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Monthly climate in Sao Francisco, Brazil

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Sao Francisco features a tropical savanna climate (Aw). Temperatures typically range between 23 °C (74 °F) and 29 °C (84 °F) through the year, but rarely can drop to 9 °C (48 °F) or can rise to as high as 41 °C (105 °F). The average annual precipitation amounts to about 829 mm (32.6 inches) and receives 87 rainy days on the 1 mm (0.04 inches) threshold annually. Sao Francisco enjoys an average of 3707 hours of sunshine throughout the year, and daylight varies from 11 hours 10 minutes to 13 hours 2 minutes per day.

Monthly average temperatures in Sao Francisco, Brazil

The warmest months in Sao Francisco are January, September and October, with daily mean temperatures ranging from 27 to 29 °C (81 - 84 °F) throughout the day. The coldest temperatures usually occur in May, June and July, when daily mean temperatures range from 23 to 25 °C (74 - 76 °F) throughout the day. On average each year, Sao Francisco experiences 325 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. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum38°C
(100°F)		38°C
(101°F)		36°C
(98°F)		35°C
(95°F)		35°C
(95°F)		34°C
(94°F)		35°C
(95°F)		36°C
(97°F)		40°C
(104°F)		41°C
(105°F)		40°C
(103°F)		37°C
(100°F)
Mean maximum36°C
(97°F)		34°C
(94°F)		35°C
(94°F)		34°C
(93°F)		34°C
(93°F)		33°C
(92°F)		33°C
(92°F)		35°C
(96°F)		39°C
(102°F)		40°C
(104°F)		36°C
(96°F)		35°C
(96°F)
Average high32°C
(91°F)		31°C
(88°F)		31°C
(89°F)		31°C
(89°F)		31°C
(87°F)		31°C
(87°F)		30°C
(86°F)		32°C
(89°F)		34°C
(94°F)		35°C
(95°F)		31°C
(88°F)		31°C
(88°F)
Daily mean27°C
(81°F)		26°C
(79°F)		26°C
(79°F)		26°C
(79°F)		25°C
(76°F)		24°C
(76°F)		23°C
(74°F)		25°C
(78°F)		28°C
(82°F)		29°C
(84°F)		26°C
(79°F)		26°C
(79°F)
Average low22°C
(73°F)		22°C
(72°F)		22°C
(72°F)		21°C
(71°F)		19°C
(67°F)		19°C
(66°F)		17°C
(63°F)		19°C
(67°F)		21°C
(70°F)		23°C
(74°F)		22°C
(72°F)		22°C
(72°F)
Mean minimum20°C
(69°F)		21°C
(69°F)		20°C
(68°F)		19°C
(67°F)		15°C
(59°F)		17°C
(62°F)		15°C
(59°F)		16°C
(61°F)		18°C
(64°F)		20°C
(69°F)		20°C
(68°F)		19°C
(67°F)
Minimum20°C
(67°F)		20°C
(68°F)		18°C
(65°F)		17°C
(64°F)		9°C
(48°F)		14°C
(57°F)		13°C
(56°F)		14°C
(58°F)		17°C
(62°F)		18°C
(65°F)		19°C
(66°F)		19°C
(66°F)

Compare climate in Sao Francisco with other places

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

Monthly average precipitation in Sao Francisco, Brazil

Sao Francisco usually has the most precipitation in February, November and December, with an average of 16 rainy days and 168 mm (6.6 inches) of precipitation per month. The driest months in Sao Francisco are June, July and August. On average, 1 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sao Francisco. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)70 (2.7)183 (7.2)122 (4.8)43 (1.7)14 (0.5)1 (0.0)0 (0.0)3 (0.1)4 (0.1)70 (2.7)152 (6.0)168 (6.6)
Average precipitation days (≥ 1 mm)8161282000081617

Monthly sunshine hours in Sao Francisco, Brazil

The sunniest months in Sao Francisco are August, September and October, when the sun shines an average of 10 hours 53 minutes a day. Least sunny months in Sao Francisco: January, February and November receive an average of 9 hours 19 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sao Francisco. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours279274313306312311324332336333285298
Mean daily daylight hours12h 56m12h 35m12h 9m11h 42m11h 21m11h 10m11h 16m11h 35m12h 0m12h 27m12h 50m13h 2m

Solar UV radiation in Sao Francisco, Brazil

Sao Francisco experiences the highest level of ultraviolet (UV) radiation in January, November 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 Very High exposure category. In these months, the maximum values of the UV index do not exceed 10. For more detailed information, check out our hourly Sao Francisco UV Index data.

Average daily maximum UV levels by month for Sao Francisco. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)1615141310991212141515