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Weather & Climate in Hiratachō, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Hiratachō enjoys a temperate climate with an average annual temperature of 58°F (15°C). Winters average 40°F in January while summers reach 78°F in July. The area gets 219 sunny days per year. Annual precipitation totals 64.5 inches (wetter than the 38-inch national average). The city sits at an elevation of 13 feet.
Temperature
40°F Jan (4°C)
78°F Jul (25°C)
| Annual Average | 58.4°F |
| 8% above US avg | |
| January Average | 40°F (4°C) |
| July Average | 78°F (25°C) |
| Sunny Days | 219 days/yr |
Geography
| Elevation | 13 ft (4 m) |
| Area | 796.3 sq mi (2,062.3 km²) |
| Population Density | 35/sq mi |
| Coordinates | 35.4333°N, 132.8167°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
41 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.7.
| Oct 6, 2000 | 8 km ESE of Matsue, Japan | M6.7 | 29 km | 10 km |
| Apr 8, 2018 | 8 km NNE of ?dach?-?da, Japan | M5.7 | 31 km | 10 km |
| Aug 28, 1991 | 9 km SSW of Yasugich?, Japan | M5.5 | 37 km | 13 km |
| Oct 8, 2000 | 32 km N of Sh?bara, Japan | M5.4 | 38 km | 10 km |
| Sep 3, 1997 | 21 km S of Yasugich?, Japan | M5.3 | 43 km | 10 km |
| Jan 11, 2001 | 15 km E of Tottori, Japan | M5.3 | 144 km | 33 km |
| Sep 16, 2002 | 24 km SW of Kurayoshi, Japan | M5.3 | 78 km | 10 km |
| Oct 8, 2000 | 8 km SSW of Yonago, Japan | M5.2 | 46 km | 10 km |
| Jun 3, 2011 | 9 km ENE of G?tsuch?, Japan | M5.0 | 64 km | 10 km |
| Sep 28, 1990 | 24 km NNW of Kariya, Japan | M4.9 | 142 km | 26 km |
| Oct 6, 2000 | 9 km S of Yonago, Japan | M4.7 | 48 km | 10 km |
| Apr 8, 2018 | 6 km S of ?dach?-?da, Japan | M4.7 | 44 km | 9 km |
| Jun 26, 2018 | 8 km NNW of Miyoshi, Japan | M4.6 | 63 km | 35 km |
| Apr 8, 2018 | 9 km S of ?dach?-?da, Japan | M4.6 | 47 km | 10 km |
| Nov 23, 1990 | 23 km NNW of Niimi, Japan | M4.6 | 60 km | 10 km |
| Apr 8, 2018 | 14 km SSE of ?dach?-?da, Japan | M4.5 | 46 km | 10 km |
| Aug 17, 2021 | 14 km NNE of Sh?bara, Japan | M4.5 | 56 km | 10 km |
| Aug 2, 2021 | 21 km N of Sh?bara, Japan | M4.4 | 48 km | 21 km |
| Apr 8, 2018 | 13 km S of ?dach?-?da, Japan | M4.4 | 50 km | 10 km |
| Oct 6, 2000 | 4 km W of Yasugich?, Japan | M4.4 | 34 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
35 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2022 | Nanmadol | Category 1 | 81 mph | 288 km |
| 2022 | Hinnamnor | Category 1 | 75 mph | 235 km |
| 2018 | Jebi | Category 2 | 98 mph | 228 km |
| 2018 | Trami | Category 1 | 92 mph | 288 km |
| 2018 | Cimaron | Category 1 | 86 mph | 195 km |
| 2017 | Noru | Category 1 | 69 mph | 256 km |
| 2016 | Malakas | Category 1 | 81 mph | 300 km |
| 2015 | Goni | Category 3 | 92 mph | 167 km |
| 2014 | Halong | Category 1 | 81 mph | 274 km |
| 2011 | Ma-on | Category 1 | 86 mph | 254 km |
| 2007 | Usagi | Category 1 | 69 mph | 83 km |
| 2006 | Shanshan | Category 1 | 92 mph | 272 km |
| 2005 | Nabi | Category 1 | 75 mph | 143 km |
| 2004 | Songda | Category 2 | 86 mph | 58 km |
| 2004 | Chaba | Category 2 | 81 mph | 51 km |
| 2003 | Etau | Category 2 | 86 mph | 221 km |
| 2003 | Soudelor | Category 1 | 63 mph | 278 km |
| 1999 | Bart | Category 2 | 92 mph | 36 km |
| 1998 | Vicki | Category 2 | 86 mph | 277 km |
| 1998 | Zeb | Category 1 | 58 mph | 149 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
2 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 | 116 km |
| 1872 | SW. HONSHU ISLAND | Earthquake | 3.0 m | 804 | 95 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
3 volcanoes within 200 km. Closest: Sanbesan (37 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Sanbesan | Stratovolcano | 1,126 m (3,694 ft) | 650 | 37 km |
| Oki-Dogo | Shield | 151 m (495 ft) | Unknown | 95 km |
| Abu | Shield(s) | 641 m (2,103 ft) | -6850 | 152 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (4°C) | 5.9 in | Coldest |
| February | 40°F (4°C) | 4.2 in | Driest |
| March | 45°F (7°C) | 4.2 in | |
| April | 55°F (13°C) | 4.5 in | |
| May | 63°F (17°C) | 4.5 in | |
| June | 70°F (21°C) | 7.3 in | |
| July | 78°F (25°C) | 7.8 in | |
| August | 80°F (27°C) | 4.7 in | Warmest |
| September | 72°F (22°C) | 8.1 in | Wettest |
| October | 62°F (17°C) | 4.8 in | |
| November | 52°F (11°C) | 4.3 in | |
| December | 44°F (7°C) | 4.4 in |
Hiratachō has a seasonal temperature swing of 40°F / from 40°F in January to 80°F in August. Total annual precipitation is 64.5 inches, with September being the wettest month (8.1") and February the driest (4.2").