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Weather & Climate in Nirasaki, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Nirasaki experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 32°F in January while summers reach 71°F in July. The area gets 245 sunny days per year, above the national average. Annual precipitation totals 50.1 inches (wetter than the 38-inch national average). The area receives 3.2 inches of snow annually. The city sits at an elevation of 1,145 feet.
Temperature
32°F Jan (-0°C)
71°F Jul (22°C)
| Annual Average | 52.0°F |
| 4% below US avg | |
| January Average | 32°F (-0°C) |
| July Average | 71°F (22°C) |
| Sunny Days | 245 days/yr |
Geography
| Elevation | 1,145 ft (349 m) |
| Area | 55.5 sq mi (143.7 km²) |
| Population Density | 531/sq mi |
| Coordinates | 35.7000°N, 138.4500°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
950 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 | 132 km | 14 km |
| Mar 11, 2011 | 13 km E of Arai, Japan | M6.2 | 146 km | 9 km |
| Aug 10, 2009 | 8 km NE of Sagara, Japan | M6.2 | 108 km | 40 km |
| Mar 15, 2011 | 6 km NNW of Fujinomiya, Japan | M6.0 | 49 km | 9 km |
| May 4, 2014 | 31 km ESE of It?, Japan | M6.0 | 124 km | 153 km |
| Jul 23, 2005 | 9 km WSW of Ichihara, Japan | M5.9 | 140 km | 61 km |
| Jan 15, 2007 | 15 km WSW of Heda, Japan | M5.9 | 92 km | 170 km |
| Aug 1, 2011 | 20 km E of ?yama, Japan | M5.9 | 119 km | 13 km |
| Feb 1, 1992 | 4 km SSE of Miura, Japan | M5.8 | 127 km | 100 km |
| Feb 25, 2013 | 29 km NE of Numata, Japan | M5.8 | 146 km | 10 km |
| Apr 16, 2011 | 6 km ENE of Tanuma, Japan | M5.8 | 132 km | 77 km |
| Mar 11, 2011 | eastern Honshu, Japan | M5.7 | 139 km | 12 km |
| Mar 4, 1997 | 9 km SSW of It?, Japan | M5.6 | 105 km | 10 km |
| Mar 16, 1997 | 5 km NE of Toyokawa, Japan | M5.6 | 131 km | 36 km |
| May 3, 1998 | 14 km SW of It?, Japan | M5.6 | 104 km | 34 km |
| Nov 9, 2013 | 3 km WSW of Moriya, Japan | M5.6 | 139 km | 64 km |
| Mar 6, 1996 | 13 km NNE of Gotenba, Japan | M5.6 | 57 km | 33 km |
| Apr 20, 2006 | 16 km SE of It?, Japan | M5.6 | 116 km | 23 km |
| Aug 15, 1998 | 22 km WSW of Hotaka, Japan | M5.5 | 96 km | 10 km |
| Apr 11, 2011 | 8 km WSW of Iiyama, Japan | M5.5 | 124 km | 17 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
37 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2019 | Faxai | Category 4 | 98 mph | 122 km |
| 2019 | Hagibis | Category 2 | 92 mph | 87 km |
| 2018 | Jebi | Category 1 | 86 mph | 243 km |
| 2018 | Shanshan | Category 1 | 75 mph | 261 km |
| 2018 | Jongdari | Category 1 | 81 mph | 167 km |
| 2017 | Lan | Category 1 | 98 mph | 280 km |
| 2016 | Mindulle | Category 1 | 75 mph | 183 km |
| 2014 | Phanfone | Category 1 | 86 mph | 89 km |
| 2011 | Roke | Category 3 | 92 mph | 71 km |
| 2009 | Melor | Category 1 | 86 mph | 253 km |
| 2009 | Krovanh | Category 1 | 69 mph | 278 km |
| 2008 | Sinlaku | Category 1 | 75 mph | 283 km |
| 2007 | Fitow | Category 1 | 81 mph | 69 km |
| 2005 | Mawar | Category 2 | 86 mph | 116 km |
| 2004 | Ma-on | Category 4 | 92 mph | 95 km |
