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Saijō, Japan

Full City Profile

4.1 /5.0
A Great
104,791 Population 489/sq mi density
26 ft Elevation 8 meters
57°F Avg Temperature 14°C
A
Overall
4.1 / 5.0
Strong
B
Economy
3.2 / 5.0
$28,200 median income, 2.4% unemployment
A+
Affordability
5.0 / 5.0
$68,000 home value, $340/mo rent
Saijō enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 38°F in January while summers reach 77°F in July. The area gets 202 sunny days per year. Annual precipitation totals 73.7 inches. The area receives 0.0 inches of snow annually.

Temperature

38°F Jan (3°C) 77°F Jul (25°C)
Annual Average57.3°F
6% above US avg
January Average38°F (3°C)
July Average77°F (25°C)
Sunny Days202 days/yr

Geography

Elevation26 ft (8 m)
Area214.1 sq mi (554.6 km²)
Population Density489/sq mi
Coordinates33.9167°N, 133.1833°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 73.7"
94% above US avg
Snowfall 0.0"
Wettest Month (Jun) 11.85"
Driest Month (Dec) 2.05"

Air Quality

Earthquake History

139 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.8. Most recent: M4.5 on Jun 3, 2025.

Mar 24, 2001 16 km SSW of Kure, Japan M6.8 63 km
Mar 13, 2014 32 km SSW of Hikari, Japan M6.3 128 km
Apr 17, 2024 18 km W of Uwajima, Japan M6.3 106 km
Oct 8, 2000 32 km N of Sh?bara, Japan M5.4 137 km
Sep 3, 1997 21 km S of Yasugich?, Japan M5.3 146 km
Mar 25, 2001 22 km WNW of H?j?, Japan M5.2 60 km
Jul 17, 2021 29 km NE of Kitsuki, Japan M5.2 130 km
Apr 2, 1997 34 km WSW of ?zu, Japan M5.1 109 km
Apr 26, 2007 15 km ESE of Niihama, Japan M5.1 25 km
Jan 3, 1991 22 km W of ?zu, Japan M5.0 94 km
Aug 14, 1993 19 km SW of ?zu, Japan M5.0 94 km
Jun 3, 2011 9 km ENE of G?tsuch?, Japan M5.0 146 km
Aug 30, 1993 16 km WSW of ?zu, Japan M4.9 91 km
Mar 8, 2020 28 km NE of Usuki, Japan M4.9 128 km
Jan 9, 2001 40 km W of ?zu, Japan M4.9 105 km
Aug 15, 2016 26 km ENE of Kitsuki, Japan M4.9 129 km
Jun 18, 2021 1 km ENE of ?zu, Japan M4.9 73 km
Feb 26, 2024 18 km N of Yawatahama, Japan M4.9 79 km
Jul 1, 2016 17 km NE of Kitsuki, Japan M4.9 139 km
Mar 11, 2019 6 km SE of Kihoku-ch?, Japan M4.9 89 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

52 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 4. Most recent: Lan (2023).

Year Name Category Closest
2023 Lan Category 1 234 km
2022 Nanmadol Category 2 241 km
2019 Francisco Category 1 256 km
2018 Jebi Category 3 124 km
2018 Trami Category 1 138 km
2018 Cimaron Category 1 133 km
2017 Noru Category 1 104 km
2016 Malakas Category 1 128 km
2015 Goni Category 3 241 km
2015 Nangka Category 1 145 km
2014 Phanfone Category 2 217 km
2014 Halong Category 1 103 km
2012 Jelawat Category 1 217 km
2011 Roke Category 4 259 km
2011 Ma-on Category 1 113 km
2009 Melor Category 1 262 km
2008 Sinlaku Category 1 179 km
2007 Usagi Category 3 175 km
2007 Man-yi Category 1 140 km
2006 Shanshan Category 1 257 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

2 tsunamis recorded within 500 km. Highest wave on record: 2.0 m (7 ft).

Year Location Cause Max Wave Deaths Distance
1711 SEIONAIKAI, JAPAN Earthquake 2.0 m 1,000 86 km
1808 E. AWA, TOKUSHIMA PREFECTURE Earthquake 1.5 m 149 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

3 volcanoes within 200 km. Closest: Sanbesan (146 km).

Name Type Elevation Last Eruption Distance
Sanbesan Stratovolcano 1,126 m (3,694 ft) 650 146 km
Abu Shield(s) 641 m (2,103 ft) -6850 159 km
Yufu-Tsurumi Lava dome(s) 1,584 m (5,197 ft) 867 181 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 38°F (3°C) 2.1 in Coldest
February 39°F (4°C) 3.0 in
March 45°F (7°C) 4.7 in
April 55°F (13°C) 7.2 in
May 63°F (17°C) 7.8 in
June 69°F (21°C) 11.9 in Wettest
July 77°F (25°C) 10.8 in
August 78°F (26°C) 5.6 in Warmest
September 71°F (22°C) 9.6 in
October 61°F (16°C) 5.7 in
November 51°F (11°C) 3.4 in
December 42°F (6°C) 2.1 in Driest

Saijō has a seasonal temperature swing of 40°F / from 38°F in January to 78°F in August. Total annual precipitation is 73.7 inches, with June being the wettest month (11.9") and December the driest (2.1").

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