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Monthly climate in Porto Franco, Brazil

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Porto Franco features a tropical savanna climate (Aw). Temperatures typically range between 26 °C (80 °F) and 29 °C (85 °F) through the year, but rarely can drop to 16 °C (61 °F) or can rise to as high as 39 °C (102 °F). The average annual precipitation amounts to about 1189 mm (46.8 inches) and receives 151 rainy days on the 1 mm (0.04 inches) threshold annually. Porto Franco enjoys an average of 3575 hours of sunshine throughout the year, and daylight varies from 11 hours 44 minutes to 12 hours 28 minutes per day.

Monthly average temperatures in Porto Franco, Brazil

The warmest months in Porto Franco are August, September and October, with daily mean temperatures ranging from 28 to 29 °C (83 - 85 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 26 to 26 °C (80 - 80 °F) throughout the day. On average each year, Porto Franco experiences 329 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 Porto Franco. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum35°C
(95°F)		33°C
(92°F)		34°C
(93°F)		35°C
(95°F)		35°C
(96°F)		36°C
(96°F)		37°C
(98°F)		38°C
(100°F)		39°C
(102°F)		39°C
(102°F)		37°C
(98°F)		36°C
(97°F)
Mean maximum34°C
(93°F)		33°C
(92°F)		33°C
(91°F)		34°C
(94°F)		35°C
(95°F)		35°C
(94°F)		36°C
(97°F)		37°C
(99°F)		37°C
(99°F)		37°C
(99°F)		35°C
(96°F)		35°C
(94°F)
Average high31°C
(87°F)		31°C
(87°F)		31°C
(88°F)		31°C
(89°F)		33°C
(91°F)		34°C
(93°F)		34°C
(94°F)		35°C
(96°F)		36°C
(97°F)		34°C
(94°F)		32°C
(90°F)		31°C
(89°F)
Daily mean26°C
(80°F)		26°C
(80°F)		26°C
(80°F)		27°C
(81°F)		27°C
(82°F)		27°C
(82°F)		27°C
(82°F)		28°C
(83°F)		29°C
(85°F)		29°C
(84°F)		27°C
(82°F)		27°C
(81°F)
Average low23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		22°C
(72°F)		21°C
(70°F)		22°C
(71°F)		23°C
(74°F)		24°C
(76°F)		24°C
(75°F)		24°C
(75°F)
Mean minimum22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		21°C
(70°F)		20°C
(68°F)		19°C
(66°F)		19°C
(67°F)		21°C
(70°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)
Minimum21°C
(71°F)		21°C
(71°F)		22°C
(71°F)		22°C
(71°F)		20°C
(69°F)		17°C
(64°F)		16°C
(61°F)		16°C
(62°F)		19°C
(67°F)		21°C
(70°F)		21°C
(71°F)		21°C
(71°F)

Compare climate in Porto Franco with other places

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

Monthly average precipitation in Porto Franco, Brazil

Porto Franco usually has the most precipitation in January, February and March, with an average of 25 rainy days and 216 mm (8.5 inches) of precipitation per month. The driest months in Porto Franco are June, July and August. On average, 4 mm (0.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Porto Franco. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)170 (6.7)252 (9.9)227 (8.9)167 (6.6)50 (2.0)4 (0.1)6 (0.2)2 (0.1)8 (0.3)33 (1.3)133 (5.2)137 (5.4)
Average precipitation days (≥ 1 mm)222528219000171721

Monthly sunshine hours in Porto Franco, Brazil

The sunniest months in Porto Franco are July, August and September, when the sun shines an average of 11 hours 2 minutes a day. Least sunny months in Porto Franco: January, February and March receive an average of 7 hours 54 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Porto Franco. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours237220261282328327338342334333283284
Mean daily daylight hours12h 25m12h 17m12h 6m11h 56m11h 48m11h 44m11h 46m11h 53m12h 3m12h 14m12h 23m12h 28m

Solar UV radiation in Porto Franco, Brazil

Porto Franco experiences the highest level of ultraviolet (UV) radiation in January, March and April, 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 Extreme exposure category. In these months, the maximum values of the UV index do not exceed 12. For more detailed information, check out our hourly Porto Franco UV Index data.

Average daily maximum UV levels by month for Porto Franco. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)151515151211111213131414