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Weather & Climate in Lý Sơn, Vietnam
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Lý Sơn has a warm climate with an average annual temperature of 79°F (26°C). Winters average 72°F in January while summers reach 85°F in July / relatively mild seasonal variation. The area gets 220 sunny days per year. Annual precipitation totals 75.4 inches (wetter than the 38-inch national average). The city sits at an elevation of 72 feet.
Temperature
72°F Jan (22°C)
85°F Jul (29°C)
| Annual Average | 79.1°F |
| 46% above US avg | |
| January Average | 72°F (22°C) |
| July Average | 85°F (29°C) |
| Sunny Days | 220 days/yr |
Geography
| Elevation | 72 ft (22 m) |
| Area | 13.6 sq mi (35.1 km²) |
| Population Density | 1,634/sq mi |
| Coordinates | 15.3720°N, 109.1189°W |
| Timezone | Asia/Ho_Chi_Minh |
Precipitation & Snow
Air Quality
Earthquake History
33 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.1.
| Jul 28, 2024 | 53 km NNE of Kon Tum, Vietnam | M5.1 | 116 km | 8 km |
| Apr 18, 2022 | 46 km NNE of Kon Tum, Vietnam | M4.8 | 126 km | 10 km |
| Aug 23, 2022 | 43 km NNE of Kon Tum, Vietnam | M4.8 | 128 km | 10 km |
| Feb 7, 2024 | 57 km S of Trà My, Vietnam | M4.6 | 109 km | 10 km |
| Sep 22, 2023 | 48 km S of Trà My, Vietnam | M4.6 | 111 km | 10 km |
| Sep 1, 2022 | 63 km WSW of Qu?ng Ngãi, Vietnam | M4.5 | 107 km | 11 km |
| Sep 1, 2022 | Vietnam | M4.5 | 105 km | 9 km |
| Mar 5, 2024 | 48 km NNE of Kon Tum, Vietnam | M4.5 | 119 km | 10 km |
| Apr 4, 2021 | 38 km NE of Kon Tum, Vietnam | M4.4 | 126 km | 13 km |
| Oct 12, 2024 | 55 km SSE of Trà My, Vietnam | M4.4 | 103 km | 11 km |
| Apr 14, 2022 | 63 km WSW of Qu?ng Ngãi, Vietnam | M4.4 | 107 km | 10 km |
| Sep 15, 2022 | 51 km NNE of Kon Tum, Vietnam | M4.4 | 116 km | 10 km |
| Feb 7, 2024 | 56 km NNE of Kon Tum, Vietnam | M4.4 | 114 km | 10 km |
| Apr 30, 2024 | 58 km NE of Kon Tum, Vietnam | M4.4 | 108 km | 10 km |
| Apr 15, 2022 | 67 km SSW of Tam K?, Vietnam | M4.4 | 109 km | 16 km |
| Jun 4, 2022 | 58 km NE of Kon Tum, Vietnam | M4.4 | 107 km | 10 km |
| Jul 7, 2023 | 54 km S of Trà My, Vietnam | M4.3 | 119 km | 10 km |
| Apr 18, 2022 | 68 km N of Kon Tum, Vietnam | M4.3 | 124 km | 10 km |
| Apr 14, 2022 | 65 km WSW of Qu?ng Ngãi, Vietnam | M4.2 | 109 km | 14 km |
| Apr 27, 2022 | 55 km NNE of Kon Tum, Vietnam | M4.2 | 114 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
41 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Kalmaegi | Category 3 | — | 197 km |
| 2025 | Kajiki | Category 2 | — | 258 km |
| 2025 | Bualoi | Category 1 | — | 118 km |
| 2022 | Noru | Category 4 | 98 mph | 56 km |
| 2021 | Rai | Category 4 | 121 mph | 159 km |
| 2020 | Vamco | Category 3 | 98 mph | 108 km |
| 2020 | Molave | Category 3 | 98 mph | 53 km |
| 2017 | Doksuri | Category 2 | 92 mph | 199 km |
| 2013 | Wutip | Category 3 | 75 mph | 182 km |
| 2013 | Haiyan | Category 2 | 92 mph | 171 km |
| 2013 | Nari | Category 1 | 86 mph | 81 km |
| 2012 | Son-tinh | Category 3 | 98 mph | 191 km |
| 2010 | Conson | Category 1 | 81 mph | 266 km |
| 2009 | Ketsana | Category 2 | 81 mph | 20 km |
| 2009 | Mirinae | Category 1 | 52 mph | 282 km |
| 2007 | Lekima | Category 1 | 69 mph | 270 km |
| 2006 | Xangsane | Category 4 | 92 mph | 81 km |
| 2005 | Kai-tak | Category 2 | 92 mph | 84 km |
| 2004 | Chanthu | Category 1 | 69 mph | 166 km |
| 2003 | Nepartak | Category 1 | 75 mph | 126 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 8.5 m (28 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2017 | QUANG NAM | Meteorological | 8.5 m | 1 | 94 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: Ly Son Group (1 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Ly Son Group | Volcanic field | 157 m (515 ft) | Unknown | 1 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 72°F (22°C) | 4.0 in | Coldest |
| February | 73°F (23°C) | 1.9 in | |
| March | 76°F (24°C) | 1.3 in | |
| April | 80°F (27°C) | 1.2 in | Driest |
| May | 84°F (29°C) | 1.8 in | |
| June | 85°F (30°C) | 2.7 in | Warmest |
| July | 85°F (29°C) | 2.1 in | |
| August | 84°F (29°C) | 4.3 in | |
| September | 82°F (28°C) | 11.3 in | |
| October | 80°F (26°C) | 19.7 in | Wettest |
| November | 76°F (25°C) | 17.1 in | |
| December | 73°F (23°C) | 8.2 in |
Lý Sơn has a seasonal temperature swing of 14°F / from 72°F in January to 85°F in June. Total annual precipitation is 75.4 inches, with October being the wettest month (19.7") and April the driest (1.2").