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Saikū, Japan

Full City Profile

4.2 /5.0
A Great
22,445 Population 245/sq mi density
33 ft Elevation 10 meters
60°F Avg Temperature 16°C
A
Overall
4.2 / 5.0
Strong
B
Economy
3.3 / 5.0
$32,200 median income, 2.1% unemployment
A+
Affordability
5.0 / 5.0
$80,000 home value, $400/mo rent
Saikū enjoys a temperate climate with an average annual temperature of 60°F (16°C). Winters average 41°F in January while summers reach 79°F in July. The area gets 198 sunny days per year. Annual precipitation totals 76.0 inches. The area receives 0.0 inches of snow annually.

Temperature

41°F Jan (5°C) 79°F Jul (26°C)
Annual Average60.1°F
11% above US avg
January Average41°F (5°C)
July Average79°F (26°C)
Sunny Days198 days/yr

Geography

Elevation33 ft (10 m)
Area91.8 sq mi (237.7 km²)
Population Density245/sq mi
Coordinates34.5333°N, 136.6333°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 76.0"
100% above US avg
Snowfall 0.0"
Wettest Month (Sep) 11.06"
Driest Month (Jan) 2.17"

Air Quality

Earthquake History

621 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.9. Most recent: M4.1 on Aug 24, 2025.

Jan 16, 1995 8 km S of Akashi, Japan M6.9 148 km
Jul 7, 1995 62 km SSE of Toba, Japan M6.0 77 km
Apr 1, 2016 54 km SE of Shing?, Japan M5.9 130 km
Jun 1, 1998 17 km SW of Owase, Japan M5.8 83 km
May 23, 1997 38 km SSE of Tahara, Japan M5.8 80 km
Feb 26, 2025 38 km ESE of Shingū, Japan M5.8 106 km
Aug 20, 1999 22 km SE of Kainan, Japan M5.7 126 km
Sep 5, 2004 93 km SE of Shing?, Japan M5.7 144 km
Nov 18, 2013 25 km SE of Toba, Japan M5.6 44 km
Mar 16, 1997 5 km NE of Toyokawa, Japan M5.6 82 km
Oct 18, 1996 102 km SSE of Toba, Japan M5.6 118 km
Aug 1, 2007 42 km ESE of Owase, Japan M5.5 70 km
Jun 17, 2018 near the south coast of western Honshu, Japan M5.5 97 km
Jan 18, 2003 67 km SSE of Toba, Japan M5.5 83 km
Oct 30, 2000 western Honshu, Japan M5.5 46 km
Apr 3, 2001 10 km NE of Mori, Japan M5.4 133 km
Jan 6, 2004 36 km S of Ise, Japan M5.3 42 km
May 9, 2022 7 km NE of Toba, Japan M5.3 24 km
Jan 15, 2021 76 km SSE of Toba, Japan M5.2 91 km
Mar 4, 2006 100 km SSE of Toba, Japan M5.2 116 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

52 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 4. Most recent: Nakri (2025).

Year Name Category Closest
2025 Nakri Category 1 299 km
2023 Lan Category 2 126 km
2019 Faxai Category 4 223 km
2019 Hagibis Category 2 171 km
2018 Jebi Category 3 143 km
2018 Trami Category 1 132 km
2018 Cimaron Category 1 177 km
2018 Jongdari Category 1 43 km
2017 Lan Category 2 136 km
2017 Noru Category 1 153 km
2016 Mindulle Category 1 264 km
2015 Nangka Category 1 275 km
2014 Phanfone Category 2 71 km
2013 Wipha Category 1 278 km
2012 Jelawat Category 1 268 km
2011 Roke Category 3 72 km
2011 Ma-on Category 1 214 km
2010 Chaba Category 1 250 km
2009 Melor Category 1 59 km
2008 Sinlaku Category 1 118 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

20 tsunamis recorded within 500 km. Highest wave on record: 21.0 m (69 ft).

Year Location Cause Max Wave Deaths Distance
1854 ENSHUNADA SEA Earthquake 21.0 m 1,000 131 km
1707 ENSHUNADA Earthquake 11.0 m 2,000 118 km
1944 OFF SOUTHEAST COAST KII PENINSULA Earthquake 10.0 m 1,223 73 km
1498 ENSHUNADA SEA Earthquake 10.0 m 5,000 147 km
1096 ENSHUNADA Earthquake 7.0 m 99 km
1855 ENSHUNADA Earthquake 3.0 m 89 km
1520 KII, KUMANANONADA Earthquake 2.0 m 108 km
1510 OSAKA BAY Earthquake 2.0 m 113 km
1408 KUMANONADA Earthquake 2.0 m 85 km
1403 KUMANONADA Earthquake 2.0 m 94 km
922 KUMANONADA Earthquake 2.0 m 82 km
1909 ANEGAWA, JAPAN Earthquake 1.8 m 41 101 km
1945 TOKAIDO Earthquake 1.0 m 2,306 55 km
1995 KOBE, JAPAN Earthquake 0.3 m 6,434 143 km
1791 OASAKA BAY Earthquake 113 km
1708 TOKAIDO Earthquake 68 km
1666 AICHI PREFECTURE Earthquake 54 km
1589 SURUGA, JAPAN Earthquake 146 km
1586 ISE BAY Earthquake 8,000 54 km
1360 KUMANONADA Earthquake 132 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

3 volcanoes within 200 km. Closest: Ontakesan (170 km).

Name Type Elevation Last Eruption Distance
Ontakesan Complex 3,067 m (10,062 ft) 2014 170 km
Hakusan Stratovolcano 2,702 m (8,865 ft) 1659 181 km
Norikuradake Stratovolcano(es) 3,026 m (9,928 ft) -50 194 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 41°F (5°C) 2.2 in Coldest, Driest
February 42°F (5°C) 3.1 in
March 47°F (8°C) 5.0 in
April 57°F (14°C) 6.8 in
May 65°F (18°C) 6.7 in
June 72°F (22°C) 10.4 in
July 79°F (26°C) 8.9 in
August 81°F (27°C) 8.0 in Warmest
September 74°F (24°C) 11.1 in Wettest
October 64°F (18°C) 7.5 in
November 54°F (12°C) 4.3 in
December 45°F (7°C) 2.2 in

Saikū has a seasonal temperature swing of 39°F / from 41°F in January to 81°F in August. Total annual precipitation is 76.0 inches, with September being the wettest month (11.1") and January the driest (2.2").

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