Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Omaezaki enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 44°F in January while summers reach 77°F in July. The area gets 166 sunny days per year, below the national average of 205. Annual precipitation totals 93.9 inches (wetter than the 38-inch national average). The city sits at an elevation of 141 feet.
Temperature
44°F Jan (6°C)77°F Jul (25°C)
Annual Average
60.9°F
13% above US avg
January Average
44°F (6°C)
July Average
77°F (25°C)
Sunny Days
166 days/yr
Geography
Elevation
141 ft (43 m)
Area
442.9 sq mi (1,147.1 km²)
Population Density
70/sq mi
Coordinates
34.5988°N, 138.2193°W
Timezone
Asia/Tokyo
Precipitation & Snow
Annual Rainfall93.9"
147% above US avg
Snowfall0.0"
Wettest Month (Jun)12.32"
Driest Month (Dec)3.90"
Air Quality
Earthquake History
1,460 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M6.5.
Jul 30, 2000
94 km SSE of Shimoda, Japan
M6.5
132 km
10 km
Feb 20, 1990
28 km E of Shimoda, Japan
M6.4
95 km
14 km
Sep 3, 1991
115 km S of Shimoda, Japan
M6.4
118 km
27 km
Aug 10, 2009
8 km NE of Sagara, Japan
M6.2
17 km
40 km
Jul 1, 2000
53 km SSE of Shimoda, Japan
M6.1
94 km
10 km
Jul 15, 2000
near the south coast of Honshu, Japan
M6.1
100 km
10 km
Mar 15, 2011
6 km NNW of Fujinomiya, Japan
M6.0
82 km
9 km
Jul 7, 1995
62 km SSE of Toba, Japan
M6.0
122 km
333 km
May 4, 2014
31 km ESE of It?, Japan
M6.0
115 km
153 km
Oct 6, 1995
68 km S of Shimoda, Japan
M5.9
98 km
33 km
Aug 1, 2011
20 km E of ?yama, Japan
M5.9
20 km
13 km
Jul 8, 2000
71 km SSE of Shimoda, Japan
M5.9
103 km
10 km
Jan 15, 2007
15 km WSW of Heda, Japan
M5.9
50 km
170 km
May 23, 1997
38 km SSE of Tahara, Japan
M5.8
72 km
11 km
Feb 1, 1992
4 km SSE of Miura, Japan
M5.8
142 km
100 km
Feb 28, 1998
127 km S of ?yama, Japan
M5.7
127 km
291 km
Jul 2, 2000
71 km SSE of Shimoda, Japan
M5.7
109 km
10 km
Aug 18, 2000
64 km SSE of Shimoda, Japan
M5.7
103 km
10 km
Jul 30, 2000
90 km SSE of Shimoda, Japan
M5.7
128 km
10 km
Mar 16, 1997
5 km NE of Toyokawa, Japan
M5.6
76 km
36 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
2025
Halong
Category 4
—
258 km
2025
Nakri
Category 1
—
240 km
2024
Ampil
Category 3
98 mph
253 km
2023
Lan
Category 2
81 mph
251 km
2019
Faxai
Category 4
98 mph
91 km
2019
Hagibis
Category 2
92 mph
44 km
2018
Trami
Category 1
92 mph
265 km
2018
Jebi
Category 1
86 mph
259 km
2018
Shanshan
Category 1
75 mph
264 km
2018
Jongdari
Category 1
81 mph
45 km
2017
Lan
Category 2
104 mph
163 km
2017
Noru
Category 1
63 mph
294 km
2016
Mindulle
Category 1
75 mph
122 km
2014
Phanfone
Category 1
86 mph
37 km
2013
Wipha
Category 1
81 mph
207 km
2011
Roke
Category 3
98 mph
51 km
2010
Chaba
Category 1
75 mph
211 km
2009
Melor
Category 1
86 mph
163 km
2009
Krovanh
Category 1
69 mph
197 km
2008
Sinlaku
Category 1
75 mph
172 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
20 tsunamis recorded within 500 km.
