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Monthly climate in Itaguai, Brazil

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Itaguai features a tropical savanna climate (Aw). Temperatures typically range between 20 °C (68 °F) and 27 °C (80 °F) through the year, but rarely can drop to 10 °C (50 °F) or can rise to as high as 37 °C (99 °F). The average annual precipitation amounts to about 1506 mm (59.3 inches) and receives 167 rainy days on the 1 mm (0.04 inches) threshold annually. Itaguai enjoys an average of 3346 hours of sunshine throughout the year, and daylight varies from 10 hours 45 minutes to 13 hours 29 minutes per day.

Monthly average temperatures in Itaguai, Brazil

The warmest months in Itaguai are January, February and March, with daily mean temperatures ranging from 26 to 27 °C (78 - 80 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 20 to 21 °C (68 - 70 °F) throughout the day. On average each year, Itaguai experiences 238 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 Itaguai. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum36°C
(97°F)		35°C
(96°F)		35°C
(96°F)		35°C
(96°F)		32°C
(89°F)		32°C
(89°F)		31°C
(88°F)		34°C
(93°F)		37°C
(99°F)		36°C
(98°F)		35°C
(96°F)		35°C
(95°F)
Mean maximum35°C
(95°F)		34°C
(94°F)		34°C
(94°F)		33°C
(91°F)		31°C
(88°F)		30°C
(86°F)		30°C
(86°F)		32°C
(91°F)		35°C
(95°F)		35°C
(95°F)		34°C
(94°F)		34°C
(93°F)
Average high31°C
(87°F)		30°C
(85°F)		30°C
(86°F)		27°C
(82°F)		26°C
(79°F)		26°C
(78°F)		25°C
(77°F)		25°C
(76°F)		27°C
(81°F)		27°C
(81°F)		27°C
(80°F)		28°C
(83°F)
Daily mean27°C
(80°F)		26°C
(78°F)		26°C
(78°F)		24°C
(75°F)		21°C
(71°F)		21°C
(70°F)		20°C
(68°F)		20°C
(68°F)		23°C
(73°F)		23°C
(74°F)		23°C
(74°F)		25°C
(77°F)
Average low23°C
(74°F)		23°C
(73°F)		22°C
(73°F)		20°C
(69°F)		18°C
(65°F)		18°C
(64°F)		16°C
(61°F)		17°C
(62°F)		19°C
(67°F)		20°C
(69°F)		20°C
(69°F)		22°C
(72°F)
Mean minimum21°C
(70°F)		20°C
(69°F)		20°C
(68°F)		18°C
(64°F)		14°C
(57°F)		15°C
(59°F)		13°C
(55°F)		13°C
(55°F)		16°C
(60°F)		17°C
(63°F)		17°C
(62°F)		19°C
(66°F)
Minimum19°C
(67°F)		20°C
(68°F)		18°C
(64°F)		16°C
(61°F)		11°C
(53°F)		13°C
(56°F)		10°C
(51°F)		10°C
(50°F)		14°C
(58°F)		15°C
(60°F)		14°C
(57°F)		17°C
(62°F)

Compare climate in Itaguai with other places

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

Monthly average precipitation in Itaguai, Brazil

Itaguai usually has the most precipitation in January, February and December, with an average of 19 rainy days and 213 mm (8.4 inches) of precipitation per month. The driest months in Itaguai are June, July and August. On average, 44 mm (1.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Itaguai. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)202 (7.9)230 (9.0)195 (7.7)89 (3.5)75 (3.0)38 (1.5)32 (1.3)62 (2.4)63 (2.5)121 (4.8)191 (7.5)208 (8.2)
Average precipitation days (≥ 1 mm)17192014109599161821

Monthly sunshine hours in Itaguai, Brazil

The sunniest months in Itaguai are March, April and December, when the sun shines an average of 9 hours 41 minutes a day. Least sunny months in Itaguai: January, February and August receive an average of 8 hours 39 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Itaguai. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours258263298289279271287265287269273304
Mean daily daylight hours13h 19m12h 49m12h 10m11h 32m11h 0m10h 45m10h 53m11h 20m11h 57m12h 37m13h 11m13h 29m

Solar UV radiation in Itaguai, Brazil

Itaguai experiences the highest level of ultraviolet (UV) radiation in January, February 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 High exposure category. In these months, the maximum values of the UV index do not exceed 7. For more detailed information, check out our hourly Itaguai UV Index data.

Average daily maximum UV levels by month for Itaguai. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)15141210767911121315