All Countries
Weather & Climate in Monte Negro, Brazil
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Monte Negro has a warm climate with an average annual temperature of 78°F (25°C). Winters average 78°F in January while summers reach 76°F in July / relatively mild seasonal variation. The area gets 192 sunny days per year. Annual precipitation totals 79.8 inches (wetter than the 38-inch national average). The city sits at an elevation of 472 feet.
Temperature
78°F Jan (25°C)
76°F Jul (24°C)
| Annual Average | 77.5°F |
| 44% above US avg | |
| January Average | 78°F (25°C) |
| July Average | 76°F (24°C) |
| Sunny Days | 192 days/yr |
Geography
| Elevation | 472 ft (144 m) |
| Area | 728.4 sq mi (1,886.5 km²) |
| Population Density | 16/sq mi |
| Coordinates | -10.2944°N, 63.3253°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 | 104 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 78°F (25°C) | 13.2 in | Wettest |
| February | 78°F (25°C) | 11.5 in | |
| March | 78°F (26°C) | 10.9 in | |
| April | 78°F (25°C) | 7.4 in | |
| May | 77°F (25°C) | 4.0 in | |
| June | 76°F (24°C) | 0.7 in | Coldest |
| July | 76°F (24°C) | 0.4 in | Driest |
| August | 78°F (26°C) | 1.1 in | |
| September | 78°F (26°C) | 4.1 in | |
| October | 79°F (26°C) | 6.7 in | Warmest |
| November | 78°F (26°C) | 9.0 in | |
| December | 78°F (25°C) | 10.8 in |
Monte Negro has a seasonal temperature swing of 3°F / from 76°F in June to 79°F in October. Total annual precipitation is 79.8 inches, with January being the wettest month (13.2") and July the driest (0.4").