Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Bizen enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 38°F in January while summers reach 78°F in July. The area gets 233 sunny days per year, above the national average. Annual precipitation totals 56.7 inches (wetter than the 38-inch national average). The city sits at an elevation of 932 feet.
Temperature
38°F Jan (4°C)78°F Jul (25°C)
Annual Average
57.7°F
7% above US avg
January Average
38°F (4°C)
July Average
78°F (25°C)
Sunny Days
233 days/yr
Geography
Elevation
932 ft (284 m)
Area
252.2 sq mi (653.1 km²)
Population Density
155/sq mi
Coordinates
34.7867°N, 134.2354°W
Timezone
Asia/Tokyo
Precipitation & Snow
Annual Rainfall56.7"
49% above US avg
Snowfall0.0"
Wettest Month (Sep)8.74"
Driest Month (Dec)1.30"
Air Quality
Earthquake History
224 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
Oct 6, 2000
8 km ESE of Matsue, Japan
M6.7
125 km
10 km
Apr 11, 1990
11 km ENE of Maizuru, Japan
M6.1
134 km
362 km
Apr 12, 2013
6 km WNW of Sumoto, Japan
M5.8
71 km
14 km
Aug 7, 1992
21 km N of Miyazu, Japan
M5.8
134 km
358 km
Aug 20, 1999
22 km SE of Kainan, Japan
M5.7
137 km
66 km
Apr 21, 2000
27 km NNE of Maizuru, Japan
M5.5
150 km
347 km
Jun 17, 2018
near the south coast of western Honshu, Japan
M5.5
128 km
10 km
Aug 28, 1991
9 km SSW of Yasugich?, Japan
M5.5
112 km
13 km
Oct 8, 2000
32 km N of Sh?bara, Japan
M5.4
116 km
10 km
Sep 24, 2003
5 km WNW of Ayabe, Japan
M5.4
105 km
372 km
Jan 11, 2001
15 km E of Tottori, Japan
M5.3
78 km
33 km
Sep 16, 2002
24 km SW of Kurayoshi, Japan
M5.3
75 km
10 km
Sep 3, 1997
21 km S of Yasugich?, Japan
M5.3
105 km
10 km
Mar 13, 2019
22 km ESE of Anan, Japan
M5.2
123 km
37 km
Oct 8, 2000
8 km SSW of Yonago, Japan
M5.2
106 km
10 km
Apr 26, 2007
15 km ESE of Niihama, Japan
M5.1
122 km
50 km
Jul 5, 2011
12 km NNW of Gob?, Japan
M5.0
121 km
16 km
Apr 16, 1994
16 km ENE of Maizuru, Japan
M5.0
140 km
358 km
Jan 16, 1995
20 km SW of Akashi, Japan
M5.0
61 km
10 km
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
44 hurricanes (Category 1+) recorded within 500 km since 1980.
Strongest on record: Category 3.
Year
Name
Category
Max Wind
Closest
2023
Lan
Category 2
81 mph
181 km
2018
Jebi
Category 3
98 mph
82 km
2018
Trami
Category 1
92 mph
160 km
2018
Cimaron
Category 1
86 mph
47 km
2018
Jongdari
Category 1
75 mph
264 km
2017
Noru
Category 1
69 mph
118 km
2016
Malakas
Category 1
86 mph
231 km
2015
Goni
Category 1
81 mph
298 km
2015
Nangka
Category 1
81 mph
199 km
2014
Phanfone
Category 2
92 mph
226 km
2014
Halong
Category 1
81 mph
217 km
2012
Jelawat
Category 1
92 mph
251 km
2011
Roke
Category 3
98 mph
255 km
2011
Ma-on
Category 1
86 mph
136 km
2009
Melor
Category 1
86 mph
234 km
2008
Sinlaku
Category 1
75 mph
229 km
2007
Usagi
Category 2
92 mph
230 km
2007
Man-yi
Category 1
81 mph
267 km
2005
Nabi
Category 1
75 mph
270 km
2004
Songda
Category 2
86 mph
194 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
120 km
1711
SEIONAIKAI, JAPAN
Earthquake
2.0 m
1,000
58 km
1510
OSAKA BAY
Earthquake
2.0 m
-
109 km
1808
E. AWA, TOKUSHIMA PREFECTURE
Earthquake
1.5 m
-
111 km
1995
KOBE, JAPAN
Earthquake
0.3 m
6,434
79 km
1791
OASAKA BAY
Earthquake
-
-
111 km
1331
OFF TANABE, WAKAYAMA PREFECTURE
Earthquake
-
-
150 km
745
OSAKA BAY, JAPAN
Earthquake
-
-
100 km
701
SEA OF JAPAN
Earthquake
-
-
147 km
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
2 volcanoes within 200 km.
Closest: Sanbesan (152 km).
Name
Type
Elevation
Last Eruption
Distance
Sanbesan
Stratovolcano
1,126 m (3,694 ft)
650
152 km
Oki-Dogo
Shield
151 m (495 ft)
Unknown
175 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
38°F (4°C)
1.7 in
Coldest
February
39°F (4°C)
2.2 in
March
44°F (7°C)
3.6 in
April
54°F (12°C)
5.4 in
May
63°F (17°C)
5.7 in
June
70°F (21°C)
8.6 in
July
78°F (25°C)
7.9 in
August
80°F (26°C)
4.5 in
Warmest
September
72°F (22°C)
8.7 in
Wettest
October
61°F (16°C)
4.3 in
November
52°F (11°C)
2.7 in
December
43°F (6°C)
1.3 in
Driest
Bizen has a seasonal temperature swing of 41°F / from 38°F in January to 80°F in August. Total annual precipitation is 56.7 inches, with September being the wettest month (8.7") and December the driest (1.3").