Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ōtaki enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 42°F in January while summers reach 82°F in July. The area gets 283 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 50.3 inches (wetter than the 38-inch national average). The city sits at an elevation of 92 feet.
Temperature
42°F Jan (6°C)82°F Jul (28°C)
Annual Average
63.1°F
17% above US avg
January Average
42°F (6°C)
July Average
82°F (28°C)
Sunny Days
283 days/yr
Geography
Elevation
92 ft (28 m)
Area
50.1 sq mi (129.9 km²)
Population Density
179/sq mi
Coordinates
35.2878°N, 140.2436°W
Timezone
Asia/Tokyo
Precipitation & Snow
Annual Rainfall50.3"
32% above US avg
Snowfall0.5"
Wettest Month (Oct)8.82"
Driest Month (Dec)2.68"
Air Quality
Earthquake History
2,762 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M7.9.
Mar 11, 2011
47 km E of ?arai, Japan
M7.9
135 km
43 km
Feb 20, 1990
28 km E of Shimoda, Japan
M6.4
111 km
14 km
Jun 1, 1990
near the east coast of Honshu, Japan
M6.3
27 km
67 km
Jun 3, 2000
6 km SE of Narut?, Japan
M6.2
36 km
62 km
Apr 11, 2011
23 km SE of T?gane, Japan
M6.2
33 km
15 km
Apr 21, 2011
6 km WNW of T?gane, Japan
M6.2
33 km
43 km
Sep 11, 1996
23 km SSE of Hasaki, Japan
M6.2
69 km
55 km
Sep 15, 2011
68 km E of ?arai, Japan
M6.1
146 km
28 km
Jun 5, 2012
75 km ESE of ?hara, Japan
M6.1
89 km
15 km
Jul 15, 2000
near the south coast of Honshu, Japan
M6.1
140 km
10 km
May 26, 2023
12 km SE of Narutō, Japan
M6.1
37 km
42 km
Aug 5, 1990
43 km E of ?arai, Japan
M6.1
136 km
27 km
Mar 13, 2011
72 km E of Hasaki, Japan
M6.1
135 km
8 km
Nov 20, 1996
115 km SE of Katsuura, Japan
M6.1
132 km
33 km
Jan 9, 1995
48 km ENE of Hasaki, Japan
M6.0
119 km
33 km
May 4, 2014
31 km ESE of It?, Japan
M6.0
86 km
153 km
Aug 6, 1991
19 km E of Hasaki, Japan
M6.0
87 km
29 km
Apr 3, 2004
37 km ESE of Hitachi, Japan
M6.0
144 km
31 km
Mar 11, 2011
4 km ESE of Hasaki, Japan
M6.0
74 km
48 km
Mar 14, 2012
5 km SE of Asahi, Japan
M6.0
60 km
10 km
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
44 hurricanes (Category 1+) recorded within 500 km since 1980.
Strongest on record: Category 4.
Year
Name
Category
Max Wind
Closest
2025
Halong
Category 3
-
266 km
2025
Nakri
Category 1
-
230 km
2024
Ampil
Category 3
98 mph
144 km
2024
Jebi
Category 1
75 mph
186 km
2021
Mindulle
Category 1
92 mph
258 km
2019
Faxai
Category 4
98 mph
39 km
2019
Hagibis
Category 2
92 mph
84 km
2018
Jongdari
Category 2
86 mph
163 km
2018
Shanshan
Category 1
81 mph
95 km
2016
Mindulle
Category 1
75 mph
129 km
2016
Lionrock
Category 1
86 mph
224 km
2014
Phanfone
Category 1
75 mph
173 km
2011
Roke
Category 1
92 mph
116 km
2009
Krovanh
Category 1
69 mph
201 km
2007
Fitow
Category 1
81 mph
101 km
2005
Saola
Category 2
86 mph
202 km
2005
Mawar
Category 2
86 mph
34 km
2004
Ma-on
Category 4
92 mph
53 km
2003
Choi-wan
Category 3
81 mph
218 km
2002
Higos
Category 2
92 mph
59 km
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tsunami History
20 tsunamis recorded within 500 km.
