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Monthly climate in Ilhabela, Brazil

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Ilhabela features a humid subtropical climate (Cfa). Temperatures typically range between 20 °C (68 °F) and 26 °C (79 °F) through the year, but rarely can drop to 13 °C (56 °F) or can rise to as high as 32 °C (91 °F). The average annual precipitation amounts to about 1685 mm (66.3 inches) and receives 163 rainy days on the 1 mm (0.04 inches) threshold annually. Ilhabela enjoys an average of 3397 hours of sunshine throughout the year, and daylight varies from 10 hours 40 minutes to 13 hours 33 minutes per day.

Monthly average temperatures in Ilhabela, Brazil

The warmest months in Ilhabela are January, February and March, with daily mean temperatures ranging from 25 to 26 °C (77 - 79 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 20 to 21 °C (68 - 70 °F) throughout the day. On average each year, Ilhabela experiences 102 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 Ilhabela. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum31°C
(89°F)		32°C
(90°F)		30°C
(87°F)		30°C
(86°F)		28°C
(83°F)		28°C
(83°F)		29°C
(84°F)		28°C
(83°F)		30°C
(86°F)		32°C
(91°F)		29°C
(84°F)		29°C
(85°F)
Mean maximum30°C
(86°F)		29°C
(84°F)		29°C
(85°F)		29°C
(84°F)		27°C
(81°F)		26°C
(79°F)		27°C
(81°F)		26°C
(79°F)		28°C
(83°F)		28°C
(82°F)		27°C
(80°F)		28°C
(83°F)
Average high27°C
(80°F)		26°C
(79°F)		26°C
(79°F)		24°C
(76°F)		23°C
(73°F)		22°C
(73°F)		22°C
(71°F)		21°C
(70°F)		22°C
(72°F)		23°C
(73°F)		23°C
(73°F)		24°C
(76°F)
Daily mean26°C
(79°F)		25°C
(78°F)		25°C
(77°F)		23°C
(74°F)		22°C
(72°F)		21°C
(71°F)		20°C
(69°F)		20°C
(68°F)		21°C
(70°F)		22°C
(71°F)		22°C
(71°F)		24°C
(75°F)
Average low25°C
(77°F)		24°C
(76°F)		24°C
(76°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
(70°F)		21°C
(70°F)		23°C
(73°F)
Mean minimum23°C
(73°F)		22°C
(73°F)		22°C
(72°F)		20°C
(69°F)		18°C
(65°F)		18°C
(65°F)		16°C
(60°F)		16°C
(61°F)		18°C
(64°F)		19°C
(66°F)		19°C
(66°F)		20°C
(69°F)
Minimum22°C
(72°F)		21°C
(71°F)		21°C
(70°F)		19°C
(67°F)		16°C
(61°F)		17°C
(62°F)		13°C
(56°F)		15°C
(60°F)		16°C
(61°F)		17°C
(63°F)		18°C
(65°F)		19°C
(67°F)

Compare climate in Ilhabela with other places

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

Monthly average precipitation in Ilhabela, Brazil

Ilhabela usually has the most precipitation in February, March and November, with an average of 16 rainy days and 193 mm (7.6 inches) of precipitation per month. The driest months in Ilhabela are June, July and September. On average, 93 mm (3.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ilhabela. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)138 (5.5)214 (8.4)196 (7.7)122 (4.8)133 (5.2)112 (4.4)68 (2.7)126 (5.0)101 (4.0)160 (6.3)171 (6.7)144 (5.7)
Average precipitation days (≥ 1 mm)13161514121261312191714

Monthly sunshine hours in Ilhabela, Brazil

The sunniest months in Ilhabela are March, November and December, when the sun shines an average of 10 hours 3 minutes a day. Least sunny months in Ilhabela: January, June and August receive an average of 8 hours 28 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ilhabela. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours256273304293282261287261287267297323
Mean daily daylight hours13h 23m12h 51m12h 11m11h 30m10h 56m10h 40m10h 49m11h 18m11h 57m12h 38m13h 15m13h 33m

Solar UV radiation in Ilhabela, Brazil

Ilhabela experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 15 - 15, which corresponds to the Extreme category of sun exposure. May, June and July are in the High / Very High exposure category. In these months, the maximum values of the UV index do not exceed 8. For more detailed information, check out our hourly Ilhabela UV Index data.

Average daily maximum UV levels by month for Ilhabela. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)15151211867911131415