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Monthly climate in Sao Francisco do Sul, Brazil

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Sao Francisco do Sul features a humid subtropical climate (Cfa). Temperatures typically range between 17 °C (63 °F) and 26 °C (78 °F) through the year, but rarely can drop to 3 °C (37 °F) or can rise to as high as 38 °C (101 °F). The average annual precipitation amounts to about 1725 mm (67.9 inches) and receives 201 rainy days on the 1 mm (0.04 inches) threshold annually. Sao Francisco do Sul enjoys an average of 3162 hours of sunshine throughout the year, and daylight varies from 10 hours 30 minutes to 13 hours 44 minutes per day.

Monthly average temperatures in Sao Francisco do Sul, Brazil

The warmest months in Sao Francisco do Sul are January, February and March, with daily mean temperatures ranging from 24 to 26 °C (76 - 78 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 17 to 18 °C (63 - 65 °F) throughout the day. On average each year, Sao Francisco do Sul experiences 175 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 Francisco do Sul. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum38°C
(101°F)		36°C
(98°F)		35°C
(94°F)		34°C
(93°F)		31°C
(88°F)		31°C
(88°F)		31°C
(88°F)		31°C
(88°F)		31°C
(87°F)		37°C
(99°F)		35°C
(95°F)		36°C
(96°F)
Mean maximum35°C
(95°F)		34°C
(94°F)		33°C
(92°F)		31°C
(89°F)		29°C
(85°F)		27°C
(80°F)		29°C
(84°F)		29°C
(85°F)		29°C
(85°F)		32°C
(90°F)		32°C
(91°F)		34°C
(93°F)
Average high30°C
(85°F)		29°C
(84°F)		28°C
(83°F)		26°C
(79°F)		24°C
(75°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		23°C
(74°F)		24°C
(76°F)		26°C
(78°F)		28°C
(83°F)
Daily mean26°C
(78°F)		25°C
(77°F)		24°C
(76°F)		22°C
(72°F)		20°C
(67°F)		18°C
(65°F)		17°C
(63°F)		18°C
(64°F)		20°C
(68°F)		21°C
(70°F)		22°C
(72°F)		24°C
(75°F)
Average low22°C
(72°F)		21°C
(71°F)		21°C
(71°F)		19°C
(66°F)		16°C
(62°F)		15°C
(59°F)		13°C
(56°F)		14°C
(58°F)		17°C
(63°F)		18°C
(65°F)		19°C
(66°F)		21°C
(70°F)
Mean minimum19°C
(67°F)		18°C
(65°F)		18°C
(65°F)		14°C
(58°F)		10°C
(50°F)		10°C
(50°F)		5°C
(42°F)		7°C
(45°F)		13°C
(55°F)		14°C
(58°F)		15°C
(60°F)		17°C
(63°F)
Minimum18°C
(64°F)		16°C
(60°F)		17°C
(63°F)		11°C
(52°F)		7°C
(45°F)		6°C
(43°F)		3°C
(37°F)		5°C
(41°F)		9°C
(49°F)		12°C
(54°F)		13°C
(56°F)		15°C
(59°F)

Compare climate in Sao Francisco do Sul with other places

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

Monthly average precipitation in Sao Francisco do Sul, Brazil

Sao Francisco do Sul usually has the most precipitation in January, February and December, with an average of 21 rainy days and 226 mm (8.9 inches) of precipitation per month. The driest months in Sao Francisco do Sul are July, August and September. On average, 70 mm (2.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sao Francisco do Sul. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)264 (10.4)204 (8.0)199 (7.9)108 (4.3)112 (4.4)108 (4.3)33 (1.3)70 (2.7)106 (4.2)166 (6.5)145 (5.7)209 (8.2)
Average precipitation days (≥ 1 mm)21212515151171014202121

Monthly sunshine hours in Sao Francisco do Sul, Brazil

The sunniest months in Sao Francisco do Sul are March, November and December, when the sun shines an average of 9 hours 50 minutes a day. Least sunny months in Sao Francisco do Sul: January, June and September receive an average of 7 hours 42 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sao Francisco do Sul. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours240285292276244220261244240243295318
Mean daily daylight hours13h 33m12h 57m12h 11m11h 25m10h 48m10h 30m10h 39m11h 12m11h 56m12h 43m13h 24m13h 44m

Solar UV radiation in Sao Francisco do Sul, Brazil

Sao Francisco do Sul experiences the highest level of ultraviolet (UV) radiation in January, November and December, when the maximum UV index can reach values of 14 - 15, which corresponds to the Extreme category of sun exposure. May, June and July are in the High exposure category. In these months, the maximum values of the UV index do not exceed 7. For more detailed information, check out our hourly Sao Francisco do Sul UV Index data.

Average daily maximum UV levels by month for Sao Francisco do Sul. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)15141210766810131415