Highest wave on record: 13.0 m (43 ft).
Year
Location
Cause
Max Wave
Deaths
Distance
1923
SAGAMI BAY
Earthquake
13.0 m
105,385
71 km
1703
OFF SW BOSO PENINSULA
Earthquake
11.7 m
5,233
77 km
1677
OFF SE. BOSO PENINSULA
Earthquake
8.0 m
500
119 km
1495
KAMAKURA, SAGAMI BAY, TOKAIDO
Earthquake
5.0 m
200
71 km
1732
KUJUKURI BEACH, JAPAN
Earthquake
2.0 m
-
52 km
1670
BOSO, JAPAN
Earthquake
2.0 m
-
73 km
1433
OFF IZU-OSHIMA
Earthquake
2.0 m
-
80 km
1980
HONSHU ISLAND
Earthquake
0.6 m
-
111 km
1923
KASHIMA, JAPAN
Earthquake
0.4 m
-
142 km
1978
TOKAIDO
Earthquake
0.4 m
25
104 km
1923
RYUKYU ISLANDS
Earthquake
0.3 m
-
43 km
1990
JAPAN
Earthquake
0.2 m
-
111 km
2000
HONSHU: S COAST
Earthquake
0.1 m
-
140 km
1909
OFF BOSO PENINSULA
Earthquake
-
-
144 km
1909
OFF BOSO PENINSULA
Earthquake
-
-
144 km
1855
TOKAIDO
Earthquake
-
6,757
57 km
1782
ODAWARA, SAGAMI BAY
Eruption + Earthquake
-
-
54 km
1642
BOSO, JAPAN
Earthquake
-
-
34 km
1633
SAGAMI BAY
Earthquake
-
150
95 km
1602
BOSO, JAPAN
Eruption + Earthquake
-
-
31 km
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km.
Closest: Izu-Oshima (100 km).
Name
Type
Elevation
Last Eruption
Distance
Izu-Oshima
Stratovolcano
758 m (2,487 ft)
1990
100 km
Hakoneyama
Complex
1,438 m (4,718 ft)
2015
111 km
Izu-Tobu
Pyroclastic cone(s)
1,406 m (4,613 ft)
1989
113 km
Toshima
Stratovolcano
508 m (1,667 ft)
-4550
123 km
Niijima
Lava dome(s)
432 m (1,417 ft)
886
133 km
Fujisan
Stratovolcano
3,776 m (12,388 ft)
1708
138 km
Miyakejima
Stratovolcano
775 m (2,543 ft)
2010
148 km
Kozushima
Lava dome(s)
572 m (1,877 ft)
838
155 km
Mikurajima
Stratovolcano
851 m (2,792 ft)
-4100
168 km
Akagisan
Stratovolcano
1,828 m (5,997 ft)
Unknown
170 km
Nantaisan
Stratovolcano
2,486 m (8,156 ft)
-9540
178 km
Omanago Group
Lava dome(s)
2,341 m (7,680 ft)
-3050
180 km
Harunasan
Stratovolcano
1,449 m (4,754 ft)
550
182 km
Takaharayama
Stratovolcano
1,795 m (5,889 ft)
-4570
184 km
Nikko-Shiranesan
Shield
2,578 m (8,458 ft)
1952
185 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
42°F (6°C)
2.8 in
February
41°F (5°C)
3.7 in
Coldest
March
46°F (8°C)
5.8 in
April
56°F (13°C)
5.7 in
May
63°F (17°C)
6.1 in
June
69°F (20°C)
8.0 in
July
82°F (28°C)
5.2 in
Warmest
August
78°F (26°C)
5.9 in
September
73°F (23°C)
8.5 in
October
63°F (17°C)
8.8 in
Wettest
November
54°F (12°C)
5.2 in
December
45°F (7°C)
2.7 in
Driest
Ōtaki has a seasonal temperature swing of 41°F / from 41°F in February to 82°F in July. Total annual precipitation is 68.2 inches, with October being the wettest month (8.8") and December the driest (2.7").