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Weather & Climate in Ina, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ina experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 27°F in January while summers reach 69°F in July. The area gets 224 sunny days per year, above the national average. Annual precipitation totals 61.9 inches (wetter than the 38-inch national average). The area receives 9.8 inches of snow annually. The city sits at an elevation of 2,093 feet.
Temperature
27°F Jan (-3°C)
69°F Jul (20°C)
| Annual Average | 48.5°F |
| 10% below US avg | |
| January Average | 27°F (-3°C) |
| July Average | 69°F (20°C) |
| Sunny Days | 224 days/yr |
Geography
| Elevation | 2,093 ft (638 m) |
| Area | 257.9 sq mi (667.9 km²) |
| Population Density | 264/sq mi |
| Coordinates | 35.8276°N, 137.9538°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
536 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.2.
| Mar 11, 2011 | 13 km E of Arai, Japan | M6.2 | 137 km | 9 km |
| Aug 10, 2009 | 8 km NE of Sagara, Japan | M6.2 | 124 km | 40 km |
| Mar 15, 2011 | 6 km NNW of Fujinomiya, Japan | M6.0 | 84 km | 9 km |
| Aug 1, 2011 | 20 km E of ?yama, Japan | M5.9 | 140 km | 13 km |
| Jan 15, 2007 | 15 km WSW of Heda, Japan | M5.9 | 121 km | 170 km |
| Mar 11, 2011 | eastern Honshu, Japan | M5.7 | 128 km | 12 km |
| May 3, 1998 | 14 km SW of It?, Japan | M5.6 | 142 km | 34 km |
| Mar 4, 1997 | 9 km SSW of It?, Japan | M5.6 | 143 km | 10 km |
| Mar 16, 1997 | 5 km NE of Toyokawa, Japan | M5.6 | 118 km | 36 km |
| Mar 6, 1996 | 13 km NNE of Gotenba, Japan | M5.6 | 103 km | 33 km |
| Mar 15, 2012 | 3 km ENE of ?me, Japan | M5.5 | 120 km | 104 km |
| Aug 15, 1998 | 22 km WSW of Hotaka, Japan | M5.5 | 56 km | 10 km |
| Apr 11, 2011 | 8 km WSW of Iiyama, Japan | M5.5 | 113 km | 17 km |
| Jun 26, 1990 | near the south coast of Honshu, Japan | M5.4 | 143 km | 150 km |
| Apr 3, 2001 | 10 km NE of Mori, Japan | M5.4 | 104 km | 33 km |
| Aug 26, 2010 | 25 km ENE of Katsuyama, Japan | M5.4 | 111 km | 278 km |
| Jun 5, 1990 | 13 km NE of Gotenba, Japan | M5.3 | 109 km | 122 km |
| Jan 4, 2001 | 20 km WSW of Shiozawa, Japan | M5.3 | 142 km | 21 km |
| Oct 5, 2011 | 24 km W of ?machi, Japan | M5.3 | 79 km | 10 km |
| Jul 14, 1991 | 5 km E of Ueda, Japan | M5.2 | 73 km | 188 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 |
| 2019 | Faxai | Category 3 | 98 mph | 169 km |
| 2019 | Hagibis | Category 2 | 92 mph | 133 km |
| 2018 | Jebi | Category 2 | 98 mph | 204 km |
| 2018 | Jongdari | Category 1 | 81 mph | 167 km |
| 2017 | Lan | Category 1 | 98 mph | 279 km |
| 2016 | Mindulle | Category 1 | 75 mph | 221 km |
| 2014 | Phanfone | Category 1 | 81 mph | 111 km |
| 2011 | Roke | Category 2 | 92 mph | 104 km |
| 2009 | Melor | Category 1 | 86 mph | 238 km |
| 2008 | Sinlaku | Category 1 | 75 mph | 276 km |
| 2007 | Fitow | Category 1 | 81 mph | 115 km |
| 2005 | Mawar | Category 2 | 81 mph | 155 km |
| 2004 | Ma-on | Category 3 | 92 mph | 133 km |
