Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ikaruga 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 234 sunny days per year, above the national average. Annual precipitation totals 56.2 inches (wetter than the 38-inch national average). The city sits at an elevation of 56 feet.
Temperature
38°F Jan (3°C)77°F Jul (25°C)
Annual Average
57.3°F
6% above US avg
January Average
38°F (3°C)
July Average
77°F (25°C)
Sunny Days
234 days/yr
Geography
Elevation
56 ft (17 m)
Area
10.4 sq mi (26.9 km²)
Population Density
3,225/sq mi
Coordinates
34.8348°N, 134.5780°W
Timezone
Asia/Tokyo
Precipitation & Snow
Annual Rainfall56.2"
48% above US avg
Snowfall0.0"
Wettest Month (Sep)8.31"
Driest Month (Dec)1.77"
Air Quality
Earthquake History
272 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
49 km
22 km
Oct 6, 2000
8 km ESE of Matsue, Japan
M6.7
148 km
10 km
Apr 11, 1990
11 km ENE of Maizuru, Japan
M6.1
107 km
362 km
Apr 12, 2013
6 km WNW of Sumoto, Japan
M5.8
57 km
14 km
Aug 7, 1992
21 km N of Miyazu, Japan
M5.8
112 km
358 km
Aug 20, 1999
22 km SE of Kainan, Japan
M5.7
118 km
66 km
Apr 21, 2000
27 km NNE of Maizuru, Japan
M5.5
124 km
347 km
Aug 28, 1991
9 km SSW of Yasugich?, Japan
M5.5
137 km
13 km
Jun 17, 2018
near the south coast of western Honshu, Japan
M5.5
97 km
10 km
Oct 8, 2000
32 km N of Sh?bara, Japan
M5.4
144 km
10 km
Sep 24, 2003
5 km WNW of Ayabe, Japan
M5.4
78 km
372 km
Jan 11, 2001
15 km E of Tottori, Japan
M5.3
73 km
33 km
Sep 16, 2002
24 km SW of Kurayoshi, Japan
M5.3
97 km
10 km
Sep 3, 1997
21 km S of Yasugich?, Japan
M5.3
131 km
10 km
Oct 8, 2000
8 km SSW of Yonago, Japan
M5.2
129 km
10 km
Mar 13, 2019
22 km ESE of Anan, Japan
M5.2
117 km
37 km
Mar 16, 1999
10 km WNW of Kitahama, Japan
M5.1
121 km
33 km
Apr 26, 2007
15 km ESE of Niihama, Japan
M5.1
146 km
50 km
Apr 14, 2000
10 km SSW of Tanabe, Japan
M5.1
147 km
35 km
Apr 16, 1994
16 km ENE of Maizuru, Japan
M5.0
113 km
358 km
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
45 hurricanes (Category 1+) recorded within 500 km since 1980.
Strongest on record: Category 3.
Year
Name
Category
Max Wind
Closest
2023
Lan
Category 2
75 mph
163 km
2018
Jebi
Category 3
98 mph
66 km
2018
Trami
Category 1
92 mph
143 km
2018
Cimaron
Category 1
86 mph
28 km
2018
Jongdari
Category 1
75 mph
234 km
2017
Lan
Category 1
98 mph
289 km
2017
Noru
Category 1
69 mph
104 km
2016
Malakas
Category 1
86 mph
247 km
2015
Nangka
Category 1
81 mph
206 km
2014
Phanfone
Category 2
92 mph
218 km
2014
Halong
Category 1
81 mph
236 km
2012
Jelawat
Category 1
92 mph
250 km
2011
Roke
Category 3
98 mph
229 km
2011
Ma-on
Category 1
86 mph
137 km
2009
Melor
Category 1
86 mph
207 km
2008
Sinlaku
Category 1
75 mph
223 km
2007
Usagi
Category 2
92 mph
254 km
2007
Man-yi
Category 1
81 mph
289 km
2004
Songda
Category 2
86 mph
223 km
2004
Chaba
Category 1
81 mph
129 km
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tsunami History
9 tsunamis recorded within 500 km.
Highest wave on record: 11.3 m (37 ft).
Year
Location
Cause
Max Wave
Deaths
Distance
1927
SW. HONSHU ISLAND
Eruption + Earthquake
11.3 m
3,022
97 km
1711
SEIONAIKAI, JAPAN
Earthquake
2.0 m
1,000
80 km
1510
OSAKA BAY
Earthquake
2.0 m
-
80 km
1808
E. AWA, TOKUSHIMA PREFECTURE
Earthquake
1.5 m
-
106 km
1995
KOBE, JAPAN
Earthquake
0.3 m
6,434
53 km
1791
OASAKA BAY
Earthquake
-
-
84 km
1331
OFF TANABE, WAKAYAMA PREFECTURE
Earthquake
-
-
139 km
745
OSAKA BAY, JAPAN
Earthquake
-
-
71 km
701
SEA OF JAPAN
Earthquake
-
-
122 km
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
2 volcanoes within 200 km.
Closest: Sanbesan (181 km).
Name
Type
Elevation
Last Eruption
Distance
Sanbesan
Stratovolcano
1,126 m (3,694 ft)
650
181 km
Oki-Dogo
Shield
151 m (495 ft)
Unknown
187 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
38°F (3°C)
2.2 in
Coldest
February
38°F (3°C)
2.6 in
March
43°F (6°C)
3.8 in
April
54°F (12°C)
5.2 in
May
62°F (17°C)
5.6 in
June
70°F (21°C)
8.2 in
July
77°F (25°C)
7.0 in
August
79°F (26°C)
4.3 in
Warmest
September
72°F (22°C)
8.3 in
Wettest
October
61°F (16°C)
4.4 in
November
51°F (11°C)
3.0 in
December
42°F (6°C)
1.8 in
Driest
Ikaruga has a seasonal temperature swing of 42°F / from 38°F in January to 79°F in August. Total annual precipitation is 56.2 inches, with September being the wettest month (8.3") and December the driest (1.8").