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Caotun, Taiwan

Full City Profile

96,838 Population 2,268/sq mi density
351 ft Elevation 107 meters
71°F Avg Temperature 21°C
Caotun has a warm climate with an average annual temperature of 71°F (22°C). Winters average 59°F in January while summers reach 80°F in July. The area gets 197 sunny days per year. Annual precipitation totals 86.9 inches. The area receives 0.0 inches of snow annually.

Temperature

59°F Jan (15°C) 80°F Jul (27°C)
Annual Average70.6°F
31% above US avg
January Average59°F (15°C)
July Average80°F (27°C)
Sunny Days197 days/yr

Geography

Elevation351 ft (107 m)
Area42.7 sq mi (110.6 km²)
Population Density2,268/sq mi
Coordinates23.9770°N, 120.6877°W
TimezoneAsia/Taipei

Precipitation & Snow

Annual Rainfall 86.9"
129% above US avg
Snowfall 0.0"
Wettest Month (Jun) 16.50"
Driest Month (Nov) 0.79"

Air Quality

Earthquake History

2,146 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.7. Most recent: M0.0 on Aug 29, 2025.

Sep 20, 1999 21 km S of Puli, Taiwan M7.7 38 km
Apr 2, 2024 15 km S of Hualien City, Taiwan M7.4 94 km
Sep 18, 2022 90 km E of Yujing, Taiwan M6.9 115 km
Mar 22, 2022 65 km S of Hualien City, Taiwan M6.7 115 km
Dec 13, 1990 28 km S of Hualien City, Taiwan M6.7 100 km
Sep 25, 1999 31 km SE of Puli, Taiwan M6.5 55 km
Sep 17, 2022 96 km SE of Lugu, Taiwan M6.5 121 km
Jun 5, 1994 31 km SSE of Yilan, Taiwan M6.4 137 km
Jun 10, 2000 29 km ESE of Puli, Taiwan M6.4 57 km
Feb 6, 2018 18 km NNE of Hualien City, Taiwan M6.4 100 km
Sep 20, 1999 44 km SSE of Lugu, Taiwan M6.4 71 km
Dec 19, 2009 20 km S of Hualien City, Taiwan M6.4 95 km
Sep 22, 1999 33 km SE of Puli, Taiwan M6.4 56 km
Feb 5, 2016 25 km SE of Yujing, Taiwan M6.4 116 km
Apr 3, 2024 15 km NNE of Hualien City, Taiwan M6.4 102 km
Dec 13, 1990 7 km SSE of Hualien City, Taiwan M6.3 97 km
Sep 20, 1999 54 km SW of Hualien City, Taiwan M6.3 77 km
Mar 4, 2010 41 km SE of Yujing, Taiwan M6.3 118 km
Nov 1, 1999 66 km S of Hualien City, Taiwan M6.3 108 km
Oct 31, 2013 46 km SSW of Hualien City, Taiwan M6.3 88 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

91 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 5.

Year Name Category Closest
2025 Podul Category 2 120 km
2025 Danas Category 2 27 km
2024 Kong-rey Category 4 43 km
2024 Krathon Category 4 156 km
2024 Gaemi Category 4 104 km
2023 Koinu Category 4 220 km
2023 Haikui Category 3 120 km
2023 Doksuri Category 3 190 km
2021 Chanthu Category 4 165 km
2020 Hagupit Category 1 289 km
2020 Mekkhala Category 1 279 km
2019 Mitag Category 2 227 km
2018 Maria Category 2 262 km
2017 Nesat Category 2 105 km
2016 Meranti Category 5 170 km
2016 Nepartak Category 5 111 km
2016 Megi Category 4 19 km
2016 Malakas Category 4 235 km
2015 Dujuan Category 4 24 km
2015 Soudelor Category 3 31 km
Source: NOAA IBTrACS (Cat 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 32 km
2024 E. TAIWAN-RYUKYU ISLANDS Earthquake 1.0 m 20 91 km
1917 TAIWAN Earthquake 0.5 m 127 km
1986 TAIWAN Earthquake 0.3 m 15 91 km
1951 TAIWAN Earthquake 0.3 m 68 105 km
1990 TAIWAN Earthquake 0.0 m 100 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

1 volcano within 200 km. Closest: Tatun Volcanic Group (160 km).

Name Type Elevation Last Eruption Distance
Tatun Volcanic Group Lava dome(s) 1,120 m (3,675 ft) 648 160 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 59°F (15°C) 1.6 in Coldest
February 60°F (16°C) 3.0 in
March 65°F (18°C) 5.0 in
April 71°F (21°C) 5.8 in
May 75°F (24°C) 11.5 in
June 78°F (26°C) 16.5 in Wettest
July 80°F (27°C) 15.5 in Warmest
August 79°F (26°C) 16.2 in
September 77°F (25°C) 8.0 in
October 74°F (23°C) 1.8 in
November 68°F (20°C) 0.8 in Driest
December 62°F (17°C) 1.2 in

Caotun has a seasonal temperature swing of 21°F / from 59°F in January to 80°F in July. Total annual precipitation is 86.9 inches, with June being the wettest month (16.5") and November the driest (0.8").

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