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Weather & Climate in Kamiikusaka, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Kamiikusaka experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 29°F in January while summers reach 72°F in July. The area gets 253 sunny days per year, above the national average. Annual precipitation totals 45.5 inches. The area receives 5.7 inches of snow annually. The city sits at an elevation of 1,821 feet.
Temperature
29°F Jan (-2°C)
72°F Jul (22°C)
| Annual Average | 51.1°F |
| 5% below US avg | |
| January Average | 29°F (-2°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 253 days/yr |
Geography
| Elevation | 1,821 ft (555 m) |
| Area | 15.5 sq mi (40.2 km²) |
| Population Density | 106/sq mi |
| Coordinates | 36.4167°N, 137.9333°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
702 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.5.
| Jan 1, 2024 | 2024 Noto Peninsula, Japan Earthquake | M7.5 | 133 km | 10 km |
| Jul 16, 2007 | 20 km NNW of Kashiwazaki, Japan | M6.6 | 132 km | 12 km |
| Feb 7, 1993 | 69 km NNE of Nanao, Japan | M6.6 | 149 km | 11 km |
| Mar 11, 2011 | 13 km E of Arai, Japan | M6.2 | 77 km | 9 km |
| May 5, 2023 | 49 km NE of Anamizu, Japan | M6.2 | 138 km | 10 km |
| Jan 1, 2024 | 8 km SW of Anamizu, Japan | M6.2 | 131 km | 10 km |
| Mar 15, 2011 | 6 km NNW of Fujinomiya, Japan | M6.0 | 140 km | 9 km |
| Feb 25, 2013 | 29 km NE of Numata, Japan | M5.8 | 126 km | 10 km |
| Jan 1, 2024 | 42 km NE of Anamizu, Japan | M5.8 | 134 km | 10 km |
| Mar 11, 2011 | eastern Honshu, Japan | M5.7 | 67 km | 12 km |
| Jul 16, 2007 | 16 km NNW of Kashiwazaki, Japan | M5.7 | 130 km | 15 km |
| Jun 2, 2024 | 40 km NE of Anamizu, Japan | M5.7 | 129 km | 9 km |
| Jan 1, 2024 | 54 km NE of Anamizu, Japan | M5.6 | 131 km | 10 km |
| May 5, 2023 | 43 km NE of Anamizu, Japan | M5.6 | 133 km | 10 km |
| Mar 6, 1996 | 13 km NNE of Gotenba, Japan | M5.6 | 145 km | 33 km |
| Jan 1, 2024 | 7 km N of Anamizu, Japan | M5.6 | 135 km | 10 km |
| Jan 1, 2024 | 56 km NE of Anamizu, Japan | M5.5 | 132 km | 10 km |
| Mar 15, 2012 | 3 km ENE of ?me, Japan | M5.5 | 139 km | 104 km |
| Aug 15, 1998 | 22 km WSW of Hotaka, Japan | M5.5 | 31 km | 10 km |
| Apr 11, 2011 | 8 km WSW of Iiyama, Japan | M5.5 | 54 km | 17 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
30 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 | 202 km |
| 2019 | Hagibis | Category 1 | 92 mph | 160 km |
| 2018 | Jebi | Category 2 | 98 mph | 154 km |
| 2018 | Jongdari | Category 1 | 81 mph | 226 km |
| 2016 | Mindulle | Category 1 | 75 mph | 275 km |
| 2014 | Phanfone | Category 1 | 81 mph | 174 km |
| 2011 | Roke | Category 2 | 92 mph | 127 km |
| 2009 | Melor | Category 1 | 86 mph | 295 km |
| 2007 | Fitow | Category 1 | 81 mph | 146 km |
| 2005 | Mawar | Category 2 | 81 mph | 204 km |
| 2004 | Ma-on | Category 3 | 92 mph | 183 km |
| 2004 | Chaba | Category 1 | 69 mph | 198 km |
| 2003 | Etau | Category 1 | 58 mph | 180 km |
| 2002 | Higos | Category 2 | 86 mph | 186 km |
| 2001 | Danas | Category 1 | 81 mph | 190 km |
