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Monthly climate in Ilheus, Brazil

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Ilheus features a tropical rainforest climate (Af). Temperatures typically range between 23 °C (74 °F) and 27 °C (80 °F) through the year, but rarely can drop to 19 °C (66 °F) or can rise to as high as 30 °C (87 °F). The average annual precipitation amounts to about 1338 mm (52.7 inches) and receives 267 rainy days on the 1 mm (0.04 inches) threshold annually. Ilheus enjoys an average of 3587 hours of sunshine throughout the year, and daylight varies from 11 hours 14 minutes to 12 hours 58 minutes per day.

Monthly average temperatures in Ilheus, Brazil

The warmest months in Ilheus are January, February and March, with daily mean temperatures ranging from 26 to 27 °C (80 - 80 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 23 to 24 °C (74 - 75 °F) throughout the day. On average each year, Ilheus experiences 279 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 Ilheus. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum30°C
(85°F)		30°C
(87°F)		30°C
(86°F)		30°C
(87°F)		29°C
(85°F)		28°C
(83°F)		28°C
(82°F)		26°C
(80°F)		27°C
(81°F)		28°C
(83°F)		29°C
(84°F)		29°C
(85°F)
Mean maximum29°C
(84°F)		29°C
(85°F)		29°C
(85°F)		29°C
(85°F)		28°C
(83°F)		27°C
(81°F)		26°C
(80°F)		26°C
(79°F)		27°C
(80°F)		28°C
(82°F)		28°C
(83°F)		29°C
(84°F)
Average high28°C
(83°F)		28°C
(83°F)		28°C
(83°F)		28°C
(82°F)		27°C
(80°F)		26°C
(79°F)		25°C
(77°F)		25°C
(77°F)		25°C
(78°F)		27°C
(80°F)		27°C
(81°F)		28°C
(82°F)
Daily mean26°C
(80°F)		27°C
(80°F)		26°C
(80°F)		26°C
(79°F)		25°C
(77°F)		24°C
(75°F)		23°C
(74°F)		23°C
(74°F)		24°C
(75°F)		25°C
(77°F)		25°C
(78°F)		26°C
(79°F)
Average low24°C
(76°F)		25°C
(77°F)		24°C
(76°F)		24°C
(75°F)		23°C
(74°F)		22°C
(72°F)		21°C
(70°F)		21°C
(70°F)		22°C
(72°F)		23°C
(74°F)		24°C
(75°F)		24°C
(76°F)
Mean minimum23°C
(73°F)		23°C
(74°F)		23°C
(74°F)		23°C
(73°F)		21°C
(71°F)		21°C
(70°F)		20°C
(68°F)		20°C
(68°F)		20°C
(69°F)		22°C
(71°F)		22°C
(72°F)		23°C
(73°F)
Minimum22°C
(72°F)		23°C
(74°F)		22°C
(73°F)		22°C
(72°F)		20°C
(69°F)		20°C
(69°F)		19°C
(67°F)		19°C
(66°F)		19°C
(67°F)		21°C
(70°F)		22°C
(71°F)		22°C
(72°F)

Compare climate in Ilheus with other places

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

Monthly average precipitation in Ilheus, Brazil

Ilheus usually has the most precipitation in April, November and December, with an average of 24 rainy days and 162 mm (6.4 inches) of precipitation per month. The driest months in Ilheus are January, February and September. On average, 69 mm (2.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ilheus. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)60 (2.4)73 (2.9)138 (5.4)149 (5.9)122 (4.8)103 (4.1)90 (3.5)95 (3.7)74 (2.9)96 (3.8)164 (6.5)174 (6.9)
Average precipitation days (≥ 1 mm)202324252225232118192324

Monthly sunshine hours in Ilheus, Brazil

The sunniest months in Ilheus are September, October and December, when the sun shines an average of 10 hours 16 minutes a day. Least sunny months in Ilheus: January, June and November receive an average of 9 hours 13 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ilheus. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours281301311292298282297300313314274316
Mean daily daylight hours12h 52m12h 33m12h 8m11h 44m11h 24m11h 14m11h 20m11h 37m12h 0m12h 25m12h 47m12h 58m

Solar UV radiation in Ilheus, Brazil

Ilheus 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 exposure category. In these months, the maximum values of the UV index do not exceed 10. For more detailed information, check out our hourly Ilheus UV Index data.

Average daily maximum UV levels by month for Ilheus. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)1414141310891112141515