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Weather & Climate in Sông Thao, Vietnam
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sông Thao has a warm climate with an average annual temperature of 74°F (23°C). Winters average 60°F in January while summers reach 83°F in July. The area gets 230 sunny days per year, above the national average. Annual precipitation totals 77.6 inches (wetter than the 38-inch national average). The city sits at an elevation of 144 feet.
Temperature
60°F Jan (16°C)
83°F Jul (28°C)
| Annual Average | 73.6°F |
| 36% above US avg | |
| January Average | 60°F (16°C) |
| July Average | 83°F (28°C) |
| Sunny Days | 230 days/yr |
Geography
| Elevation | 144 ft (44 m) |
| Area | 7.8 sq mi (20.1 km²) |
| Population Density | 0/sq mi |
| Coordinates | 21.4213°N, 105.1337°W |
| Timezone | Asia/Bangkok |
Precipitation & Snow
Air Quality
Earthquake History
7 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.9.
| Jul 27, 2020 | ~120km W of Hanoi, Vietnam | M4.9 | 82 km | 10 km |
| Jul 19, 2014 | 19 km NNE of S?n La, Vietnam | M4.6 | 120 km | 17 km |
| Oct 6, 1991 | 33 km E of S?n La, Vietnam | M4.5 | 94 km | 10 km |
| Mar 25, 2024 | 27 km S of Xuân Mai, Vietnam | M4.2 | 96 km | 10 km |
| Oct 23, 1993 | 20 km SSW of Yên Bái, Vietnam | M4.1 | 30 km | 33 km |
| Oct 11, 1991 | 11 km N of Tuyên Quang, Vietnam | M4.1 | 57 km | 10 km |
| Sep 19, 2010 | 71 km SSW of Hòa Bình, Vietnam | M4.0 | 133 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
14 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 | 75 km |
| 2016 | Mirinae | Category 1 | 52 mph | 175 km |
| 2014 | Rammasun | Category 2 | 46 mph | 210 km |
| 2014 | Kalmaegi | Category 1 | 63 mph | 145 km |
| 2013 | Haiyan | Category 1 | 75 mph | 229 km |
| 2012 | Son-tinh | Category 3 | 81 mph | 172 km |
| 2003 | Krovanh | Category 2 | 63 mph | 183 km |
| 1997 | Zita | Category 1 | 52 mph | 103 km |
| 1996 | Frankie | Category 2 | 58 mph | 148 km |
| 1996 | Niki | Category 1 | 69 mph | 165 km |
| 1996 | Sally | Category 1 | 63 mph | 250 km |
| 1995 | Lois | Category 1 | 58 mph | 250 km |
| 1982 | Nancy | Category 1 | 81 mph | 274 km |
| 1980 | Ruth | Category 1 | 63 mph | 235 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 60°F (16°C) | 0.8 in | Coldest, Driest |
| February | 63°F (17°C) | 1.5 in | |
| March | 67°F (19°C) | 1.8 in | |
| April | 74°F (23°C) | 3.5 in | |
| May | 81°F (27°C) | 7.8 in | |
| June | 83°F (28°C) | 9.2 in | Warmest |
| July | 83°F (28°C) | 12.1 in | |
| August | 83°F (28°C) | 12.8 in | Wettest |
| September | 81°F (27°C) | 10.9 in | |
| October | 76°F (24°C) | 5.0 in | |
| November | 70°F (21°C) | 1.7 in | |
| December | 64°F (18°C) | 1.0 in |
Sông Thao has a seasonal temperature swing of 23°F / from 60°F in January to 83°F in June. Total annual precipitation is 68.1 inches, with August being the wettest month (12.8") and January the driest (0.8").