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Weather & Climate in Viana, Brazil

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Viana has a warm climate with an average annual temperature of 81°F (27°C). Winters average 79°F in January while summers reach 81°F in July / relatively mild seasonal variation. The area gets 333 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 79.4 inches (wetter than the 38-inch national average). The city sits at an elevation of 43 feet.

Temperature

79°F Jan (26°C) 81°F Jul (27°C)
Annual Average80.7°F
49% above US avg
January Average79°F (26°C)
July Average81°F (27°C)
Sunny Days333 days/yr

Geography

Elevation43 ft (13 m)
Area841.7 sq mi (2,180.0 km²)
Population Density61/sq mi
Coordinates-3.2203°N, 45.0036°W
TimezoneAmerica/Fortaleza

Precipitation & Snow

Annual Rainfall 79.4"
109% above US avg
Snowfall 0.0"
Wettest Month (Mar) 14.17"
Driest Month (Oct) 1.22"

Air Quality

Earthquake History

1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.5.

Jan 3, 2017 Maranhao, Brazil M4.5 116 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) 8.9 in Coldest
February 80°F (26°C) 10.6 in
March 80°F (26°C) 14.2 in Wettest
April 80°F (27°C) 12.8 in
May 80°F (27°C) 9.6 in
June 80°F (27°C) 4.3 in
July 81°F (27°C) 2.6 in
August 80°F (27°C) 1.5 in
September 81°F (27°C) 1.3 in
October 82°F (28°C) 1.2 in Warmest, Driest
November 82°F (28°C) 1.9 in
December 82°F (28°C) 4.0 in

Viana has a seasonal temperature swing of 3°F / from 79°F in January to 82°F in October. Total annual precipitation is 72.6 inches, with March being the wettest month (14.2") and October the driest (1.2").

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