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Weather & Climate in Yến Lạc, Vietnam
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Yến Lạc enjoys a temperate climate with an average annual temperature of 70°F (21°C). Winters average 56°F in January while summers reach 80°F in July. The area gets 240 sunny days per year, above the national average. Annual precipitation totals 74.3 inches (wetter than the 38-inch national average). The city sits at an elevation of 827 feet.
Temperature
56°F Jan (13°C)
80°F Jul (27°C)
| Annual Average | 70.0°F |
| 30% above US avg | |
| January Average | 56°F (13°C) |
| July Average | 80°F (27°C) |
| Sunny Days | 240 days/yr |
Geography
| Elevation | 827 ft (252 m) |
| Area | 85.7 sq mi (221.9 km²) |
| Population Density | 0/sq mi |
| Coordinates | 22.2369°N, 106.1815°W |
| Timezone | Asia/Bangkok |
Precipitation & Snow
Air Quality
Earthquake History
5 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.5.
| Aug 15, 2017 | 60 km N of Cao B?ng, Vietnam | M4.5 | 108 km | 10 km |
| Aug 4, 2021 | 58 km SSE of Baise City, China | M4.5 | 144 km | 14 km |
| Jul 25, 1995 | 72 km NW of Cao B?ng, Vietnam | M4.2 | 112 km | 10 km |
| Oct 3, 2017 | 48 km N of Cao B?ng, Vietnam | M4.2 | 96 km | 12 km |
| Oct 11, 1991 | 11 km N of Tuyên Quang, Vietnam | M4.1 | 106 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
18 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Matmo | Category 1 | — | 242 km |
| 2024 | Yagi | Category 3 | 104 mph | 139 km |
| 2016 | Mirinae | Category 1 | 52 mph | 227 km |
| 2015 | Mujigae | Category 1 | 58 mph | 284 km |
| 2014 | Rammasun | Category 3 | 58 mph | 70 km |
| 2014 | Kalmaegi | Category 1 | 75 mph | 68 km |
| 2013 | Haiyan | Category 1 | 69 mph | 180 km |
| 2012 | Son-tinh | Category 2 | 69 mph | 152 km |
| 2008 | Hagupit | Category 1 | — | 262 km |
| 2003 | Krovanh | Category 2 | 75 mph | 111 km |
| 2001 | Durian | Category 1 | 52 mph | 277 km |
| 1997 | Zita | Category 1 | 58 mph | 116 km |
| 1996 | Sally | Category 2 | 63 mph | 141 km |
| 1996 | Frankie | Category 2 | 58 mph | 216 km |
| 1996 | Niki | Category 1 | 63 mph | 256 km |
| 1995 | Ted | Category 1 | 52 mph | 294 km |
| 1980 | Joe | Category 1 | 81 mph | 286 km |
| 1980 | Ruth | Category 1 | 63 mph | 265 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 56°F (13°C) | 0.6 in | Coldest, Driest |
| February | 59°F (15°C) | 1.7 in | |
| March | 65°F (18°C) | 1.4 in | |
| April | 72°F (22°C) | 3.2 in | |
| May | 77°F (25°C) | 8.0 in | |
| June | 80°F (26°C) | 11.1 in | |
| July | 80°F (27°C) | 12.2 in | Warmest |
| August | 79°F (26°C) | 12.7 in | Wettest |
| September | 77°F (25°C) | 7.0 in | |
| October | 72°F (22°C) | 3.3 in | |
| November | 65°F (18°C) | 1.3 in | |
| December | 59°F (15°C) | 0.9 in |
Yến Lạc has a seasonal temperature swing of 24°F / from 56°F in January to 80°F in July. Total annual precipitation is 63.4 inches, with August being the wettest month (12.7") and January the driest (0.6").