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Monthly climate in Guaramirim, Brazil

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Guaramirim features a humid subtropical climate (Cfa). Temperatures typically range between 16 °C (61 °F) and 25 °C (76 °F) through the year, but rarely can drop to 1 °C (34 °F) or can rise to as high as 36 °C (97 °F). The average annual precipitation amounts to about 1611 mm (63.4 inches) and receives 194 rainy days on the 1 mm (0.04 inches) threshold annually. Guaramirim enjoys an average of 3020 hours of sunshine throughout the year, and daylight varies from 10 hours 29 minutes to 13 hours 45 minutes per day.

Monthly average temperatures in Guaramirim, Brazil

The warmest months in Guaramirim are January, February and March, with daily mean temperatures ranging from 23 to 25 °C (74 - 76 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 16 to 17 °C (61 - 63 °F) throughout the day. On average each year, Guaramirim experiences 154 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 Guaramirim. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum36°C
(97°F)		34°C
(94°F)		33°C
(92°F)		32°C
(89°F)		30°C
(87°F)		29°C
(85°F)		30°C
(86°F)		31°C
(88°F)		30°C
(86°F)		35°C
(95°F)		34°C
(93°F)		34°C
(94°F)
Mean maximum34°C
(93°F)		33°C
(91°F)		32°C
(91°F)		30°C
(87°F)		28°C
(83°F)		25°C
(78°F)		28°C
(82°F)		28°C
(83°F)		29°C
(84°F)		31°C
(88°F)		32°C
(89°F)		33°C
(92°F)
Average high29°C
(84°F)		28°C
(83°F)		27°C
(81°F)		25°C
(78°F)		23°C
(73°F)		21°C
(71°F)		21°C
(70°F)		21°C
(70°F)		23°C
(73°F)		24°C
(75°F)		25°C
(77°F)		27°C
(81°F)
Daily mean25°C
(76°F)		24°C
(75°F)		23°C
(74°F)		21°C
(70°F)		19°C
(66°F)		17°C
(63°F)		16°C
(61°F)		17°C
(62°F)		19°C
(66°F)		20°C
(68°F)		21°C
(70°F)		23°C
(74°F)
Average low21°C
(71°F)		20°C
(69°F)		20°C
(69°F)		18°C
(64°F)		15°C
(60°F)		14°C
(58°F)		12°C
(54°F)		13°C
(56°F)		16°C
(61°F)		17°C
(63°F)		18°C
(65°F)		20°C
(68°F)
Mean minimum18°C
(65°F)		17°C
(62°F)		17°C
(63°F)		12°C
(55°F)		9°C
(48°F)		8°C
(48°F)		4°C
(39°F)		5°C
(42°F)		11°C
(53°F)		13°C
(56°F)		14°C
(58°F)		17°C
(62°F)
Minimum17°C
(63°F)		12°C
(55°F)		16°C
(61°F)		9°C
(48°F)		6°C
(43°F)		5°C
(42°F)		1°C
(34°F)		3°C
(38°F)		8°C
(47°F)		10°C
(50°F)		12°C
(54°F)		14°C
(58°F)

Compare climate in Guaramirim with other places

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

Monthly average precipitation in Guaramirim, Brazil

Guaramirim usually has the most precipitation in January, February and December, with an average of 21 rainy days and 210 mm (8.3 inches) of precipitation per month. The driest months in Guaramirim are April, July and August. On average, 66 mm (2.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Guaramirim. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)218 (8.6)214 (8.4)169 (6.7)91 (3.6)103 (4.1)118 (4.6)36 (1.4)71 (2.8)107 (4.2)155 (6.1)130 (5.1)200 (7.9)
Average precipitation days (≥ 1 mm)21212314121171013202022

Monthly sunshine hours in Guaramirim, Brazil

The sunniest months in Guaramirim are March, November and December, when the sun shines an average of 9 hours 19 minutes a day. Least sunny months in Guaramirim: January, June and October receive an average of 7 hours 10 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Guaramirim. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours225276279262235210258235233223277301
Mean daily daylight hours13h 34m12h 57m12h 12m11h 25m10h 47m10h 29m10h 39m11h 12m11h 56m12h 43m13h 24m13h 45m

Solar UV radiation in Guaramirim, Brazil

Guaramirim 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 exposure category. In these months, the maximum values of the UV index do not exceed 7. For more detailed information, check out our hourly Guaramirim UV Index data.

Average daily maximum UV levels by month for Guaramirim. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)15141211766811131415