Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Shikokuchūō experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 34°F in January while summers reach 74°F in July. The area gets 193 sunny days per year. Annual precipitation totals 78.7 inches (wetter than the 38-inch national average). The area receives 5.4 inches of snow annually. The city sits at an elevation of 135 feet.
Temperature
34°F Jan (1°C)74°F Jul (23°C)
Annual Average
54.4°F
1% above US avg
January Average
34°F (1°C)
July Average
74°F (23°C)
Sunny Days
193 days/yr
Geography
Elevation
135 ft (41 m)
Area
228.4 sq mi (591.6 km²)
Population Density
362/sq mi
Coordinates
33.9754°N, 133.5490°W
Timezone
Asia/Tokyo
Precipitation & Snow
Annual Rainfall78.7"
107% above US avg
Snowfall5.4"
Wettest Month (Jun)12.48"
Driest Month (Dec)2.13"
Air Quality
Earthquake History
152 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M6.8.
Mar 24, 2001
16 km SSW of Kure, Japan
M6.8
95 km
50 km
Apr 17, 2024
18 km W of Uwajima, Japan
M6.3
136 km
32 km
Apr 12, 2013
6 km WNW of Sumoto, Japan
M5.8
126 km
14 km
Oct 8, 2000
32 km N of Sh?bara, Japan
M5.4
138 km
10 km
Sep 16, 2002
24 km SW of Kurayoshi, Japan
M5.3
143 km
10 km
Sep 3, 1997
21 km S of Yasugich?, Japan
M5.3
142 km
10 km
Mar 13, 2019
22 km ESE of Anan, Japan
M5.2
122 km
37 km
Mar 25, 2001
22 km WNW of H?j?, Japan
M5.2
93 km
43 km
Apr 26, 2007
15 km ESE of Niihama, Japan
M5.1
12 km
50 km
Apr 2, 1997
34 km WSW of ?zu, Japan
M5.1
141 km
46 km
Jan 16, 1995
20 km SW of Akashi, Japan
M5.0
134 km
10 km
Jan 3, 1991
22 km W of ?zu, Japan
M5.0
127 km
63 km
Jul 5, 2011
12 km NNW of Gob?, Japan
M5.0
146 km
16 km
Aug 14, 1993
19 km SW of ?zu, Japan
M5.0
126 km
41 km
Aug 30, 1993
16 km WSW of ?zu, Japan
M4.9
123 km
47 km
Jun 18, 2021
1 km ENE of ?zu, Japan
M4.9
105 km
42 km
Jun 16, 2022
5 km S of Komatsushimach?, Japan
M4.9
94 km
40 km
Sep 28, 1990
24 km NNW of Kariya, Japan
M4.9
126 km
26 km
Jan 9, 2001
40 km W of ?zu, Japan
M4.9
139 km
49 km
Feb 26, 2024
18 km N of Yawatahama, Japan
M4.9
113 km
42 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
50 hurricanes (Category 1+) recorded within 500 km since 1980.
Strongest on record: Category 4.
Year
Name
Category
Max Wind
Closest
2023
Lan
Category 2
75 mph
201 km
2022
Nanmadol
Category 2
98 mph
276 km
2019
Francisco
Category 1
81 mph
283 km
2018
Jebi
Category 3
98 mph
99 km
2018
Trami
Category 1
98 mph
117 km
2018
Cimaron
Category 1
92 mph
102 km
2017
Noru
Category 1
69 mph
92 km
2016
Malakas
Category 1
86 mph
131 km
2015
Goni
Category 3
98 mph
270 km
2015
Nangka
Category 1
86 mph
129 km
2014
Phanfone
Category 2
92 mph
203 km
2014
Halong
Category 1
81 mph
111 km
2012
Jelawat
Category 1
92 mph
198 km
2011
Roke
Category 4
98 mph
239 km
2011
Ma-on
Category 1
86 mph
87 km
2009
Melor
Category 1
92 mph
238 km
2008
Sinlaku
Category 1
75 mph
172 km
2007
Usagi
Category 3
98 mph
208 km
2007
Man-yi
Category 1
86 mph
158 km
2006
Shanshan
Category 1
81 mph
290 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
3 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
144 km
1711
SEIONAIKAI, JAPAN
Earthquake
2.0 m
1,000
55 km
1808
E. AWA, TOKUSHIMA PREFECTURE
Earthquake
1.5 m
—
116 km
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
2 volcanoes within 200 km.
Closest: Sanbesan (155 km).
Name
Type
Elevation
Last Eruption
Distance
Sanbesan
Stratovolcano
1,126 m (3,694 ft)
650
155 km
Abu
Shield(s)
641 m (2,103 ft)
-6850
188 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
34°F (1°C)
2.2 in
Coldest
February
36°F (2°C)
3.2 in
March
42°F (5°C)
4.8 in
April
52°F (11°C)
7.7 in
May
60°F (16°C)
8.4 in
June
66°F (19°C)
12.5 in
Wettest
July
74°F (23°C)
11.5 in
August
75°F (24°C)
6.5 in
Warmest
September
69°F (20°C)
10.4 in
October
58°F (15°C)
5.9 in
November
49°F (9°C)
3.6 in
December
39°F (4°C)
2.1 in
Driest
Shikokuchūō has a seasonal temperature swing of 41°F / from 34°F in January to 75°F in August. Total annual precipitation is 78.7 inches, with June being the wettest month (12.5") and December the driest (2.1").