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Weather & Climate in Shōyama, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Shōyama experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 34°F in January while summers reach 75°F in July. The area gets 216 sunny days per year. Annual precipitation totals 66.3 inches (wetter than the 38-inch national average). The area receives 7.7 inches of snow annually. The city sits at an elevation of 1,339 feet.
Temperature
34°F Jan (1°C)
75°F Jul (24°C)
| Annual Average | 54.5°F |
| 1% above US avg | |
| January Average | 34°F (1°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 216 days/yr |
Geography
| Elevation | 1,339 ft (408 m) |
| Area | 148.8 sq mi (385.4 km²) |
| Population Density | 28/sq mi |
| Coordinates | 35.1667°N, 133.3167°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
62 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.8.
| Mar 24, 2001 | 16 km SSW of Kure, Japan | M6.8 | 141 km | 50 km |
| Oct 6, 2000 | 8 km ESE of Matsue, Japan | M6.7 | 36 km | 10 km |
| Apr 8, 2018 | 8 km NNE of ?dach?-?da, Japan | M5.7 | 70 km | 10 km |
| Aug 28, 1991 | 9 km SSW of Yasugich?, Japan | M5.5 | 22 km | 13 km |
| Oct 8, 2000 | 32 km N of Sh?bara, Japan | M5.4 | 25 km | 10 km |
| Sep 3, 1997 | 21 km S of Yasugich?, Japan | M5.3 | 11 km | 10 km |
| Sep 16, 2002 | 24 km SW of Kurayoshi, Japan | M5.3 | 32 km | 10 km |
| Jan 11, 2001 | 15 km E of Tottori, Japan | M5.3 | 104 km | 33 km |
| Mar 25, 2001 | 22 km WNW of H?j?, Japan | M5.2 | 146 km | 43 km |
| Oct 8, 2000 | 8 km SSW of Yonago, Japan | M5.2 | 22 km | 10 km |
| Apr 26, 2007 | 15 km ESE of Niihama, Japan | M5.1 | 141 km | 50 km |
| Jun 3, 2011 | 9 km ENE of G?tsuch?, Japan | M5.0 | 92 km | 10 km |
| Sep 28, 1990 | 24 km NNW of Kariya, Japan | M4.9 | 89 km | 26 km |
| May 26, 2005 | 6 km SSW of Kan’onjich?, Japan | M4.8 | 125 km | 38 km |
| Oct 4, 2011 | 14 km SW of Wakimachi, Japan | M4.8 | 149 km | 43 km |
| Apr 8, 2018 | 6 km S of ?dach?-?da, Japan | M4.7 | 74 km | 9 km |
| Oct 6, 2000 | 9 km S of Yonago, Japan | M4.7 | 20 km | 10 km |
| Jan 16, 2011 | 11 km SSW of Ikedach?, Japan | M4.6 | 142 km | 41 km |
| Apr 8, 2018 | 9 km S of ?dach?-?da, Japan | M4.6 | 75 km | 10 km |
| Jul 18, 2021 | 7 km ESE of Ikedach?, Japan | M4.6 | 139 km | 41 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
40 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2023 | Lan | Category 1 | 69 mph | 273 km |
| 2022 | Hinnamnor | Category 1 | 75 mph | 289 km |
| 2018 | Jebi | Category 2 | 98 mph | 174 km |
| 2018 | Trami | Category 1 | 92 mph | 240 km |
| 2018 | Cimaron | Category 1 | 86 mph | 141 km |
| 2017 | Noru | Category 1 | 69 mph | 205 km |
| 2016 | Malakas | Category 1 | 81 mph | 264 km |
| 2015 | Goni | Category 3 | 92 mph | 211 km |
| 2015 | Nangka | Category 1 | 81 mph | 257 km |
| 2014 | Halong | Category 1 | 81 mph | 241 km |
| 2011 | Ma-on | Category 1 | 86 mph | 206 km |
| 2007 | Usagi | Category 2 | 81 mph | 137 km |
| 2007 | Man-yi | Category 1 | 75 mph | 278 km |
| 2006 | Shanshan | Category 1 | 81 mph | 297 km |
| 2005 | Nabi | Category 2 | 81 mph | 184 km |
| 2004 | Songda | Category 2 | 86 mph | 103 km |
| 2004 | Chaba | Category 2 | 92 mph | 13 km |
| 2003 | Etau | Category 2 | 86 mph | 166 km |
| 1999 | Bart | Category 2 | 92 mph | 88 km |
| 1998 | Vicki | Category 2 | 86 mph | 223 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
3 tsunamis recorded within 500 km. Highest wave on record: 10.0 m (33 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1026 | OFF MASUDA, SHIMANE PREFECTURE | Earthquake | 10.0 m | 1,001 | 144 km |
| 1872 | SW. HONSHU ISLAND | Earthquake | 3.0 m | 804 | 124 km |
| 1711 | SEIONAIKAI, JAPAN | Earthquake | 2.0 m | 1,000 | 115 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
3 volcanoes within 200 km. Closest: Sanbesan (63 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Sanbesan | Stratovolcano | 1,126 m (3,694 ft) | 650 | 63 km |
| Oki-Dogo | Shield | 151 m (495 ft) | Unknown | 112 km |
| Abu | Shield(s) | 641 m (2,103 ft) | -6850 | 173 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 34°F (1°C) | 3.8 in | Coldest |
| February | 35°F (1°C) | 3.9 in | |
| March | 41°F (5°C) | 4.3 in | |
| April | 51°F (11°C) | 5.0 in | |
| May | 60°F (16°C) | 5.3 in | |
| June | 67°F (19°C) | 8.5 in | |
| July | 75°F (24°C) | 9.5 in | Wettest |
| August | 77°F (25°C) | 5.9 in | Warmest |
| September | 69°F (20°C) | 8.3 in | |
| October | 58°F (14°C) | 4.7 in | |
| November | 48°F (9°C) | 3.6 in | |
| December | 39°F (4°C) | 3.4 in | Driest |
Shōyama has a seasonal temperature swing of 42°F / from 34°F in January to 77°F in August. Total annual precipitation is 66.3 inches, with July being the wettest month (9.5") and December the driest (3.4").