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Weather & Climate in Portão, Brazil
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Portão enjoys a temperate climate with an average annual temperature of 64°F (18°C). Winters average 72°F in January while summers reach 56°F in July / relatively mild seasonal variation. The area gets 282 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 113.2 inches (wetter than the 38-inch national average). The city sits at an elevation of 161 feet.
Temperature
72°F Jan (22°C)
56°F Jul (13°C)
| Annual Average | 64.0°F |
| 19% above US avg | |
| January Average | 72°F (22°C) |
| July Average | 56°F (13°C) |
| Sunny Days | 282 days/yr |
Geography
| Elevation | 161 ft (49 m) |
| Area | 72.9 sq mi (188.7 km²) |
| Population Density | 468/sq mi |
| Coordinates | -29.7017°N, 51.2419°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 | 177 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 72°F (22°C) | 5.8 in | Wettest |
| February | 76°F (24°C) | 5.2 in | Warmest |
| March | 74°F (23°C) | 5.3 in | |
| April | 69°F (20°C) | 4.5 in | |
| May | 63°F (17°C) | 4.3 in | |
| June | 60°F (15°C) | 4.8 in | |
| July | 56°F (13°C) | 4.6 in | Coldest |
| August | 60°F (16°C) | 4.6 in | |
| September | 63°F (17°C) | 5.3 in | |
| October | 67°F (19°C) | 5.1 in | |
| November | 71°F (21°C) | 4.0 in | Driest |
| December | 74°F (23°C) | 4.9 in |
Portão has a seasonal temperature swing of 20°F / from 56°F in July to 76°F in February. Total annual precipitation is 58.5 inches, with January being the wettest month (5.8") and November the driest (4.0").