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Weather & Climate in Ashida, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ashida experiences four distinct seasons with an average annual temperature of 49°F (10°C). Winters average 28°F in January while summers reach 70°F in July. The area gets 252 sunny days per year, above the national average. Annual precipitation totals 46.3 inches (wetter than the 38-inch national average). The area receives 6.9 inches of snow annually. The city sits at an elevation of 2,395 feet.
Temperature
28°F Jan (-2°C)
70°F Jul (21°C)
| Annual Average | 49.2°F |
| 9% below US avg | |
| January Average | 28°F (-2°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 252 days/yr |
Geography
| Elevation | 2,395 ft (730 m) |
| Area | 65.9 sq mi (170.8 km²) |
| Population Density | 100/sq mi |
| Coordinates | 36.2698°N, 138.3176°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
723 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 | 141 km | 12 km |
| Mar 11, 2011 | 13 km E of Arai, Japan | M6.2 | 83 km | 9 km |
| Mar 15, 2011 | 6 km NNW of Fujinomiya, Japan | M6.0 | 114 km | 9 km |
| Feb 25, 2013 | 29 km NE of Numata, Japan | M5.8 | 105 km | 10 km |
| Apr 16, 2011 | 6 km ENE of Tanuma, Japan | M5.8 | 120 km | 77 km |
| Jul 16, 2007 | 16 km NNW of Kashiwazaki, Japan | M5.7 | 138 km | 15 km |
| Mar 11, 2011 | eastern Honshu, Japan | M5.7 | 75 km | 12 km |
| Mar 6, 1996 | 13 km NNE of Gotenba, Japan | M5.6 | 111 km | 33 km |
| Apr 11, 2011 | 8 km WSW of Iiyama, Japan | M5.5 | 60 km | 17 km |
| Feb 15, 2005 | 2 km NNW of Iwatsuki, Japan | M5.5 | 127 km | 46 km |
| Mar 15, 2012 | 3 km ENE of ?me, Japan | M5.5 | 101 km | 104 km |
| Dec 21, 1996 | 3 km E of Sugito, Japan | M5.5 | 133 km | 45 km |
| Jul 15, 2011 | 5 km NE of Sakai, Japan | M5.5 | 138 km | 89 km |
| Aug 15, 1998 | 22 km WSW of Hotaka, Japan | M5.5 | 60 km | 10 km |
| May 16, 2016 | 6 km NE of Kasukabe, Japan | M5.4 | 136 km | 45 km |
| Aug 26, 2010 | 25 km ENE of Katsuyama, Japan | M5.4 | 140 km | 278 km |
| Jan 4, 2001 | 20 km WSW of Shiozawa, Japan | M5.3 | 84 km | 21 km |
| Oct 5, 2011 | 24 km W of ?machi, Japan | M5.3 | 69 km | 10 km |
| Jun 5, 1990 | 13 km NE of Gotenba, Japan | M5.3 | 116 km | 122 km |
| Dec 7, 1990 | 17 km SSW of Kashiwazaki, Japan | M5.3 | 107 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
29 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2019 | Faxai | Category 3 | 98 mph | 165 km |
| 2019 | Hagibis | Category 2 | 92 mph | 123 km |
| 2018 | Jebi | Category 1 | 86 mph | 191 km |
| 2018 | Jongdari | Category 1 | 81 mph | 226 km |
| 2016 | Mindulle | Category 1 | 75 mph | 244 km |
| 2014 | Phanfone | Category 1 | 81 mph | 153 km |
| 2011 | Roke | Category 2 | 92 mph | 89 km |
| 2009 | Melor | Category 1 | 86 mph | 297 km |
| 2007 | Fitow | Category 1 | 81 mph | 109 km |
| 2005 | Mawar | Category 2 | 81 mph | 168 km |
| 2004 | Ma-on | Category 3 | 92 mph | 148 km |
