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Cô Tô, Vietnam

Full City Profile

6,778 Population 11/sq mi density
30 ft Elevation 9 meters
73°F Avg Temperature 23°C
Cô Tô has a warm climate with an average annual temperature of 73°F (23°C). Winters average 61°F in January while summers reach 83°F in July. The area gets 217 sunny days per year. Annual precipitation totals 68.6 inches. The area receives 0.0 inches of snow annually.

Temperature

61°F Jan (16°C) 83°F Jul (28°C)
Annual Average73.3°F
36% above US avg
January Average61°F (16°C)
July Average83°F (28°C)
Sunny Days217 days/yr

Geography

Elevation30 ft (9 m)
Area590.0 sq mi (1,528.0 km²)
Population Density11/sq mi
Coordinates20.9727°N, 107.7658°W
TimezoneAsia/Bangkok

Precipitation & Snow

Annual Rainfall 68.6"
81% above US avg
Snowfall 0.0"
Wettest Month (Aug) 15.59"
Driest Month (Dec) 0.75"

Air Quality

Earthquake History

3 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.6. Most recent: M4.6 on Jun 23, 2023.

Sep 23, 1994 49 km W of Móng Cái, Vietnam M4.6 69 km
Jun 23, 2023 southeastern China M4.6 125 km
Apr 3, 2006 111 km SSE of Cát Bà, Vietnam M4.0 128 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

42 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 4.

Year Name Category Closest
2025 Matmo Category 2 128 km
2025 Wutip Category 1 158 km
2024 Yagi Category 3 35 km
2023 Talim Category 1 170 km
2016 Mirinae Category 1 184 km
2015 Mujigae Category 3 202 km
2014 Rammasun Category 4 107 km
2014 Kalmaegi Category 1 47 km
2013 Haiyan Category 1 49 km
2012 Son-tinh Category 3 100 km
2012 Kai-tak Category 1 222 km
2010 Chanthu Category 1 287 km
2008 Hagupit Category 2 141 km
2005 Damrey Category 1 274 km
2003 Krovanh Category 2 44 km
2003 Nepartak Category 1 264 km
2003 Imbudo Category 1 247 km
2001 Durian Category 1 134 km
2000 Wukong Category 2 277 km
1997 Zita Category 1 26 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 61°F (16°C) 1.0 in Coldest
February 63°F (17°C) 1.2 in
March 66°F (19°C) 1.8 in
April 72°F (22°C) 2.9 in
May 79°F (26°C) 6.2 in
June 82°F (28°C) 9.3 in
July 83°F (28°C) 12.6 in Warmest
August 82°F (28°C) 15.6 in Wettest
September 81°F (27°C) 10.7 in
October 77°F (25°C) 4.5 in
November 70°F (21°C) 2.1 in
December 63°F (17°C) 0.8 in Driest

Cô Tô has a seasonal temperature swing of 22°F / from 61°F in January to 83°F in July. Total annual precipitation is 68.6 inches, with August being the wettest month (15.6") and December the driest (0.8").

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