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Monthly climate in Goiania, Brazil

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Goiania features a tropical savanna climate (Aw). Temperatures typically range between 21 °C (70 °F) and 27 °C (80 °F) through the year, but rarely can drop to 5 °C (42 °F) or can rise to as high as 39 °C (103 °F). The average annual precipitation amounts to about 1090 mm (42.9 inches) and receives 129 rainy days on the 1 mm (0.04 inches) threshold annually. Goiania enjoys an average of 3666 hours of sunshine throughout the year, and daylight varies from 11 hours 8 minutes to 13 hours 5 minutes per day.

Monthly average temperatures in Goiania, Brazil

The warmest months in Goiania are January, September and October, with daily mean temperatures ranging from 24 to 27 °C (76 - 80 °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, Goiania experiences 316 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 Goiania. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum34°C
(93°F)		33°C
(92°F)		33°C
(91°F)		32°C
(90°F)		31°C
(88°F)		31°C
(88°F)		31°C
(88°F)		34°C
(94°F)		38°C
(101°F)		39°C
(103°F)		35°C
(96°F)		34°C
(94°F)
Mean maximum33°C
(92°F)		32°C
(90°F)		32°C
(89°F)		31°C
(88°F)		30°C
(87°F)		30°C
(87°F)		30°C
(87°F)		34°C
(93°F)		37°C
(99°F)		37°C
(99°F)		33°C
(91°F)		33°C
(91°F)
Average high29°C
(84°F)		29°C
(84°F)		29°C
(84°F)		29°C
(84°F)		28°C
(83°F)		28°C
(83°F)		28°C
(83°F)		31°C
(88°F)		34°C
(93°F)		32°C
(90°F)		29°C
(84°F)		29°C
(84°F)
Daily mean24°C
(76°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		22°C
(72°F)		22°C
(71°F)		21°C
(70°F)		24°C
(75°F)		27°C
(80°F)		26°C
(79°F)		24°C
(76°F)		24°C
(76°F)
Average low20°C
(69°F)		20°C
(68°F)		20°C
(68°F)		19°C
(66°F)		17°C
(62°F)		16°C
(61°F)		15°C
(58°F)		17°C
(63°F)		20°C
(68°F)		21°C
(70°F)		20°C
(69°F)		20°C
(68°F)
Mean minimum18°C
(65°F)		18°C
(65°F)		18°C
(64°F)		16°C
(60°F)		11°C
(52°F)		13°C
(55°F)		10°C
(51°F)		12°C
(54°F)		16°C
(62°F)		18°C
(65°F)		18°C
(65°F)		18°C
(65°F)
Minimum16°C
(61°F)		18°C
(65°F)		16°C
(61°F)		14°C
(58°F)		5°C
(42°F)		11°C
(53°F)		7°C
(45°F)		11°C
(52°F)		13°C
(55°F)		15°C
(59°F)		17°C
(63°F)		17°C
(62°F)

Compare climate in Goiania with other places

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

Monthly average precipitation in Goiania, Brazil

Goiania usually has the most precipitation in February, November and December, with an average of 21 rainy days and 205 mm (8.1 inches) of precipitation per month. The driest months in Goiania 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 Goiania. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)130 (5.1)225 (8.9)137 (5.4)80 (3.2)12 (0.5)1 (0.0)0 (0.0)1 (0.0)10 (0.4)103 (4.1)190 (7.5)202 (7.9)
Average precipitation days (≥ 1 mm)1521191320001152221

Monthly sunshine hours in Goiania, Brazil

The sunniest months in Goiania are July, August and September, when the sun shines an average of 10 hours 43 minutes a day. Least sunny months in Goiania: January, February and November receive an average of 9 hours 4 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Goiania. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours256268309304318314330329326322291294
Mean daily daylight hours12h 58m12h 37m12h 9m11h 41m11h 18m11h 8m11h 13m11h 33m12h 0m12h 28m12h 52m13h 5m

Solar UV radiation in Goiania, Brazil

Goiania experiences the highest level of ultraviolet (UV) radiation in January, November 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 Goiania UV Index data.

Average daily maximum UV levels by month for Goiania. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)1616141310891112151616