Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sadamitsu enjoys a temperate climate with an average annual temperature of 56°F (14°C). Winters average 36°F in January while summers reach 76°F in July. The area gets 207 sunny days per year. Annual precipitation totals 71.3 inches (wetter than the 38-inch national average). The city sits at an elevation of 551 feet.
Temperature
36°F Jan (2°C)76°F Jul (24°C)
Annual Average
56.3°F
4% above US avg
January Average
36°F (2°C)
July Average
76°F (24°C)
Sunny Days
207 days/yr
Geography
Elevation
551 ft (168 m)
Area
78.1 sq mi (202.4 km²)
Population Density
99/sq mi
Coordinates
34.0317°N, 134.0706°W
Timezone
Asia/Tokyo
Precipitation & Snow
Annual Rainfall71.3"
88% above US avg
Snowfall0.0"
Wettest Month (Jun)11.06"
Driest Month (Dec)1.77"
Air Quality
Earthquake History
172 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
106 km
22 km
Mar 24, 2001
16 km SSW of Kure, Japan
M6.8
142 km
50 km
Apr 12, 2013
6 km WNW of Sumoto, Japan
M5.8
79 km
14 km
Aug 20, 1999
22 km SE of Kainan, Japan
M5.7
123 km
66 km
Sep 16, 2002
24 km SW of Kurayoshi, Japan
M5.3
141 km
10 km
Mar 13, 2019
22 km ESE of Anan, Japan
M5.2
77 km
37 km
Mar 25, 2001
22 km WNW of H?j?, Japan
M5.2
141 km
43 km
Oct 20, 1991
45 km SSW of Tanabe, Japan
M5.1
134 km
41 km
Apr 26, 2007
15 km ESE of Niihama, Japan
M5.1
59 km
50 km
Apr 14, 2000
10 km SSW of Tanabe, Japan
M5.1
122 km
35 km
Jan 16, 1995
20 km SW of Akashi, Japan
M5.0
90 km
10 km
Jul 5, 2011
12 km NNW of Gob?, Japan
M5.0
98 km
16 km
Oct 13, 1995
10 km ESE of Akashi, Japan
M4.9
115 km
18 km
Feb 21, 2011
12 km NNW of Tanabe, Japan
M4.9
118 km
55 km
Sep 28, 1990
24 km NNW of Kariya, Japan
M4.9
103 km
26 km
Jul 20, 2010
8 km WSW of Hashimoto, Japan
M4.9
137 km
66 km
Aug 22, 1994
39 km S of Anan, Japan
M4.9
72 km
38 km
Jun 16, 2022
5 km S of Komatsushimach?, Japan
M4.9
47 km
40 km
Jun 9, 2020
15 km SE of Susaki, Japan
M4.8
104 km
18 km
Oct 4, 2011
14 km SW of Wakimachi, Japan
M4.8
8 km
43 km
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
49 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
155 km
2018
Jebi
Category 3
98 mph
55 km
2018
Trami
Category 1
98 mph
97 km
2018
Cimaron
Category 1
92 mph
61 km
2018
Jongdari
Category 1
75 mph
283 km
2017
Lan
Category 2
104 mph
298 km
2017
Noru
Category 1
69 mph
62 km
2016
Malakas
Category 1
86 mph
147 km
2015
Nangka
Category 1
86 mph
117 km
2014
Phanfone
Category 2
92 mph
168 km
2014
Halong
Category 1
81 mph
135 km
2012
Jelawat
Category 1
92 mph
177 km
2011
Roke
Category 4
98 mph
213 km
2011
Ma-on
Category 1
86 mph
63 km
2009
Melor
Category 1
92 mph
205 km
2008
Sinlaku
Category 1
75 mph
157 km
2007
Usagi
Category 2
92 mph
251 km
2007
Man-yi
Category 1
81 mph
189 km
2005
Nabi
Category 1
75 mph
280 km
2004
Songda
Category 2
86 mph
222 km
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tsunami History
12 tsunamis recorded within 500 km.
Highest wave on record: 28.0 m (92 ft).
Year
Location
Cause
Max Wave
Deaths
Distance
1854
NANKAIDO
Earthquake
28.0 m
3,000
135 km
1707
NANKAIDO
Earthquake
25.7 m
5,000
115 km
1605
NANKAIDO
Earthquake
10.0 m
5,000
138 km
1711
SEIONAIKAI, JAPAN
Earthquake
2.0 m
1,000
31 km
1510
OSAKA BAY
Earthquake
2.0 m
-
138 km
1808
E. AWA, TOKUSHIMA PREFECTURE
Earthquake
1.5 m
-
69 km
1995
KOBE, JAPAN
Earthquake
0.3 m
6,434
111 km
1791
OASAKA BAY
Earthquake
-
-
133 km
1498
NANKAIDO
Earthquake
-
-
120 km
1361
NANKAIDO
Earthquake
-
660
144 km
1331
OFF TANABE, WAKAYAMA PREFECTURE
Earthquake
-
-
111 km
745
OSAKA BAY, JAPAN
Earthquake
-
-
129 km
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km.
Closest: Sanbesan (181 km).
Name
Type
Elevation
Last Eruption
Distance
Sanbesan
Stratovolcano
1,126 m (3,694 ft)
650
181 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
36°F (2°C)
2.1 in
Coldest
February
37°F (3°C)
2.7 in
March
44°F (6°C)
4.2 in
April
54°F (12°C)
6.8 in
May
62°F (17°C)
7.3 in
June
68°F (20°C)
11.1 in
Wettest
July
76°F (24°C)
9.3 in
August
77°F (25°C)
6.4 in
Warmest
September
70°F (21°C)
10.6 in
October
60°F (16°C)
5.6 in
November
50°F (10°C)
3.5 in
December
41°F (5°C)
1.8 in
Driest
Sadamitsu has a seasonal temperature swing of 41°F / from 36°F in January to 77°F in August. Total annual precipitation is 71.3 inches, with June being the wettest month (11.1") and December the driest (1.8").