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Monthly climate in Iaciara, Brazil

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Iaciara features a tropical savanna climate (Aw). Temperatures typically range between 23 °C (75 °F) and 29 °C (85 °F) through the year, but rarely can drop to 11 °C (52 °F) or can rise to as high as 41 °C (106 °F). The average annual precipitation amounts to about 976 mm (38.4 inches) and receives 112 rainy days on the 1 mm (0.04 inches) threshold annually. Iaciara enjoys an average of 3627 hours of sunshine throughout the year, and daylight varies from 11 hours 17 minutes to 12 hours 56 minutes per day.

Monthly average temperatures in Iaciara, Brazil

The warmest months in Iaciara are January, September and October, with daily mean temperatures ranging from 27 to 29 °C (80 - 85 °F) throughout the day. The coldest temperatures usually occur in May, June and July, when daily mean temperatures range from 23 to 25 °C (75 - 77 °F) throughout the day. On average each year, Iaciara experiences 325 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 Iaciara. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum38°C
(101°F)		37°C
(99°F)		36°C
(97°F)		35°C
(95°F)		35°C
(95°F)		35°C
(95°F)		35°C
(96°F)		36°C
(97°F)		40°C
(104°F)		41°C
(106°F)		38°C
(100°F)		36°C
(97°F)
Mean maximum36°C
(97°F)		35°C
(94°F)		34°C
(94°F)		34°C
(93°F)		34°C
(93°F)		33°C
(92°F)		34°C
(93°F)		36°C
(97°F)		39°C
(103°F)		40°C
(104°F)		35°C
(96°F)		35°C
(95°F)
Average high32°C
(89°F)		30°C
(86°F)		31°C
(88°F)		31°C
(88°F)		31°C
(89°F)		31°C
(88°F)		31°C
(88°F)		33°C
(92°F)		35°C
(96°F)		35°C
(96°F)		31°C
(88°F)		31°C
(87°F)
Daily mean27°C
(80°F)		25°C
(78°F)		26°C
(79°F)		26°C
(79°F)		25°C
(77°F)		24°C
(76°F)		23°C
(75°F)		26°C
(79°F)		28°C
(83°F)		29°C
(85°F)		26°C
(79°F)		26°C
(79°F)
Average low22°C
(72°F)		22°C
(71°F)		21°C
(71°F)		21°C
(70°F)		19°C
(67°F)		18°C
(65°F)		17°C
(63°F)		19°C
(67°F)		21°C
(71°F)		24°C
(75°F)		22°C
(72°F)		22°C
(71°F)
Mean minimum20°C
(68°F)		20°C
(68°F)		20°C
(68°F)		19°C
(66°F)		16°C
(61°F)		16°C
(60°F)		15°C
(58°F)		16°C
(62°F)		18°C
(65°F)		21°C
(71°F)		20°C
(69°F)		20°C
(68°F)
Minimum18°C
(65°F)		20°C
(68°F)		19°C
(66°F)		17°C
(63°F)		11°C
(52°F)		13°C
(56°F)		13°C
(56°F)		15°C
(59°F)		17°C
(63°F)		21°C
(69°F)		19°C
(67°F)		19°C
(66°F)

Compare climate in Iaciara with other places

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

Monthly average precipitation in Iaciara, Brazil

Iaciara usually has the most precipitation in February, November and December, with an average of 19 rainy days and 186 mm (7.3 inches) of precipitation per month. The driest months in Iaciara are June, July and September. On average, 1 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Iaciara. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)82 (3.2)207 (8.2)164 (6.4)93 (3.7)7 (0.3)0 (0.0)0 (0.0)5 (0.2)1 (0.0)66 (2.6)187 (7.3)164 (6.4)
Average precipitation days (≥ 1 mm)122119132000081918

Monthly sunshine hours in Iaciara, Brazil

The sunniest months in Iaciara are July, August and September, when the sun shines an average of 10 hours 56 minutes a day. Least sunny months in Iaciara: January, February and November receive an average of 8 hours 48 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Iaciara. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours265254286302322319335337335319272276
Mean daily daylight hours12h 50m12h 32m12h 8m11h 45m11h 26m11h 17m11h 22m11h 38m12h 0m12h 24m12h 45m12h 56m

Solar UV radiation in Iaciara, Brazil

Iaciara experiences the highest level of ultraviolet (UV) radiation in January, 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 / Extreme exposure category. In these months, the maximum values of the UV index do not exceed 11. For more detailed information, check out our hourly Iaciara UV Index data.

Average daily maximum UV levels by month for Iaciara. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)16151513119101213151516