| 2004 | Chaba | Category 1 | 69 mph | 239 km |
| 2003 | Etau | Category 1 | 58 mph | 160 km |
| 2002 | Higos | Category 2 | 86 mph | 165 km |
| 2001 | Danas | Category 1 | 81 mph | 156 km |
| 2000 | Kirogi | Category 1 | 86 mph | 255 km |
| 1998 | Vicki | Category 2 | 86 mph | 105 km |
| 1998 | Zeb | Category 1 | 58 mph | 216 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
11 tsunamis recorded within 500 km. Highest wave on record: 1.0 m (3 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1945 | TOKAIDO | Earthquake | 1.0 m | 2,306 | 143 km |
| 2009 | HONSHU: S COAST | Earthquake | 0.6 m | 1 | 124 km |
| 1857 | TOKAIDO | Earthquake | — | — | 119 km |
| 1799 | SW. HONSHU ISLAND | Earthquake | — | — | 149 km |
| 1666 | AICHI PREFECTURE | Earthquake | — | — | 139 km |
| 1633 | SAGAMI BAY | Earthquake | — | 150 | 133 km |
| 1589 | SURUGA, JAPAN | Earthquake | — | — | 116 km |
| 1586 | ISE BAY | Earthquake | — | 8,000 | 139 km |
| 1241 | KAMAKURA, SAGAMI BAY | Earthquake | — | — | 148 km |
| 863 | NW. HONSHU ISLAND | Eruption + Earthquake | — | — | 142 km |
| 818 | TOKAIDO | Eruption + Earthquake | — | — | 140 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km. Closest: Ontakesan (43 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Ontakesan | Complex | 3,067 m (10,062 ft) | 2014 | 43 km |
| Yokodake | Stratovolcano(es) | 2,480 m (8,136 ft) | 1200 | 44 km |
| Norikuradake | Stratovolcano(es) | 3,026 m (9,928 ft) | -50 | 48 km |
| Yakedake | Stratovolcano(es) | 2,455 m (8,054 ft) | 1995 | 55 km |
| Washiba-Kumonotaira | Shield(s) | 2,924 m (9,593 ft) | Unknown | 72 km |
| Asamayama | Complex | 2,568 m (8,425 ft) | 2019 | 82 km |
| Fujisan | Stratovolcano | 3,776 m (12,388 ft) | 1708 | 87 km |
| Midagahara | Stratovolcano | 2,621 m (8,599 ft) | 1839 | 89 km |
| Kusatsu-Shiranesan | Stratovolcano(es) | 2,165 m (7,103 ft) | 2018 | 102 km |
| Harunasan | Stratovolcano | 1,449 m (4,754 ft) | 550 | 108 km |
| Shiga | Shield(s) | 2,041 m (6,696 ft) | Unknown | 108 km |
| Hakusan | Stratovolcano | 2,702 m (8,865 ft) | 1659 | 113 km |
| Hakoneyama | Complex | 1,438 m (4,718 ft) | 2015 | 117 km |
| Myokosan | Stratovolcano | 2,454 m (8,051 ft) | -750 | 119 km |
| Niigata-Yakeyama | Lava dome | 2,400 m (7,874 ft) | 1998 | 122 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 27°F (-3°C) | 1.8 in | Coldest |
| February | 28°F (-2°C) | 2.4 in | |
| March | 35°F (1°C) | 4.1 in | |
| April | 46°F (8°C) | 5.4 in | |
| May | 55°F (13°C) | 5.6 in | |
| June | 62°F (17°C) | 8.7 in | |
| July | 69°F (20°C) | 8.2 in | |
| August | 71°F (22°C) | 7.5 in | Warmest |
| September | 63°F (17°C) | 8.9 in | Wettest |
| October | 52°F (11°C) | 5.0 in | |
| November | 42°F (6°C) | 2.8 in | |
| December | 32°F (0°C) | 1.6 in | Driest |
Ina has a seasonal temperature swing of 44°F / from 27°F in January to 71°F in August. Total annual precipitation is 61.8 inches, with September being the wettest month (8.9") and December the driest (1.6").