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Weather & Climate in Tsushima, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Tsushima enjoys a temperate climate with an average annual temperature of 58°F (15°C). Winters average 40°F in January while summers reach 76°F in July. The area gets 192 sunny days per year. Annual precipitation totals 79.6 inches (wetter than the 38-inch national average). The city sits at an elevation of 20 feet.
Temperature
40°F Jan (4°C)
76°F Jul (24°C)
| Annual Average | 58.4°F |
| 8% above US avg | |
| January Average | 40°F (4°C) |
| July Average | 76°F (24°C) |
| Sunny Days | 192 days/yr |
Geography
| Elevation | 20 ft (6 m) |
| Area | 1,881.3 sq mi (4,872.5 km²) |
| Population Density | 15/sq mi |
| Coordinates | 34.2063°N, 129.2908°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
20 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.6.
| Mar 20, 2005 | 28 km NNW of Maebaru-ch??, Japan | M6.6 | 89 km | 10 km |
| Apr 19, 2005 | 8 km NNW of Maebaru-ch??, Japan | M5.5 | 104 km | 19 km |
| Mar 22, 2005 | 17 km N of Maebaru-ch??, Japan | M4.9 | 101 km | 10 km |
| Apr 20, 2005 | 11 km NE of Maebaru-ch??, Japan | M4.7 | 110 km | 39 km |
| Apr 10, 2005 | 10 km NNE of Maebaru-ch??, Japan | M4.7 | 106 km | 24 km |
| May 1, 2005 | 6 km NE of Maebaru-ch??, Japan | M4.6 | 110 km | 10 km |
| Jun 29, 2005 | 80 km SE of Kyosai, South Korea | M4.5 | 17 km | 15 km |
| Feb 17, 2023 | 33 km NW of Ashiya, Japan | M4.4 | 100 km | 10 km |
| Apr 1, 2005 | 14 km SW of ?noj?, Japan | M4.4 | 130 km | 10 km |
| Apr 19, 2005 | 2 km SE of Shing?, Japan | M4.4 | 121 km | 10 km |
| Mar 21, 2005 | 37 km NNW of Maebaru-ch??, Japan | M4.3 | 77 km | 10 km |
| Apr 19, 2005 | 5 km ESE of Maebaru-ch??, Japan | M4.3 | 116 km | 10 km |
| May 13, 2006 | 84 km NNW of Hirado, Japan | M4.3 | 23 km | 20 km |
| Mar 20, 2005 | 25 km NW of Maebaru-ch??, Japan | M4.1 | 86 km | 10 km |
| Mar 20, 2005 | 31 km NW of Maebaru-ch??, Japan | M4.1 | 79 km | 10 km |
| Jun 28, 2009 | 8 km NW of ?mura, Japan | M4.0 | 147 km | 22 km |
| Feb 25, 1996 | 76 km N of Hirado, Japan | M4.0 | 28 km | 33 km |
| Mar 20, 2005 | 33 km NNW of Maebaru-ch??, Japan | M3.9 | 82 km | 10 km |
| Jul 4, 2005 | 21 km NNW of Maebaru-ch??, Japan | M3.9 | 93 km | 15 km |
| Mar 25, 2005 | 12 km WNW of Nishifukuma, Japan | M3.7 | 108 km | 95 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
46 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Shanshan | Category 1 | 86 mph | 212 km |
| 2022 | Hinnamnor | Category 2 | 86 mph | 110 km |
| 2022 | Nanmadol | Category 1 | 86 mph | 138 km |
| 2020 | Haishen | Category 2 | 98 mph | 21 km |
| 2020 | Maysak | Category 2 | 92 mph | 91 km |
| 2019 | Francisco | Category 1 | 81 mph | 189 km |
| 2018 | Kong-rey | Category 1 | 75 mph | 294 km |
| 2018 | Prapiroon | Category 1 | 69 mph | 46 km |
| 2016 | Chaba | Category 2 | 86 mph | 112 km |
| 2015 | Goni | Category 3 | 104 mph | 117 km |
| 2013 | Danas | Category 2 | 75 mph | 92 km |
| 2012 | Sanba | Category 2 | 98 mph | 110 km |
| 2007 | Nari | Category 2 | 86 mph | 177 km |
| 2007 | Usagi | Category 2 | 92 mph | 185 km |
| 2006 | Shanshan | Category 1 | 92 mph | 105 km |
| 2005 | Nabi | Category 2 | 86 mph | 123 km |
| 2004 | Songda | Category 2 | 86 mph | 129 km |
| 2004 | Chaba | Category 2 | 92 mph | 185 km |
| 2004 | Megi | Category 1 | 75 mph | 185 km |
| 2003 | Maemi | Category 4 | 104 mph | 119 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1643 | SEA OF JAPAN | Earthquake | — | — | 145 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Fukue (177 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Fukue | Shield(s) | 315 m (1,033 ft) | -400 | 177 km |
| Unzendake | Complex | 1,483 m (4,865 ft) | 1996 | 186 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (4°C) | 2.7 in | Coldest |
| February | 41°F (5°C) | 3.4 in | |
| March | 47°F (8°C) | 5.1 in | |
| April | 55°F (13°C) | 7.2 in | |
| May | 62°F (17°C) | 7.7 in | |
| June | 68°F (20°C) | 12.1 in | |
| July | 76°F (24°C) | 12.4 in | Wettest |
| August | 78°F (26°C) | 11.0 in | Warmest |
| September | 72°F (22°C) | 8.7 in | |
| October | 63°F (17°C) | 3.7 in | |
| November | 53°F (12°C) | 3.5 in | |
| December | 44°F (7°C) | 2.1 in | Driest |
Tsushima has a seasonal temperature swing of 38°F / from 40°F in January to 78°F in August. Total annual precipitation is 79.6 inches, with July being the wettest month (12.4") and December the driest (2.1").