Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Hiragi enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 39°F in January while summers reach 79°F in July. The area gets 222 sunny days per year, above the national average. Annual precipitation totals 62.8 inches (wetter than the 38-inch national average). The city sits at an elevation of 95 feet.
Temperature
39°F Jan (4°C)79°F Jul (26°C)
Annual Average
58.9°F
9% above US avg
January Average
39°F (4°C)
July Average
79°F (26°C)
Sunny Days
222 days/yr
Geography
Elevation
95 ft (29 m)
Area
27.8 sq mi (72.0 km²)
Population Density
967/sq mi
Coordinates
34.2706°N, 134.1307°W
Timezone
Asia/Tokyo
Precipitation & Snow
Annual Rainfall62.8"
65% above US avg
Snowfall0.0"
Wettest Month (Sep)9.84"
Driest Month (Dec)1.46"
Air Quality
Earthquake History
193 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
89 km
22 km
Mar 24, 2001
16 km SSW of Kure, Japan
M6.8
149 km
50 km
Apr 12, 2013
6 km WNW of Sumoto, Japan
M5.8
65 km
14 km
Aug 20, 1999
22 km SE of Kainan, Japan
M5.7
120 km
66 km
Aug 28, 1991
9 km SSW of Yasugich?, Japan
M5.5
146 km
13 km
Oct 8, 2000
32 km N of Sh?bara, Japan
M5.4
139 km
10 km
Sep 3, 1997
21 km S of Yasugich?, Japan
M5.3
135 km
10 km
Jan 11, 2001
15 km E of Tottori, Japan
M5.3
136 km
33 km
Sep 16, 2002
24 km SW of Kurayoshi, Japan
M5.3
118 km
10 km
Mar 25, 2001
22 km WNW of H?j?, Japan
M5.2
149 km
43 km
Oct 8, 2000
8 km SSW of Yonago, Japan
M5.2
143 km
10 km
Mar 13, 2019
22 km ESE of Anan, Japan
M5.2
84 km
37 km
Oct 20, 1991
45 km SSW of Tanabe, Japan
M5.1
146 km
41 km
Apr 14, 2000
10 km SSW of Tanabe, Japan
M5.1
128 km
35 km
Apr 26, 2007
15 km ESE of Niihama, Japan
M5.1
75 km
50 km
Jul 5, 2011
12 km NNW of Gob?, Japan
M5.0
98 km
16 km
Jan 16, 1995
20 km SW of Akashi, Japan
M5.0
71 km
10 km
Aug 22, 1994
39 km S of Anan, Japan
M4.9
90 km
38 km
Oct 13, 1995
10 km ESE of Akashi, Japan
M4.9
98 km
18 km
Sep 28, 1990
24 km NNW of Kariya, Japan
M4.9
76 km
26 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
48 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
158 km
2018
Jebi
Category 3
98 mph
68 km
2018
Trami
Category 1
92 mph
122 km
2018
Cimaron
Category 1
92 mph
64 km
2018
Jongdari
Category 1
75 mph
274 km
2017
Lan
Category 2
104 mph
300 km
2017
Noru
Category 1
69 mph
82 km
2016
Malakas
Category 1
86 mph
174 km
2015
Nangka
Category 1
81 mph
142 km
2014
Phanfone
Category 2
92 mph
184 km
2014
Halong
Category 1
81 mph
161 km
2012
Jelawat
Category 1
92 mph
199 km
2011
Roke
Category 4
98 mph
223 km
2011
Ma-on
Category 1
86 mph
86 km
2009
Melor
Category 1
92 mph
222 km
2008
Sinlaku
Category 1
75 mph
178 km
2007
Usagi
Category 2
92 mph
245 km
2007
Man-yi
Category 1
81 mph
214 km
2005
Nabi
Category 1
75 mph
275 km
2004
Songda
Category 2
86 mph
210 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
9 tsunamis recorded within 500 km.
Highest wave on record: 25.7 m (84 ft).
Year
Location
Cause
Max Wave
Deaths
Distance
1707
NANKAIDO
Earthquake
25.7 m
5,000
134 km
1711
SEIONAIKAI, JAPAN
Earthquake
2.0 m
1,000
12 km
1510
OSAKA BAY
Earthquake
2.0 m
—
122 km
1808
E. AWA, TOKUSHIMA PREFECTURE
Earthquake
1.5 m
—
74 km
1995
KOBE, JAPAN
Earthquake
0.3 m
6,434
93 km
1791
OASAKA BAY
Earthquake
—
—
119 km
1498
NANKAIDO
Earthquake
—
—
131 km
1331
OFF TANABE, WAKAYAMA PREFECTURE
Earthquake
—
—
117 km
745
OSAKA BAY, JAPAN
Earthquake
—
—
113 km
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km.
Closest: Sanbesan (169 km).
Name
Type
Elevation
Last Eruption
Distance
Sanbesan
Stratovolcano
1,126 m (3,694 ft)
650
169 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
39°F (4°C)
1.7 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)
6.3 in
June
71°F (22°C)
9.8 in
July
79°F (26°C)
8.2 in
August
80°F (27°C)
5.4 in
Warmest
September
73°F (23°C)
9.8 in
Wettest
October
63°F (17°C)
5.0 in
November
53°F (12°C)
3.2 in
December
44°F (6°C)
1.5 in
Driest
Hiragi has a seasonal temperature swing of 41°F / from 39°F in January to 80°F in August. Total annual precipitation is 62.8 inches, with September being the wettest month (9.8") and December the driest (1.5").