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Hiwasaura, Japan

Full City Profile

4.1 /5.0
A Great
6,222 Population 15/sq mi density
20 ft Elevation 6 meters
60°F Avg Temperature 16°C
A
Overall
4.1 / 5.0
Strong
B
Economy
3.2 / 5.0
$28,400 median income, 2.4% unemployment
A+
Affordability
5.0 / 5.0
$68,000 home value, $340/mo rent
Hiwasaura enjoys a temperate climate with an average annual temperature of 60°F (16°C). Winters average 42°F in January while summers reach 78°F in July. The area gets 203 sunny days per year. Annual precipitation totals 73.1 inches. The area receives 0.0 inches of snow annually.

Temperature

42°F Jan (5°C) 78°F Jul (25°C)
Annual Average60.0°F
11% above US avg
January Average42°F (5°C)
July Average78°F (25°C)
Sunny Days203 days/yr

Geography

Elevation20 ft (6 m)
Area412.3 sq mi (1,067.9 km²)
Population Density15/sq mi
Coordinates33.7326°N, 134.5374°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 73.1"
92% above US avg
Snowfall 0.0"
Wettest Month (Sep) 11.65"
Driest Month (Dec) 1.73"

Air Quality

Earthquake History

186 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.9. Most recent: M4.2 on Mar 6, 2025.

Jan 16, 1995 8 km S of Akashi, Japan M6.9 104 km
Jun 1, 1998 17 km SW of Owase, Japan M5.8 145 km
Apr 12, 2013 6 km WNW of Sumoto, Japan M5.8 76 km
Aug 20, 1999 22 km SE of Kainan, Japan M5.7 86 km
Mar 13, 2019 22 km ESE of Anan, Japan M5.2 31 km
Apr 26, 2007 15 km ESE of Niihama, Japan M5.1 102 km
Apr 14, 2000 10 km SSW of Tanabe, Japan M5.1 72 km
Oct 20, 1991 45 km SSW of Tanabe, Japan M5.1 79 km
Jan 16, 1995 20 km SW of Akashi, Japan M5.0 95 km
Jun 20, 2023 8 km E of Shingū, Japan M5.0 142 km
Jul 5, 2011 12 km NNW of Gob?, Japan M5.0 62 km
Jun 16, 2022 5 km S of Komatsushimach?, Japan M4.9 24 km
Feb 21, 2011 12 km NNW of Tanabe, Japan M4.9 74 km
Sep 28, 1990 24 km NNW of Kariya, Japan M4.9 137 km
Aug 22, 1994 39 km S of Anan, Japan M4.9 20 km
Jul 20, 2010 8 km WSW of Hashimoto, Japan M4.9 110 km
Oct 13, 1995 10 km ESE of Akashi, Japan M4.9 111 km
Oct 4, 2011 14 km SW of Wakimachi, Japan M4.8 53 km
Jan 8, 2012 29 km SSW of K?ya, Japan M4.8 91 km
Aug 9, 2011 19 km SSW of K?ya, Japan M4.8 98 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year Name Category Closest
2025 Nakri Category 1 291 km
2023 Lan Category 2 108 km
2018 Jebi Category 3 10 km
2018 Trami Category 1 61 km
2018 Cimaron Category 1 7 km
2018 Jongdari Category 1 251 km
2017 Lan Category 2 245 km
2017 Noru Category 1 15 km
2016 Malakas Category 1 142 km
2015 Nangka Category 1 84 km
2014 Phanfone Category 2 114 km
2014 Halong Category 1 141 km
2012 Jelawat Category 1 130 km
2011 Roke Category 4 158 km
2011 Ma-on Category 1 16 km
2009 Melor Category 1 152 km
2008 Sinlaku Category 1 109 km
2007 Usagi Category 3 294 km
2007 Man-yi Category 1 198 km
2005 Mawar Category 3 269 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

17 tsunamis recorded within 500 km. Highest wave on record: 28.0 m (92 ft).

Year Location Cause Max Wave Deaths Distance
1854 NANKAIDO Earthquake 28.0 m 3,000 82 km
1707 NANKAIDO Earthquake 25.7 m 5,000 64 km
1605 NANKAIDO Earthquake 10.0 m 5,000 88 km
1946 HONSHU: S COAST Earthquake 6.6 m 1,362 144 km
684 NANKAIDO Earthquake 3.0 m 146 km
1711 SEIONAIKAI, JAPAN Earthquake 2.0 m 1,000 80 km
1510 OSAKA BAY Earthquake 2.0 m 125 km
1808 E. AWA, TOKUSHIMA PREFECTURE Earthquake 1.5 m 31 km
1948 TOKAIDO Earthquake 0.6 m 121 km
1995 KOBE, JAPAN Earthquake 0.3 m 6,434 107 km
1791 OASAKA BAY Earthquake 117 km
1498 NANKAIDO Earthquake 67 km
1361 NANKAIDO Earthquake 660 92 km
1331 OFF TANABE, WAKAYAMA PREFECTURE Earthquake 61 km
1099 NANKAIDO Earthquake 121 km
887 NANKAIDO Earthquake 108 km
745 OSAKA BAY, JAPAN Earthquake 119 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 42°F (5°C) 2.1 in Coldest
February 42°F (6°C) 2.8 in
March 48°F (9°C) 4.3 in
April 57°F (14°C) 6.8 in
May 65°F (18°C) 7.3 in
June 71°F (22°C) 10.9 in
July 78°F (25°C) 7.9 in
August 80°F (26°C) 7.4 in Warmest
September 74°F (23°C) 11.7 in Wettest
October 64°F (18°C) 6.1 in
November 55°F (13°C) 4.2 in
December 46°F (8°C) 1.7 in Driest

Hiwasaura has a seasonal temperature swing of 38°F / from 42°F in January to 80°F in August. Total annual precipitation is 73.1 inches, with September being the wettest month (11.7") and December the driest (1.7").

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