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Weather & Climate in Mizunami, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Mizunami enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 36°F in January while summers reach 75°F in July. The area gets 180 sunny days per year. Annual precipitation totals 85.8 inches (wetter than the 38-inch national average). The city sits at an elevation of 515 feet.
Temperature
36°F Jan (2°C)
75°F Jul (24°C)
| Annual Average | 55.7°F |
| 3% above US avg | |
| January Average | 36°F (2°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 180 days/yr |
Geography
| Elevation | 515 ft (157 m) |
| Area | 67.5 sq mi (174.9 km²) |
| Population Density | 559/sq mi |
| Coordinates | 35.3667°N, 137.2500°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
450 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.2.
| Aug 10, 2009 | 8 km NE of Sagara, Japan | M6.2 | 115 km | 40 km |
| Mar 15, 2011 | 6 km NNW of Fujinomiya, Japan | M6.0 | 121 km | 9 km |
| Aug 1, 2011 | 20 km E of ?yama, Japan | M5.9 | 135 km | 13 km |
| Jan 15, 2007 | 15 km WSW of Heda, Japan | M5.9 | 137 km | 170 km |
| May 23, 1997 | 38 km SSE of Tahara, Japan | M5.8 | 113 km | 11 km |
| Mar 16, 1997 | 5 km NE of Toyokawa, Japan | M5.6 | 60 km | 36 km |
| Nov 18, 2013 | 25 km SE of Toba, Japan | M5.6 | 116 km | 328 km |
| Aug 15, 1998 | 22 km WSW of Hotaka, Japan | M5.5 | 106 km | 10 km |
| Apr 3, 2001 | 10 km NE of Mori, Japan | M5.4 | 87 km | 33 km |
| Aug 26, 2010 | 25 km ENE of Katsuyama, Japan | M5.4 | 94 km | 278 km |
| May 9, 2022 | 7 km NE of Toba, Japan | M5.3 | 98 km | 329 km |
| Oct 5, 2011 | 24 km W of ?machi, Japan | M5.3 | 127 km | 10 km |
| Jan 6, 2004 | 36 km S of Ise, Japan | M5.3 | 145 km | 33 km |
| Oct 5, 2011 | eastern Honshu, Japan | M5.2 | 126 km | 13 km |
| May 28, 2005 | 37 km SSW of Hamamatsu, Japan | M5.2 | 112 km | 296 km |
| Oct 5, 1996 | 12 km NW of Kanaya, Japan | M5.2 | 88 km | 48 km |
| Jan 27, 2012 | 9 km ENE of Fujiyoshida, Japan | M5.2 | 149 km | 36 km |
| Apr 22, 1998 | 18 km SE of Hikone, Japan | M5.2 | 79 km | 33 km |
| May 19, 2020 | 18 km WSW of Hotaka, Japan | M5.2 | 109 km | 10 km |
| Apr 23, 2020 | 18 km WNW of Shiojiri, Japan | M5.2 | 101 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
43 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2023 | Lan | Category 1 | 69 mph | 234 km |
| 2019 | Faxai | Category 4 | 98 mph | 201 km |
| 2019 | Hagibis | Category 2 | 92 mph | 157 km |
| 2018 | Jebi | Category 2 | 98 mph | 150 km |
| 2018 | Trami | Category 1 | 92 mph | 237 km |
| 2018 | Cimaron | Category 1 | 86 mph | 248 km |
| 2018 | Jongdari | Category 1 | 81 mph | 97 km |
| 2017 | Lan | Category 1 | 98 mph | 219 km |
| 2017 | Noru | Category 1 | 69 mph | 249 km |
| 2016 | Mindulle | Category 1 | 75 mph | 237 km |
| 2014 | Phanfone | Category 1 | 86 mph | 95 km |
| 2011 | Roke | Category 3 | 92 mph | 72 km |
| 2009 | Melor | Category 1 | 86 mph | 163 km |
