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Iwado, Japan

Full City Profile

4.1 /5.0
A Great
1,611 Population 16/sq mi density
1,785 ft Elevation 544 meters
53°F Avg Temperature 12°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
Iwado experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 33°F in January while summers reach 73°F in July. The area gets 251 sunny days per year. Annual precipitation totals 47.1 inches. The area receives 3.8 inches of snow annually.

Temperature

33°F Jan (1°C) 73°F Jul (23°C)
Annual Average52.9°F
2% below US avg
January Average33°F (1°C)
July Average73°F (23°C)
Sunny Days251 days/yr

Geography

Elevation1,785 ft (544 m)
Area101.1 sq mi (261.7 km²)
Population Density16/sq mi
Coordinates36.1667°N, 138.7333°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 47.1"
24% above US avg
Snowfall 3.8"
Wettest Month (Sep) 6.97"
Driest Month (Dec) 1.34"

Air Quality

Earthquake History

1,114 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.2. Most recent: M4.1 on Aug 23, 2025.

Mar 11, 2011 13 km E of Arai, Japan M6.2 100 km
Mar 15, 2011 6 km NNW of Fujinomiya, Japan M6.0 100 km
Jul 23, 2005 9 km WSW of Ichihara, Japan M5.9 135 km
Jan 15, 2007 15 km WSW of Heda, Japan M5.9 142 km
Feb 1, 1992 4 km SSE of Miura, Japan M5.8 144 km
Feb 25, 2013 29 km NE of Numata, Japan M5.8 88 km
Apr 16, 2011 6 km ENE of Tanuma, Japan M5.8 86 km
Mar 11, 2011 eastern Honshu, Japan M5.7 95 km
May 3, 1998 14 km SW of It?, Japan M5.6 146 km
Mar 4, 1997 9 km SSW of It?, Japan M5.6 144 km
Mar 6, 1996 13 km NNE of Gotenba, Japan M5.6 85 km
Nov 9, 2013 3 km WSW of Moriya, Japan M5.6 114 km
Jul 15, 2011 5 km NE of Sakai, Japan M5.5 100 km
Dec 21, 1996 3 km E of Sugito, Japan M5.5 94 km
Nov 16, 2013 3 km E of Chiba, Japan M5.5 142 km
Mar 15, 2012 3 km ENE of ?me, Japan M5.5 64 km
Feb 15, 2005 2 km NNW of Iwatsuki, Japan M5.5 88 km
Aug 15, 1998 22 km WSW of Hotaka, Japan M5.5 98 km
Apr 11, 2011 8 km WSW of Iiyama, Japan M5.5 82 km
Aug 28, 1998 14 km E of Kawasaki, Japan M5.4 126 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

31 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 3. Most recent: Faxai (2019).

Year Name Category Closest
2019 Faxai Category 3 129 km
2019 Hagibis Category 2 87 km
2018 Jebi Category 1 228 km
2018 Shanshan Category 1 263 km
2018 Jongdari Category 1 222 km
2016 Mindulle Category 1 219 km
2014 Phanfone Category 1 144 km
2011 Roke Category 2 51 km
2007 Fitow Category 1 76 km
2005 Mawar Category 2 135 km
2004 Ma-on Category 3 115 km
2004 Chaba Category 1 274 km
2003 Etau Category 1 237 km
2002 Higos Category 2 109 km
2001 Danas Category 1 113 km
2000 Kirogi Category 1 202 km
1998 Vicki Category 2 125 km
1998 Zeb Category 1 274 km
1998 Stella Category 1 87 km
1996 Violet Category 1 235 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 105,385 137 km
1495 KAMAKURA, SAGAMI BAY, TOKAIDO Earthquake 5.0 m 200 137 km
1855 TOKAIDO Earthquake 6,757 112 km
1782 ODAWARA, SAGAMI BAY Eruption + Earthquake 147 km
1751 NW. HONSHU ISLAND Eruption + Earthquake 2,100 128 km
1633 SAGAMI BAY Earthquake 150 116 km
1257 SAGAMI BAY, JAPAN Earthquake 128 km
1241 KAMAKURA, SAGAMI BAY Earthquake 123 km
863 NW. HONSHU ISLAND Eruption + Earthquake 123 km
818 TOKAIDO Eruption + Earthquake 119 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

15 volcanoes within 200 km. Closest: Asamayama (33 km).

Name Type Elevation Last Eruption Distance
Asamayama Complex 2,568 m (8,425 ft) 2019 33 km
Harunasan Stratovolcano 1,449 m (4,754 ft) 550 36 km
Yokodake Stratovolcano(es) 2,480 m (8,136 ft) 1200 38 km
Kusatsu-Shiranesan Stratovolcano(es) 2,165 m (7,103 ft) 2018 53 km
Akagisan Stratovolcano 1,828 m (5,997 ft) Unknown 60 km
Shiga Shield(s) 2,041 m (6,696 ft) Unknown 61 km
Fujisan Stratovolcano 3,776 m (12,388 ft) 1708 90 km
Nikko-Shiranesan Shield 2,578 m (8,458 ft) 1952 91 km
Nantaisan Stratovolcano 2,486 m (8,156 ft) -9540 95 km
Myokosan Stratovolcano 2,454 m (8,051 ft) -750 98 km
Omanago Group Lava dome(s) 2,341 m (7,680 ft) -3050 98 km
Hiuchigatake Stratovolcano 2,356 m (7,730 ft) 1544 101 km
Yakedake Stratovolcano(es) 2,455 m (8,054 ft) 1995 103 km
Niigata-Yakeyama Lava dome 2,400 m (7,874 ft) 1998 105 km
Washiba-Kumonotaira Shield(s) 2,924 m (9,593 ft) Unknown 106 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 33°F (1°C) 1.7 in Coldest
February 34°F (1°C) 2.1 in
March 39°F (4°C) 2.6 in
April 50°F (10°C) 3.2 in
May 59°F (15°C) 3.8 in
June 66°F (19°C) 6.3 in
July 73°F (23°C) 6.1 in
August 75°F (24°C) 6.3 in Warmest
September 67°F (19°C) 7.0 in Wettest
October 56°F (13°C) 4.5 in
November 46°F (8°C) 2.2 in
December 38°F (3°C) 1.3 in Driest

Iwado has a seasonal temperature swing of 42°F / from 33°F in January to 75°F in August. Total annual precipitation is 47.1 inches, with September being the wettest month (7.0") and December the driest (1.3").

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