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Weather & Climate in Hario, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Hario 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 242 sunny days per year, above the national average. Annual precipitation totals 52.1 inches (wetter than the 38-inch national average). The area receives 8.3 inches of snow annually. The city sits at an elevation of 2,831 feet.
Temperature
28°F Jan (-2°C)
70°F Jul (21°C)
| Annual Average | 49.4°F |
| 9% below US avg | |
| January Average | 28°F (-2°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 242 days/yr |
Geography
| Elevation | 2,831 ft (863 m) |
| Area | 34.6 sq mi (89.5 km²) |
| Population Density | 124/sq mi |
| Coordinates | 36.1196°N, 137.8428°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
517 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 | 110 km | 9 km |
| Jan 1, 2024 | 8 km SW of Anamizu, Japan | M6.2 | 150 km | 10 km |
| Mar 15, 2011 | 6 km NNW of Fujinomiya, Japan | M6.0 | 116 km | 9 km |
| Feb 25, 2013 | 29 km NE of Numata, Japan | M5.8 | 149 km | 10 km |
| Mar 11, 2011 | eastern Honshu, Japan | M5.7 | 100 km | 12 km |
| Mar 16, 1997 | 5 km NE of Toyokawa, Japan | M5.6 | 146 km | 36 km |
| Mar 6, 1996 | 13 km NNE of Gotenba, Japan | M5.6 | 128 km | 33 km |
| Apr 11, 2011 | 8 km WSW of Iiyama, Japan | M5.5 | 86 km | 17 km |
| Mar 15, 2012 | 3 km ENE of ?me, Japan | M5.5 | 134 km | 104 km |
| Aug 15, 1998 | 22 km WSW of Hotaka, Japan | M5.5 | 24 km | 10 km |
| Aug 26, 2010 | 25 km ENE of Katsuyama, Japan | M5.4 | 96 km | 278 km |
| May 17, 1990 | 7 km W of Nanao, Japan | M5.4 | 135 km | 267 km |
| Apr 3, 2001 | 10 km NE of Mori, Japan | M5.4 | 137 km | 33 km |
| Jun 5, 1990 | 13 km NE of Gotenba, Japan | M5.3 | 134 km | 122 km |
| Jan 4, 2001 | 20 km WSW of Shiozawa, Japan | M5.3 | 119 km | 21 km |
| Oct 5, 2011 | 24 km W of ?machi, Japan | M5.3 | 46 km | 10 km |
| Dec 7, 1990 | 17 km SSW of Kashiwazaki, Japan | M5.3 | 135 km | 10 km |
| Jan 27, 2012 | 9 km ENE of Fujiyoshida, Japan | M5.2 | 119 km | 36 km |
| Jul 14, 1991 | 5 km E of Ueda, Japan | M5.2 | 55 km | 188 km |
| Jun 24, 2017 | 31 km ENE of Gero, Japan | M5.2 | 38 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
31 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 | 191 km |
| 2019 | Hagibis | Category 2 | 92 mph | 152 km |
| 2018 | Jebi | Category 2 | 98 mph | 172 km |
| 2018 | Jongdari | Category 1 | 81 mph | 192 km |
| 2016 | Mindulle | Category 1 | 75 mph | 252 km |
| 2014 | Phanfone | Category 1 | 81 mph | 145 km |
| 2011 | Roke | Category 2 | 92 mph | 125 km |
| 2009 | Melor | Category 1 | 86 mph | 261 km |
| 2007 | Fitow | Category 1 | 81 mph | 135 km |
| 2005 | Mawar | Category 2 | 81 mph | 186 km |
| 2004 | Ma-on | Category 3 | 92 mph | 166 km |
| 2004 | Chaba | Category 1 | 69 mph | 210 km |
| 2003 | Etau | Category 1 | 58 mph | 159 km |
| 2002 | Higos | Category 2 | 86 mph | 187 km |
| 2001 | Danas | Category 1 | 81 mph | 181 km |
| 2000 | Kirogi | Category 1 | 86 mph | 274 km |
| 1998 | Vicki | Category 2 | 86 mph | 72 km |
| 1998 | Zeb | Category 1 | 58 mph | 197 km |
| 1998 | Stella | Category 1 | 69 mph | 156 km |
| 1997 | Opal | Category 1 | 69 mph | 286 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
5 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 | — | 148 km |
| 1892 | SW. HONSHU ISLAND | Earthquake | — | 1 | 135 km |
| 1799 | SW. HONSHU ISLAND | Earthquake | — | — | 123 km |
| 1751 | NW. HONSHU ISLAND | Eruption + Earthquake | — | 2,100 | 122 km |
| 863 | NW. HONSHU ISLAND | Eruption + Earthquake | — | — | 110 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km. Closest: Yakedake (26 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Yakedake | Stratovolcano(es) | 2,455 m (8,054 ft) | 1995 | 26 km |
| Norikuradake | Stratovolcano(es) | 3,026 m (9,928 ft) | -50 | 26 km |
| Washiba-Kumonotaira | Shield(s) | 2,924 m (9,593 ft) | Unknown | 39 km |
| Ontakesan | Complex | 3,067 m (10,062 ft) | 2014 | 41 km |
| Yokodake | Stratovolcano(es) | 2,480 m (8,136 ft) | 1200 | 43 km |
| Midagahara | Stratovolcano | 2,621 m (8,599 ft) | 1839 | 55 km |
| Asamayama | Complex | 2,568 m (8,425 ft) | 2019 | 69 km |
| Kusatsu-Shiranesan | Stratovolcano(es) | 2,165 m (7,103 ft) | 2018 | 83 km |
| Shiga | Shield(s) | 2,041 m (6,696 ft) | Unknown | 88 km |
| Myokosan | Stratovolcano | 2,454 m (8,051 ft) | -750 | 89 km |
| Niigata-Yakeyama | Lava dome | 2,400 m (7,874 ft) | 1998 | 91 km |
| Hakusan | Stratovolcano | 2,702 m (8,865 ft) | 1659 | 96 km |
| Harunasan | Stratovolcano | 1,449 m (4,754 ft) | 550 | 99 km |
| Fujisan | Stratovolcano | 3,776 m (12,388 ft) | 1708 | 116 km |
| Akagisan | Stratovolcano | 1,828 m (5,997 ft) | Unknown | 131 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 28°F (-2°C) | 1.5 in | Coldest |
| February | 28°F (-2°C) | 2.1 in | |
| March | 35°F (2°C) | 3.4 in | |
| April | 47°F (9°C) | 4.4 in | |
| May | 56°F (14°C) | 4.7 in | |
| June | 63°F (17°C) | 7.3 in | |
| July | 70°F (21°C) | 6.9 in | |
| August | 72°F (22°C) | 5.8 in | Warmest |
| September | 64°F (18°C) | 7.8 in | Wettest |
| October | 53°F (11°C) | 4.4 in | |
| November | 43°F (6°C) | 2.5 in | |
| December | 33°F (1°C) | 1.3 in | Driest |
Hario has a seasonal temperature swing of 45°F / from 28°F in January to 72°F in August. Total annual precipitation is 52.1 inches, with September being the wettest month (7.8") and December the driest (1.3").