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Weather & Climate in Sanxia, Taiwan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sanxia enjoys a temperate climate with an average annual temperature of 69°F (20°C). Winters average 56°F in January while summers reach 80°F in July. The area gets 145 sunny days per year, below the national average of 205. Annual precipitation totals 107.4 inches (wetter than the 38-inch national average). The city sits at an elevation of 128 feet.
Temperature
56°F Jan (14°C)
80°F Jul (26°C)
| Annual Average | 68.5°F |
| 27% above US avg | |
| January Average | 56°F (14°C) |
| July Average | 80°F (26°C) |
| Sunny Days | 145 days/yr |
Geography
| Elevation | 128 ft (39 m) |
| Area | 73.8 sq mi (191.0 km²) |
| Population Density | 1,562/sq mi |
| Coordinates | 24.9345°N, 121.3714°W |
| Timezone | Asia/Taipei |
Precipitation & Snow
Air Quality
Earthquake History
2,307 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.7.
| Sep 20, 1999 | 21 km S of Puli, Taiwan | M7.7 | 135 km | 33 km |
| Apr 2, 2024 | 15 km S of Hualien City, Taiwan | M7.4 | 124 km | 40 km |
| Mar 31, 2002 | 67 km ENE of Hualien City, Taiwan | M7.1 | 109 km | 33 km |
| Dec 13, 1990 | 28 km S of Hualien City, Taiwan | M6.7 | 137 km | 10 km |
| Sep 25, 1999 | 31 km SE of Puli, Taiwan | M6.5 | 135 km | 17 km |
| Jun 10, 2000 | 29 km ESE of Puli, Taiwan | M6.4 | 122 km | 33 km |
| Dec 19, 2009 | 20 km S of Hualien City, Taiwan | M6.4 | 129 km | 43 km |
| Sep 22, 1999 | 33 km SE of Puli, Taiwan | M6.4 | 136 km | 26 km |
| Jun 5, 1994 | 31 km SSE of Yilan, Taiwan | M6.4 | 72 km | 11 km |
| Feb 6, 2018 | 18 km NNE of Hualien City, Taiwan | M6.4 | 94 km | 17 km |
| May 31, 2016 | Taiwan region | M6.4 | 137 km | 246 km |
| Apr 3, 2024 | 15 km NNE of Hualien City, Taiwan | M6.4 | 98 km | 14 km |
| Apr 20, 2015 | 75 km WSW of Yonakuni, Japan | M6.4 | 126 km | 29 km |
| Jul 13, 2009 | 61 km E of Hualien City, Taiwan | M6.3 | 129 km | 17 km |
| Mar 5, 1996 | 63 km ENE of Hualien City, Taiwan | M6.3 | 127 km | 30 km |
| Dec 13, 1990 | 7 km SSE of Hualien City, Taiwan | M6.3 | 116 km | 12 km |
| Oct 31, 2013 | 46 km SSW of Hualien City, Taiwan | M6.3 | 150 km | 10 km |
| Feb 23, 1995 | 17 km N of Hualien City, Taiwan | M6.2 | 92 km | 41 km |
| Jun 2, 2013 | 26 km SE of Puli, Taiwan | M6.2 | 130 km | 17 km |
| May 23, 1994 | 57 km SW of Yonakuni, Japan | M6.2 | 145 km | 20 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
93 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Danas | Category 2 | - | 154 km |
| 2025 | Podul | Category 1 | - | 239 km |
| 2024 | Gaemi | Category 4 | 104 mph | 26 km |
| 2024 | Kong-rey | Category 3 | 98 mph | 147 km |
| 2024 | Krathon | Category 1 | 63 mph | 278 km |
| 2023 | Haikui | Category 3 | 98 mph | 227 km |
| 2023 | Doksuri | Category 2 | 92 mph | 273 km |
| 2022 | Muifa | Category 3 | 98 mph | 265 km |
| 2021 | Chanthu | Category 3 | 115 mph | 98 km |
| 2020 | Hagupit | Category 1 | 81 mph | 176 km |
| 2019 | Lekima | Category 4 | 109 mph | 258 km |
| 2019 | Mitag | Category 2 | 86 mph | 143 km |
| 2018 | Maria | Category 2 | 98 mph | 154 km |
| 2017 | Nesat | Category 2 | 92 mph | 48 km |
| 2016 | Megi | Category 4 | 98 mph | 96 km |
| 2016 | Malakas | Category 4 | 109 mph | 147 km |
| 2016 | Meranti | Category 4 | 104 mph | 294 km |
| 2016 | Nepartak | Category 4 | 104 mph | 238 km |
| 2015 | Dujuan | Category 4 | 127 mph | 86 km |
| 2015 | Goni | Category 3 | 109 mph | 249 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tsunami History
8 tsunamis recorded within 500 km. Highest wave on record: 30.0 m (98 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1781 | KAOHSIUNG | Unknown | 30.0 m | 1 | 111 km |
| 1867 | E. CHINA SEA | Earthquake | 15.0 m | 580 | 71 km |
| 2024 | E. TAIWAN-RYUKYU ISLANDS | Earthquake | 1.0 m | 20 | 126 km |
| 1986 | TAIWAN | Earthquake | 0.3 m | 15 | 117 km |
| 1951 | TAIWAN | Earthquake | 0.3 m | 68 | 131 km |
| 2002 | TAIWAN | Earthquake | 0.2 m | 5 | 109 km |
| 1963 | E. TAIWAN-RYUKYU ISLANDS | Earthquake | 0.2 m | 15 | 95 km |
| 1990 | TAIWAN | Earthquake | 0.0 m | - | 137 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: Tatun Volcanic Group (33 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Tatun Volcanic Group | Lava dome(s) | 1,120 m (3,675 ft) | 648 | 33 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 56°F (14°C) | 4.8 in | Coldest |
| February | 57°F (14°C) | 6.6 in | |
| March | 61°F (16°C) | 8.3 in | |
| April | 67°F (20°C) | 7.2 in | |
| May | 73°F (23°C) | 10.7 in | |
| June | 77°F (25°C) | 12.9 in | |
| July | 80°F (26°C) | 11.2 in | Warmest |
| August | 79°F (26°C) | 14.0 in | Wettest |
| September | 76°F (25°C) | 13.1 in | |
| October | 71°F (22°C) | 8.9 in | |
| November | 65°F (19°C) | 5.2 in | |
| December | 59°F (15°C) | 4.5 in | Driest |
Sanxia has a seasonal temperature swing of 23°F / from 56°F in January to 80°F in July. Total annual precipitation is 107.4 inches, with August being the wettest month (14.0") and December the driest (4.5").