Monthly average precipitation in Cacu, Brazil

Cacu usually has the most precipitation in February, November and December, with an average of 19 rainy days and 183 mm (7.2 inches) of precipitation per month. The driest months in Cacu are June, July and August. On average, 5 mm (0.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Cacu. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)143 (5.6)173 (6.8)127 (5.0)68 (2.7)21 (0.8)3 (0.1)1 (0.1)10 (0.4)21 (0.8)100 (3.9)193 (7.6)182 (7.2)
Average precipitation days (≥ 1 mm)182119930022131720

Monthly sunshine hours in Cacu, Brazil

The sunniest months in Cacu are July, August and September, when the sun shines an average of 10 hours 28 minutes a day. Least sunny months in Cacu: January, February and June receive an average of 9 hours 18 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Cacu. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours252285317307310300320320321317300309
Mean daily daylight hours13h 5m12h 40m12h 9m11h 38m11h 13m11h 1m11h 7m11h 29m11h 59m12h 31m12h 58m13h 12m

Solar UV radiation in Cacu, Brazil

Cacu experiences the highest level of ultraviolet (UV) radiation in February, November and December, when the maximum UV index can reach values of 15 - 16, which corresponds to the Extreme category of sun exposure. May, June and July are in the Very High exposure category. In these months, the maximum values of the UV index do not exceed 10. For more detailed information, check out our hourly Cacu UV Index data.

Average daily maximum UV levels by month for Cacu. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)1516141210891112151516