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Weather & Climate in Thị Trấn Na Sầm, Vietnam
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Thị Trấn Na Sầm has a warm climate with an average annual temperature of 71°F (22°C). Winters average 57°F in January while summers reach 82°F in July. The area gets 253 sunny days per year, above the national average. Annual precipitation totals 45.7 inches. The city sits at an elevation of 587 feet.
Temperature
57°F Jan (14°C)
82°F Jul (28°C)
| Annual Average | 71.3°F |
| 32% above US avg | |
| January Average | 57°F (14°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 253 days/yr |
Geography
| Elevation | 587 ft (179 m) |
| Area | 64.9 sq mi (168.0 km²) |
| Population Density | 218/sq mi |
| Coordinates | 22.0564°N, 106.6151°W |
| Timezone | Asia/Ho_Chi_Minh |
Precipitation & Snow
Air Quality
Earthquake History
5 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 | 107 km | 33 km |
| Aug 15, 2017 | 60 km N of Cao B?ng, Vietnam | M4.5 | 134 km | 10 km |
| Jul 25, 1995 | 72 km NW of Cao B?ng, Vietnam | M4.2 | 149 km | 10 km |
| Oct 3, 2017 | 48 km N of Cao B?ng, Vietnam | M4.2 | 121 km | 12 km |
| Oct 11, 1991 | 11 km N of Tuyên Quang, Vietnam | M4.1 | 145 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
22 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Matmo | Category 1 | — | 195 km |
| 2024 | Yagi | Category 3 | 104 mph | 118 km |
| 2023 | Talim | Category 1 | — | 284 km |
| 2016 | Mirinae | Category 1 | 52 mph | 211 km |
| 2015 | Mujigae | Category 1 | 58 mph | 246 km |
| 2014 | Rammasun | Category 4 | 81 mph | 53 km |
| 2014 | Kalmaegi | Category 1 | 75 mph | 41 km |
| 2013 | Haiyan | Category 1 | 69 mph | 137 km |
| 2012 | Son-tinh | Category 2 | 69 mph | 119 km |
| 2008 | Hagupit | Category 1 | 69 mph | 216 km |
| 2003 | Krovanh | Category 2 | 75 mph | 69 km |
| 2001 | Durian | Category 1 | 52 mph | 229 km |
| 1997 | Zita | Category 1 | 58 mph | 96 km |
| 1996 | Sally | Category 2 | 69 mph | 93 km |
| 1996 | Frankie | Category 2 | 58 mph | 198 km |
| 1996 | Niki | Category 1 | 69 mph | 252 km |
| 1995 | Ted | Category 1 | 52 mph | 246 km |
| 1991 | Zeke | Category 1 | 69 mph | 286 km |
| 1986 | Wayne | Category 1 | 75 mph | 253 km |
| 1983 | Vera | Category 1 | 75 mph | 269 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 57°F (14°C) | 0.6 in | Coldest, Driest |
| February | 60°F (16°C) | 1.4 in | |
| March | 65°F (19°C) | 1.2 in | |
| April | 73°F (23°C) | 3.0 in | |
| May | 79°F (26°C) | 5.3 in | |
| June | 81°F (27°C) | 6.5 in | |
| July | 82°F (28°C) | 7.0 in | Warmest |
| August | 81°F (27°C) | 9.2 in | Wettest |
| September | 79°F (26°C) | 6.6 in | |
| October | 74°F (23°C) | 3.2 in | |
| November | 66°F (19°C) | 1.0 in | |
| December | 60°F (16°C) | 0.8 in |
Thị Trấn Na Sầm has a seasonal temperature swing of 25°F / from 57°F in January to 82°F in July. Total annual precipitation is 45.7 inches, with August being the wettest month (9.2") and January the driest (0.6").