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Weather & Climate in Diêm Điền, Vietnam
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Diêm Điền 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, above the national average. Annual precipitation totals 66.4 inches (wetter than the 38-inch national average). The city sits at an elevation of 20 feet.
Temperature
62°F Jan (17°C)
85°F Jul (29°C)
| Annual Average | 74.8°F |
| 39% above US avg | |
| January Average | 62°F (17°C) |
| July Average | 85°F (29°C) |
| Sunny Days | 252 days/yr |
Geography
| Elevation | 20 ft (6 m) |
| Area | 26.1 sq mi (67.7 km²) |
| Population Density | 0/sq mi |
| Coordinates | 20.5583°N, 106.5688°W |
| Timezone | Asia/Bangkok |
Precipitation & Snow
Air Quality
Earthquake History
3 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.6.
| Sep 23, 1994 | 49 km W of Móng Cái, Vietnam | M4.6 | 145 km | 33 km |
| Mar 25, 2024 | 27 km S of Xuân Mai, Vietnam | M4.2 | 106 km | 10 km |
| Apr 3, 2006 | 111 km SSE of Cát Bà, Vietnam | M4.0 | 130 km | 25 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
37 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Kajiki | Category 2 | — | 229 km |
| 2025 | Matmo | Category 1 | — | 250 km |
| 2025 | Bualoi | Category 1 | — | 265 km |
| 2025 | Wutip | Category 1 | — | 265 km |
| 2024 | Yagi | Category 3 | 104 mph | 50 km |
| 2016 | Mirinae | Category 1 | 52 mph | 55 km |
| 2014 | Rammasun | Category 4 | 81 mph | 194 km |
| 2014 | Kalmaegi | Category 1 | 75 mph | 127 km |
| 2013 | Haiyan | Category 1 | 81 mph | 88 km |
| 2012 | Son-tinh | Category 3 | 92 mph | 16 km |
| 2010 | Mindulle | Category 1 | 52 mph | 284 km |
| 2008 | Hagupit | Category 1 | 69 mph | 267 km |
| 2007 | Lekima | Category 1 | 63 mph | 296 km |
| 2003 | Krovanh | Category 2 | 75 mph | 110 km |
| 2003 | Nepartak | Category 1 | 63 mph | 289 km |
| 2001 | Durian | Category 1 | 52 mph | 264 km |
| 2000 | Wukong | Category 1 | 63 mph | 280 km |
| 1997 | Zita | Category 1 | 58 mph | 73 km |
| 1996 | Frankie | Category 2 | 58 mph | 40 km |
| 1996 | Niki | Category 2 | 75 mph | 89 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 62°F (17°C) | 1.0 in | Coldest |
| February | 64°F (18°C) | 1.6 in | |
| March | 68°F (20°C) | 1.7 in | |
| April | 75°F (24°C) | 2.7 in | |
| May | 81°F (27°C) | 6.9 in | |
| June | 84°F (29°C) | 8.4 in | |
| July | 85°F (29°C) | 10.8 in | Warmest |
| August | 83°F (29°C) | 13.0 in | |
| September | 81°F (27°C) | 13.4 in | Wettest |
| October | 77°F (25°C) | 5.0 in | |
| November | 71°F (22°C) | 2.0 in | |
| December | 65°F (19°C) | 0.9 in | Driest |
Diêm Điền has a seasonal temperature swing of 23°F / from 62°F in January to 85°F in July. Total annual precipitation is 67.4 inches, with September being the wettest month (13.4") and December the driest (0.9").