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Weather & Climate in Narusawa, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Narusawa experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 27°F in January while summers reach 65°F in July. The area gets 204 sunny days per year. Annual precipitation totals 72.6 inches (wetter than the 38-inch national average). The area receives 10.2 inches of snow annually. The city sits at an elevation of 3,219 feet.
Temperature
27°F Jan (-3°C)
65°F Jul (18°C)
| Annual Average | 46.6°F |
| 14% below US avg | |
| January Average | 27°F (-3°C) |
| July Average | 65°F (18°C) |
| Sunny Days | 204 days/yr |
Geography
| Elevation | 3,219 ft (981 m) |
| Area | 61.2 sq mi (158.4 km²) |
| Population Density | 46/sq mi |
| Coordinates | 35.4832°N, 138.7007°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
1,359 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.4.
| Feb 20, 1990 | 28 km E of Shimoda, Japan | M6.4 | 100 km | 14 km |
| Jun 1, 1990 | near the east coast of Honshu, Japan | M6.3 | 148 km | 67 km |
| Aug 10, 2009 | 8 km NE of Sagara, Japan | M6.2 | 91 km | 40 km |
| Apr 21, 2011 | 6 km WNW of T?gane, Japan | M6.2 | 146 km | 43 km |
| Jul 1, 2000 | 53 km SSE of Shimoda, Japan | M6.1 | 146 km | 10 km |
| Jul 15, 2000 | near the south coast of Honshu, Japan | M6.1 | 139 km | 10 km |
| Mar 15, 2011 | 6 km NNW of Fujinomiya, Japan | M6.0 | 26 km | 9 km |
| May 4, 2014 | 31 km ESE of It?, Japan | M6.0 | 91 km | 153 km |
| Jan 15, 2007 | 15 km WSW of Heda, Japan | M5.9 | 66 km | 170 km |
| Jul 23, 2005 | 9 km WSW of Ichihara, Japan | M5.9 | 116 km | 61 km |
| Aug 1, 2011 | 20 km E of ?yama, Japan | M5.9 | 98 km | 13 km |
| Apr 29, 2012 | 5 km NNW of T?gane, Japan | M5.8 | 150 km | 44 km |
| Apr 16, 2011 | 6 km ENE of Tanuma, Japan | M5.8 | 131 km | 77 km |
| Feb 1, 1992 | 4 km SSE of Miura, Japan | M5.8 | 95 km | 100 km |
| Sep 20, 2003 | 12 km SSE of Kamogawa, Japan | M5.7 | 144 km | 52 km |
| Mar 6, 1996 | 13 km NNE of Gotenba, Japan | M5.6 | 27 km | 33 km |
| May 3, 1998 | 14 km SW of It?, Japan | M5.6 | 73 km | 34 km |
| Mar 16, 1997 | 5 km NE of Toyokawa, Japan | M5.6 | 134 km | 36 km |
| Apr 20, 2006 | 16 km SE of It?, Japan | M5.6 | 83 km | 23 km |
| Mar 4, 1997 | 9 km SSW of It?, Japan | M5.6 | 73 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
39 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Ampil | Category 3 | 98 mph | 268 km |
| 2019 | Faxai | Category 4 | 98 mph | 92 km |
| 2019 | Hagibis | Category 2 | 92 mph | 65 km |
| 2018 | Jongdari | Category 2 | 86 mph | 147 km |
| 2018 | Jebi | Category 1 | 86 mph | 276 km |
| 2018 | Shanshan | Category 1 | 81 mph | 231 km |
| 2017 | Lan | Category 1 | 98 mph | 269 km |
| 2016 | Mindulle | Category 1 | 75 mph | 150 km |
| 2014 | Phanfone | Category 1 | 86 mph | 70 km |
| 2013 | Wipha | Category 1 | 81 mph | 299 km |
| 2011 | Roke | Category 3 | 92 mph | 65 km |
| 2009 | Melor | Category 1 | 86 mph | 253 km |
| 2009 | Krovanh | Category 1 | 69 mph | 246 km |
| 2008 | Sinlaku | Category 1 | 75 mph | 275 km |
| 2007 | Fitow | Category 1 | 81 mph | 47 km |
| 2005 | Mawar | Category 2 | 86 mph | 84 km |
| 2004 | Ma-on | Category 4 | 92 mph | 63 km |
| 2003 | Etau | Category 1 | 58 mph | 227 km |
