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Cát Bà, Vietnam

Full City Profile

30,000 Population 102/sq mi density
79 ft Elevation 24 meters
74°F Avg Temperature 23°C
Cát Bà has a warm climate with an average annual temperature of 74°F (23°C). Winters average 61°F in January while summers reach 83°F in July. The area gets 221 sunny days per year. Annual precipitation totals 72.4 inches. The area receives 0.0 inches of snow annually.

Temperature

61°F Jan (16°C) 83°F Jul (28°C)
Annual Average73.5°F
36% above US avg
January Average61°F (16°C)
July Average83°F (28°C)
Sunny Days221 days/yr

Geography

Elevation79 ft (24 m)
Area293.6 sq mi (760.3 km²)
Population Density102/sq mi
Coordinates20.7278°N, 107.0482°W
TimezoneAsia/Ho_Chi_Minh

Precipitation & Snow

Annual Rainfall 72.4"
91% above US avg
Snowfall 0.0"
Wettest Month (Jul) 16.50"
Driest Month (Jan) 0.51"

Air Quality

Earthquake History

2 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.6. Most recent: M4.0 on Apr 3, 2006.

Sep 23, 1994 49 km W of Móng Cái, Vietnam M4.6 101 km
Apr 3, 2006 111 km SSE of Cát Bà, Vietnam M4.0 112 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 Kajiki Category 2 263 km
2025 Matmo Category 1 199 km
2025 Bualoi Category 1 295 km
2025 Wutip Category 1 219 km
2024 Yagi Category 3 20 km
2023 Talim Category 1 249 km
2016 Mirinae Category 1 106 km
2015 Mujigae Category 1 276 km
2014 Rammasun Category 4 157 km
2014 Kalmaegi Category 1 83 km
2013 Haiyan Category 1 40 km
2012 Son-tinh Category 3 40 km
2012 Kai-tak Category 1 299 km
2010 Mindulle Category 1 293 km
2008 Hagupit Category 1 215 km
2005 Damrey Category 1 296 km
2003 Krovanh Category 2 83 km
2003 Nepartak Category 1 272 km
2001 Durian Category 1 211 km
2000 Wukong Category 1 271 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 61°F (16°C) 0.5 in Coldest, Driest
February 63°F (17°C) 1.3 in
March 67°F (19°C) 1.3 in
April 73°F (23°C) 2.9 in
May 79°F (26°C) 6.3 in
June 83°F (28°C) 8.0 in
July 83°F (28°C) 16.5 in Warmest, Wettest
August 82°F (28°C) 16.2 in
September 81°F (27°C) 14.2 in
October 77°F (25°C) 3.2 in
November 70°F (21°C) 1.3 in
December 64°F (18°C) 0.7 in

Cát Bà has a seasonal temperature swing of 22°F / from 61°F in January to 83°F in July. Total annual precipitation is 72.4 inches, with July being the wettest month (16.5") and January the driest (0.5").

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