Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Higashikagawa enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 39°F in January while summers reach 78°F in July. The area gets 221 sunny days per year, above the national average. Annual precipitation totals 63.2 inches (wetter than the 38-inch national average). The city sits at an elevation of 194 feet.
Temperature
39°F Jan (4°C)78°F Jul (25°C)
Annual Average
58.6°F
9% above US avg
January Average
39°F (4°C)
July Average
78°F (25°C)
Sunny Days
221 days/yr
Geography
Elevation
194 ft (59 m)
Area
172.0 sq mi (445.4 km²)
Population Density
165/sq mi
Coordinates
34.2102°N, 134.3365°W
Timezone
Asia/Tokyo
Precipitation & Snow
Annual Rainfall63.2"
66% above US avg
Snowfall0.0"
Wettest Month (Sep)10.51"
Driest Month (Dec)1.46"
Air Quality
Earthquake History
205 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M6.9.
Jan 16, 1995
8 km S of Akashi, Japan
M6.9
75 km
22 km
Apr 12, 2013
6 km WNW of Sumoto, Japan
M5.8
49 km
14 km
Aug 20, 1999
22 km SE of Kainan, Japan
M5.7
101 km
66 km
Jun 17, 2018
near the south coast of western Honshu, Japan
M5.5
138 km
10 km
Sep 24, 2003
5 km WNW of Ayabe, Japan
M5.4
146 km
372 km
Jan 11, 2001
15 km E of Tottori, Japan
M5.3
141 km
33 km
Sep 16, 2002
24 km SW of Kurayoshi, Japan
M5.3
132 km
10 km
Mar 13, 2019
22 km ESE of Anan, Japan
M5.2
65 km
37 km
Oct 20, 1991
45 km SSW of Tanabe, Japan
M5.1
129 km
41 km
Apr 14, 2000
10 km SSW of Tanabe, Japan
M5.1
109 km
35 km
Apr 26, 2007
15 km ESE of Niihama, Japan
M5.1
88 km
50 km
Jul 5, 2011
12 km NNW of Gob?, Japan
M5.0
78 km
16 km
Jan 16, 1995
20 km SW of Akashi, Japan
M5.0
59 km
10 km
Jun 16, 2022
5 km S of Komatsushimach?, Japan
M4.9
36 km
40 km
Feb 21, 2011
12 km NNW of Tanabe, Japan
M4.9
100 km
55 km
Dec 22, 1994
6 km NNW of Takatsuki, Japan
M4.9
139 km
370 km
Aug 22, 1994
39 km S of Anan, Japan
M4.9
76 km
38 km
Sep 28, 1990
24 km NNW of Kariya, Japan
M4.9
82 km
26 km
Oct 13, 1995
10 km ESE of Akashi, Japan
M4.9
84 km
18 km
Jul 20, 2010
8 km WSW of Hashimoto, Japan
M4.9
110 km
66 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
51 hurricanes (Category 1+) recorded within 500 km since 1980.
Strongest on record: Category 4.
Year
Name
Category
Max Wind
Closest
2023
Lan
Category 2
81 mph
138 km
2018
Jebi
Category 3
98 mph
52 km
2018
Trami
Category 1
92 mph
113 km
2018
Cimaron
Category 1
92 mph
55 km
2018
Jongdari
Category 1
75 mph
256 km
2017
Lan
Category 2
104 mph
280 km
2017
Noru
Category 1
69 mph
70 km
2016
Malakas
Category 1
86 mph
175 km
2015
Nangka
Category 1
81 mph
135 km
2014
Phanfone
Category 2
92 mph
167 km
2014
Halong
Category 1
81 mph
165 km
2012
Jelawat
Category 1
92 mph
187 km
2011
Roke
Category 4
98 mph
205 km
2011
Ma-on
Category 1
86 mph
72 km
2009
Melor
Category 1
92 mph
205 km
2008
Sinlaku
Category 1
75 mph
165 km
2007
Usagi
Category 2
92 mph
265 km
2007
Man-yi
Category 1
81 mph
220 km
2005
Nabi
Category 1
75 mph
295 km
2004
Ma-on
Category 4
98 mph
289 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
12 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
138 km
1707
NANKAIDO
Earthquake
25.7 m
5,000
120 km
1605
NANKAIDO
Earthquake
10.0 m
5,000
144 km
1711
SEIONAIKAI, JAPAN
Earthquake
2.0 m
1,000
33 km
1510
OSAKA BAY
Earthquake
2.0 m
—
107 km
1808
E. AWA, TOKUSHIMA PREFECTURE
Earthquake
1.5 m
—
55 km
1995
KOBE, JAPAN
Earthquake
0.3 m
6,434
79 km
1791
OASAKA BAY
Earthquake
—
—
103 km
1498
NANKAIDO
Earthquake
—
—
112 km
1361
NANKAIDO
Earthquake
—
660
148 km
1331
OFF TANABE, WAKAYAMA PREFECTURE
Earthquake
—
—
98 km
745
OSAKA BAY, JAPAN
Earthquake
—
—
98 km
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km.
Closest: Sanbesan (188 km).
Name
Type
Elevation
Last Eruption
Distance
Sanbesan
Stratovolcano
1,126 m (3,694 ft)
650
188 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
39°F (4°C)
1.8 in
Coldest
February
40°F (4°C)
2.3 in
March
46°F (8°C)
3.7 in
April
56°F (13°C)
5.9 in
May
64°F (18°C)
6.1 in
June
70°F (21°C)
9.6 in
July
78°F (25°C)
7.3 in
August
80°F (26°C)
5.9 in
Warmest
September
73°F (23°C)
10.5 in
Wettest
October
63°F (17°C)
5.2 in
November
53°F (12°C)
3.4 in
December
44°F (7°C)
1.5 in
Driest
Higashikagawa has a seasonal temperature swing of 40°F / from 39°F in January to 80°F in August. Total annual precipitation is 63.2 inches, with September being the wettest month (10.5") and December the driest (1.5").