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Weather & Climate in Sơn Thịnh, Vietnam
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sơn Thịnh enjoys a temperate climate with an average annual temperature of 69°F (21°C). Winters average 54°F in January while summers reach 78°F in July. The area gets 258 sunny days per year, above the national average. Annual precipitation totals 69.1 inches (wetter than the 38-inch national average). The city sits at an elevation of 1,037 feet.
Temperature
54°F Jan (12°C)
78°F Jul (25°C)
| Annual Average | 69.0°F |
| 28% above US avg | |
| January Average | 54°F (12°C) |
| July Average | 78°F (25°C) |
| Sunny Days | 258 days/yr |
Geography
| Elevation | 1,037 ft (316 m) |
| Area | 11.4 sq mi (29.6 km²) |
| Population Density | 0/sq mi |
| Coordinates | 21.5625°N, 104.5948°W |
| Timezone | Asia/Bangkok |
Precipitation & Snow
Air Quality
Earthquake History
10 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.9.
| Jul 27, 2020 | ~120km W of Hanoi, Vietnam | M4.9 | 78 km | 10 km |
| Jul 19, 2014 | 19 km NNE of S?n La, Vietnam | M4.6 | 65 km | 17 km |
| Feb 24, 2016 | 55 km WSW of Sa Pa, Vietnam | M4.5 | 149 km | 10 km |
| Oct 6, 1991 | 33 km E of S?n La, Vietnam | M4.5 | 43 km | 10 km |
| Jan 7, 2018 | 36 km E of Dien Bien Phu, Vietnam | M4.3 | 128 km | 10 km |
| Jan 8, 2018 | 36 km E of Dien Bien Phu, Vietnam | M4.3 | 128 km | 10 km |
| Mar 25, 2024 | 27 km S of Xuân Mai, Vietnam | M4.2 | 142 km | 10 km |
| May 7, 2011 | 46 km SSW of S?n La, Vietnam | M4.1 | 115 km | 10 km |
| Oct 23, 1993 | 20 km SSW of Yên Bái, Vietnam | M4.1 | 29 km | 33 km |
| Oct 11, 1991 | 11 km N of Tuyên Quang, Vietnam | M4.1 | 76 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
12 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Yagi | Category 3 | 104 mph | 131 km |
| 2016 | Mirinae | Category 1 | 52 mph | 225 km |
| 2014 | Rammasun | Category 1 | 46 mph | 250 km |
| 2014 | Kalmaegi | Category 1 | 63 mph | 198 km |
| 2013 | Haiyan | Category 1 | 69 mph | 287 km |
| 2012 | Son-tinh | Category 2 | 81 mph | 229 km |
| 2003 | Krovanh | Category 1 | 58 mph | 239 km |
| 1997 | Zita | Category 1 | 46 mph | 161 km |
| 1996 | Frankie | Category 2 | 58 mph | 195 km |
| 1996 | Niki | Category 1 | 69 mph | 203 km |
| 1995 | Lois | Category 1 | 58 mph | 279 km |
| 1980 | Ruth | Category 1 | 63 mph | 287 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 54°F (12°C) | 0.5 in | Coldest, Driest |
| February | 59°F (15°C) | 1.4 in | |
| March | 64°F (18°C) | 1.4 in | |
| April | 70°F (21°C) | 3.9 in | |
| May | 76°F (24°C) | 7.3 in | |
| June | 78°F (25°C) | 8.9 in | Warmest |
| July | 78°F (25°C) | 12.7 in | |
| August | 77°F (25°C) | 13.2 in | Wettest |
| September | 75°F (24°C) | 10.2 in | |
| October | 71°F (22°C) | 4.0 in | |
| November | 65°F (18°C) | 1.1 in | |
| December | 59°F (15°C) | 0.5 in |
Sơn Thịnh has a seasonal temperature swing of 23°F / from 54°F in January to 78°F in June. Total annual precipitation is 65.1 inches, with August being the wettest month (13.2") and January the driest (0.5").