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Weather & Climate in Shimoseki, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Shimoseki experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 31°F in January while summers reach 73°F in July. The area gets 203 sunny days per year. Annual precipitation totals 73.5 inches (wetter than the 38-inch national average). The area receives 12.4 inches of snow annually. The city sits at an elevation of 112 feet.
Temperature
31°F Jan (-1°C)
73°F Jul (23°C)
| Annual Average | 52.0°F |
| 4% below US avg | |
| January Average | 31°F (-1°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 203 days/yr |
Geography
| Elevation | 112 ft (34 m) |
| Area | 125.7 sq mi (325.5 km²) |
| Population Density | 41/sq mi |
| Coordinates | 38.0913°N, 139.5598°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
502 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.6.
| Jul 16, 2007 | 20 km NNW of Kashiwazaki, Japan | M6.6 | 116 km | 12 km |
| Apr 11, 2011 | 17 km SSW of Ishikawa, Japan | M6.6 | 142 km | 11 km |
| Jun 18, 2019 | 31 km WSW of Tsuruoka, Japan | M6.4 | 61 km | 12 km |
| Mar 11, 2011 | 30 km NNE of Namie, Japan | M6.3 | 149 km | 32 km |
| Jul 25, 2003 | 7 km NW of Matsushima, Japan | M6.1 | 131 km | 6 km |
| Aug 10, 1996 | 25 km NE of Shinj?, Japan | M6.0 | 124 km | 10 km |
| Apr 12, 2011 | 8 km WSW of Ishikawa, Japan | M5.9 | 131 km | 11 km |
| Mar 11, 2011 | 4 km SSW of Namie, Japan | M5.9 | 144 km | 40 km |
| Feb 25, 2013 | 29 km NE of Numata, Japan | M5.8 | 142 km | 10 km |
| Apr 11, 2011 | 14 km SSE of Marumori, Japan | M5.8 | 115 km | 10 km |
| Apr 16, 2008 | 6 km ENE of Yuza, Japan | M5.8 | 111 km | 166 km |
| Jul 16, 2007 | 16 km NNW of Kashiwazaki, Japan | M5.7 | 116 km | 15 km |
| Aug 10, 1996 | 31 km ENE of Shinj?, Japan | M5.7 | 128 km | 10 km |
| Dec 3, 1996 | 35 km SE of Muramatsu, Japan | M5.7 | 68 km | 139 km |
| Jan 22, 1992 | 8 km WNW of Higashine, Japan | M5.7 | 78 km | 116 km |
| Jun 14, 2008 | 35 km SSE of Yuzawa, Japan | M5.5 | 131 km | 6 km |
| Aug 10, 1996 | 26 km S of Yuzawa, Japan | M5.5 | 128 km | 10 km |
| Apr 11, 2011 | 20 km SSW of Ishikawa, Japan | M5.5 | 142 km | 10 km |
| Sep 29, 2010 | 35 km NNW of Kuroiso, Japan | M5.5 | 97 km | 33 km |
| Mar 22, 2011 | 12 km ESE of Ishikawa, Japan | M5.5 | 141 km | 38 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
20 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 2.
