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Sawara, Japan

Full City Profile

4.2 /5.0
A Great
47,199 Population 1,020/sq mi density
26 ft Elevation 8 meters
58°F Avg Temperature 14°C
A
Overall
4.2 / 5.0
Strong
B
Economy
3.3 / 5.0
$35,400 median income, 2.5% unemployment
A+
Affordability
5.0 / 5.0
$102,000 home value, $510/mo rent
Sawara enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 39°F in January while summers reach 74°F in July. The area gets 234 sunny days per year. Annual precipitation totals 56.1 inches. The area receives 0.0 inches of snow annually.

Temperature

39°F Jan (4°C) 74°F Jul (23°C)
Annual Average57.8°F
7% above US avg
January Average39°F (4°C)
July Average74°F (23°C)
Sunny Days234 days/yr

Geography

Elevation26 ft (8 m)
Area46.3 sq mi (119.9 km²)
Population Density1,020/sq mi
Coordinates35.8833°N, 140.5000°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 56.1"
48% above US avg
Snowfall 0.0"
Wettest Month (Sep) 7.60"
Driest Month (Jan) 2.01"

Air Quality

Earthquake History

3,947 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 71 km
May 7, 2008 78 km NE of Hasaki, Japan M6.9 97 km
Apr 11, 2011 17 km SSW of Ishikawa, Japan M6.6 125 km
Mar 11, 2011 81 km NE of Hasaki, Japan M6.5 101 km
Mar 11, 2011 115 km ENE of Hasaki, Japan M6.5 142 km
Mar 11, 2011 108 km ESE of Kitaibaraki, Japan M6.4 137 km
Jul 30, 2011 13 km SSE of Iwaki, Japan M6.3 125 km
Mar 11, 2011 92 km ENE of Hasaki, Japan M6.3 118 km
Jun 1, 1990 near the east coast of Honshu, Japan M6.3 43 km
Mar 11, 2011 near the east coast of Honshu, Japan M6.3 142 km
Mar 11, 2011 70 km ESE of Kitaibaraki, Japan M6.2 117 km
May 7, 2008 80 km NE of Hasaki, Japan M6.2 100 km
Apr 11, 2011 23 km SE of T?gane, Japan M6.2 52 km
Sep 11, 1996 23 km SSE of Hasaki, Japan M6.2 56 km
Jun 3, 2000 6 km SE of Narut?, Japan M6.2 37 km
Apr 21, 2011 6 km WNW of T?gane, Japan M6.2 38 km
Mar 13, 2011 72 km E of Hasaki, Japan M6.1 104 km
May 26, 2023 12 km SE of Narutō, Japan M6.1 39 km
Aug 5, 1990 43 km E of ?arai, Japan M6.1 70 km
Jun 5, 2012 75 km ESE of ?hara, Japan M6.1 119 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year Name Category Closest
2025 Nakri Category 1 280 km
2024 Ampil Category 3 168 km
2024 Jebi Category 1 189 km
2021 Mindulle Category 1 262 km
2019 Faxai Category 3 20 km
2019 Hagibis Category 2 104 km
2018 Jongdari Category 2 232 km
2018 Shanshan Category 1 132 km
2016 Mindulle Category 1 198 km
2016 Lionrock Category 1 189 km
2014 Phanfone Category 1 220 km
2011 Roke Category 1 117 km
2009 Krovanh Category 1 271 km
2007 Fitow Category 1 122 km
2005 Saola Category 2 241 km
2005 Mawar Category 2 27 km
2004 Ma-on Category 3 71 km
2003 Choi-wan Category 3 260 km
2002 Higos Category 2 54 km
2002 Phanfone Category 1 291 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

20 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 105,385 126 km
1703 OFF SW BOSO PENINSULA Earthquake 11.7 m 5,233 146 km
1677 OFF SE. BOSO PENINSULA Earthquake 8.0 m 500 134 km
1495 KAMAKURA, SAGAMI BAY, TOKAIDO Earthquake 5.0 m 200 126 km
1732 KUJUKURI BEACH, JAPAN Earthquake 2.0 m 81 km
1670 BOSO, JAPAN Earthquake 2.0 m 62 km
1433 OFF IZU-OSHIMA Earthquake 2.0 m 142 km
1938 JAPAN TRENCH Earthquake 0.8 m 122 km
1982 IBARAKI, JAPAN Earthquake 0.4 m 114 km
1961 KASHIMA, JAPAN Earthquake 0.4 m 127 km
1961 KASHIMA, JAPAN Earthquake 0.4 m 131 km
1923 KASHIMA, JAPAN Earthquake 0.4 m 129 km
1923 RYUKYU ISLANDS Earthquake 0.3 m 113 km
1896 KASHIMA, JAPAN Earthquake 0.3 m 82 km
1935 JAPAN Earthquake 0.2 m 113 km
1855 TOKAIDO Earthquake 6,757 68 km
1782 ODAWARA, SAGAMI BAY Eruption + Earthquake 113 km
1642 BOSO, JAPAN Earthquake 77 km
1633 SAGAMI BAY Earthquake 150 140 km
1602 BOSO, JAPAN Eruption + Earthquake 87 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

15 volcanoes within 200 km. Closest: Takaharayama (130 km).

Name Type Elevation Last Eruption Distance
Takaharayama Stratovolcano 1,795 m (5,889 ft) -4570 130 km
Nantaisan Stratovolcano 2,486 m (8,156 ft) -9540 133 km
Omanago Group Lava dome(s) 2,341 m (7,680 ft) -3050 135 km
Akagisan Stratovolcano 1,828 m (5,997 ft) Unknown 139 km
Nikko-Shiranesan Shield 2,578 m (8,458 ft) 1952 143 km
Nasudake Stratovolcano(es) 1,915 m (6,283 ft) 1963 146 km
Hakoneyama Complex 1,438 m (4,718 ft) 2015 152 km
Hiuchigatake Stratovolcano 2,356 m (7,730 ft) 1544 161 km
Harunasan Stratovolcano 1,449 m (4,754 ft) 550 162 km
Izu-Oshima Stratovolcano 758 m (2,487 ft) 1990 163 km
Izu-Tobu Pyroclastic cone(s) 1,406 m (4,613 ft) 1989 168 km
Fujisan Stratovolcano 3,776 m (12,388 ft) 1708 170 km
Asamayama Complex 2,568 m (8,425 ft) 2019 187 km
Toshima Stratovolcano 508 m (1,667 ft) -4550 188 km
Numazawa Shield 835 m (2,740 ft) -3400 193 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 39°F (4°C) 2.0 in Coldest, Driest
February 40°F (4°C) 2.9 in
March 46°F (8°C) 4.2 in
April 55°F (13°C) 4.7 in
May 63°F (17°C) 4.8 in
June 68°F (20°C) 6.4 in
July 74°F (23°C) 5.2 in
August 78°F (25°C) 4.9 in Warmest
September 72°F (22°C) 7.6 in Wettest
October 63°F (17°C) 7.3 in
November 53°F (12°C) 3.9 in
December 43°F (6°C) 2.1 in

Sawara has a seasonal temperature swing of 39°F / from 39°F in January to 78°F in August. Total annual precipitation is 56.1 inches, with September being the wettest month (7.6") and January the driest (2.0").

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