Highest wave on record: 21.0 m (69 ft).
Year
Location
Cause
Max Wave
Deaths
Distance
1854
ENSHUNADA SEA
Earthquake
21.0 m
1,000
73 km
1923
SAGAMI BAY
Earthquake
13.0 m
105,385
130 km
1703
OFF SW BOSO PENINSULA
Earthquake
11.7 m
5,233
145 km
1707
ENSHUNADA
Earthquake
11.0 m
2,000
68 km
1944
OFF SOUTHEAST COAST KII PENINSULA
Earthquake
10.0 m
1,223
123 km
1498
ENSHUNADA SEA
Earthquake
10.0 m
5,000
68 km
1096
ENSHUNADA
Earthquake
7.0 m
—
94 km
1495
KAMAKURA, SAGAMI BAY, TOKAIDO
Earthquake
5.0 m
200
130 km
1855
ENSHUNADA
Earthquake
3.0 m
—
58 km
1433
OFF IZU-OSHIMA
Earthquake
2.0 m
—
122 km
1945
TOKAIDO
Earthquake
1.0 m
2,306
94 km
2009
HONSHU: S COAST
Earthquake
0.6 m
1
17 km
1980
HONSHU ISLAND
Earthquake
0.6 m
—
91 km
1978
TOKAIDO
Earthquake
0.4 m
25
98 km
1974
TOKAIDO
Earthquake
0.2 m
30
44 km
1982
S. OF HONSHU ISLAND
Earthquake
0.2 m
—
141 km
1990
JAPAN
Earthquake
0.2 m
—
95 km
2000
HONSHU: S COAST
Earthquake
0.1 m
—
132 km
2000
HONSHU: S COAST
Earthquake
0.1 m
—
100 km
2000
KOZU-SHIMA ISLAND, HONSHU
Earthquake
0.1 m
1
94 km
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
13 volcanoes within 200 km.
Closest: Izu-Tobu (87 km).
Name
Type
Elevation
Last Eruption
Distance
Izu-Tobu
Pyroclastic cone(s)
1,406 m (4,613 ft)
1989
87 km
Kozushima
Lava dome(s)
572 m (1,877 ft)
838
96 km
Fujisan
Stratovolcano
3,776 m (12,388 ft)
1708
97 km
Toshima
Stratovolcano
508 m (1,667 ft)
-4550
97 km
Niijima
Lava dome(s)
432 m (1,417 ft)
886
99 km
Hakoneyama
Complex
1,438 m (4,718 ft)
2015
102 km
Izu-Oshima
Stratovolcano
758 m (2,487 ft)
1990
108 km
Miyakejima
Stratovolcano
775 m (2,543 ft)
2010
132 km
Mikurajima
Stratovolcano
851 m (2,792 ft)
-4100
151 km
Ontakesan
Complex
3,067 m (10,062 ft)
2014
159 km
Yokodake
Stratovolcano(es)
2,480 m (8,136 ft)
1200
166 km
Norikuradake
Stratovolcano(es)
3,026 m (9,928 ft)
-50
178 km
Yakedake
Stratovolcano(es)
2,455 m (8,054 ft)
1995
190 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
44°F (6°C)
4.3 in
Coldest
February
44°F (7°C)
4.8 in
March
49°F (10°C)
8.1 in
April
58°F (14°C)
8.4 in
May
65°F (18°C)
8.5 in
June
70°F (21°C)
12.3 in
Wettest
July
77°F (25°C)
8.5 in
August
79°F (26°C)
7.8 in
Warmest
September
75°F (24°C)
11.0 in
October
66°F (19°C)
9.9 in
November
57°F (14°C)
6.3 in
December
48°F (9°C)
3.9 in
Driest
Omaezaki has a seasonal temperature swing of 36°F / from 44°F in January to 79°F in August. Total annual precipitation is 93.9 inches, with June being the wettest month (12.3") and December the driest (3.9").