| 2002 | Higos | Category 2 | 92 mph | 87 km |
| 2001 | Danas | Category 2 | 81 mph | 79 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
20 tsunamis recorded within 500 km. Highest wave on record: 13.0 m (43 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1923 | SAGAMI BAY | Earthquake | 13.0 m | 105,385 | 84 km |
| 1703 | OFF SW BOSO PENINSULA | Earthquake | 11.7 m | 5,233 | 133 km |
| 1495 | KAMAKURA, SAGAMI BAY, TOKAIDO | Earthquake | 5.0 m | 200 | 84 km |
| 1855 | ENSHUNADA | Earthquake | 3.0 m | — | 148 km |
| 1433 | OFF IZU-OSHIMA | Earthquake | 2.0 m | — | 97 km |
| 2009 | HONSHU: S COAST | Earthquake | 0.6 m | 1 | 91 km |
| 1980 | HONSHU ISLAND | Earthquake | 0.6 m | — | 87 km |
| 1978 | TOKAIDO | Earthquake | 0.4 m | 25 | 91 km |
| 1974 | TOKAIDO | Earthquake | 0.2 m | 30 | 98 km |
| 1990 | JAPAN | Earthquake | 0.2 m | — | 100 km |
| 2000 | HONSHU: S COAST | Earthquake | 0.1 m | — | 139 km |
| 2000 | KOZU-SHIMA ISLAND, HONSHU | Earthquake | 0.1 m | 1 | 146 km |
| 1857 | TOKAIDO | Earthquake | — | — | 84 km |
| 1855 | TOKAIDO | Earthquake | — | 6,757 | 101 km |
| 1782 | ODAWARA, SAGAMI BAY | Eruption + Earthquake | — | — | 100 km |
| 1633 | SAGAMI BAY | Earthquake | — | 150 | 55 km |
| 1589 | SURUGA, JAPAN | Earthquake | — | — | 89 km |
| 1257 | SAGAMI BAY, JAPAN | Earthquake | — | — | 79 km |
| 1241 | KAMAKURA, SAGAMI BAY | Earthquake | — | — | 71 km |
| 818 | TOKAIDO | Eruption + Earthquake | — | — | 63 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km. Closest: Fujisan (14 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Fujisan | Stratovolcano | 3,776 m (12,388 ft) | 1708 | 14 km |
| Hakoneyama | Complex | 1,438 m (4,718 ft) | 2015 | 40 km |
| Izu-Tobu | Pyroclastic cone(s) | 1,406 m (4,613 ft) | 1989 | 74 km |
| Yokodake | Stratovolcano(es) | 2,480 m (8,136 ft) | 1200 | 75 km |
| Asamayama | Complex | 2,568 m (8,425 ft) | 2019 | 104 km |
| Izu-Oshima | Stratovolcano | 758 m (2,487 ft) | 1990 | 105 km |
| Harunasan | Stratovolcano | 1,449 m (4,754 ft) | 550 | 111 km |
| Ontakesan | Complex | 3,067 m (10,062 ft) | 2014 | 119 km |
| Toshima | Stratovolcano | 508 m (1,667 ft) | -4550 | 119 km |
| Norikuradake | Stratovolcano(es) | 3,026 m (9,928 ft) | -50 | 125 km |
| Kusatsu-Shiranesan | Stratovolcano(es) | 2,165 m (7,103 ft) | 2018 | 127 km |
| Akagisan | Stratovolcano | 1,828 m (5,997 ft) | Unknown | 128 km |
| Yakedake | Stratovolcano(es) | 2,455 m (8,054 ft) | 1995 | 130 km |
| Niijima | Lava dome(s) | 432 m (1,417 ft) | 886 | 132 km |
| Shiga | Shield(s) | 2,041 m (6,696 ft) | Unknown | 135 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 | 27°F (-3°C) | 2.5 in | |
| March | 33°F (0°C) | 4.4 in | |
| April | 44°F (7°C) | 5.7 in | |
| May | 52°F (11°C) | 6.5 in | |
| June | 58°F (15°C) | 9.3 in | |
| July | 65°F (18°C) | 8.4 in | |
| August | 67°F (20°C) | 11.5 in | Warmest, Wettest |
| September | 61°F (16°C) | 10.6 in | |
| October | 51°F (10°C) | 7.0 in | |
| November | 42°F (5°C) | 3.4 in | |
| December | 33°F (0°C) | 1.6 in | Driest |
Narusawa has a seasonal temperature swing of 40°F / from 27°F in January to 67°F in August. Total annual precipitation is 72.7 inches, with August being the wettest month (11.5") and December the driest (1.6").