| 2000 | Kirogi | Category 1 | 86 mph | 279 km |
| 1998 | Vicki | Category 2 | 86 mph | 50 km |
| 1998 | Zeb | Category 1 | 58 mph | 200 km |
| 1998 | Stella | Category 1 | 69 mph | 160 km |
| 1996 | Kirk | Category 1 | 63 mph | 156 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
13 tsunamis recorded within 500 km. Highest wave on record: 11.3 m (37 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2024 | HONSHU: W COAST | Eruption + Earthquake | 11.3 m | 549 | 133 km |
| 1993 | HONSHU ISLAND | Earthquake | 0.5 m | — | 149 km |
| 1987 | HONSHU ISLAND | Earthquake | 0.2 m | — | 115 km |
| 2023 | NOTO PENINSULA, JAPAN | Earthquake | 0.1 m | 1 | 137 km |
| 2007 | HONSHU: W COAST | Earthquake | — | 15 | 137 km |
| 1892 | SW. HONSHU ISLAND | Earthquake | — | 1 | 120 km |
| 1802 | NW. HONSHU ISLAND | Earthquake | — | 19 | 146 km |
| 1799 | SW. HONSHU ISLAND | Earthquake | — | — | 121 km |
| 1751 | NW. HONSHU ISLAND | Eruption + Earthquake | — | 2,100 | 88 km |
| 1614 | NIIGATA PREFECTURE | Earthquake | — | — | 121 km |
| 1448 | SADO, JAPAN | Earthquake | — | — | 123 km |
| 887 | NIIGATA | Earthquake | — | 2,000 | 121 km |
| 863 | NW. HONSHU ISLAND | Eruption + Earthquake | — | — | 76 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km. Closest: Washiba-Kumonotaira (30 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Washiba-Kumonotaira | Shield(s) | 2,924 m (9,593 ft) | Unknown | 30 km |
| Midagahara | Stratovolcano | 2,621 m (8,599 ft) | 1839 | 35 km |
| Yakedake | Stratovolcano(es) | 2,455 m (8,054 ft) | 1995 | 38 km |
| Norikuradake | Stratovolcano(es) | 3,026 m (9,928 ft) | -50 | 49 km |
| Yokodake | Stratovolcano(es) | 2,480 m (8,136 ft) | 1200 | 51 km |
| Asamayama | Complex | 2,568 m (8,425 ft) | 2019 | 53 km |
| Myokosan | Stratovolcano | 2,454 m (8,051 ft) | -750 | 55 km |
| Niigata-Yakeyama | Lava dome | 2,400 m (7,874 ft) | 1998 | 57 km |
| Kusatsu-Shiranesan | Stratovolcano(es) | 2,165 m (7,103 ft) | 2018 | 58 km |
| Shiga | Shield(s) | 2,041 m (6,696 ft) | Unknown | 60 km |
| Ontakesan | Complex | 3,067 m (10,062 ft) | 2014 | 71 km |
| Harunasan | Stratovolcano | 1,449 m (4,754 ft) | 550 | 82 km |
| Hakusan | Stratovolcano | 2,702 m (8,865 ft) | 1659 | 108 km |
| Akagisan | Stratovolcano | 1,828 m (5,997 ft) | Unknown | 114 km |
| Hiuchigatake | Stratovolcano | 2,356 m (7,730 ft) | 1544 | 135 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 29°F (-2°C) | 2.0 in | Coldest |
| February | 30°F (-1°C) | 2.1 in | |
| March | 37°F (3°C) | 3.1 in | |
| April | 49°F (10°C) | 3.5 in | |
| May | 58°F (15°C) | 3.9 in | |
| June | 65°F (19°C) | 6.1 in | |
| July | 72°F (22°C) | 5.9 in | |
| August | 75°F (24°C) | 4.2 in | Warmest |
| September | 66°F (19°C) | 6.6 in | Wettest |
| October | 54°F (12°C) | 4.0 in | |
| November | 44°F (7°C) | 2.6 in | |
| December | 34°F (1°C) | 1.6 in | Driest |
Kamiikusaka has a seasonal temperature swing of 45°F / from 29°F in January to 75°F in August. Total annual precipitation is 45.5 inches, with September being the wettest month (6.6") and December the driest (1.6").