| 2004 | Chaba | Category 1 | 69 mph | 236 km |
| 2003 | Etau | Category 1 | 58 mph | 205 km |
| 2002 | Higos | Category 2 | 86 mph | 148 km |
| 2001 | Danas | Category 1 | 81 mph | 152 km |
| 2000 | Kirogi | Category 1 | 86 mph | 240 km |
| 1998 | Vicki | Category 2 | 86 mph | 87 km |
| 1998 | Zeb | Category 1 | 58 mph | 236 km |
| 1998 | Stella | Category 1 | 69 mph | 124 km |
| 1996 | Violet | Category 1 | 81 mph | 273 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tsunami History
9 tsunamis recorded within 500 km. Highest wave on record: 0.2 m (1 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1987 | HONSHU ISLAND | Earthquake | 0.2 m | - | 137 km |
| 2007 | HONSHU: W COAST | Earthquake | - | 15 | 145 km |
| 1751 | NW. HONSHU ISLAND | Eruption + Earthquake | - | 2,100 | 105 km |
| 1633 | SAGAMI BAY | Earthquake | - | 150 | 143 km |
| 1614 | NIIGATA PREFECTURE | Earthquake | - | - | 140 km |
| 1448 | SADO, JAPAN | Earthquake | - | - | 137 km |
| 887 | NIIGATA | Earthquake | - | 2,000 | 138 km |
| 863 | NW. HONSHU ISLAND | Eruption + Earthquake | - | - | 97 km |
| 818 | TOKAIDO | Eruption + Earthquake | - | - | 148 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km. Closest: Yokodake (20 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Yokodake | Stratovolcano(es) | 2,480 m (8,136 ft) | 1200 | 20 km |
| Asamayama | Complex | 2,568 m (8,425 ft) | 2019 | 24 km |
| Kusatsu-Shiranesan | Stratovolcano(es) | 2,165 m (7,103 ft) | 2018 | 43 km |
| Shiga | Shield(s) | 2,041 m (6,696 ft) | Unknown | 50 km |
| Harunasan | Stratovolcano | 1,449 m (4,754 ft) | 550 | 53 km |
| Yakedake | Stratovolcano(es) | 2,455 m (8,054 ft) | 1995 | 66 km |
| Washiba-Kumonotaira | Shield(s) | 2,924 m (9,593 ft) | Unknown | 67 km |
| Norikuradake | Stratovolcano(es) | 3,026 m (9,928 ft) | -50 | 71 km |
| Myokosan | Stratovolcano | 2,454 m (8,051 ft) | -750 | 71 km |
| Midagahara | Stratovolcano | 2,621 m (8,599 ft) | 1839 | 73 km |
| Niigata-Yakeyama | Lava dome | 2,400 m (7,874 ft) | 1998 | 77 km |
| Akagisan | Stratovolcano | 1,828 m (5,997 ft) | Unknown | 85 km |
| Ontakesan | Complex | 3,067 m (10,062 ft) | 2014 | 86 km |
| Fujisan | Stratovolcano | 3,776 m (12,388 ft) | 1708 | 108 km |
| Nikko-Shiranesan | Shield | 2,578 m (8,458 ft) | 1952 | 111 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 28°F (-2°C) | 1.3 in | Coldest |
| February | 29°F (-2°C) | 1.8 in | |
| March | 35°F (2°C) | 2.8 in | |
| April | 47°F (8°C) | 3.5 in | |
| May | 56°F (13°C) | 4.1 in | |
| June | 63°F (17°C) | 6.7 in | |
| July | 70°F (21°C) | 6.4 in | |
| August | 72°F (22°C) | 5.5 in | Warmest |
| September | 64°F (18°C) | 6.9 in | Wettest |
| October | 52°F (11°C) | 4.1 in | |
| November | 42°F (6°C) | 2.1 in | |
| December | 33°F (1°C) | 1.0 in | Driest |
Ashida has a seasonal temperature swing of 44°F / from 28°F in January to 72°F in August. Total annual precipitation is 46.3 inches, with September being the wettest month (6.9") and December the driest (1.0").