| 2004 | Chaba | Category 1 | 69 mph | 282 km |
| 2003 | Etau | Category 1 | 58 mph | 204 km |
| 2002 | Higos | Category 2 | 86 mph | 118 km |
| 2001 | Danas | Category 1 | 81 mph | 110 km |
| 2000 | Kirogi | Category 1 | 86 mph | 209 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tsunami History
16 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 | 116 km |
| 1495 | KAMAKURA, SAGAMI BAY, TOKAIDO | Earthquake | 5.0 m | 200 | 116 km |
| 1433 | OFF IZU-OSHIMA | Earthquake | 2.0 m | - | 130 km |
| 2009 | HONSHU: S COAST | Earthquake | 0.6 m | 1 | 108 km |
| 1980 | HONSHU ISLAND | Earthquake | 0.6 m | - | 119 km |
| 1978 | TOKAIDO | Earthquake | 0.4 m | 25 | 123 km |
| 1974 | TOKAIDO | Earthquake | 0.2 m | 30 | 124 km |
| 1990 | JAPAN | Earthquake | 0.2 m | - | 132 km |
| 1857 | TOKAIDO | Earthquake | - | - | 101 km |
| 1855 | TOKAIDO | Earthquake | - | 6,757 | 122 km |
| 1782 | ODAWARA, SAGAMI BAY | Eruption + Earthquake | - | - | 132 km |
| 1633 | SAGAMI BAY | Earthquake | - | 150 | 88 km |
| 1589 | SURUGA, JAPAN | Earthquake | - | - | 103 km |
| 1257 | SAGAMI BAY, JAPAN | Earthquake | - | - | 110 km |
| 1241 | KAMAKURA, SAGAMI BAY | Earthquake | - | - | 102 km |
| 818 | TOKAIDO | Eruption + Earthquake | - | - | 95 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km. Closest: Yokodake (45 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Yokodake | Stratovolcano(es) | 2,480 m (8,136 ft) | 1200 | 45 km |
| Fujisan | Stratovolcano | 3,776 m (12,388 ft) | 1708 | 45 km |
| Hakoneyama | Complex | 1,438 m (4,718 ft) | 2015 | 73 km |
| Asamayama | Complex | 2,568 m (8,425 ft) | 2019 | 79 km |
| Ontakesan | Complex | 3,067 m (10,062 ft) | 2014 | 90 km |
| Norikuradake | Stratovolcano(es) | 3,026 m (9,928 ft) | -50 | 93 km |
| Harunasan | Stratovolcano | 1,449 m (4,754 ft) | 550 | 94 km |
| Yakedake | Stratovolcano(es) | 2,455 m (8,054 ft) | 1995 | 97 km |
| Kusatsu-Shiranesan | Stratovolcano(es) | 2,165 m (7,103 ft) | 2018 | 102 km |
| Izu-Tobu | Pyroclastic cone(s) | 1,406 m (4,613 ft) | 1989 | 107 km |
| Shiga | Shield(s) | 2,041 m (6,696 ft) | Unknown | 110 km |
| Washiba-Kumonotaira | Shield(s) | 2,924 m (9,593 ft) | Unknown | 110 km |
| Akagisan | Stratovolcano | 1,828 m (5,997 ft) | Unknown | 117 km |
| Midagahara | Stratovolcano | 2,621 m (8,599 ft) | 1839 | 124 km |
| Myokosan | Stratovolcano | 2,454 m (8,051 ft) | -750 | 136 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 32°F (-0°C) | 1.3 in | Coldest |
| February | 33°F (0°C) | 1.9 in | |
| March | 39°F (4°C) | 3.3 in | |
| April | 50°F (10°C) | 4.1 in | |
| May | 58°F (15°C) | 4.4 in | |
| June | 65°F (18°C) | 7.1 in | |
| July | 71°F (22°C) | 6.1 in | |
| August | 73°F (23°C) | 6.6 in | Warmest |
| September | 66°F (19°C) | 7.4 in | Wettest |
| October | 55°F (13°C) | 4.7 in | |
| November | 46°F (8°C) | 2.3 in | |
| December | 37°F (3°C) | 1.1 in | Driest |
Nirasaki has a seasonal temperature swing of 42°F / from 32°F in January to 73°F in August. Total annual precipitation is 50.1 inches, with September being the wettest month (7.4") and December the driest (1.1").