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Weather & Climate in Tainan, Taiwan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Tainan has a warm climate with an average annual temperature of 75°F (24°C). Winters average 64°F in January while summers reach 84°F in July. The area gets 209 sunny days per year. Annual precipitation totals 88.4 inches (wetter than the 38-inch national average). The city sits at an elevation of 85 feet.
Temperature
64°F Jan (18°C)
84°F Jul (29°C)
| Annual Average | 75.2°F |
| 39% above US avg | |
| January Average | 64°F (18°C) |
| July Average | 84°F (29°C) |
| Sunny Days | 209 days/yr |
Geography
| Elevation | 85 ft (26 m) |
| Area | 846.2 sq mi (2,191.7 km²) |
| Population Density | 27,376/sq mi |
| Coordinates | 22.9908°N, 120.2133°W |
| Timezone | Asia/Taipei |
Precipitation & Snow
Air Quality
Earthquake History
987 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 | 117 km | 33 km |
| Sep 18, 2022 | 90 km E of Yujing, Taiwan | M6.9 | 117 km | 10 km |
| Mar 22, 2022 | 65 km S of Hualien City, Taiwan | M6.7 | 150 km | 24 km |
| Sep 25, 1999 | 31 km SE of Puli, Taiwan | M6.5 | 127 km | 17 km |
| Sep 17, 2022 | 96 km SE of Lugu, Taiwan | M6.5 | 124 km | 10 km |
| Feb 5, 2016 | 25 km SE of Yujing, Taiwan | M6.4 | 40 km | 23 km |
| Jun 10, 2000 | 29 km ESE of Puli, Taiwan | M6.4 | 140 km | 33 km |
| Sep 22, 1999 | 33 km SE of Puli, Taiwan | M6.4 | 127 km | 26 km |
| Sep 20, 1999 | 44 km SSE of Lugu, Taiwan | M6.4 | 89 km | 33 km |
| Mar 4, 2010 | 41 km SE of Yujing, Taiwan | M6.3 | 60 km | 21 km |
| Nov 1, 1999 | 66 km S of Hualien City, Taiwan | M6.3 | 140 km | 33 km |
| Sep 20, 1999 | 54 km SW of Hualien City, Taiwan | M6.3 | 128 km | 33 km |
| Oct 31, 2013 | 46 km SSW of Hualien City, Taiwan | M6.3 | 142 km | 10 km |
| May 19, 2004 | 107 km NE of Hengchun, Taiwan | M6.2 | 137 km | 20 km |
| Jun 2, 2013 | 26 km SE of Puli, Taiwan | M6.2 | 130 km | 17 km |
| Feb 13, 2015 | Taiwan region | M6.2 | 131 km | 30 km |
| Sep 20, 1999 | 36 km SE of Puli, Taiwan | M6.2 | 136 km | 33 km |
| Oct 3, 2009 | 41 km SSW of Hualien City, Taiwan | M6.1 | 145 km | 28 km |
| Sep 20, 1999 | 33 km SE of Puli, Taiwan | M6.1 | 130 km | 33 km |
| Apr 1, 2006 | 88 km ESE of Yujing, Taiwan | M6.1 | 110 km | 9 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 5.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Podul | Category 2 | - | 41 km |
| 2025 | Danas | Category 2 | - | 41 km |
| 2024 | Kong-rey | Category 4 | 104 mph | 78 km |
| 2024 | Krathon | Category 4 | 121 mph | 48 km |
| 2024 | Gaemi | Category 4 | 104 mph | 166 km |
| 2024 | Usagi | Category 1 | 63 mph | 299 km |
| 2023 | Koinu | Category 4 | 104 mph | 101 km |
| 2023 | Saola | Category 4 | 121 mph | 263 km |
| 2023 | Haikui | Category 3 | 92 mph | 15 km |
| 2023 | Doksuri | Category 3 | 92 mph | 126 km |
| 2021 | Chanthu | Category 5 | 132 mph | 184 km |
| 2020 | Mekkhala | Category 1 | 58 mph | 206 km |
| 2019 | Mitag | Category 2 | 86 mph | 276 km |
| 2017 | Nesat | Category 2 | 92 mph | 224 km |
| 2016 | Meranti | Category 5 | 138 mph | 69 km |
| 2016 | Nepartak | Category 5 | 127 mph | 13 km |
| 2016 | Malakas | Category 4 | 109 mph | 290 km |
| 2016 | Megi | Category 3 | 98 mph | 116 km |
| 2015 | Dujuan | Category 4 | 127 mph | 127 km |
| 2015 | Soudelor | Category 3 | 104 mph | 103 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tsunami History
3 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 | 138 km |
| 1917 | TAIWAN | Earthquake | 0.5 m | - | 144 km |
| 2006 | TAIWAN | Earthquake | 0.1 m | 2 | 137 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 64°F (18°C) | 1.1 in | Coldest |
| February | 65°F (18°C) | 1.8 in | |
| March | 70°F (21°C) | 2.4 in | |
| April | 76°F (24°C) | 3.9 in | |
| May | 80°F (27°C) | 10.1 in | |
| June | 82°F (28°C) | 17.0 in | |
| July | 84°F (29°C) | 17.8 in | Warmest |
| August | 83°F (28°C) | 21.4 in | Wettest |
| September | 82°F (28°C) | 9.4 in | |
| October | 78°F (26°C) | 2.0 in | |
| November | 73°F (23°C) | 0.7 in | Driest |
| December | 66°F (19°C) | 0.8 in |
Tainan has a seasonal temperature swing of 20°F / from 64°F in January to 84°F in July. Total annual precipitation is 88.4 inches, with August being the wettest month (21.4") and November the driest (0.7").