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Weather & Climate in Shimonoseki, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Shimonoseki enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 42°F in January while summers reach 79°F in July. The area gets 213 sunny days per year. Annual precipitation totals 67.8 inches (wetter than the 38-inch national average). The city sits at an elevation of 33 feet.
Temperature
42°F Jan (6°C)
79°F Jul (26°C)
| Annual Average | 60.5°F |
| 12% above US avg | |
| January Average | 42°F (6°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 213 days/yr |
Geography
| Elevation | 33 ft (10 m) |
| Area | 276.5 sq mi (716.2 km²) |
| Population Density | 961/sq mi |
| Coordinates | 33.9555°N, 130.9371°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
238 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.0.
| Apr 15, 2016 | 6 km ESE of Kumamoto, Japan | M7.0 | 131 km | 10 km |
| Mar 24, 2001 | 16 km SSW of Kure, Japan | M6.8 | 147 km | 50 km |
| Mar 20, 2005 | 28 km NNW of Maebaru-ch??, Japan | M6.6 | 76 km | 10 km |
| Jun 11, 2006 | 15 km S of Tsukawaki, Japan | M6.3 | 93 km | 140 km |
| Mar 13, 2014 | 32 km SSW of Hikari, Japan | M6.3 | 87 km | 79 km |
| Apr 14, 2016 | 2 km SSE of Kumamoto, Japan | M6.2 | 132 km | 9 km |
| Apr 14, 2016 | 5 km ENE of Uto, Japan | M6.0 | 141 km | 8 km |
| Jun 25, 1997 | 17 km E of Hagi, Japan | M5.9 | 78 km | 10 km |
| Apr 15, 2016 | 6 km S of Kikuchi, Japan | M5.7 | 115 km | 10 km |
| May 22, 1998 | 9 km NE of Bungo-Takada-shi, Japan | M5.5 | 65 km | 81 km |
| Jul 12, 2015 | 12 km SSW of Usuki, Japan | M5.5 | 128 km | 53 km |
| Apr 15, 2016 | 10 km NE of Aso, Japan | M5.5 | 108 km | 13 km |
| Apr 18, 2016 | 8 km NNE of Aso, Japan | M5.5 | 106 km | 10 km |
| Apr 19, 2005 | 8 km NNW of Maebaru-ch??, Japan | M5.5 | 79 km | 19 km |
| Apr 14, 2016 | 14 km ESE of Kumamoto, Japan | M5.4 | 135 km | 10 km |
| Apr 15, 2016 | 5 km WSW of Aso, Japan | M5.4 | 115 km | 4 km |
| Apr 14, 2016 | 4 km NNE of Uto, Japan | M5.3 | 140 km | 10 km |
| Apr 15, 2016 | 13 km ESE of Kumamoto, Japan | M5.3 | 133 km | 10 km |
| Apr 15, 2016 | 5 km ENE of Uto, Japan | M5.3 | 140 km | 10 km |
| Apr 16, 2016 | 8 km ENE of Kumamoto, Japan | M5.2 | 125 km | 9 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
53 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Shanshan | Category 2 | 98 mph | 172 km |
| 2022 | Nanmadol | Category 2 | 98 mph | 50 km |
| 2022 | Hinnamnor | Category 1 | 81 mph | 211 km |
| 2020 | Haishen | Category 2 | 98 mph | 170 km |
| 2020 | Maysak | Category 1 | 92 mph | 244 km |
| 2019 | Francisco | Category 1 | 81 mph | 122 km |
| 2018 | Trami | Category 1 | 98 mph | 266 km |
| 2018 | Prapiroon | Category 1 | 75 mph | 161 km |
| 2017 | Noru | Category 1 | 69 mph | 244 km |
| 2016 | Chaba | Category 1 | 75 mph | 266 km |
| 2016 | Malakas | Category 1 | 86 mph | 238 km |
| 2015 | Goni | Category 3 | 104 mph | 41 km |
| 2014 | Halong | Category 1 | 81 mph | 244 km |
| 2013 | Danas | Category 1 | 69 mph | 227 km |
| 2012 | Sanba | Category 3 | 98 mph | 262 km |
| 2011 | Ma-on | Category 1 | 86 mph | 252 km |
| 2007 | Usagi | Category 3 | 98 mph | 37 km |
| 2007 | Man-yi | Category 1 | 86 mph | 219 km |
| 2006 | Shanshan | Category 1 | 92 mph | 50 km |
| 2005 | Nabi | Category 2 | 92 mph | 40 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
7 tsunamis recorded within 500 km. Highest wave on record: 55.0 m (180 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1792 | SHIMABARA BAY, KYUSHU ISLAND | Landslide | 55.0 m | 15,000 | 147 km |
| 1026 | OFF MASUDA, SHIMANE PREFECTURE | Earthquake | 10.0 m | 1,001 | 123 km |
| 1596 | BEPPU BAY, KYUSHU | Eruption + Earthquake | 8.0 m | 708 | 102 km |
| 1872 | SW. HONSHU ISLAND | Earthquake | 3.0 m | 804 | 143 km |
| 1715 | SEIKAIDO | Earthquake | — | — | 102 km |
| 1698 | SEIKAIDO-NANKAIDO | Earthquake | — | — | 102 km |
| 1597 | BEPPU BAY, JAPAN | Eruption + Earthquake | — | 40 | 95 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Yufu-Tsurumi (86 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Yufu-Tsurumi | Lava dome(s) | 1,584 m (5,197 ft) | 867 | 86 km |
| Abu | Shield(s) | 641 m (2,103 ft) | -6850 | 86 km |
| Kujusan | Stratovolcano(es) | 1,791 m (5,876 ft) | 1996 | 101 km |
| Asosan | Caldera | 1,592 m (5,223 ft) | 2020 | 120 km |
| Unzendake | Complex | 1,483 m (4,865 ft) | 1996 | 145 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (6°C) | 3.0 in | Coldest |
| February | 43°F (6°C) | 3.3 in | |
| March | 48°F (9°C) | 4.3 in | |
| April | 57°F (14°C) | 6.2 in | |
| May | 65°F (18°C) | 6.2 in | |
| June | 71°F (22°C) | 10.8 in | |
| July | 79°F (26°C) | 11.2 in | Wettest |
| August | 81°F (27°C) | 5.5 in | Warmest |
| September | 74°F (23°C) | 7.8 in | |
| October | 64°F (18°C) | 3.9 in | |
| November | 55°F (13°C) | 3.1 in | |
| December | 47°F (8°C) | 2.5 in | Driest |
Shimonoseki has a seasonal temperature swing of 38°F / from 42°F in January to 81°F in August. Total annual precipitation is 67.8 inches, with July being the wettest month (11.2") and December the driest (2.5").