| 2008 | Sinlaku | Category 1 | 75 mph | 210 km |
| 2007 | Fitow | Category 1 | 81 mph | 163 km |
| 2005 | Mawar | Category 2 | 86 mph | 164 km |
| 2004 | Ma-on | Category 4 | 92 mph | 146 km |
| 2004 | Chaba | Category 1 | 69 mph | 242 km |
| 2003 | Etau | Category 2 | 86 mph | 99 km |
| 2002 | Higos | Category 2 | 92 mph | 206 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
10 tsunamis recorded within 500 km. Highest wave on record: 11.0 m (36 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1707 | ENSHUNADA | Earthquake | 11.0 m | 2,000 | 150 km |
| 1855 | ENSHUNADA | Earthquake | 3.0 m | — | 102 km |
| 1909 | ANEGAWA, JAPAN | Earthquake | 1.8 m | 41 | 86 km |
| 1945 | TOKAIDO | Earthquake | 1.0 m | 2,306 | 74 km |
| 2009 | HONSHU: S COAST | Earthquake | 0.6 m | 1 | 115 km |
| 1857 | TOKAIDO | Earthquake | — | — | 114 km |
| 1799 | SW. HONSHU ISLAND | Earthquake | — | — | 149 km |
| 1666 | AICHI PREFECTURE | Earthquake | — | — | 58 km |
| 1589 | SURUGA, JAPAN | Earthquake | — | — | 107 km |
| 1586 | ISE BAY | Earthquake | — | 8,000 | 58 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km. Closest: Ontakesan (62 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Ontakesan | Complex | 3,067 m (10,062 ft) | 2014 | 62 km |
| Norikuradake | Stratovolcano(es) | 3,026 m (9,928 ft) | -50 | 87 km |
| Hakusan | Stratovolcano | 2,702 m (8,865 ft) | 1659 | 98 km |
| Yakedake | Stratovolcano(es) | 2,455 m (8,054 ft) | 1995 | 100 km |
| Washiba-Kumonotaira | Shield(s) | 2,924 m (9,593 ft) | Unknown | 120 km |
| Yokodake | Stratovolcano(es) | 2,480 m (8,136 ft) | 1200 | 126 km |
| Fujisan | Stratovolcano | 3,776 m (12,388 ft) | 1708 | 134 km |
| Midagahara | Stratovolcano | 2,621 m (8,599 ft) | 1839 | 137 km |
| Hakoneyama | Complex | 1,438 m (4,718 ft) | 2015 | 161 km |
| Asamayama | Complex | 2,568 m (8,425 ft) | 2019 | 163 km |
| Izu-Tobu | Pyroclastic cone(s) | 1,406 m (4,613 ft) | 1989 | 176 km |
| Kusatsu-Shiranesan | Stratovolcano(es) | 2,165 m (7,103 ft) | 2018 | 181 km |
| Shiga | Shield(s) | 2,041 m (6,696 ft) | Unknown | 186 km |
| Myokosan | Stratovolcano | 2,454 m (8,051 ft) | -750 | 186 km |
| Niigata-Yakeyama | Lava dome | 2,400 m (7,874 ft) | 1998 | 187 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 36°F (2°C) | 2.8 in | Coldest |
| February | 37°F (3°C) | 3.4 in | |
| March | 43°F (6°C) | 5.7 in | |
| April | 53°F (12°C) | 8.2 in | |
| May | 61°F (16°C) | 7.8 in | |
| June | 68°F (20°C) | 11.2 in | |
| July | 75°F (24°C) | 11.9 in | Wettest |
| August | 77°F (25°C) | 10.2 in | Warmest |
| September | 70°F (21°C) | 11.7 in | |
| October | 60°F (15°C) | 6.3 in | |
| November | 49°F (10°C) | 3.9 in | |
| December | 40°F (4°C) | 2.8 in | Driest |
Mizunami has a seasonal temperature swing of 42°F / from 36°F in January to 77°F in August. Total annual precipitation is 85.8 inches, with July being the wettest month (11.9") and December the driest (2.8").