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Weather & Climate in Shioiri, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Shioiri enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 36°F in January while summers reach 76°F in July. The area gets 207 sunny days per year. Annual precipitation totals 71.2 inches (wetter than the 38-inch national average). The city sits at an elevation of 492 feet.
Temperature
36°F Jan (2°C)
76°F Jul (24°C)
| Annual Average | 56.2°F |
| 4% above US avg | |
| January Average | 36°F (2°C) |
| July Average | 76°F (24°C) |
| Sunny Days | 207 days/yr |
Geography
| Elevation | 492 ft (150 m) |
| Area | 98.5 sq mi (255.0 km²) |
| Population Density | 177/sq mi |
| Coordinates | 34.1561°N, 133.8515°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
171 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.9.
| Jan 16, 1995 | 8 km S of Akashi, Japan | M6.9 | 117 km | 22 km |
| Mar 24, 2001 | 16 km SSW of Kure, Japan | M6.8 | 122 km | 50 km |
| Apr 12, 2013 | 6 km WNW of Sumoto, Japan | M5.8 | 93 km | 14 km |
| Aug 20, 1999 | 22 km SE of Kainan, Japan | M5.7 | 144 km | 66 km |
| Aug 28, 1991 | 9 km SSW of Yasugich?, Japan | M5.5 | 144 km | 13 km |
| Oct 8, 2000 | 32 km N of Sh?bara, Japan | M5.4 | 133 km | 10 km |
| Sep 3, 1997 | 21 km S of Yasugich?, Japan | M5.3 | 132 km | 10 km |
| Sep 16, 2002 | 24 km SW of Kurayoshi, Japan | M5.3 | 124 km | 10 km |
| Oct 8, 2000 | 8 km SSW of Yonago, Japan | M5.2 | 143 km | 10 km |
| Mar 13, 2019 | 22 km ESE of Anan, Japan | M5.2 | 100 km | 37 km |
| Mar 25, 2001 | 22 km WNW of H?j?, Japan | M5.2 | 122 km | 43 km |
| Apr 14, 2000 | 10 km SSW of Tanabe, Japan | M5.1 | 146 km | 35 km |
| Apr 26, 2007 | 15 km ESE of Niihama, Japan | M5.1 | 46 km | 50 km |
| Jan 16, 1995 | 20 km SW of Akashi, Japan | M5.0 | 100 km | 10 km |
| Jul 5, 2011 | 12 km NNW of Gob?, Japan | M5.0 | 120 km | 16 km |
| Jun 18, 2021 | 1 km ENE of ?zu, Japan | M4.9 | 139 km | 42 km |
| Sep 28, 1990 | 24 km NNW of Kariya, Japan | M4.9 | 95 km | 26 km |
| Oct 13, 1995 | 10 km ESE of Akashi, Japan | M4.9 | 126 km | 18 km |
| Mar 11, 2019 | 6 km SE of Kihoku-ch?, Japan | M4.9 | 148 km | 44 km |
| Aug 22, 1994 | 39 km S of Anan, Japan | M4.9 | 96 km | 38 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 |
| 2023 | Lan | Category 2 | 75 mph | 178 km |
| 2018 | Jebi | Category 3 | 98 mph | 80 km |
| 2018 | Trami | Category 1 | 92 mph | 118 km |
| 2018 | Cimaron | Category 1 | 92 mph | 86 km |
| 2017 | Noru | Category 1 | 69 mph | 86 km |
| 2016 | Malakas | Category 1 | 86 mph | 154 km |
| 2015 | Goni | Category 1 | 81 mph | 285 km |
| 2015 | Nangka | Category 1 | 86 mph | 135 km |
| 2014 | Phanfone | Category 2 | 92 mph | 193 km |
| 2014 | Halong | Category 1 | 81 mph | 138 km |
| 2012 | Jelawat | Category 1 | 92 mph | 199 km |
| 2011 | Roke | Category 4 | 98 mph | 237 km |
| 2011 | Ma-on | Category 1 | 86 mph | 84 km |
| 2009 | Melor | Category 1 | 92 mph | 229 km |
| 2008 | Sinlaku | Category 1 | 75 mph | 179 km |
| 2007 | Usagi | Category 2 | 92 mph | 227 km |
| 2007 | Man-yi | Category 1 | 86 mph | 189 km |
| 2005 | Nabi | Category 1 | 75 mph | 256 km |
| 2004 | Songda | Category 2 | 86 mph | 197 km |
| 2004 | Chaba | Category 2 | 92 mph | 121 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
8 tsunamis recorded within 500 km. Highest wave on record: 25.7 m (84 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1707 | NANKAIDO | Earthquake | 25.7 m | 5,000 | 138 km |
| 1711 | SEIONAIKAI, JAPAN | Earthquake | 2.0 m | 1,000 | 21 km |
| 1808 | E. AWA, TOKUSHIMA PREFECTURE | Earthquake | 1.5 m | — | 92 km |
| 1995 | KOBE, JAPAN | Earthquake | 0.3 m | 6,434 | 122 km |
| 1791 | OASAKA BAY | Earthquake | — | — | 147 km |
| 1498 | NANKAIDO | Earthquake | — | — | 144 km |
| 1331 | OFF TANABE, WAKAYAMA PREFECTURE | Earthquake | — | — | 134 km |
| 745 | OSAKA BAY, JAPAN | Earthquake | — | — | 142 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: Sanbesan (157 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Sanbesan | Stratovolcano | 1,126 m (3,694 ft) | 650 | 157 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 36°F (2°C) | 2.1 in | Coldest |
| February | 37°F (3°C) | 2.7 in | |
| March | 43°F (6°C) | 4.3 in | |
| April | 54°F (12°C) | 6.9 in | |
| May | 62°F (17°C) | 7.4 in | |
| June | 68°F (20°C) | 11.2 in | Wettest |
| July | 76°F (24°C) | 9.7 in | |
| August | 77°F (25°C) | 6.0 in | Warmest |
| September | 70°F (21°C) | 10.2 in | |
| October | 60°F (16°C) | 5.5 in | |
| November | 50°F (10°C) | 3.4 in | |
| December | 41°F (5°C) | 1.9 in | Driest |
Shioiri has a seasonal temperature swing of 41°F / from 36°F in January to 77°F in August. Total annual precipitation is 71.2 inches, with June being the wettest month (11.2") and December the driest (1.9").