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Monthly climate in Catalao, Brazil

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Catalao features a tropical savanna climate (Aw). Temperatures typically range between 20 °C (69 °F) and 26 °C (79 °F) through the year, but rarely can drop to 6 °C (43 °F) or can rise to as high as 37 °C (99 °F). The average annual precipitation amounts to about 1085 mm (42.7 inches) and receives 118 rainy days on the 1 mm (0.04 inches) threshold annually. Catalao enjoys an average of 3670 hours of sunshine throughout the year, and daylight varies from 11 hours 2 minutes to 13 hours 11 minutes per day.

Monthly average temperatures in Catalao, Brazil

The warmest months in Catalao are January, September and October, with daily mean temperatures ranging from 25 to 26 °C (77 - 79 °F) throughout the day. The coldest temperatures usually occur in May, June and July, when daily mean temperatures range from 20 to 22 °C (69 - 72 °F) throughout the day. On average each year, Catalao experiences 306 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 Catalao. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum34°C
(93°F)		35°C
(95°F)		32°C
(90°F)		32°C
(90°F)		31°C
(88°F)		30°C
(87°F)		31°C
(87°F)		33°C
(92°F)		36°C
(98°F)		37°C
(99°F)		33°C
(91°F)		33°C
(92°F)
Mean maximum33°C
(91°F)		32°C
(90°F)		32°C
(89°F)		31°C
(88°F)		30°C
(86°F)		29°C
(85°F)		29°C
(85°F)		33°C
(91°F)		35°C
(95°F)		36°C
(96°F)		32°C
(90°F)		32°C
(90°F)
Average high29°C
(84°F)		28°C
(83°F)		29°C
(84°F)		29°C
(84°F)		27°C
(81°F)		27°C
(81°F)		26°C
(80°F)		29°C
(84°F)		31°C
(89°F)		31°C
(88°F)		28°C
(83°F)		29°C
(84°F)
Daily mean25°C
(77°F)		24°C
(76°F)		25°C
(77°F)		24°C
(75°F)		22°C
(72°F)		21°C
(71°F)		20°C
(69°F)		23°C
(73°F)		26°C
(78°F)		26°C
(79°F)		24°C
(76°F)		24°C
(76°F)
Average low21°C
(70°F)		21°C
(70°F)		21°C
(70°F)		20°C
(68°F)		17°C
(63°F)		17°C
(62°F)		15°C
(59°F)		17°C
(63°F)		20°C
(68°F)		21°C
(71°F)		20°C
(69°F)		21°C
(70°F)
Mean minimum19°C
(67°F)		19°C
(67°F)		19°C
(67°F)		18°C
(64°F)		12°C
(54°F)		14°C
(57°F)		11°C
(51°F)		13°C
(56°F)		16°C
(61°F)		18°C
(65°F)		18°C
(65°F)		19°C
(67°F)
Minimum19°C
(66°F)		18°C
(64°F)		19°C
(66°F)		16°C
(61°F)		6°C
(43°F)		12°C
(54°F)		7°C
(45°F)		12°C
(54°F)		13°C
(56°F)		15°C
(59°F)		17°C
(63°F)		19°C
(66°F)

Compare climate in Catalao with other places

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

Monthly average precipitation in Catalao, Brazil

Catalao usually has the most precipitation in February, November and December, with an average of 21 rainy days and 210 mm (8.3 inches) of precipitation per month. The driest months in Catalao are June, July and August. On average, 1 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Catalao. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)160 (6.3)215 (8.4)111 (4.4)53 (2.1)17 (0.7)1 (0.0)0 (0.0)3 (0.1)14 (0.5)97 (3.8)215 (8.5)200 (7.9)
Average precipitation days (≥ 1 mm)152114920012122121

Monthly sunshine hours in Catalao, Brazil

The sunniest months in Catalao are July, August and September, when the sun shines an average of 10 hours 37 minutes a day. Least sunny months in Catalao: January, February and November receive an average of 9 hours 10 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Catalao. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours259270320307314306325325326321296297
Mean daily daylight hours13h 3m12h 39m12h 9m11h 39m11h 14m11h 2m11h 8m11h 30m11h 59m12h 30m12h 57m13h 11m

Solar UV radiation in Catalao, Brazil

Catalao experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 16 - 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 Catalao UV Index data.

Average daily maximum UV levels by month for Catalao. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)1616141210891112141516