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Weather & Climate in Tianwei, Taiwan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Tianwei has a warm climate with an average annual temperature of 72°F (22°C). Winters average 61°F in January while summers reach 82°F in July. The area gets 211 sunny days per year. Annual precipitation totals 70.7 inches (wetter than the 38-inch national average). The city sits at an elevation of 112 feet.
Temperature
61°F Jan (16°C)
82°F Jul (28°C)
| Annual Average | 72.4°F |
| 34% above US avg | |
| January Average | 61°F (16°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 211 days/yr |
Geography
| Elevation | 112 ft (34 m) |
| Area | 15.3 sq mi (39.7 km²) |
| Population Density | 1,701/sq mi |
| Coordinates | 23.8927°N, 120.5240°W |
| Timezone | Asia/Taipei |
Precipitation & Snow
Air Quality
Earthquake History
1,975 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 | 49 km | 33 km |
| Apr 2, 2024 | 15 km S of Hualien City, Taiwan | M7.4 | 109 km | 40 km |
| Sep 18, 2022 | 90 km E of Yujing, Taiwan | M6.9 | 119 km | 10 km |
| Mar 22, 2022 | 65 km S of Hualien City, Taiwan | M6.7 | 124 km | 24 km |
| Dec 13, 1990 | 28 km S of Hualien City, Taiwan | M6.7 | 114 km | 10 km |
| Sep 17, 2022 | 96 km SE of Lugu, Taiwan | M6.5 | 125 km | 10 km |
| Sep 25, 1999 | 31 km SE of Puli, Taiwan | M6.5 | 67 km | 17 km |
| Feb 6, 2018 | 18 km NNE of Hualien City, Taiwan | M6.4 | 118 km | 17 km |
| Sep 22, 1999 | 33 km SE of Puli, Taiwan | M6.4 | 68 km | 26 km |
| Jun 10, 2000 | 29 km ESE of Puli, Taiwan | M6.4 | 72 km | 33 km |
| Sep 20, 1999 | 44 km SSE of Lugu, Taiwan | M6.4 | 72 km | 33 km |
| Dec 19, 2009 | 20 km S of Hualien City, Taiwan | M6.4 | 111 km | 43 km |
| Apr 3, 2024 | 15 km NNE of Hualien City, Taiwan | M6.4 | 120 km | 14 km |
| Feb 5, 2016 | 25 km SE of Yujing, Taiwan | M6.4 | 107 km | 23 km |
| Sep 20, 1999 | 54 km SW of Hualien City, Taiwan | M6.3 | 87 km | 33 km |
| Oct 31, 2013 | 46 km SSW of Hualien City, Taiwan | M6.3 | 99 km | 10 km |
| Dec 13, 1990 | 7 km SSE of Hualien City, Taiwan | M6.3 | 113 km | 12 km |
| Nov 1, 1999 | 66 km S of Hualien City, Taiwan | M6.3 | 117 km | 33 km |
| Mar 4, 2010 | 41 km SE of Yujing, Taiwan | M6.3 | 112 km | 21 km |
| Sep 20, 1999 | 36 km SE of Puli, Taiwan | M6.2 | 75 km | 33 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
91 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Podul | Category 2 | — | 111 km |
| 2025 | Danas | Category 2 | — | 11 km |
| 2024 | Kong-rey | Category 4 | 104 mph | 34 km |
| 2024 | Krathon | Category 4 | 115 mph | 144 km |
| 2024 | Gaemi | Category 4 | 104 mph | 122 km |
| 2023 | Koinu | Category 4 | 104 mph | 206 km |
| 2023 | Haikui | Category 3 | 98 mph | 107 km |
| 2023 | Doksuri | Category 3 | 92 mph | 171 km |
| 2021 | Chanthu | Category 4 | 121 mph | 181 km |
| 2020 | Mekkhala | Category 1 | 58 mph | 261 km |
| 2019 | Mitag | Category 2 | 86 mph | 243 km |
| 2018 | Maria | Category 2 | 98 mph | 274 km |
| 2017 | Nesat | Category 2 | 92 mph | 118 km |
| 2016 | Meranti | Category 5 | 121 mph | 152 km |
| 2016 | Nepartak | Category 5 | 127 mph | 94 km |
| 2016 | Megi | Category 4 | 98 mph | 12 km |
| 2016 | Malakas | Category 4 | 109 mph | 253 km |
| 2015 | Dujuan | Category 4 | 127 mph | 23 km |
| 2015 | Soudelor | Category 3 | 104 mph | 13 km |
| 2015 | Goni | Category 2 | 92 mph | 293 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
6 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 | 50 km |
| 2024 | E. TAIWAN-RYUKYU ISLANDS | Earthquake | 1.0 m | 20 | 106 km |
| 1917 | TAIWAN | Earthquake | 0.5 m | — | 134 km |
| 1986 | TAIWAN | Earthquake | 0.3 m | 15 | 107 km |
| 1951 | TAIWAN | Earthquake | 0.3 m | 68 | 120 km |
| 1990 | TAIWAN | Earthquake | 0.0 m | — | 114 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: Tatun Volcanic Group (177 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Tatun Volcanic Group | Lava dome(s) | 1,120 m (3,675 ft) | 648 | 177 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 61°F (16°C) | 1.3 in | Coldest |
| February | 62°F (16°C) | 2.4 in | |
| March | 66°F (19°C) | 4.5 in | |
| April | 72°F (22°C) | 5.0 in | |
| May | 77°F (25°C) | 8.9 in | |
| June | 80°F (27°C) | 13.7 in | Wettest |
| July | 82°F (28°C) | 12.8 in | Warmest |
| August | 81°F (27°C) | 13.5 in | |
| September | 80°F (26°C) | 6.0 in | |
| October | 75°F (24°C) | 1.0 in | |
| November | 70°F (21°C) | 0.6 in | Driest |
| December | 63°F (17°C) | 1.0 in |
Tianwei has a seasonal temperature swing of 22°F / from 61°F in January to 82°F in July. Total annual precipitation is 70.7 inches, with June being the wettest month (13.7") and November the driest (0.6").