Monthly climate in Porto Franco, Maranhão, Brazil

Last updated: March 2, 2024

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, Maranhão, 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, Maranhão, 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 35°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 maximum 34°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 high 31°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 mean 26°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 low 23°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 minimum 22°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)
Minimum 21°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, Maranhão, Brazil with other places around the world.

Monthly average precipitation in Porto Franco, Maranhão, 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, Maranhão, 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) 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) 22 25 28 21 9 0 0 0 1 7 17 21

Monthly sunshine hours in Porto Franco, Maranhão, 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, Maranhão, 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 237 220 261 282 328 327 338 342 334 333 283 284
Mean daily daylight hours 12h 25m 12h 17m 12h 6m 11h 56m 11h 48m 11h 44m 11h 46m 11h 53m 12h 3m 12h 14m 12h 23m 12h 28m

Solar UV radiation in Porto Franco, Maranhão, 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, Maranhão, 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 15 15 12 11 11 12 13 13 14 14

Detailed Monthly Weather Insights for Porto Franco, Maranhão, Brazil

Discover in-depth weather details for every month in Porto Franco. 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 Porto Franco'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.