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Monthly climate in Sao Simao, Brazil

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Sao Simao features a tropical savanna climate (Aw). Temperatures typically range between 19 °C (66 °F) and 25 °C (77 °F) through the year, but rarely can drop to 2 °C (37 °F) or can rise to as high as 38 °C (101 °F). The average annual precipitation amounts to about 1031 mm (40.6 inches) and receives 108 rainy days on the 1 mm (0.04 inches) threshold annually. Sao Simao enjoys an average of 3642 hours of sunshine throughout the year, and daylight varies from 10 hours 49 minutes to 13 hours 24 minutes per day.

Monthly average temperatures in Sao Simao, Brazil

The warmest months in Sao Simao are January, March and October, with daily mean temperatures ranging from 25 to 25 °C (77 - 77 °F) throughout the day. The coldest temperatures usually occur in May, June and July, when daily mean temperatures range from 19 to 20 °C (66 - 69 °F) throughout the day. On average each year, Sao Simao experiences 293 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 Sao Simao. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum36°C
(98°F)		37°C
(98°F)		34°C
(93°F)		33°C
(91°F)		31°C
(88°F)		30°C
(87°F)		31°C
(87°F)		34°C
(94°F)		37°C
(100°F)		38°C
(101°F)		38°C
(100°F)		35°C
(95°F)
Mean maximum34°C
(94°F)		34°C
(93°F)		33°C
(92°F)		32°C
(90°F)		30°C
(87°F)		29°C
(85°F)		29°C
(85°F)		33°C
(92°F)		36°C
(97°F)		36°C
(97°F)		35°C
(95°F)		34°C
(93°F)
Average high30°C
(86°F)		30°C
(86°F)		30°C
(87°F)		29°C
(84°F)		27°C
(80°F)		26°C
(80°F)		26°C
(79°F)		28°C
(82°F)		32°C
(89°F)		31°C
(88°F)		30°C
(86°F)		30°C
(86°F)
Daily mean25°C
(77°F)		25°C
(77°F)		25°C
(77°F)		23°C
(74°F)		20°C
(69°F)		20°C
(68°F)		19°C
(66°F)		21°C
(70°F)		25°C
(77°F)		25°C
(77°F)		24°C
(76°F)		25°C
(77°F)
Average low21°C
(70°F)		21°C
(69°F)		20°C
(68°F)		18°C
(64°F)		15°C
(59°F)		14°C
(58°F)		12°C
(54°F)		15°C
(59°F)		18°C
(65°F)		20°C
(68°F)		19°C
(67°F)		20°C
(69°F)
Mean minimum18°C
(65°F)		18°C
(65°F)		17°C
(63°F)		14°C
(57°F)		8°C
(47°F)		11°C
(52°F)		6°C
(44°F)		9°C
(49°F)		13°C
(56°F)		16°C
(61°F)		16°C
(61°F)		18°C
(64°F)
Minimum17°C
(62°F)		17°C
(63°F)		16°C
(60°F)		12°C
(53°F)		5°C
(41°F)		8°C
(47°F)		2°C
(37°F)		6°C
(44°F)		10°C
(51°F)		15°C
(59°F)		12°C
(54°F)		15°C
(59°F)

Compare climate in Sao Simao with other places

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

Monthly average precipitation in Sao Simao, Brazil

Sao Simao usually has the most precipitation in January, November and December, with an average of 15 rainy days and 164 mm (6.5 inches) of precipitation per month. The driest months in Sao Simao are June, July and August. On average, 14 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sao Simao. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)176 (6.9)150 (5.9)117 (4.6)59 (2.3)29 (1.1)12 (0.5)9 (0.3)22 (0.9)29 (1.1)113 (4.4)150 (5.9)165 (6.5)
Average precipitation days (≥ 1 mm)171614652033121317

Monthly sunshine hours in Sao Simao, Brazil

The sunniest months in Sao Simao are March, July and December, when the sun shines an average of 10 hours 19 minutes a day. Least sunny months in Sao Simao: January, February and June receive an average of 9 hours 11 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sao Simao. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours243288325308302294314311313306311320
Mean daily daylight hours13h 15m12h 46m12h 10m11h 33m11h 4m10h 49m10h 57m11h 23m11h 58m12h 35m13h 7m13h 24m

Solar UV radiation in Sao Simao, Brazil

Sao Simao 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 Sao Simao UV Index data.

Average daily maximum UV levels by month for Sao Simao. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)151613118781011131416