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Monthly climate in Biritiba Mirim, Brazil

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Biritiba Mirim features a humid subtropical climate (Cfa). Temperatures typically range between 16 °C (62 °F) and 23 °C (75 °F) through the year, but rarely can drop to 2 °C (37 °F) or can rise to as high as 36 °C (98 °F). The average annual precipitation amounts to about 1285 mm (50.6 inches) and receives 162 rainy days on the 1 mm (0.04 inches) threshold annually. Biritiba Mirim enjoys an average of 3392 hours of sunshine throughout the year, and daylight varies from 10 hours 42 minutes to 13 hours 32 minutes per day.

Monthly average temperatures in Biritiba Mirim, Brazil

The warmest months in Biritiba Mirim are January, February and March, with daily mean temperatures ranging from 23 to 23 °C (73 - 75 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 16 to 18 °C (62 - 64 °F) throughout the day. On average each year, Biritiba Mirim experiences 187 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 Biritiba Mirim. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum33°C
(92°F)		33°C
(92°F)		32°C
(90°F)		32°C
(90°F)		29°C
(85°F)		29°C
(84°F)		29°C
(84°F)		31°C
(89°F)		35°C
(95°F)		36°C
(98°F)		34°C
(93°F)		33°C
(91°F)
Mean maximum32°C
(91°F)		32°C
(90°F)		31°C
(89°F)		30°C
(86°F)		28°C
(83°F)		26°C
(80°F)		28°C
(82°F)		30°C
(87°F)		33°C
(92°F)		33°C
(92°F)		32°C
(90°F)		32°C
(89°F)
Average high28°C
(83°F)		27°C
(82°F)		28°C
(82°F)		25°C
(78°F)		23°C
(74°F)		23°C
(74°F)		23°C
(73°F)		23°C
(73°F)		26°C
(79°F)		26°C
(78°F)		25°C
(78°F)		27°C
(81°F)
Daily mean23°C
(75°F)		23°C
(73°F)		23°C
(73°F)		20°C
(69°F)		18°C
(65°F)		18°C
(64°F)		16°C
(62°F)		17°C
(63°F)		20°C
(68°F)		21°C
(70°F)		21°C
(69°F)		22°C
(72°F)
Average low20°C
(68°F)		19°C
(67°F)		19°C
(67°F)		17°C
(63°F)		14°C
(58°F)		14°C
(57°F)		12°C
(53°F)		13°C
(56°F)		16°C
(61°F)		17°C
(63°F)		17°C
(63°F)		19°C
(66°F)
Mean minimum17°C
(62°F)		16°C
(62°F)		16°C
(61°F)		13°C
(56°F)		9°C
(48°F)		10°C
(51°F)		7°C
(45°F)		8°C
(47°F)		12°C
(55°F)		13°C
(56°F)		12°C
(55°F)		14°C
(58°F)
Minimum14°C
(57°F)		15°C
(60°F)		13°C
(56°F)		12°C
(53°F)		6°C
(43°F)		7°C
(45°F)		2°C
(37°F)		5°C
(42°F)		10°C
(51°F)		11°C
(52°F)		11°C
(51°F)		12°C
(54°F)

Compare climate in Biritiba Mirim with other places

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

Monthly average precipitation in Biritiba Mirim, Brazil

Biritiba Mirim usually has the most precipitation in January, February and December, with an average of 20 rainy days and 185 mm (7.3 inches) of precipitation per month. The driest months in Biritiba Mirim are June, July and September. On average, 41 mm (1.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Biritiba Mirim. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)204 (8.0)190 (7.5)156 (6.2)65 (2.6)58 (2.3)44 (1.7)29 (1.2)63 (2.5)50 (2.0)131 (5.2)133 (5.2)162 (6.4)
Average precipitation days (≥ 1 mm)2020191187499161722

Monthly sunshine hours in Biritiba Mirim, Brazil

The sunniest months in Biritiba Mirim are March, November and December, when the sun shines an average of 10 hours 1 minutes a day. Least sunny months in Biritiba Mirim: January, June and August receive an average of 8 hours 25 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Biritiba Mirim. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours253269304294280258287263290273296320
Mean daily daylight hours13h 22m12h 51m12h 11m11h 30m10h 57m10h 42m10h 50m11h 19m11h 57m12h 38m13h 14m13h 32m

Solar UV radiation in Biritiba Mirim, Brazil

Biritiba Mirim experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 15 - 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 Biritiba Mirim UV Index data.

Average daily maximum UV levels by month for Biritiba Mirim. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)16151211867911131415