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Yashio, Japan

Full City Profile

4.2 /5.0
A Great
93,363 Population 13,414/sq mi density
26 ft Elevation 8 meters
62°F Avg Temperature 16°C
A
Overall
4.2 / 5.0
Strong
B
Economy
3.3 / 5.0
$36,200 median income, 2.5% unemployment
A+
Affordability
5.0 / 5.0
$106,000 home value, $530/mo rent
Yashio enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 39°F in January while summers reach 82°F in July. The area gets 294 sunny days per year. Annual precipitation totals 51.7 inches. The area receives 1.3 inches of snow annually.

Temperature

39°F Jan (4°C) 82°F Jul (28°C)
Annual Average61.5°F
14% above US avg
January Average39°F (4°C)
July Average82°F (28°C)
Sunny Days294 days/yr

Geography

Elevation26 ft (8 m)
Area7.0 sq mi (18.0 km²)
Population Density13,414/sq mi
Coordinates35.8226°N, 139.8391°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 51.7"
36% above US avg
Snowfall 1.3"
Wettest Month (Sep) 7.64"
Driest Month (Dec) 1.54"

Air Quality

Earthquake History

2,715 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.9. Most recent: M4.2 on Aug 29, 2025.

Mar 11, 2011 47 km E of ?arai, Japan M7.9 125 km
Apr 11, 2011 17 km SSW of Ishikawa, Japan M6.6 140 km
Feb 20, 1990 28 km E of Shimoda, Japan M6.4 135 km
Jun 1, 1990 near the east coast of Honshu, Japan M6.3 56 km
Apr 21, 2011 6 km WNW of T?gane, Japan M6.2 50 km
Apr 11, 2011 23 km SE of T?gane, Japan M6.2 80 km
Sep 11, 1996 23 km SSE of Hasaki, Japan M6.2 105 km
Jun 3, 2000 6 km SE of Narut?, Japan M6.2 64 km
Aug 5, 1990 43 km E of ?arai, Japan M6.1 123 km
Sep 15, 2011 68 km E of ?arai, Japan M6.1 143 km
May 26, 2023 12 km SE of Narutō, Japan M6.1 70 km
Mar 15, 2011 6 km NNW of Fujinomiya, Japan M6.0 129 km
Mar 14, 2012 5 km SE of Asahi, Japan M6.0 79 km
Jul 20, 2000 31 km ESE of Hitachi, Japan M6.0 128 km
May 4, 2014 31 km ESE of It?, Japan M6.0 108 km
Jan 9, 1995 48 km ENE of Hasaki, Japan M6.0 136 km
Mar 11, 2011 4 km ESE of Hasaki, Japan M6.0 94 km
Apr 3, 2004 37 km ESE of Hitachi, Japan M6.0 125 km
Aug 6, 1991 19 km E of Hasaki, Japan M6.0 109 km
Apr 10, 2005 near the east coast of Honshu, Japan M5.9 56 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

37 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 3. Most recent: Nakri (2025).

Year Name Category Closest
2025 Nakri Category 1 300 km
2024 Ampil Category 3 211 km
2024 Jebi Category 1 243 km
2019 Faxai Category 3 36 km
2019 Hagibis Category 2 47 km
2018 Jongdari Category 2 207 km
2018 Shanshan Category 1 161 km
2016 Mindulle Category 1 172 km
2016 Lionrock Category 1 249 km
2014 Phanfone Category 1 166 km
2011 Roke Category 2 58 km
2009 Krovanh Category 1 258 km
2007 Fitow Category 1 63 km
2005 Saola Category 2 270 km
2005 Mawar Category 2 44 km
2004 Ma-on Category 3 25 km
2003 Choi-wan Category 3 287 km
2002 Higos Category 2 10 km
2002 Phanfone Category 1 300 km
2001 Vipa Category 1 262 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

19 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 86 km
1703 OFF SW BOSO PENINSULA Earthquake 11.7 m 5,233 125 km
1495 KAMAKURA, SAGAMI BAY, TOKAIDO Earthquake 5.0 m 200 86 km
1732 KUJUKURI BEACH, JAPAN Earthquake 2.0 m 111 km
1670 BOSO, JAPAN Earthquake 2.0 m 111 km
1433 OFF IZU-OSHIMA Earthquake 2.0 m 107 km
1980 HONSHU ISLAND Earthquake 0.6 m 128 km
1978 TOKAIDO Earthquake 0.4 m 25 124 km
1923 RYUKYU ISLANDS Earthquake 0.3 m 108 km
1896 KASHIMA, JAPAN Earthquake 0.3 m 129 km
1990 JAPAN Earthquake 0.2 m 135 km
1855 TOKAIDO Earthquake 6,757 20 km
1782 ODAWARA, SAGAMI BAY Eruption + Earthquake 81 km
1642 BOSO, JAPAN Earthquake 98 km
1633 SAGAMI BAY Earthquake 150 90 km
1602 BOSO, JAPAN Eruption + Earthquake 100 km
1257 SAGAMI BAY, JAPAN Earthquake 76 km
1241 KAMAKURA, SAGAMI BAY Earthquake 80 km
818 TOKAIDO Eruption + Earthquake 85 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

15 volcanoes within 200 km. Closest: Hakoneyama (99 km).

Name Type Elevation Last Eruption Distance
Hakoneyama Complex 1,438 m (4,718 ft) 2015 99 km
Akagisan Stratovolcano 1,828 m (5,997 ft) Unknown 100 km
Nantaisan Stratovolcano 2,486 m (8,156 ft) -9540 109 km
Omanago Group Lava dome(s) 2,341 m (7,680 ft) -3050 112 km
Fujisan Stratovolcano 3,776 m (12,388 ft) 1708 113 km
Harunasan Stratovolcano 1,449 m (4,754 ft) 550 115 km
Nikko-Shiranesan Shield 2,578 m (8,458 ft) 1952 116 km
Takaharayama Stratovolcano 1,795 m (5,889 ft) -4570 120 km
Izu-Tobu Pyroclastic cone(s) 1,406 m (4,613 ft) 1989 123 km
Izu-Oshima Stratovolcano 758 m (2,487 ft) 1990 129 km
Asamayama Complex 2,568 m (8,425 ft) 2019 135 km
Hiuchigatake Stratovolcano 2,356 m (7,730 ft) 1544 135 km
Yokodake Stratovolcano(es) 2,480 m (8,136 ft) 1200 140 km
Nasudake Stratovolcano(es) 1,915 m (6,283 ft) 1963 145 km
Kusatsu-Shiranesan Stratovolcano(es) 2,165 m (7,103 ft) 2018 147 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 39°F (4°C) 1.6 in Coldest
February 42°F (5°C) 2.3 in
March 47°F (8°C) 3.9 in
April 57°F (14°C) 4.7 in
May 65°F (18°C) 4.7 in
June 71°F (22°C) 6.5 in
July 82°F (28°C) 5.6 in Warmest
August 80°F (27°C) 5.6 in
September 74°F (23°C) 7.6 in Wettest
October 64°F (18°C) 6.5 in
November 54°F (12°C) 3.4 in
December 45°F (7°C) 1.5 in Driest

Yashio has a seasonal temperature swing of 43°F / from 39°F in January to 82°F in July. Total annual precipitation is 53.8 inches, with September being the wettest month (7.6") and December the driest (1.5").

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