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Monthly climate in Tres de Maio, Brazil

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Tres de Maio features a humid subtropical climate (Cfa). Temperatures typically range between 15 °C (60 °F) and 26 °C (79 °F) through the year, but rarely can drop to -1 °C (31 °F) or can rise to as high as 39 °C (102 °F). The average annual precipitation amounts to about 1588 mm (62.5 inches) and receives 119 rainy days on the 1 mm (0.04 inches) threshold annually. Tres de Maio enjoys an average of 3367 hours of sunshine throughout the year, and daylight varies from 10 hours 23 minutes to 13 hours 51 minutes per day.

Monthly average temperatures in Tres de Maio, Brazil

The warmest months in Tres de Maio are January, February and December, with daily mean temperatures ranging from 25 to 26 °C (77 - 79 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 15 to 17 °C (60 - 63 °F) throughout the day. On average each year, Tres de Maio experiences 213 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 Tres de Maio. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum39°C
(102°F)		38°C
(100°F)		37°C
(99°F)		34°C
(94°F)		32°C
(90°F)		30°C
(87°F)		30°C
(86°F)		35°C
(95°F)		35°C
(96°F)		39°C
(102°F)		38°C
(100°F)		39°C
(102°F)
Mean maximum35°C
(96°F)		35°C
(95°F)		35°C
(96°F)		32°C
(90°F)		30°C
(86°F)		26°C
(80°F)		29°C
(84°F)		33°C
(92°F)		34°C
(94°F)		35°C
(94°F)		35°C
(95°F)		37°C
(99°F)
Average high31°C
(88°F)		30°C
(87°F)		29°C
(85°F)		27°C
(80°F)		23°C
(73°F)		21°C
(70°F)		21°C
(69°F)		23°C
(73°F)		26°C
(78°F)		27°C
(81°F)		29°C
(85°F)		31°C
(89°F)
Daily mean26°C
(79°F)		25°C
(77°F)		24°C
(75°F)		21°C
(70°F)		18°C
(64°F)		16°C
(61°F)		15°C
(60°F)		17°C
(63°F)		20°C
(69°F)		22°C
(71°F)		24°C
(75°F)		25°C
(78°F)
Average low21°C
(71°F)		20°C
(68°F)		19°C
(67°F)		17°C
(63°F)		14°C
(57°F)		12°C
(54°F)		11°C
(52°F)		12°C
(54°F)		16°C
(60°F)		17°C
(63°F)		18°C
(65°F)		20°C
(68°F)
Mean minimum16°C
(62°F)		14°C
(57°F)		13°C
(56°F)		10°C
(51°F)		7°C
(45°F)		3°C
(38°F)		1°C
(35°F)		3°C
(37°F)		9°C
(48°F)		11°C
(52°F)		13°C
(55°F)		14°C
(58°F)
Minimum15°C
(59°F)		11°C
(52°F)		12°C
(54°F)		7°C
(44°F)		5°C
(41°F)		1°C
(34°F)		-1°C
(31°F)		0°C
(32°F)		7°C
(44°F)		9°C
(48°F)		10°C
(51°F)		11°C
(53°F)

Compare climate in Tres de Maio with other places

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

Monthly average precipitation in Tres de Maio, Brazil

Tres de Maio usually has the most precipitation in January, May and October, with an average of 12 rainy days and 182 mm (7.2 inches) of precipitation per month. The driest months in Tres de Maio are July, August and December. On average, 94 mm (3.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Tres de Maio. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)155 (6.1)115 (4.5)126 (5.0)119 (4.7)205 (8.1)145 (5.7)106 (4.2)77 (3.0)122 (4.8)185 (7.3)132 (5.2)100 (3.9)
Average precipitation days (≥ 1 mm)1412127119851012910

Monthly sunshine hours in Tres de Maio, Brazil

The sunniest months in Tres de Maio are March, November and December, when the sun shines an average of 10 hours 50 minutes a day. Least sunny months in Tres de Maio: May, June and July receive an average of 7 hours 39 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Tres de Maio. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours260306307273233219250274263287318370
Mean daily daylight hours13h 39m13h 1m12h 12m11h 23m10h 43m10h 23m10h 34m11h 9m11h 56m12h 45m13h 29m13h 51m

Solar UV radiation in Tres de Maio, Brazil

Tres de Maio 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 Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly Tres de Maio UV Index data.

Average daily maximum UV levels by month for Tres de Maio. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)15141210656710131414