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Monthly climate in Sao Sebastiao, São Paulo, Brazil

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Sao Sebastiao features a humid subtropical climate (Cfa). Temperatures typically range between 19 °C (67 °F) and 26 °C (79 °F) through the year, but rarely can drop to 11 °C (52 °F) or can rise to as high as 36 °C (96 °F). The average annual precipitation amounts to about 1883 mm (74.1 inches) and receives 183 rainy days on the 1 mm (0.04 inches) threshold annually. Sao Sebastiao enjoys an average of 3405 hours of sunshine throughout the year, and daylight varies from 10 hours 40 minutes to 13 hours 33 minutes per day.

Monthly average temperatures in Sao Sebastiao, São Paulo, Brazil §

The warmest months in Sao Sebastiao are January, February and March, with daily mean temperatures ranging from 25 to 26 °C (77 - 79 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 19 to 21 °C (67 - 69 °F) throughout the day. On average each year, Sao Sebastiao experiences 139 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 Sebastiao, São Paulo, Brazil. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 32°C
(90°F)		 32°C
(90°F)		 32°C
(89°F)		 32°C
(89°F)		 28°C
(83°F)		 30°C
(86°F)		 29°C
(85°F)		 31°C
(88°F)		 34°C
(93°F)		 36°C
(96°F)		 31°C
(88°F)		 31°C
(88°F)
Mean maximum 31°C
(89°F)		 31°C
(87°F)		 30°C
(87°F)		 29°C
(85°F)		 28°C
(82°F)		 27°C
(81°F)		 28°C
(83°F)		 28°C
(83°F)		 30°C
(87°F)		 31°C
(88°F)		 29°C
(85°F)		 30°C
(86°F)
Average high 28°C
(82°F)		 27°C
(81°F)		 27°C
(81°F)		 25°C
(77°F)		 23°C
(74°F)		 23°C
(74°F)		 22°C
(72°F)		 21°C
(71°F)		 23°C
(73°F)		 24°C
(75°F)		 24°C
(75°F)		 26°C
(78°F)
Daily mean 26°C
(79°F)		 25°C
(77°F)		 25°C
(77°F)		 23°C
(74°F)		 21°C
(70°F)		 21°C
(69°F)		 20°C
(67°F)		 19°C
(67°F)		 21°C
(70°F)		 22°C
(71°F)		 22°C
(72°F)		 24°C
(75°F)
Average low 24°C
(75°F)		 23°C
(74°F)		 23°C
(74°F)		 21°C
(71°F)		 20°C
(67°F)		 19°C
(66°F)		 18°C
(64°F)		 18°C
(64°F)		 19°C
(67°F)		 20°C
(69°F)		 20°C
(69°F)		 22°C
(72°F)
Mean minimum 21°C
(70°F)		 21°C
(70°F)		 21°C
(70°F)		 19°C
(66°F)		 16°C
(61°F)		 16°C
(62°F)		 13°C
(57°F)		 14°C
(58°F)		 17°C
(62°F)		 17°C
(64°F)		 17°C
(64°F)		 19°C
(67°F)
Minimum 20°C
(69°F)		 20°C
(68°F)		 19°C
(66°F)		 17°C
(64°F)		 14°C
(57°F)		 15°C
(60°F)		 11°C
(52°F)		 13°C
(56°F)		 15°C
(60°F)		 16°C
(61°F)		 16°C
(60°F)		 18°C
(64°F)

Compare climate in Sao Sebastiao with other places

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

Monthly average precipitation in Sao Sebastiao, São Paulo, Brazil §

Sao Sebastiao usually has the most precipitation in January, February and March, with an average of 20 rainy days and 244 mm (9.6 inches) of precipitation per month. The driest months in Sao Sebastiao are June, July and September. On average, 86 mm (3.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sao Sebastiao, São Paulo, Brazil. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 206 (8.1) 277 (10.9) 247 (9.7) 125 (4.9) 119 (4.7) 100 (4.0) 63 (2.5) 116 (4.6) 95 (3.7) 161 (6.3) 176 (6.9) 197 (7.7)
Average precipitation days (≥ 1 mm) 19 21 20 15 11 12 6 11 11 19 18 20

Monthly sunshine hours in Sao Sebastiao, São Paulo, Brazil §

The sunniest months in Sao Sebastiao are March, November and December, when the sun shines an average of 10 hours 4 minutes a day. Least sunny months in Sao Sebastiao: January, June and August receive an average of 8 hours 28 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sao Sebastiao, São Paulo, Brazil. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 256 272 304 294 282 260 287 262 290 271 298 323
Mean daily daylight hours 13h 23m 12h 51m 12h 11m 11h 30m 10h 56m 10h 40m 10h 49m 11h 18m 11h 57m 12h 38m 13h 15m 13h 33m

Solar UV radiation in Sao Sebastiao, São Paulo, Brazil §

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

Average daily maximum UV levels by month for Sao Sebastiao, São Paulo, Brazil. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 15 15 12 11 8 6 7 9 11 13 14 15

Detailed Monthly Weather Insights for Sao Sebastiao, São Paulo, Brazil

Discover in-depth weather details for every month in Sao Sebastiao. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Sao Sebastiao's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.