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Isesaki, Japan

Full City Profile

4.1 /5.0
A Great
211,850 Population 3,474/sq mi density
203 ft Elevation 62 meters
58°F Avg Temperature 15°C
A
Overall
4.1 / 5.0
Strong
B
Economy
3.2 / 5.0
$31,200 median income, 2.3% unemployment
A+
Affordability
5.0 / 5.0
$76,000 home value, $380/mo rent
Isesaki enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 39°F in January while summers reach 77°F in July. The area gets 246 sunny days per year. Annual precipitation totals 49.5 inches. The area receives 0.0 inches of snow annually.

Temperature

39°F Jan (4°C) 77°F Jul (25°C)
Annual Average58.3°F
8% above US avg
January Average39°F (4°C)
July Average77°F (25°C)
Sunny Days246 days/yr

Geography

Elevation203 ft (62 m)
Area61.0 sq mi (158.0 km²)
Population Density3,474/sq mi
Coordinates36.3167°N, 139.2000°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 49.5"
30% above US avg
Snowfall 0.0"
Wettest Month (Sep) 7.36"
Driest Month (Dec) 1.65"

Air Quality

Earthquake History

1,646 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.6. Most recent: M4.2 on Aug 29, 2025.

Apr 11, 2011 17 km SSW of Ishikawa, Japan M6.6 131 km
Jun 1, 1990 near the east coast of Honshu, Japan M6.3 135 km
Jun 3, 2000 6 km SE of Narut?, Japan M6.2 142 km
Mar 11, 2011 13 km E of Arai, Japan M6.2 107 km
Apr 21, 2011 6 km WNW of T?gane, Japan M6.2 129 km
May 26, 2023 12 km SE of Narutō, Japan M6.1 148 km
Mar 15, 2011 6 km NNW of Fujinomiya, Japan M6.0 129 km
Apr 10, 2005 near the east coast of Honshu, Japan M5.9 134 km
Apr 12, 2011 8 km WSW of Ishikawa, Japan M5.9 136 km
Jul 23, 2005 9 km WSW of Ichihara, Japan M5.9 115 km
Feb 1, 1992 4 km SSE of Miura, Japan M5.8 141 km
Apr 16, 2011 6 km ENE of Tanuma, Japan M5.8 41 km
Feb 25, 2013 29 km NE of Numata, Japan M5.8 59 km
Apr 29, 2012 5 km NNW of T?gane, Japan M5.8 131 km
Jun 19, 2005 5 km ENE of Narut?, Japan M5.7 139 km
Mar 11, 2011 eastern Honshu, Japan M5.7 106 km
Mar 19, 2011 8 km WNW of Daigo, Japan M5.7 109 km
Dec 3, 1996 35 km SE of Muramatsu, Japan M5.7 132 km
Mar 16, 2011 6 km ENE of Asahi, Japan M5.7 150 km
Jul 16, 2007 16 km NNW of Kashiwazaki, Japan M5.7 147 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

30 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 3. Most recent: Ampil (2024).

Year Name Category Closest
2024 Ampil Category 3 290 km
2019 Faxai Category 3 111 km
2019 Hagibis Category 2 82 km
2018 Jebi Category 1 256 km
2018 Shanshan Category 1 241 km
2018 Jongdari Category 1 249 km
2016 Mindulle Category 1 226 km
2014 Phanfone Category 1 173 km
2011 Roke Category 2 46 km
2007 Fitow Category 1 80 km
2005 Mawar Category 2 120 km
2004 Ma-on Category 3 96 km
2003 Etau Category 1 282 km
2002 Higos Category 2 78 km
2001 Danas Category 1 85 km
2000 Kirogi Category 1 176 km
1998 Vicki Category 2 158 km
1998 Stella Category 1 47 km
1996 Violet Category 1 212 km
1996 Kirk Category 1 264 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

10 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 105,385 138 km
1495 KAMAKURA, SAGAMI BAY, TOKAIDO Earthquake 5.0 m 200 138 km
1855 TOKAIDO Earthquake 6,757 92 km
1782 ODAWARA, SAGAMI BAY Eruption + Earthquake 143 km
1751 NW. HONSHU ISLAND Eruption + Earthquake 2,100 139 km
1633 SAGAMI BAY Earthquake 150 124 km
1257 SAGAMI BAY, JAPAN Earthquake 127 km
1241 KAMAKURA, SAGAMI BAY Earthquake 126 km
863 NW. HONSHU ISLAND Eruption + Earthquake 138 km
818 TOKAIDO Eruption + Earthquake 125 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

15 volcanoes within 200 km. Closest: Akagisan (27 km).

Name Type Elevation Last Eruption Distance
Akagisan Stratovolcano 1,828 m (5,997 ft) Unknown 27 km
Harunasan Stratovolcano 1,449 m (4,754 ft) 550 36 km
Nikko-Shiranesan Shield 2,578 m (8,458 ft) 1952 56 km
Nantaisan Stratovolcano 2,486 m (8,156 ft) -9540 56 km
Omanago Group Lava dome(s) 2,341 m (7,680 ft) -3050 60 km
Asamayama Complex 2,568 m (8,425 ft) 2019 61 km
Kusatsu-Shiranesan Stratovolcano(es) 2,165 m (7,103 ft) 2018 69 km
Hiuchigatake Stratovolcano 2,356 m (7,730 ft) 1544 71 km
Shiga Shield(s) 2,041 m (6,696 ft) Unknown 74 km
Takaharayama Stratovolcano 1,795 m (5,889 ft) -4570 83 km
Yokodake Stratovolcano(es) 2,480 m (8,136 ft) 1200 83 km
Nasudake Stratovolcano(es) 1,915 m (6,283 ft) 1963 113 km
Fujisan Stratovolcano 3,776 m (12,388 ft) 1708 115 km
Myokosan Stratovolcano 2,454 m (8,051 ft) -750 116 km
Hakoneyama Complex 1,438 m (4,718 ft) 2015 122 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 39°F (4°C) 1.7 in Coldest
February 40°F (4°C) 2.2 in
March 45°F (7°C) 2.7 in
April 56°F (13°C) 3.4 in
May 65°F (18°C) 4.1 in
June 71°F (22°C) 6.3 in
July 77°F (25°C) 5.8 in
August 80°F (27°C) 6.5 in Warmest
September 72°F (22°C) 7.4 in Wettest
October 62°F (16°C) 5.0 in
November 52°F (11°C) 2.6 in
December 43°F (6°C) 1.7 in Driest

Isesaki has a seasonal temperature swing of 41°F / from 39°F in January to 80°F in August. Total annual precipitation is 49.5 inches, with September being the wettest month (7.4") and December the driest (1.7").

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