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Phát Diệm, Vietnam

Full City Profile

16 ft Elevation 5 meters
75°F Avg Temperature 24°C
Phát Diệm has a warm climate with an average annual temperature of 75°F (24°C). Winters average 62°F in January while summers reach 85°F in July. The area gets 252 sunny days per year. Annual precipitation totals 55.9 inches. The area receives 0.0 inches of snow annually.

Temperature

62°F Jan (17°C) 85°F Jul (29°C)
Annual Average74.9°F
39% above US avg
January Average62°F (17°C)
July Average85°F (29°C)
Sunny Days252 days/yr

Geography

Elevation16 ft (5 m)
Area18.7 sq mi (48.4 km²)
Population Density0/sq mi
Coordinates20.0905°N, 106.0832°W
TimezoneAsia/Bangkok

Precipitation & Snow

Annual Rainfall 55.9"
47% above US avg
Snowfall 0.0"
Wettest Month (Sep) 15.00"
Driest Month (Jan) 0.90"

Air Quality

Earthquake History

2 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.2. Most recent: M4.2 on Mar 25, 2024.

Mar 25, 2024 27 km S of Xuân Mai, Vietnam M4.2 83 km
Sep 19, 2010 71 km SSW of Hòa Bình, Vietnam M4.0 110 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

37 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 3.

Year Name Category Closest
2025 Kajiki Category 2 167 km
2025 Bualoi Category 1 211 km
2024 Yagi Category 3 102 km
2017 Doksuri Category 2 255 km
2016 Mirinae Category 1 17 km
2014 Rammasun Category 3 262 km
2014 Kalmaegi Category 1 184 km
2013 Wutip Category 2 256 km
2013 Haiyan Category 1 142 km
2012 Son-tinh Category 3 59 km
2010 Mindulle Category 1 256 km
2007 Lekima Category 1 248 km
2003 Krovanh Category 2 178 km
2003 Nepartak Category 1 297 km
2000 Wukong Category 1 276 km
1997 Zita Category 1 123 km
1996 Niki Category 2 40 km
1996 Sally Category 2 249 km
1996 Frankie Category 2 30 km
1996 Willie Category 1 155 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

1 tsunami recorded within 500 km. Highest wave on record: 3.0 m (10 ft).

Year Location Cause Max Wave Deaths Distance
1899 NORTH CENTRAL VIETNAM Unknown 3.0 m 122 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 62°F (17°C) 0.9 in Coldest, Driest
February 64°F (18°C) 1.5 in
March 68°F (20°C) 1.6 in
April 75°F (24°C) 2.6 in
May 81°F (27°C) 6.9 in
June 85°F (29°C) 7.8 in
July 85°F (29°C) 9.8 in Warmest
August 83°F (29°C) 12.7 in
September 81°F (27°C) 15.0 in Wettest
October 77°F (25°C) 5.7 in
November 71°F (22°C) 2.2 in
December 65°F (19°C) 1.0 in

Phát Diệm has a seasonal temperature swing of 23°F / from 62°F in January to 85°F in July. Total annual precipitation is 67.7 inches, with September being the wettest month (15.0") and January the driest (0.9").

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