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Monthly climate in Jacarei, Brazil

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Jacarei features a humid subtropical climate (Cfa). Temperatures typically range between 17 °C (62 °F) and 24 °C (75 °F) through the year, but rarely can drop to 3 °C (37 °F) or can rise to as high as 36 °C (98 °F). The average annual precipitation amounts to about 1087 mm (42.8 inches) and receives 134 rainy days on the 1 mm (0.04 inches) threshold annually. Jacarei enjoys an average of 3303 hours of sunshine throughout the year, and daylight varies from 10 hours 43 minutes to 13 hours 31 minutes per day.

Monthly average temperatures in Jacarei, Brazil

The warmest months in Jacarei are January, February and March, with daily mean temperatures ranging from 23 to 24 °C (74 - 75 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 17 to 18 °C (62 - 65 °F) throughout the day. On average each year, Jacarei experiences 212 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 Jacarei. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum34°C
(93°F)		34°C
(94°F)		33°C
(91°F)		32°C
(89°F)		30°C
(86°F)		29°C
(85°F)		29°C
(85°F)		32°C
(90°F)		35°C
(94°F)		36°C
(98°F)		35°C
(95°F)		33°C
(92°F)
Mean maximum33°C
(91°F)		33°C
(91°F)		32°C
(90°F)		30°C
(87°F)		28°C
(84°F)		27°C
(80°F)		28°C
(83°F)		31°C
(87°F)		34°C
(93°F)		33°C
(93°F)		33°C
(91°F)		32°C
(91°F)
Average high29°C
(84°F)		28°C
(83°F)		28°C
(83°F)		26°C
(79°F)		24°C
(76°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		27°C
(82°F)		27°C
(80°F)		26°C
(80°F)		28°C
(82°F)
Daily mean24°C
(75°F)		23°C
(74°F)		23°C
(74°F)		21°C
(70°F)		19°C
(66°F)		18°C
(65°F)		17°C
(62°F)		18°C
(64°F)		21°C
(70°F)		21°C
(71°F)		21°C
(71°F)		23°C
(73°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)		11°C
(53°F)		13°C
(55°F)		16°C
(60°F)		17°C
(63°F)		17°C
(63°F)		19°C
(66°F)
Mean minimum17°C
(62°F)		17°C
(62°F)		16°C
(61°F)		13°C
(56°F)		9°C
(48°F)		10°C
(51°F)		7°C
(44°F)		7°C
(45°F)		12°C
(54°F)		12°C
(55°F)		13°C
(55°F)		15°C
(59°F)
Minimum15°C
(59°F)		16°C
(61°F)		13°C
(55°F)		12°C
(53°F)		6°C
(42°F)		7°C
(44°F)		3°C
(37°F)		3°C
(38°F)		11°C
(52°F)		11°C
(52°F)		11°C
(52°F)		13°C
(55°F)

Compare climate in Jacarei with other places

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

Monthly average precipitation in Jacarei, Brazil

Jacarei usually has the most precipitation in January, February and December, with an average of 18 rainy days and 155 mm (6.1 inches) of precipitation per month. The driest months in Jacarei are April, June and July. On average, 34 mm (1.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Jacarei. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)161 (6.3)154 (6.0)122 (4.8)47 (1.8)50 (2.0)35 (1.4)21 (0.8)54 (2.1)50 (2.0)120 (4.7)123 (4.8)149 (5.9)
Average precipitation days (≥ 1 mm)171715965376151420

Monthly sunshine hours in Jacarei, Brazil

The sunniest months in Jacarei are March, July and December, when the sun shines an average of 9 hours 33 minutes a day. Least sunny months in Jacarei: January, February and June receive an average of 8 hours 24 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Jacarei. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours236258298284278261291263289263277299
Mean daily daylight hours13h 21m12h 50m12h 11m11h 31m10h 58m10h 43m10h 51m11h 20m11h 57m12h 38m13h 13m13h 31m

Solar UV radiation in Jacarei, Brazil

Jacarei 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 Jacarei UV Index data.

Average daily maximum UV levels by month for Jacarei. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)16161311867912131416