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Weather & Climate in Ushiku, Japan

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Ushiku enjoys a temperate climate with an average annual temperature of 62°F (16°C). Winters average 39°F in January while summers reach 82°F in July. The area gets 294 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 51.7 inches (wetter than the 38-inch national average). The area receives 1.3 inches of snow annually. The city sits at an elevation of 85 feet.

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

Elevation85 ft (26 m)
Area22.8 sq mi (58.9 km²)
Population Density3,721/sq mi
Coordinates35.9667°N, 140.1333°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 51.7"
36% above US avg
Snowfall 1.3"
Wettest Month (Sep) 7.32"
Driest Month (Jan) 1.54"

Air Quality

Earthquake History

3,341 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.9.

Mar 11, 2011 47 km E of ?arai, Japan M7.9 95 km 43 km
May 7, 2008 78 km NE of Hasaki, Japan M6.9 127 km 27 km
Apr 11, 2011 17 km SSW of Ishikawa, Japan M6.6 118 km 11 km
Mar 11, 2011 81 km NE of Hasaki, Japan M6.5 130 km 7 km
Jul 30, 2011 13 km SSE of Iwaki, Japan M6.3 131 km 38 km
Jun 1, 1990 near the east coast of Honshu, Japan M6.3 53 km 67 km
Apr 21, 2011 6 km WNW of T?gane, Japan M6.2 46 km 43 km
May 7, 2008 80 km NE of Hasaki, Japan M6.2 129 km 19 km
Mar 11, 2011 70 km ESE of Kitaibaraki, Japan M6.2 139 km 40 km
Sep 11, 1996 23 km SSE of Hasaki, Japan M6.2 87 km 55 km
Apr 11, 2011 23 km SE of T?gane, Japan M6.2 73 km 15 km
Jun 3, 2000 6 km SE of Narut?, Japan M6.2 55 km 62 km
Jun 5, 2012 75 km ESE of ?hara, Japan M6.1 145 km 15 km
Mar 13, 2011 72 km E of Hasaki, Japan M6.1 138 km 8 km
Sep 15, 2011 68 km E of ?arai, Japan M6.1 113 km 28 km
May 7, 2008 95 km ENE of Hasaki, Japan M6.1 147 km 23 km
May 26, 2023 12 km SE of Narutō, Japan M6.1 60 km 42 km
Aug 5, 1990 43 km E of ?arai, Japan M6.1 93 km 27 km
Aug 6, 1991 19 km E of Hasaki, Japan M6.0 86 km 29 km
Jan 9, 1995 48 km ENE of Hasaki, Japan M6.0 109 km 33 km
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.

Hurricane History

36 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.

Year Name Category Max Wind Closest
2024 Ampil Category 3 98 mph 200 km
2024 Jebi Category 1 75 mph 222 km
2021 Mindulle Category 1 86 mph 296 km
2019 Faxai Category 3 98 mph 24 km
2019 Hagibis Category 2 92 mph 78 km
2018 Shanshan Category 1 81 mph 157 km
2018 Jongdari Category 1 81 mph 229 km
2016 Mindulle Category 1 75 mph 194 km
2016 Lionrock Category 1 81 mph 222 km
2014 Phanfone Category 1 75 mph 197 km
2011 Roke Category 2 92 mph 84 km
2009 Krovanh Category 1 69 mph 275 km
2007 Fitow Category 1 81 mph 94 km
2005 Saola Category 2 86 mph 266 km
2005 Mawar Category 2 81 mph 33 km
2004 Ma-on Category 3 92 mph 51 km
2003 Choi-wan Category 3 81 mph 285 km
2002 Higos Category 2 86 mph 22 km
2001 Vipa Category 1 63 mph 263 km
2001 Danas Category 1 81 mph 28 km
Source: NOAA IBTrACS (Category 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 105,385 112 km
1703 OFF SW BOSO PENINSULA Earthquake 11.7 m 5,233 144 km
1495 KAMAKURA, SAGAMI BAY, TOKAIDO Earthquake 5.0 m 200 112 km
1732 KUJUKURI BEACH, JAPAN Earthquake 2.0 m - 104 km
1670 BOSO, JAPAN Earthquake 2.0 m - 94 km
1433 OFF IZU-OSHIMA Earthquake 2.0 m - 132 km
1938 JAPAN TRENCH Earthquake 0.8 m - 140 km
1982 IBARAKI, JAPAN Earthquake 0.4 m - 143 km
1923 RYUKYU ISLANDS Earthquake 0.3 m - 119 km
1896 KASHIMA, JAPAN Earthquake 0.3 m - 98 km
1935 JAPAN Earthquake 0.2 m - 134 km
1855 TOKAIDO Earthquake - 6,757 46 km
1782 ODAWARA, SAGAMI BAY Eruption + Earthquake - - 104 km
1642 BOSO, JAPAN Earthquake - - 95 km
1633 SAGAMI BAY Earthquake - 150 120 km
1602 BOSO, JAPAN Eruption + Earthquake - - 102 km
1257 SAGAMI BAY, JAPAN Earthquake - - 103 km
1241 KAMAKURA, SAGAMI BAY Earthquake - - 108 km
818 TOKAIDO Eruption + Earthquake - - 114 km
Source: NOAA/NCEI Historical Tsunami Database.

Nearby Volcanoes

15 volcanoes within 200 km. Closest: Nantaisan (106 km).

Name Type Elevation Last Eruption Distance
Nantaisan Stratovolcano 2,486 m (8,156 ft) -9540 106 km
Akagisan Stratovolcano 1,828 m (5,997 ft) Unknown 107 km
Omanago Group Lava dome(s) 2,341 m (7,680 ft) -3050 108 km
Takaharayama Stratovolcano 1,795 m (5,889 ft) -4570 109 km
Nikko-Shiranesan Shield 2,578 m (8,458 ft) 1952 115 km
Harunasan Stratovolcano 1,449 m (4,754 ft) 550 128 km
Hakoneyama Complex 1,438 m (4,718 ft) 2015 130 km
Nasudake Stratovolcano(es) 1,915 m (6,283 ft) 1963 130 km
Hiuchigatake Stratovolcano 2,356 m (7,730 ft) 1544 134 km
Fujisan Stratovolcano 3,776 m (12,388 ft) 1708 144 km
Izu-Tobu Pyroclastic cone(s) 1,406 m (4,613 ft) 1989 151 km
Asamayama Complex 2,568 m (8,425 ft) 2019 153 km
Izu-Oshima Stratovolcano 758 m (2,487 ft) 1990 154 km
Kusatsu-Shiranesan Stratovolcano(es) 2,165 m (7,103 ft) 2018 161 km
Yokodake Stratovolcano(es) 2,480 m (8,136 ft) 1200 164 km
Source: Smithsonian Institution Global Volcanism Program (GVP).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 39°F (4°C) 1.5 in Coldest, Driest
February 40°F (5°C) 2.3 in
March 46°F (8°C) 3.6 in
April 56°F (13°C) 4.5 in
May 64°F (18°C) 4.6 in
June 69°F (21°C) 6.1 in
July 82°F (28°C) 5.2 in Warmest
August 79°F (26°C) 5.2 in
September 72°F (22°C) 7.3 in Wettest
October 62°F (17°C) 6.7 in
November 52°F (11°C) 3.3 in
December 43°F (6°C) 1.7 in

Ushiku has a seasonal temperature swing of 43°F / from 39°F in January to 82°F in July. Total annual precipitation is 52.0 inches, with September being the wettest month (7.3") and January the driest (1.5").

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