| Year | Name | Category | Max Wind | Closest |
| 2019 | Faxai | Category 2 | 92 mph | 237 km |
| 2019 | Hagibis | Category 1 | 81 mph | 156 km |
| 2018 | Jebi | Category 1 | 81 mph | 275 km |
| 2011 | Roke | Category 1 | 81 mph | 246 km |
| 2007 | Fitow | Category 1 | 75 mph | 279 km |
| 2005 | Mawar | Category 2 | 75 mph | 265 km |
| 2004 | Ma-on | Category 2 | 69 mph | 224 km |
| 2002 | Higos | Category 1 | 75 mph | 109 km |
| 2001 | Danas | Category 1 | 63 mph | 202 km |
| 2000 | Kirogi | Category 1 | 69 mph | 216 km |
| 1998 | Vicki | Category 2 | 63 mph | 48 km |
| 1998 | Stella | Category 1 | 63 mph | 211 km |
| 1996 | Violet | Category 1 | 81 mph | 294 km |
| 1996 | Kirk | Category 1 | 63 mph | 299 km |
| 1995 | Ryan | Category 1 | 40 mph | 228 km |
| 1994 | Orchid | Category 1 | 69 mph | 283 km |
| 1993 | Vernon | Category 1 | 75 mph | 198 km |
| 1991 | Mireille | Category 1 | 98 mph | 293 km |
| 1990 | Flo | Category 1 | 58 mph | 296 km |
| 1981 | Thad | Category 1 | — | 237 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
11 tsunamis recorded within 500 km. Highest wave on record: 9.0 m (30 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1833 | NW. HONSHU ISLAND | Earthquake | 9.0 m | 85 | 97 km |
| 1964 | NW. HONSHU ISLAND | Earthquake | 5.8 m | 36 | 43 km |
| 1804 | NW. HONSHU ISLAND | Earthquake | 1.0 m | 450 | 112 km |
| 2019 | NIIGATA | Earthquake | 0.1 m | — | 62 km |
| 2007 | HONSHU: W COAST | Earthquake | — | 15 | 111 km |
| 1894 | YAMAGATA, JAPAN | Earthquake | — | 726 | 92 km |
| 1802 | NW. HONSHU ISLAND | Earthquake | — | 19 | 119 km |
| 1762 | NW. HONSHU ISLAND | Earthquake | — | — | 75 km |
| 1448 | SADO, JAPAN | Earthquake | — | — | 136 km |
| 887 | NIIGATA | Earthquake | — | 2,000 | 144 km |
| 850 | NW. HONSHU ISLAND | Eruption + Earthquake | — | — | 105 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km. Closest: Bandaisan (71 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Bandaisan | Stratovolcano | 1,816 m (5,958 ft) | 1888 | 71 km |
| Azumayama | Stratovolcano(es) | 1,949 m (6,394 ft) | 1977 | 72 km |
| Numazawa | Shield | 835 m (2,740 ft) | -3400 | 72 km |
| Zaozan [Zaosan] | Complex | 1,841 m (6,040 ft) | 1940 | 77 km |
| Adatarayama | Stratovolcano(es) | 1,728 m (5,669 ft) | 1996 | 80 km |
| Nasudake | Stratovolcano(es) | 1,915 m (6,283 ft) | 1963 | 113 km |
| Chokaisan | Stratovolcano(es) | 2,236 m (7,336 ft) | 1974 | 120 km |
| Naruko | Caldera | 470 m (1,542 ft) | 837 | 125 km |
| Hiuchigatake | Stratovolcano | 2,356 m (7,730 ft) | 1544 | 129 km |
| Takaharayama | Stratovolcano | 1,795 m (5,889 ft) | -4570 | 134 km |
| Kurikomayama | Stratovolcano | 1,627 m (5,338 ft) | 1950 | 144 km |
| Omanago Group | Lava dome(s) | 2,341 m (7,680 ft) | -3050 | 144 km |
| Nikko-Shiranesan | Shield | 2,578 m (8,458 ft) | 1952 | 145 km |
| Nantaisan | Stratovolcano | 2,486 m (8,156 ft) | -9540 | 148 km |
| Akagisan | Stratovolcano | 1,828 m (5,997 ft) | Unknown | 173 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-1°C) | 7.1 in | |
| February | 31°F (-1°C) | 5.3 in | Coldest |
| March | 36°F (2°C) | 4.8 in | |
| April | 48°F (9°C) | 4.4 in | |
| May | 58°F (14°C) | 4.1 in | Driest |
| June | 66°F (19°C) | 5.4 in | |
| July | 73°F (23°C) | 7.7 in | |
| August | 76°F (24°C) | 6.1 in | Warmest |
| September | 67°F (20°C) | 7.1 in | |
| October | 56°F (14°C) | 6.3 in | |
| November | 46°F (8°C) | 7.0 in | |
| December | 37°F (3°C) | 8.2 in | Wettest |
Shimoseki has a seasonal temperature swing of 45°F / from 31°F in February to 76°F in August. Total annual precipitation is 73.5 inches, with December being the wettest month (8.2") and May the driest (4.1").