Monthly climate in Fortuna, Maranhão, Brazil

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Fortuna features a tropical savanna climate (Aw). Temperatures typically range between 26 °C (78 °F) and 29 °C (85 °F) through the year, but rarely can drop to 18 °C (65 °F) or can rise to as high as 38 °C (101 °F). The average annual precipitation amounts to about 1135 mm (44.7 inches) and receives 141 rainy days on the 1 mm (0.04 inches) threshold annually. Fortuna enjoys an average of 3534 hours of sunshine throughout the year, and daylight varies from 11 hours 47 minutes to 12 hours 26 minutes per day.

Monthly average temperatures in Fortuna, Maranhão, Brazil §

The warmest months in Fortuna 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 (78 - 79 °F) throughout the day. On average each year, Fortuna 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 Fortuna, 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 34°C
(94°F)
34°C
(93°F)
33°C
(92°F)
34°C
(93°F)
34°C
(93°F)
34°C
(94°F)
35°C
(96°F)
37°C
(99°F)
38°C
(101°F)
38°C
(101°F)
37°C
(99°F)
36°C
(98°F)
Mean maximum 34°C
(93°F)
33°C
(92°F)
33°C
(91°F)
33°C
(92°F)
34°C
(93°F)
33°C
(92°F)
34°C
(94°F)
36°C
(97°F)
37°C
(100°F)
37°C
(100°F)
36°C
(97°F)
35°C
(96°F)
Average high 31°C
(87°F)
30°C
(87°F)
30°C
(86°F)
31°C
(87°F)
32°C
(89°F)
32°C
(91°F)
33°C
(91°F)
34°C
(94°F)
36°C
(96°F)
35°C
(96°F)
33°C
(91°F)
32°C
(90°F)
Daily mean 26°C
(79°F)
26°C
(79°F)
26°C
(78°F)
26°C
(79°F)
27°C
(80°F)
27°C
(81°F)
27°C
(81°F)
28°C
(83°F)
29°C
(85°F)
29°C
(85°F)
28°C
(82°F)
27°C
(81°F)
Average low 23°C
(73°F)
23°C
(73°F)
23°C
(73°F)
23°C
(73°F)
23°C
(73°F)
22°C
(73°F)
22°C
(72°F)
22°C
(72°F)
23°C
(74°F)
24°C
(75°F)
23°C
(74°F)
23°C
(74°F)
Mean minimum 21°C
(71°F)
21°C
(71°F)
21°C
(71°F)
22°C
(71°F)
21°C
(69°F)
21°C
(69°F)
19°C
(67°F)
20°C
(68°F)
22°C
(71°F)
22°C
(72°F)
22°C
(72°F)
21°C
(70°F)
Minimum 21°C
(69°F)
21°C
(69°F)
21°C
(71°F)
21°C
(70°F)
19°C
(66°F)
19°C
(66°F)
19°C
(66°F)
18°C
(65°F)
21°C
(69°F)
21°C
(70°F)
21°C
(71°F)
20°C
(69°F)

Compare climate in Fortuna with other places

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

Monthly average precipitation in Fortuna, Maranhão, Brazil §

Fortuna usually has the most precipitation in January, February and March, with an average of 25 rainy days and 214 mm (8.4 inches) of precipitation per month. The driest months in Fortuna 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 Fortuna, 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) 169 (6.6) 220 (8.7) 253 (9.9) 169 (6.6) 47 (1.9) 6 (0.2) 4 (0.2) 2 (0.1) 7 (0.3) 32 (1.2) 92 (3.6) 134 (5.3)
Average precipitation days (≥ 1 mm) 22 25 28 22 8 0 0 0 1 5 13 17

Monthly sunshine hours in Fortuna, Maranhão, Brazil §

The sunniest months in Fortuna are August, September and October, when the sun shines an average of 11 hours 6 minutes a day. Least sunny months in Fortuna: January, February and March receive an average of 7 hours 25 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Fortuna, 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 217 212 246 257 324 322 334 345 335 340 302 295
Mean daily daylight hours 12h 23m 12h 16m 12h 6m 11h 57m 11h 50m 11h 47m 11h 48m 11h 55m 12h 3m 12h 13m 12h 21m 12h 26m

Solar UV radiation in Fortuna, Maranhão, Brazil §

Fortuna 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. June, July and August 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 Fortuna UV Index data.

Average daily maximum UV levels by month for Fortuna, 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 13 11 11 12 13 13 14 14

Detailed Monthly Weather Insights for Fortuna, Maranhão, Brazil

Discover in-depth weather details for every month in Fortuna. 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 Fortuna'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.