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Weather & Climate in Santo Antônio, Brazil
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Santo Antônio has a warm climate with an average annual temperature of 79°F (26°C). Winters average 80°F in January while summers reach 76°F in July / relatively mild seasonal variation. The area gets 352 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 25.5 inches (drier than the 38-inch national average). The city sits at an elevation of 305 feet.
Temperature
80°F Jan (27°C)
76°F Jul (25°C)
| Annual Average | 78.9°F |
| 46% above US avg | |
| January Average | 80°F (27°C) |
| July Average | 76°F (25°C) |
| Sunny Days | 352 days/yr |
Geography
| Elevation | 305 ft (93 m) |
| Area | 147.1 sq mi (381.1 km²) |
| Population Density | 151/sq mi |
| Coordinates | -6.3106°N, 35.4789°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.
| Jan 11, 2010 | 2 km NW of Poço Branco, Brazil | M4.3 | 81 km | 12 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 80°F (27°C) | 1.7 in | |
| February | 80°F (27°C) | 3.1 in | Warmest |
| March | 80°F (26°C) | 5.4 in | |
| April | 79°F (26°C) | 6.2 in | Wettest |
| May | 77°F (25°C) | 5.3 in | |
| June | 75°F (24°C) | 5.2 in | |
| July | 76°F (25°C) | 5.0 in | |
| August | 75°F (24°C) | 2.2 in | Coldest |
| September | 76°F (25°C) | 1.3 in | |
| October | 78°F (26°C) | 0.3 in | Driest |
| November | 79°F (26°C) | 0.4 in | |
| December | 80°F (27°C) | 0.7 in |
Santo Antônio has a seasonal temperature swing of 6°F / from 75°F in August to 80°F in February. Total annual precipitation is 36.7 inches, with April being the wettest month (6.2") and October the driest (0.3").