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Weather & Climate in Higashiagatsuma, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Higashiagatsuma experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 30°F in January while summers reach 70°F in July. The area gets 237 sunny days per year, above the national average. Annual precipitation totals 54.8 inches (wetter than the 38-inch national average). The area receives 10.9 inches of snow annually. The city sits at an elevation of 1,191 feet.
Temperature
30°F Jan (-1°C)
70°F Jul (21°C)
| Annual Average | 49.8°F |
| 8% below US avg | |
| January Average | 30°F (-1°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 237 days/yr |
Geography
| Elevation | 1,191 ft (363 m) |
| Area | 114.8 sq mi (297.4 km²) |
| Population Density | 116/sq mi |
| Coordinates | 36.5727°N, 138.8264°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
1,007 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.6.
| Apr 11, 2011 | 17 km SSW of Ishikawa, Japan | M6.6 | 148 km | 11 km |
| Jul 16, 2007 | 20 km NNW of Kashiwazaki, Japan | M6.6 | 112 km | 12 km |
| Mar 11, 2011 | 13 km E of Arai, Japan | M6.2 | 63 km | 9 km |
| Mar 15, 2011 | 6 km NNW of Fujinomiya, Japan | M6.0 | 146 km | 9 km |
| Apr 12, 2011 | 8 km WSW of Ishikawa, Japan | M5.9 | 150 km | 11 km |
| Feb 25, 2013 | 29 km NE of Numata, Japan | M5.8 | 48 km | 10 km |
| Apr 16, 2011 | 6 km ENE of Tanuma, Japan | M5.8 | 77 km | 77 km |
| Mar 11, 2011 | eastern Honshu, Japan | M5.7 | 62 km | 12 km |
| Dec 3, 1996 | 35 km SE of Muramatsu, Japan | M5.7 | 117 km | 139 km |
| Mar 19, 2011 | 8 km WNW of Daigo, Japan | M5.7 | 131 km | 6 km |
| Jul 16, 2007 | 16 km NNW of Kashiwazaki, Japan | M5.7 | 108 km | 15 km |
| Nov 9, 2013 | 3 km WSW of Moriya, Japan | M5.6 | 126 km | 64 km |
| Mar 6, 1996 | 13 km NNE of Gotenba, Japan | M5.6 | 128 km | 33 km |
| Mar 15, 2012 | 3 km ENE of ?me, Japan | M5.5 | 95 km | 104 km |
| Jul 15, 2011 | 5 km NE of Sakai, Japan | M5.5 | 104 km | 89 km |
| Apr 11, 2011 | 20 km SSW of Ishikawa, Japan | M5.5 | 144 km | 10 km |
| Sep 29, 2010 | 35 km NNW of Kuroiso, Japan | M5.5 | 121 km | 33 km |
| Feb 15, 2005 | 2 km NNW of Iwatsuki, Japan | M5.5 | 101 km | 46 km |
| Aug 15, 1998 | 22 km WSW of Hotaka, Japan | M5.5 | 111 km | 10 km |
| Dec 21, 1996 | 3 km E of Sugito, Japan | M5.5 | 104 km | 45 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
29 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 | 153 km |
| 2019 | Hagibis | Category 1 | 92 mph | 120 km |
| 2018 | Jebi | Category 1 | 86 mph | 214 km |
| 2018 | Shanshan | Category 1 | 75 mph | 285 km |
| 2018 | Jongdari | Category 1 | 81 mph | 268 km |
| 2016 | Mindulle | Category 1 | 75 mph | 260 km |
| 2014 | Phanfone | Category 1 | 81 mph | 190 km |
| 2011 | Roke | Category 2 | 92 mph | 82 km |
| 2007 | Fitow | Category 1 | 81 mph | 113 km |
| 2005 | Mawar | Category 2 | 81 mph | 162 km |
