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Weather & Climate in São João da Fronteira, Brazil
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
São João da Fronteira has a warm climate with an average annual temperature of 77°F (25°C). Winters average 79°F in January while summers reach 76°F in July / relatively mild seasonal variation. The area gets 261 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 41.1 inches. The city sits at an elevation of 768 feet.
Temperature
79°F Jan (26°C)
76°F Jul (24°C)
| Annual Average | 77.4°F |
| 43% above US avg | |
| January Average | 79°F (26°C) |
| July Average | 76°F (24°C) |
| Sunny Days | 261 days/yr |
Geography
| Elevation | 768 ft (234 m) |
| Area | 617.1 sq mi (1,598.3 km²) |
| Population Density | 9/sq mi |
| Coordinates | -3.9556°N, 41.2575°W |
| Timezone | America/Fortaleza |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.3.
| Feb 29, 2008 | 1 km S of Sobral, Brazil | M4.3 | 105 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 79°F (26°C) | 4.4 in | |
| February | 77°F (25°C) | 6.2 in | |
| March | 76°F (24°C) | 10.4 in | Wettest |
| April | 76°F (24°C) | 10.1 in | |
| May | 76°F (24°C) | 5.6 in | Coldest |
| June | 76°F (24°C) | 1.3 in | |
| July | 76°F (24°C) | 0.6 in | |
| August | 77°F (25°C) | 0.1 in | Driest |
| September | 79°F (26°C) | 0.1 in | |
| October | 79°F (26°C) | 0.2 in | |
| November | 80°F (26°C) | 0.5 in | Warmest |
| December | 79°F (26°C) | 1.6 in |
São João da Fronteira has a seasonal temperature swing of 4°F / from 76°F in May to 80°F in November. Total annual precipitation is 41.1 inches, with March being the wettest month (10.4") and August the driest (0.1").