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Monthly climate in Monte Siao, Brazil

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Monte Siao features a humid subtropical climate (Cfa). Temperatures typically range between 17 °C (62 °F) and 23 °C (74 °F) through the year, but rarely can drop to 1 °C (34 °F) or can rise to as high as 36 °C (97 °F). The average annual precipitation amounts to about 1024 mm (40.3 inches) and receives 117 rainy days on the 1 mm (0.04 inches) threshold annually. Monte Siao enjoys an average of 3477 hours of sunshine throughout the year, and daylight varies from 10 hours 46 minutes to 13 hours 28 minutes per day.

Monthly average temperatures in Monte Siao, Brazil

The warmest months in Monte Siao are January, February and December, with daily mean temperatures ranging from 23 to 23 °C (73 - 74 °F) throughout the day. The coldest temperatures usually occur in May, June and July, when daily mean temperatures range from 17 to 18 °C (62 - 65 °F) throughout the day. On average each year, Monte Siao experiences 225 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 Monte Siao. 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)		32°C
(89°F)		30°C
(86°F)		29°C
(85°F)		28°C
(82°F)		28°C
(83°F)		31°C
(88°F)		35°C
(95°F)		36°C
(97°F)		34°C
(93°F)		33°C
(91°F)
Mean maximum32°C
(90°F)		32°C
(90°F)		31°C
(88°F)		29°C
(85°F)		28°C
(82°F)		27°C
(80°F)		27°C
(81°F)		30°C
(86°F)		34°C
(93°F)		33°C
(92°F)		32°C
(90°F)		31°C
(88°F)
Average high28°C
(83°F)		28°C
(82°F)		28°C
(82°F)		26°C
(80°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		25°C
(77°F)		29°C
(84°F)		28°C
(82°F)		27°C
(81°F)		28°C
(82°F)
Daily mean23°C
(74°F)		23°C
(73°F)		22°C
(73°F)		21°C
(69°F)		18°C
(65°F)		18°C
(64°F)		17°C
(62°F)		18°C
(65°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		23°C
(73°F)
Average low19°C
(67°F)		19°C
(66°F)		18°C
(65°F)		16°C
(61°F)		13°C
(56°F)		13°C
(56°F)		11°C
(52°F)		13°C
(56°F)		16°C
(62°F)		18°C
(64°F)		17°C
(64°F)		19°C
(66°F)
Mean minimum16°C
(62°F)		16°C
(61°F)		15°C
(60°F)		11°C
(53°F)		7°C
(44°F)		10°C
(50°F)		5°C
(41°F)		7°C
(46°F)		12°C
(54°F)		13°C
(56°F)		13°C
(55°F)		15°C
(60°F)
Minimum14°C
(58°F)		15°C
(59°F)		13°C
(56°F)		9°C
(49°F)		2°C
(35°F)		8°C
(46°F)		1°C
(34°F)		4°C
(40°F)		9°C
(49°F)		12°C
(54°F)		9°C
(49°F)		13°C
(56°F)

Compare climate in Monte Siao with other places

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

Monthly average precipitation in Monte Siao, Brazil

Monte Siao usually has the most precipitation in January, February and December, with an average of 16 rainy days and 164 mm (6.4 inches) of precipitation per month. The driest months in Monte Siao are June, July and August. On average, 21 mm (0.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Monte Siao. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)175 (6.9)153 (6.0)107 (4.2)43 (1.7)39 (1.5)17 (0.6)10 (0.4)36 (1.4)38 (1.5)117 (4.6)126 (5.0)163 (6.4)
Average precipitation days (≥ 1 mm)161715743155131417

Monthly sunshine hours in Monte Siao, Brazil

The sunniest months in Monte Siao are March, July and September, when the sun shines an average of 10 hours 6 minutes a day. Least sunny months in Monte Siao: January, February and June receive an average of 8 hours 39 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Monte Siao. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours231266310297292281312298306287292301
Mean daily daylight hours13h 18m12h 49m12h 10m11h 32m11h 1m10h 46m10h 54m11h 21m11h 58m12h 36m13h 10m13h 28m

Solar UV radiation in Monte Siao, Brazil

Monte Siao 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 Monte Siao UV Index data.

Average daily maximum UV levels by month for Monte Siao. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)161613128781012141516