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Monthly climate in Irara, Brazil

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Irara features a tropical rainforest climate (Af). Temperatures typically range between 22 °C (72 °F) and 27 °C (82 °F) through the year, but rarely can drop to 16 °C (60 °F) or can rise to as high as 38 °C (102 °F). The average annual precipitation amounts to about 662 mm (26.1 inches) and receives 167 rainy days on the 1 mm (0.04 inches) threshold annually. Irara enjoys an average of 3720 hours of sunshine throughout the year, and daylight varies from 11 hours 24 minutes to 12 hours 48 minutes per day.

Monthly average temperatures in Irara, Brazil

The warmest months in Irara are January, February and March, with daily mean temperatures ranging from 27 to 27 °C (81 - 82 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 22 to 23 °C (72 - 74 °F) throughout the day. On average each year, Irara experiences 313 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 Irara. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum36°C
(97°F)		38°C
(100°F)		38°C
(102°F)		37°C
(98°F)		34°C
(94°F)		31°C
(89°F)		31°C
(88°F)		33°C
(92°F)		35°C
(96°F)		37°C
(99°F)		36°C
(97°F)		36°C
(97°F)
Mean maximum35°C
(95°F)		36°C
(96°F)		36°C
(98°F)		34°C
(94°F)		32°C
(90°F)		30°C
(85°F)		29°C
(84°F)		30°C
(86°F)		32°C
(90°F)		35°C
(95°F)		34°C
(94°F)		34°C
(94°F)
Average high32°C
(90°F)		33°C
(92°F)		32°C
(90°F)		30°C
(87°F)		28°C
(83°F)		27°C
(81°F)		26°C
(79°F)		27°C
(81°F)		28°C
(84°F)		31°C
(89°F)		31°C
(88°F)		32°C
(89°F)
Daily mean27°C
(81°F)		27°C
(82°F)		27°C
(81°F)		26°C
(79°F)		24°C
(76°F)		23°C
(74°F)		22°C
(72°F)		22°C
(73°F)		24°C
(75°F)		26°C
(79°F)		26°C
(79°F)		26°C
(80°F)
Average low22°C
(73°F)		23°C
(74°F)		23°C
(73°F)		22°C
(73°F)		21°C
(70°F)		20°C
(69°F)		19°C
(67°F)		19°C
(66°F)		20°C
(68°F)		21°C
(71°F)		22°C
(72°F)		22°C
(72°F)
Mean minimum20°C
(69°F)		22°C
(71°F)		21°C
(70°F)		21°C
(69°F)		19°C
(66°F)		18°C
(65°F)		17°C
(62°F)		17°C
(62°F)		17°C
(63°F)		19°C
(66°F)		20°C
(69°F)		20°C
(68°F)
Minimum19°C
(66°F)		21°C
(70°F)		19°C
(66°F)		20°C
(68°F)		17°C
(62°F)		17°C
(62°F)		16°C
(60°F)		16°C
(61°F)		16°C
(61°F)		18°C
(65°F)		19°C
(67°F)		19°C
(66°F)

Compare climate in Irara with other places

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

Monthly average precipitation in Irara, Brazil

Irara usually has the most precipitation in April, May and June, with an average of 20 rainy days and 82 mm (3.2 inches) of precipitation per month. The driest months in Irara are January, February and October. On average, 29 mm (1.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Irara. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)25 (1.0)34 (1.3)65 (2.6)92 (3.6)77 (3.0)76 (3.0)60 (2.4)50 (2.0)39 (1.5)29 (1.1)63 (2.5)52 (2.0)
Average precipitation days (≥ 1 mm)69131919232017147119

Monthly sunshine hours in Irara, Brazil

The sunniest months in Irara are March, October and December, when the sun shines an average of 10 hours 48 minutes a day. Least sunny months in Irara: January, May and June receive an average of 9 hours 22 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Irara. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours286312328305296280297313313340309336
Mean daily daylight hours12h 43m12h 28m12h 8m11h 48m11h 32m11h 24m11h 28m11h 42m12h 1m12h 21m12h 39m12h 48m

Solar UV radiation in Irara, Brazil

Irara experiences the highest level of ultraviolet (UV) radiation in March, November and December, when the maximum UV index can reach values of 14 - 15, 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 Irara UV Index data.

Average daily maximum UV levels by month for Irara. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)14141413119101213141514