| 2004 | Ma-on | Category 3 | 92 mph | 139 km |
| 2004 | Chaba | Category 1 | 69 mph | 264 km |
| 2003 | Etau | Category 1 | 52 mph | 260 km |
| 2002 | Higos | Category 2 | 86 mph | 122 km |
| 2001 | Danas | Category 1 | 81 mph | 129 km |
| 2000 | Kirogi | Category 1 | 86 mph | 220 km |
| 1998 | Vicki | Category 2 | 69 mph | 119 km |
| 1998 | Zeb | Category 1 | 58 mph | 279 km |
| 1998 | Stella | Category 1 | 69 mph | 89 km |
| 1996 | Violet | Category 1 | 81 mph | 256 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
9 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 | — | 129 km |
| 2007 | HONSHU: W COAST | Earthquake | — | 15 | 115 km |
| 1855 | TOKAIDO | Earthquake | — | 6,757 | 135 km |
| 1802 | NW. HONSHU ISLAND | Earthquake | — | 19 | 134 km |
| 1751 | NW. HONSHU ISLAND | Eruption + Earthquake | — | 2,100 | 95 km |
| 1614 | NIIGATA PREFECTURE | Earthquake | — | — | 127 km |
| 1448 | SADO, JAPAN | Earthquake | — | — | 117 km |
| 887 | NIIGATA | Earthquake | — | 2,000 | 122 km |
| 863 | NW. HONSHU ISLAND | Eruption + Earthquake | — | — | 94 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km. Closest: Harunasan (11 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Harunasan | Stratovolcano | 1,449 m (4,754 ft) | 550 | 11 km |
| Kusatsu-Shiranesan | Stratovolcano(es) | 2,165 m (7,103 ft) | 2018 | 27 km |
| Shiga | Shield(s) | 2,041 m (6,696 ft) | Unknown | 30 km |
| Akagisan | Stratovolcano | 1,828 m (5,997 ft) | Unknown | 33 km |
| Asamayama | Complex | 2,568 m (8,425 ft) | 2019 | 33 km |
| Nikko-Shiranesan | Shield | 2,578 m (8,458 ft) | 1952 | 55 km |
| Hiuchigatake | Stratovolcano | 2,356 m (7,730 ft) | 1544 | 59 km |
| Nantaisan | Stratovolcano | 2,486 m (8,156 ft) | -9540 | 63 km |
| Omanago Group | Lava dome(s) | 2,341 m (7,680 ft) | -3050 | 66 km |
| Yokodake | Stratovolcano(es) | 2,480 m (8,136 ft) | 1200 | 71 km |
| Myokosan | Stratovolcano | 2,454 m (8,051 ft) | -750 | 73 km |
| Niigata-Yakeyama | Lava dome | 2,400 m (7,874 ft) | 1998 | 80 km |
| Takaharayama | Stratovolcano | 1,795 m (5,889 ft) | -4570 | 92 km |
| Midagahara | Stratovolcano | 2,621 m (8,599 ft) | 1839 | 110 km |
| Washiba-Kumonotaira | Shield(s) | 2,924 m (9,593 ft) | Unknown | 112 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 2.8 in | Coldest |
| February | 30°F (-1°C) | 2.9 in | |
| March | 35°F (2°C) | 3.0 in | |
| April | 47°F (8°C) | 3.5 in | |
| May | 56°F (13°C) | 4.2 in | |
| June | 63°F (17°C) | 6.7 in | |
| July | 70°F (21°C) | 7.4 in | |
| August | 73°F (23°C) | 7.1 in | Warmest |
| September | 64°F (18°C) | 7.5 in | Wettest |
| October | 53°F (12°C) | 4.7 in | |
| November | 43°F (6°C) | 2.7 in | |
| December | 35°F (2°C) | 2.2 in | Driest |
Higashiagatsuma has a seasonal temperature swing of 43°F / from 30°F in January to 73°F in August. Total annual precipitation is 54.8 inches, with September being the wettest month (7.5") and December the driest (2.2").