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Monthly climate in Serro, Brazil

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Serro features a tropical savanna climate (Aw). Temperatures typically range between 16 °C (62 °F) and 22 °C (72 °F) through the year, but rarely can drop to 5 °C (40 °F) or can rise to as high as 34 °C (94 °F). The average annual precipitation amounts to about 1374 mm (54.1 inches) and receives 133 rainy days on the 1 mm (0.04 inches) threshold annually. Serro enjoys an average of 3556 hours of sunshine throughout the year, and daylight varies from 11 hours 0 minutes to 13 hours 12 minutes per day.

Monthly average temperatures in Serro, Brazil

The warmest months in Serro are January, February and October, with daily mean temperatures ranging from 21 to 22 °C (71 - 72 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 16 to 17 °C (62 - 63 °F) throughout the day. On average each year, Serro experiences 178 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 Serro. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum32°C
(91°F)		32°C
(90°F)		31°C
(88°F)		29°C
(85°F)		28°C
(83°F)		28°C
(82°F)		28°C
(83°F)		29°C
(85°F)		33°C
(92°F)		34°C
(94°F)		32°C
(90°F)		31°C
(88°F)
Mean maximum30°C
(87°F)		29°C
(84°F)		30°C
(86°F)		29°C
(84°F)		27°C
(81°F)		27°C
(81°F)		27°C
(80°F)		28°C
(83°F)		32°C
(89°F)		33°C
(91°F)		30°C
(86°F)		29°C
(85°F)
Average high27°C
(81°F)		26°C
(79°F)		26°C
(79°F)		25°C
(77°F)		23°C
(74°F)		23°C
(74°F)		22°C
(72°F)		23°C
(74°F)		27°C
(80°F)		27°C
(81°F)		25°C
(77°F)		26°C
(79°F)
Daily mean22°C
(72°F)		21°C
(71°F)		21°C
(70°F)		20°C
(68°F)		18°C
(65°F)		17°C
(63°F)		16°C
(62°F)		17°C
(63°F)		20°C
(68°F)		21°C
(71°F)		21°C
(70°F)		21°C
(71°F)
Average low18°C
(64°F)		18°C
(65°F)		17°C
(63°F)		16°C
(61°F)		14°C
(57°F)		13°C
(55°F)		12°C
(53°F)		12°C
(54°F)		14°C
(58°F)		17°C
(63°F)		17°C
(63°F)		18°C
(64°F)
Mean minimum16°C
(60°F)		16°C
(62°F)		15°C
(59°F)		13°C
(55°F)		9°C
(49°F)		10°C
(50°F)		8°C
(48°F)		8°C
(46°F)		10°C
(51°F)		14°C
(57°F)		15°C
(59°F)		15°C
(59°F)
Minimum15°C
(59°F)		15°C
(60°F)		14°C
(57°F)		12°C
(53°F)		5°C
(40°F)		8°C
(47°F)		7°C
(46°F)		7°C
(44°F)		9°C
(49°F)		13°C
(56°F)		13°C
(56°F)		13°C
(56°F)

Compare climate in Serro with other places

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

Monthly average precipitation in Serro, Brazil

Serro usually has the most precipitation in February, November and December, with an average of 19 rainy days and 250 mm (9.8 inches) of precipitation per month. The driest months in Serro are June, July and August. On average, 12 mm (0.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Serro. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)130 (5.1)268 (10.5)161 (6.3)80 (3.2)47 (1.8)12 (0.5)8 (0.3)18 (0.7)32 (1.2)139 (5.5)207 (8.2)274 (10.8)
Average precipitation days (≥ 1 mm)919141393244162020

Monthly sunshine hours in Serro, Brazil

The sunniest months in Serro are July, August and September, when the sun shines an average of 10 hours 17 minutes a day. Least sunny months in Serro: January, February and November receive an average of 8 hours 55 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Serro. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours276265307300296297311312323311261293
Mean daily daylight hours13h 5m12h 40m12h 9m11h 38m11h 13m11h 0m11h 7m11h 29m11h 59m12h 31m12h 58m13h 12m

Solar UV radiation in Serro, Brazil

Serro experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 16 - 17, 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 Serro UV Index data.

Average daily maximum UV levels by month for Serro. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)1716151310891113141516