Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Hayashima 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 235 sunny days per year, above the national average. Annual precipitation totals 55.7 inches (wetter than the 38-inch national average). The city sits at an elevation of 13 feet.
Temperature
40°F Jan (4°C)80°F Jul (27°C)
Annual Average
59.6°F
10% above US avg
January Average
40°F (4°C)
July Average
80°F (27°C)
Sunny Days
235 days/yr
Geography
Elevation
13 ft (4 m)
Area
3.7 sq mi (9.5 km²)
Population Density
3,472/sq mi
Coordinates
34.6039°N, 133.8295°W
Timezone
Asia/Tokyo
Precipitation & Snow
Annual Rainfall55.7"
47% above US avg
Snowfall0.0"
Wettest Month (Jun)8.86"
Driest Month (Dec)1.26"
Air Quality
Earthquake History
152 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
109 km
22 km
Mar 24, 2001
16 km SSW of Kure, Japan
M6.8
133 km
50 km
Oct 6, 2000
8 km ESE of Matsue, Japan
M6.7
114 km
10 km
Apr 12, 2013
6 km WNW of Sumoto, Japan
M5.8
95 km
14 km
Apr 8, 2018
8 km NNE of ?dach?-?da, Japan
M5.7
137 km
10 km
Aug 28, 1991
9 km SSW of Yasugich?, Japan
M5.5
99 km
13 km
Oct 8, 2000
32 km N of Sh?bara, Japan
M5.4
94 km
10 km
Sep 24, 2003
5 km WNW of Ayabe, Japan
M5.4
147 km
372 km
Jan 11, 2001
15 km E of Tottori, Japan
M5.3
110 km
33 km
Sep 16, 2002
24 km SW of Kurayoshi, Japan
M5.3
74 km
10 km
Sep 3, 1997
21 km S of Yasugich?, Japan
M5.3
89 km
10 km
Oct 8, 2000
8 km SSW of Yonago, Japan
M5.2
97 km
10 km
Mar 13, 2019
22 km ESE of Anan, Japan
M5.2
129 km
37 km
Mar 25, 2001
22 km WNW of H?j?, Japan
M5.2
135 km
43 km
Apr 26, 2007
15 km ESE of Niihama, Japan
M5.1
86 km
50 km
Jul 5, 2011
12 km NNW of Gob?, Japan
M5.0
138 km
16 km
Jun 3, 2011
9 km ENE of G?tsuch?, Japan
M5.0
145 km
10 km
Jan 16, 1995
20 km SW of Akashi, Japan
M5.0
92 km
10 km
Oct 13, 1995
10 km ESE of Akashi, Japan
M4.9
117 km
18 km
Jun 16, 2022
5 km S of Komatsushimach?, Japan
M4.9
100 km
40 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 3.
Year
Name
Category
Max Wind
Closest
2023
Lan
Category 2
75 mph
199 km
2018
Jebi
Category 3
98 mph
104 km
2018
Trami
Category 1
92 mph
165 km
2018
Cimaron
Category 1
86 mph
80 km
2018
Jongdari
Category 1
75 mph
300 km
2017
Noru
Category 1
69 mph
128 km
2016
Malakas
Category 1
86 mph
203 km
2015
Goni
Category 1
81 mph
266 km
2015
Nangka
Category 1
81 mph
184 km
2014
Phanfone
Category 2
92 mph
230 km
2014
Halong
Category 1
81 mph
185 km
2012
Jelawat
Category 1
92 mph
244 km
2011
Roke
Category 3
98 mph
268 km
2011
Ma-on
Category 1
86 mph
130 km
2009
Melor
Category 1
86 mph
263 km
2008
Sinlaku
Category 1
75 mph
224 km
2007
Usagi
Category 2
92 mph
208 km
2007
Man-yi
Category 1
81 mph
232 km
2005
Nabi
Category 1
75 mph
237 km
2004
Songda
Category 2
86 mph
168 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
6 tsunamis recorded within 500 km.
Highest wave on record: 2.0 m (7 ft).
Year
Location
Cause
Max Wave
Deaths
Distance
1711
SEIONAIKAI, JAPAN
Earthquake
2.0 m
1,000
37 km
1510
OSAKA BAY
Earthquake
2.0 m
—
144 km
1808
E. AWA, TOKUSHIMA PREFECTURE
Earthquake
1.5 m
—
119 km
1995
KOBE, JAPAN
Earthquake
0.3 m
6,434
114 km
1791
OASAKA BAY
Earthquake
—
—
144 km
745
OSAKA BAY, JAPAN
Earthquake
—
—
135 km
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
2 volcanoes within 200 km.
Closest: Sanbesan (125 km).
Name
Type
Elevation
Last Eruption
Distance
Sanbesan
Stratovolcano
1,126 m (3,694 ft)
650
125 km
Oki-Dogo
Shield
151 m (495 ft)
Unknown
181 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
40°F (4°C)
1.6 in
Coldest
February
40°F (5°C)
2.2 in
March
46°F (8°C)
3.4 in
April
56°F (13°C)
5.3 in
May
65°F (18°C)
5.6 in
June
72°F (22°C)
8.9 in
Wettest
July
80°F (27°C)
8.0 in
August
82°F (28°C)
4.5 in
Warmest
September
74°F (23°C)
8.2 in
October
63°F (17°C)
4.2 in
November
53°F (12°C)
2.6 in
December
44°F (7°C)
1.3 in
Driest
Hayashima has a seasonal temperature swing of 42°F / from 40°F in January to 82°F in August. Total annual precipitation is 55.7 inches, with June being the wettest month (8.9") and December the driest (1.3").