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Monthly climate in Santos Dumont, Brazil

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Santos Dumont features a humid subtropical climate (Cwa). Temperatures typically range between 17 °C (62 °F) and 23 °C (74 °F) through the year, but rarely can drop to 6 °C (43 °F) or can rise to as high as 34 °C (94 °F). The average annual precipitation amounts to about 1623 mm (63.9 inches) and receives 156 rainy days on the 1 mm (0.04 inches) threshold annually. Santos Dumont enjoys an average of 3209 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 Santos Dumont, Brazil

The warmest months in Santos Dumont are January, February and March, with daily mean temperatures ranging from 22 to 23 °C (73 - 74 °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, Santos Dumont experiences 191 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 Santos Dumont. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum33°C
(91°F)		34°C
(93°F)		32°C
(90°F)		31°C
(88°F)		29°C
(84°F)		29°C
(85°F)		28°C
(82°F)		30°C
(86°F)		33°C
(92°F)		34°C
(94°F)		32°C
(90°F)		33°C
(92°F)
Mean maximum32°C
(89°F)		31°C
(89°F)		31°C
(88°F)		30°C
(86°F)		28°C
(83°F)		28°C
(82°F)		27°C
(81°F)		29°C
(84°F)		31°C
(89°F)		32°C
(89°F)		31°C
(88°F)		31°C
(88°F)
Average high28°C
(83°F)		27°C
(81°F)		28°C
(82°F)		26°C
(78°F)		24°C
(75°F)		23°C
(74°F)		23°C
(73°F)		23°C
(73°F)		26°C
(79°F)		25°C
(78°F)		25°C
(78°F)		27°C
(80°F)
Daily mean23°C
(74°F)		22°C
(73°F)		23°C
(73°F)		21°C
(69°F)		18°C
(66°F)		18°C
(65°F)		17°C
(62°F)		17°C
(63°F)		20°C
(69°F)		21°C
(70°F)		21°C
(69°F)		22°C
(72°F)
Average low19°C
(67°F)		19°C
(67°F)		19°C
(66°F)		17°C
(63°F)		14°C
(58°F)		14°C
(57°F)		12°C
(54°F)		13°C
(56°F)		16°C
(60°F)		17°C
(63°F)		17°C
(63°F)		18°C
(66°F)
Mean minimum18°C
(64°F)		16°C
(62°F)		16°C
(61°F)		13°C
(56°F)		9°C
(49°F)		11°C
(52°F)		9°C
(48°F)		9°C
(48°F)		12°C
(53°F)		13°C
(56°F)		13°C
(56°F)		15°C
(60°F)
Minimum17°C
(63°F)		16°C
(60°F)		14°C
(57°F)		12°C
(53°F)		7°C
(45°F)		9°C
(49°F)		7°C
(44°F)		6°C
(43°F)		10°C
(51°F)		12°C
(54°F)		11°C
(53°F)		13°C
(57°F)

Compare climate in Santos Dumont with other places

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

Monthly average precipitation in Santos Dumont, Brazil

Santos Dumont usually has the most precipitation in February, November and December, with an average of 21 rainy days and 273 mm (10.7 inches) of precipitation per month. The driest months in Santos Dumont are June, July and August. On average, 27 mm (1.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Santos Dumont. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)164 (6.5)274 (10.8)216 (8.5)77 (3.0)50 (2.0)22 (0.9)15 (0.6)42 (1.7)52 (2.1)166 (6.5)241 (9.5)303 (11.9)
Average precipitation days (≥ 1 mm)1519171275369192024

Monthly sunshine hours in Santos Dumont, Brazil

The sunniest months in Santos Dumont are March, July and September, when the sun shines an average of 9 hours 32 minutes a day. Least sunny months in Santos Dumont: February, October and November receive an average of 8 hours 15 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Santos Dumont. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours257255303276270261286258286249237264
Mean daily daylight hours13h 15m12h 46m12h 10m11h 33m11h 4m10h 49m10h 57m11h 23m11h 58m12h 35m13h 7m13h 24m

Solar UV radiation in Santos Dumont, Brazil

Santos Dumont experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 16 - 17, 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 Santos Dumont UV Index data.

Average daily maximum UV levels by month for Santos Dumont. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)171614128781012141416