Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Kotohira enjoys a temperate climate with an average annual temperature of 60°F (15°C). Winters average 40°F in January while summers reach 80°F in July. The area gets 227 sunny days per year, above the national average. Annual precipitation totals 60.1 inches (wetter than the 38-inch national average). The city sits at an elevation of 443 feet.
Temperature
40°F Jan (5°C)80°F Jul (26°C)
Annual Average
59.8°F
11% above US avg
January Average
40°F (5°C)
July Average
80°F (26°C)
Sunny Days
227 days/yr
Geography
Elevation
443 ft (135 m)
Area
4.4 sq mi (11.5 km²)
Population Density
1,907/sq mi
Coordinates
34.1833°N, 133.8167°W
Timezone
Asia/Tokyo
Precipitation & Snow
Annual Rainfall60.1"
58% above US avg
Snowfall0.0"
Wettest Month (Jun)9.57"
Driest Month (Dec)1.46"
Air Quality
Earthquake History
169 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
119 km
22 km
Mar 24, 2001
16 km SSW of Kure, Japan
M6.8
119 km
50 km
Apr 12, 2013
6 km WNW of Sumoto, Japan
M5.8
95 km
14 km
Aug 20, 1999
22 km SE of Kainan, Japan
M5.7
147 km
66 km
Aug 28, 1991
9 km SSW of Yasugich?, Japan
M5.5
140 km
13 km
Oct 8, 2000
32 km N of Sh?bara, Japan
M5.4
128 km
10 km
Sep 3, 1997
21 km S of Yasugich?, Japan
M5.3
128 km
10 km
Sep 16, 2002
24 km SW of Kurayoshi, Japan
M5.3
120 km
10 km
Oct 8, 2000
8 km SSW of Yonago, Japan
M5.2
139 km
10 km
Mar 13, 2019
22 km ESE of Anan, Japan
M5.2
104 km
37 km
Mar 25, 2001
22 km WNW of H?j?, Japan
M5.2
119 km
43 km
Apr 26, 2007
15 km ESE of Niihama, Japan
M5.1
46 km
50 km
Apr 14, 2000
10 km SSW of Tanabe, Japan
M5.1
150 km
35 km
Jul 5, 2011
12 km NNW of Gob?, Japan
M5.0
123 km
16 km
Jan 16, 1995
20 km SW of Akashi, Japan
M5.0
101 km
10 km
Jun 18, 2021
1 km ENE of ?zu, Japan
M4.9
138 km
42 km
Jun 16, 2022
5 km S of Komatsushimach?, Japan
M4.9
74 km
40 km
Sep 28, 1990
24 km NNW of Kariya, Japan
M4.9
94 km
26 km
Aug 22, 1994
39 km S of Anan, Japan
M4.9
100 km
38 km
Mar 11, 2019
6 km SE of Kihoku-ch?, Japan
M4.9
148 km
44 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
46 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
182 km
2018
Jebi
Category 3
98 mph
84 km
2018
Trami
Category 1
92 mph
122 km
2018
Cimaron
Category 1
92 mph
90 km
2017
Noru
Category 1
69 mph
91 km
2016
Malakas
Category 1
86 mph
157 km
2015
Goni
Category 1
81 mph
281 km
2015
Nangka
Category 1
86 mph
139 km
2014
Phanfone
Category 2
92 mph
197 km
2014
Halong
Category 1
81 mph
140 km
2012
Jelawat
Category 1
92 mph
203 km
2011
Roke
Category 4
98 mph
241 km
2011
Ma-on
Category 1
86 mph
88 km
2009
Melor
Category 1
92 mph
234 km
2008
Sinlaku
Category 1
75 mph
184 km
2007
Usagi
Category 2
92 mph
222 km
2007
Man-yi
Category 1
86 mph
190 km
2005
Nabi
Category 1
75 mph
252 km
2004
Songda
Category 2
86 mph
193 km
2004
Chaba
Category 2
92 mph
117 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
8 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
142 km
1711
SEIONAIKAI, JAPAN
Earthquake
2.0 m
1,000
21 km
1808
E. AWA, TOKUSHIMA PREFECTURE
Earthquake
1.5 m
—
96 km
1995
KOBE, JAPAN
Earthquake
0.3 m
6,434
124 km
1791
OASAKA BAY
Earthquake
—
—
150 km
1498
NANKAIDO
Earthquake
—
—
149 km
1331
OFF TANABE, WAKAYAMA PREFECTURE
Earthquake
—
—
139 km
745
OSAKA BAY, JAPAN
Earthquake
—
—
144 km
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km.
Closest: Sanbesan (153 km).
Name
Type
Elevation
Last Eruption
Distance
Sanbesan
Stratovolcano
1,126 m (3,694 ft)
650
153 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
40°F (5°C)
1.7 in
Coldest
February
41°F (5°C)
2.3 in
March
47°F (8°C)
3.6 in
April
57°F (14°C)
5.9 in
May
65°F (18°C)
6.2 in
June
72°F (22°C)
9.6 in
Wettest
July
80°F (26°C)
8.2 in
August
81°F (27°C)
4.5 in
Warmest
September
74°F (23°C)
9.0 in
October
64°F (18°C)
4.8 in
November
53°F (12°C)
3.0 in
December
44°F (7°C)
1.5 in
Driest
Kotohira has a seasonal temperature swing of 41°F / from 40°F in January to 81°F in August. Total annual precipitation is 60.1 inches, with June being the wettest month (9.6") and December the driest (1.5").