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Monthly climate in Goianinha, Brazil

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Goianinha features a tropical savanna climate (As). Temperatures typically range between 24 °C (76 °F) and 27 °C (81 °F) through the year, but rarely can drop to 19 °C (67 °F) or can rise to as high as 33 °C (92 °F). The average annual precipitation amounts to about 890 mm (35.0 inches) and receives 200 rainy days on the 1 mm (0.04 inches) threshold annually. Goianinha enjoys an average of 3921 hours of sunshine throughout the year, and daylight varies from 11 hours 45 minutes to 12 hours 27 minutes per day.

Monthly average temperatures in Goianinha, Brazil

The warmest months in Goianinha are January, February and December, with daily mean temperatures ranging from 27 to 27 °C (81 - 81 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 24 to 25 °C (76 - 78 °F) throughout the day. On average each year, Goianinha experiences 328 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 Goianinha. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum33°C
(91°F)		33°C
(92°F)		33°C
(91°F)		32°C
(90°F)		32°C
(90°F)		31°C
(87°F)		30°C
(86°F)		30°C
(87°F)		31°C
(89°F)		32°C
(89°F)		32°C
(90°F)		33°C
(91°F)
Mean maximum32°C
(90°F)		32°C
(90°F)		32°C
(90°F)		32°C
(89°F)		31°C
(88°F)		30°C
(86°F)		29°C
(85°F)		30°C
(86°F)		31°C
(87°F)		31°C
(88°F)		32°C
(89°F)		32°C
(90°F)
Average high31°C
(88°F)		31°C
(88°F)		31°C
(87°F)		30°C
(86°F)		29°C
(85°F)		29°C
(84°F)		28°C
(82°F)		28°C
(83°F)		29°C
(85°F)		30°C
(86°F)		31°C
(87°F)		31°C
(88°F)
Daily mean27°C
(81°F)		27°C
(81°F)		27°C
(81°F)		27°C
(80°F)		26°C
(79°F)		25°C
(78°F)		24°C
(76°F)		25°C
(77°F)		25°C
(78°F)		26°C
(80°F)		27°C
(81°F)		27°C
(81°F)
Average low24°C
(76°F)		24°C
(76°F)		24°C
(76°F)		24°C
(75°F)		23°C
(74°F)		22°C
(73°F)		22°C
(71°F)		22°C
(71°F)		22°C
(72°F)		23°C
(74°F)		24°C
(76°F)		24°C
(76°F)
Mean minimum23°C
(73°F)		23°C
(74°F)		23°C
(74°F)		23°C
(73°F)		22°C
(72°F)		22°C
(71°F)		20°C
(69°F)		20°C
(69°F)		21°C
(70°F)		22°C
(72°F)		23°C
(73°F)		23°C
(74°F)
Minimum22°C
(71°F)		23°C
(73°F)		22°C
(73°F)		22°C
(72°F)		22°C
(71°F)		21°C
(69°F)		20°C
(68°F)		19°C
(67°F)		21°C
(69°F)		21°C
(71°F)		22°C
(72°F)		22°C
(72°F)

Compare climate in Goianinha with other places

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

Monthly average precipitation in Goianinha, Brazil

Goianinha usually has the most precipitation in March, April and July, with an average of 23 rainy days and 130 mm (5.1 inches) of precipitation per month. The driest months in Goianinha are September, October and November. On average, 25 mm (1.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Goianinha. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)47 (1.8)96 (3.8)144 (5.7)122 (4.8)113 (4.5)100 (3.9)124 (4.9)31 (1.2)28 (1.1)24 (1.0)24 (0.9)35 (1.4)
Average precipitation days (≥ 1 mm)14192625221818131110915

Monthly sunshine hours in Goianinha, Brazil

The sunniest months in Goianinha are October, November and December, when the sun shines an average of 11 hours 26 minutes a day. Least sunny months in Goianinha: January, February and April receive an average of 9 hours 56 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Goianinha. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours280307338307323315318341335350346356
Mean daily daylight hours12h 25m12h 17m12h 6m11h 56m11h 49m11h 45m11h 47m11h 54m12h 3m12h 13m12h 23m12h 27m

Solar UV radiation in Goianinha, Brazil

Goianinha experiences the highest level of ultraviolet (UV) radiation in March, April 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 Extreme exposure category. In these months, the maximum values of the UV index do not exceed 12. For more detailed information, check out our hourly Goianinha UV Index data.

Average daily maximum UV levels by month for Goianinha. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)141415141211111213131414