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Weather & Climate in Porto Velho, Brazil
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Porto Velho has a warm climate with an average annual temperature of 79°F (26°C). Winters average 79°F in January while summers reach 77°F in July / relatively mild seasonal variation. The area gets 178 sunny days per year. Annual precipitation totals 88.1 inches (wetter than the 38-inch national average). The city sits at an elevation of 295 feet.
Temperature
79°F Jan (26°C)
77°F Jul (25°C)
| Annual Average | 78.7°F |
| 46% above US avg | |
| January Average | 79°F (26°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 178 days/yr |
Geography
| Elevation | 295 ft (90 m) |
| Area | 3,085.1 sq mi (7,990.5 km²) |
| Population Density | 178/sq mi |
| Coordinates | -8.7619°N, 63.9039°W |
| Timezone | America/Porto_Velho |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.6.
| Nov 25, 2012 | 58 km N of Ariquemes, Brazil | M4.6 | 112 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) | 13.5 in | Wettest |
| February | 79°F (26°C) | 12.2 in | |
| March | 79°F (26°C) | 11.8 in | |
| April | 79°F (26°C) | 9.2 in | |
| May | 78°F (26°C) | 4.7 in | |
| June | 77°F (25°C) | 1.7 in | |
| July | 77°F (25°C) | 1.1 in | Coldest, Driest |
| August | 79°F (26°C) | 2.0 in | |
| September | 80°F (26°C) | 4.2 in | |
| October | 80°F (27°C) | 6.9 in | Warmest |
| November | 79°F (26°C) | 9.0 in | |
| December | 79°F (26°C) | 11.9 in |
Porto Velho has a seasonal temperature swing of 3°F / from 77°F in July to 80°F in October. Total annual precipitation is 88.1 inches, with January being the wettest month (13.5") and July the driest (1.1").