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Monthly climate in Serra Negra, Brazil

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Serra Negra features a humid subtropical climate (Cfa). Temperatures typically range between 18 °C (64 °F) and 24 °C (76 °F) through the year, but rarely can drop to 2 °C (35 °F) or can rise to as high as 37 °C (100 °F). The average annual precipitation amounts to about 1112 mm (43.8 inches) and receives 116 rainy days on the 1 mm (0.04 inches) threshold annually. Serra Negra enjoys an average of 3569 hours of sunshine throughout the year, and daylight varies from 10 hours 45 minutes to 13 hours 29 minutes per day.

Monthly average temperatures in Serra Negra, Brazil

The warmest months in Serra Negra are January, February and December, with daily mean temperatures ranging from 24 to 24 °C (75 - 76 °F) throughout the day. The coldest temperatures usually occur in May, June and July, when daily mean temperatures range from 18 to 19 °C (64 - 67 °F) throughout the day. On average each year, Serra Negra experiences 265 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 Serra Negra. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum35°C
(96°F)		36°C
(97°F)		33°C
(92°F)		32°C
(89°F)		30°C
(87°F)		29°C
(85°F)		30°C
(86°F)		32°C
(91°F)		36°C
(97°F)		37°C
(100°F)		36°C
(96°F)		34°C
(94°F)
Mean maximum34°C
(93°F)		34°C
(93°F)		33°C
(91°F)		31°C
(88°F)		29°C
(85°F)		28°C
(82°F)		28°C
(83°F)		31°C
(89°F)		35°C
(95°F)		35°C
(95°F)		34°C
(93°F)		33°C
(91°F)
Average high29°C
(85°F)		29°C
(85°F)		29°C
(85°F)		28°C
(82°F)		25°C
(78°F)		25°C
(77°F)		25°C
(77°F)		26°C
(79°F)		30°C
(87°F)		29°C
(85°F)		29°C
(84°F)		29°C
(85°F)
Daily mean24°C
(76°F)		24°C
(75°F)		24°C
(75°F)		22°C
(72°F)		19°C
(67°F)		19°C
(66°F)		18°C
(64°F)		19°C
(67°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		24°C
(75°F)
Average low20°C
(68°F)		20°C
(68°F)		19°C
(67°F)		17°C
(63°F)		14°C
(58°F)		14°C
(57°F)		12°C
(53°F)		14°C
(57°F)		17°C
(63°F)		19°C
(66°F)		18°C
(65°F)		19°C
(67°F)
Mean minimum17°C
(63°F)		17°C
(62°F)		16°C
(61°F)		12°C
(54°F)		7°C
(45°F)		11°C
(51°F)		6°C
(42°F)		8°C
(47°F)		13°C
(55°F)		14°C
(58°F)		14°C
(57°F)		16°C
(62°F)
Minimum15°C
(60°F)		16°C
(61°F)		14°C
(58°F)		10°C
(51°F)		2°C
(35°F)		8°C
(46°F)		2°C
(35°F)		5°C
(42°F)		10°C
(50°F)		13°C
(56°F)		11°C
(52°F)		14°C
(57°F)

Compare climate in Serra Negra with other places

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

Monthly average precipitation in Serra Negra, Brazil

Serra Negra usually has the most precipitation in January, February and December, with an average of 16 rainy days and 176 mm (6.9 inches) of precipitation per month. The driest months in Serra Negra are June, July and September. On average, 24 mm (1.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Serra Negra. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)198 (7.8)167 (6.6)111 (4.4)51 (2.0)44 (1.7)23 (0.9)10 (0.4)41 (1.6)40 (1.6)119 (4.7)146 (5.8)162 (6.4)
Average precipitation days (≥ 1 mm)171514644156131318

Monthly sunshine hours in Serra Negra, Brazil

The sunniest months in Serra Negra are March, July and December, when the sun shines an average of 10 hours 12 minutes a day. Least sunny months in Serra Negra: January, February and June receive an average of 8 hours 53 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Serra Negra. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours237279318304296284312302310299305317
Mean daily daylight hours13h 19m12h 49m12h 10m11h 32m11h 0m10h 45m10h 53m11h 21m11h 58m12h 37m13h 11m13h 29m

Solar UV radiation in Serra Negra, Brazil

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

Average daily maximum UV levels by month for Serra Negra. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)161613118681012141516