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Weather & Climate in Ermo, Brazil
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ermo enjoys a temperate climate with an average annual temperature of 68°F (20°C). Winters average 75°F in January while summers reach 60°F in July / relatively mild seasonal variation. The area gets 285 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 80.8 inches (wetter than the 38-inch national average). The city sits at an elevation of 39 feet.
Temperature
75°F Jan (24°C)
60°F Jul (16°C)
| Annual Average | 68.1°F |
| 26% above US avg | |
| January Average | 75°F (24°C) |
| July Average | 60°F (16°C) |
| Sunny Days | 285 days/yr |
Geography
| Elevation | 39 ft (12 m) |
| Area | 163.4 sq mi (423.1 km²) |
| Population Density | 14/sq mi |
| Coordinates | -28.9825°N, 49.6436°W |
| Timezone | America/Sao_Paulo |
Precipitation & Snow
Air Quality
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 | 5 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 75°F (24°C) | 5.9 in | Warmest, Wettest |
| February | 75°F (24°C) | 5.5 in | |
| March | 73°F (23°C) | 4.8 in | |
| April | 68°F (20°C) | 4.3 in | |
| May | 63°F (17°C) | 3.2 in | Driest |
| June | 60°F (15°C) | 3.8 in | Coldest |
| July | 60°F (16°C) | 3.3 in | |
| August | 60°F (15°C) | 4.0 in | |
| September | 62°F (17°C) | 5.2 in | |
| October | 66°F (19°C) | 4.5 in | |
| November | 69°F (21°C) | 3.6 in | |
| December | 72°F (22°C) | 3.5 in |
Ermo has a seasonal temperature swing of 15°F / from 60°F in June to 75°F in January. Total annual precipitation is 51.5 inches, with January being the wettest month (5.9") and May the driest (3.2").