nomadseason

Monthly climate in Itanhaem, Brazil

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Itanhaem features a humid subtropical climate (Cfa). Temperatures typically range between 19 °C (66 °F) and 26 °C (79 °F) through the year, but rarely can drop to 11 °C (52 °F) or can rise to as high as 32 °C (90 °F). The average annual precipitation amounts to about 1856 mm (73.1 inches) and receives 196 rainy days on the 1 mm (0.04 inches) threshold annually. Itanhaem enjoys an average of 3286 hours of sunshine throughout the year, and daylight varies from 10 hours 38 minutes to 13 hours 35 minutes per day.

Monthly average temperatures in Itanhaem, Brazil

The warmest months in Itanhaem 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 19 to 20 °C (66 - 69 °F) throughout the day. On average each year, Itanhaem experiences 121 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 Itanhaem. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum32°C
(89°F)		31°C
(88°F)		32°C
(90°F)		30°C
(87°F)		28°C
(84°F)		29°C
(85°F)		29°C
(84°F)		29°C
(85°F)		31°C
(88°F)		31°C
(88°F)		27°C
(82°F)		29°C
(85°F)
Mean maximum31°C
(88°F)		29°C
(85°F)		30°C
(86°F)		28°C
(83°F)		27°C
(81°F)		26°C
(79°F)		28°C
(82°F)		26°C
(79°F)		28°C
(82°F)		28°C
(83°F)		27°C
(81°F)		29°C
(84°F)
Average high27°C
(81°F)		27°C
(80°F)		26°C
(80°F)		24°C
(76°F)		23°C
(74°F)		22°C
(72°F)		21°C
(70°F)		21°C
(69°F)		22°C
(72°F)		23°C
(74°F)		23°C
(74°F)		25°C
(77°F)
Daily mean26°C
(79°F)		25°C
(78°F)		25°C
(77°F)		23°C
(74°F)		21°C
(71°F)		21°C
(69°F)		19°C
(67°F)		19°C
(66°F)		20°C
(69°F)		22°C
(71°F)		22°C
(72°F)		24°C
(75°F)
Average low24°C
(76°F)		24°C
(75°F)		24°C
(75°F)		22°C
(71°F)		20°C
(68°F)		19°C
(67°F)		17°C
(64°F)		18°C
(64°F)		19°C
(67°F)		20°C
(69°F)		21°C
(70°F)		23°C
(73°F)
Mean minimum22°C
(72°F)		22°C
(72°F)		22°C
(71°F)		19°C
(67°F)		17°C
(63°F)		17°C
(62°F)		14°C
(57°F)		15°C
(59°F)		17°C
(63°F)		18°C
(65°F)		18°C
(65°F)		20°C
(68°F)
Minimum21°C
(70°F)		21°C
(70°F)		20°C
(69°F)		18°C
(66°F)		15°C
(58°F)		15°C
(59°F)		11°C
(52°F)		14°C
(57°F)		16°C
(61°F)		17°C
(62°F)		17°C
(63°F)		19°C
(67°F)

Compare climate in Itanhaem with other places

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

Monthly average precipitation in Itanhaem, Brazil

Itanhaem usually has the most precipitation in February, March and October, with an average of 21 rainy days and 224 mm (8.8 inches) of precipitation per month. The driest months in Itanhaem are July, August and September. On average, 95 mm (3.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Itanhaem. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)175 (6.9)253 (10.0)236 (9.3)154 (6.0)138 (5.4)135 (5.3)76 (3.0)120 (4.7)88 (3.5)184 (7.2)134 (5.3)162 (6.4)
Average precipitation days (≥ 1 mm)20212216131381213201919

Monthly sunshine hours in Itanhaem, Brazil

The sunniest months in Itanhaem are March, November and December, when the sun shines an average of 10 hours 2 minutes a day. Least sunny months in Itanhaem: June, August and October receive an average of 7 hours 57 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Itanhaem. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours257275295294268234271247262250300327
Mean daily daylight hours13h 25m12h 52m12h 11m11h 29m10h 55m10h 38m10h 47m11h 17m11h 57m12h 39m13h 16m13h 35m

Solar UV radiation in Itanhaem, Brazil

Itanhaem experiences the highest level of ultraviolet (UV) radiation in January, 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 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 Itanhaem UV Index data.

Average daily maximum UV levels by month for Itanhaem. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)15141210866811131415