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Weather & Climate in Rio Fortuna, Brazil
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Rio Fortuna has a warm climate with an average annual temperature of 71°F (22°C). Winters average 77°F in January while summers reach 64°F in July / relatively mild seasonal variation. The area gets 264 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 77.3 inches (wetter than the 38-inch national average). The city sits at an elevation of 413 feet.
Temperature
77°F Jan (25°C)
64°F Jul (18°C)
| Annual Average | 71.3°F |
| 32% above US avg | |
| January Average | 77°F (25°C) |
| July Average | 64°F (18°C) |
| Sunny Days | 264 days/yr |
Geography
| Elevation | 413 ft (126 m) |
| Area | 185.7 sq mi (481.0 km²) |
| Population Density | 26/sq mi |
| Coordinates | -28.1311°N, 49.1053°W |
| Timezone | America/Sao_Paulo |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.2.
| Apr 13, 2018 | 4 km NE of Santo Amaro da Imperatriz, Brazil | M3.2 | 63 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
1 hurricane (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.
| Year | Name | Category | Max Wind | Closest |
| 2004 | Unnamed | Category 1 | 86 mph | 108 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 77°F (25°C) | 7.8 in | Warmest, Wettest |
| February | 73°F (23°C) | 7.3 in | |
| March | 71°F (22°C) | 6.0 in | |
| April | 66°F (19°C) | 4.2 in | |
| May | 62°F (17°C) | 3.5 in | |
| June | 59°F (15°C) | 3.8 in | Coldest |
| July | 64°F (18°C) | 3.2 in | Driest |
| August | 59°F (15°C) | 4.3 in | |
| September | 61°F (16°C) | 5.4 in | |
| October | 64°F (18°C) | 5.1 in | |
| November | 67°F (20°C) | 4.6 in | |
| December | 70°F (21°C) | 4.7 in |
Rio Fortuna has a seasonal temperature swing of 18°F / from 59°F in June to 77°F in January. Total annual precipitation is 59.8 inches, with January being the wettest month (7.8") and July the driest (3.2").