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Weather & Climate in Santo Amaro do Maranhão, Brazil
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Santo Amaro do Maranhão has a warm climate with an average annual temperature of 81°F (27°C). Winters average 80°F in January while summers reach 80°F in July / relatively mild seasonal variation. The area gets 340 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 60.1 inches (wetter than the 38-inch national average). The city sits at an elevation of 26 feet.
Temperature
80°F Jan (27°C)
80°F Jul (27°C)
| Annual Average | 81.1°F |
| 50% above US avg | |
| January Average | 80°F (27°C) |
| July Average | 80°F (27°C) |
| Sunny Days | 340 days/yr |
Geography
| Elevation | 26 ft (8 m) |
| Area | 636.9 sq mi (1,649.7 km²) |
| Population Density | 0/sq mi |
| Coordinates | -2.5038°N, 43.2507°W |
| Timezone | America/Fortaleza |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.5.
| Jan 3, 2017 | Maranhao, Brazil | M4.5 | 123 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 80°F (27°C) | 6.8 in | Coldest |
| February | 80°F (27°C) | 10.4 in | |
| March | 80°F (27°C) | 14.2 in | Wettest |
| April | 80°F (27°C) | 13.6 in | |
| May | 80°F (27°C) | 10.3 in | |
| June | 81°F (27°C) | 4.7 in | |
| July | 80°F (27°C) | 3.2 in | |
| August | 81°F (27°C) | 0.6 in | |
| September | 82°F (28°C) | 0.4 in | |
| October | 82°F (28°C) | 0.3 in | Warmest, Driest |
| November | 82°F (28°C) | 0.4 in | |
| December | 82°F (28°C) | 2.4 in |
Santo Amaro do Maranhão has a seasonal temperature swing of 3°F / from 80°F in January to 82°F in October. Total annual precipitation is 67.3 inches, with March being the wettest month (14.2") and October the driest (0.3").