Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Senzoku 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 46 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
46 ft (14 m)
Area
4.4 sq mi (11.4 km²)
Population Density
2,532/sq mi
Coordinates
35.7221°N, 139.7921°W
Timezone
Asia/Tokyo
Precipitation & Snow
Annual Rainfall50.3"
32% above US avg
Snowfall0.5"
Wettest Month (Sep)7.95"
Driest Month (Dec)1.57"
Air Quality
Earthquake History
2,576 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
134 km
43 km
Feb 20, 1990
28 km E of Shimoda, Japan
M6.4
123 km
14 km
Jun 1, 1990
near the east coast of Honshu, Japan
M6.3
54 km
67 km
Sep 11, 1996
23 km SSE of Hasaki, Japan
M6.2
106 km
55 km
Apr 11, 2011
23 km SE of T?gane, Japan
M6.2
79 km
15 km
Jun 3, 2000
6 km SE of Narut?, Japan
M6.2
64 km
62 km
Apr 21, 2011
6 km WNW of T?gane, Japan
M6.2
49 km
43 km
May 26, 2023
12 km SE of Narutō, Japan
M6.1
70 km
42 km
Jun 5, 2012
75 km ESE of ?hara, Japan
M6.1
149 km
15 km
Aug 5, 1990
43 km E of ?arai, Japan
M6.1
132 km
27 km
Jul 20, 2000
31 km ESE of Hitachi, Japan
M6.0
138 km
47 km
Mar 14, 2012
5 km SE of Asahi, Japan
M6.0
82 km
10 km
Apr 3, 2004
37 km ESE of Hitachi, Japan
M6.0
135 km
31 km
Mar 11, 2011
4 km ESE of Hasaki, Japan
M6.0
98 km
48 km
Jan 9, 1995
48 km ENE of Hasaki, Japan
M6.0
141 km
33 km
Mar 15, 2011
6 km NNW of Fujinomiya, Japan
M6.0
120 km
9 km
Aug 6, 1991
19 km E of Hasaki, Japan
M6.0
113 km
29 km
May 4, 2014
31 km ESE of It?, Japan
M6.0
96 km
153 km
Jul 23, 2005
9 km WSW of Ichihara, Japan
M5.9
30 km
61 km
Apr 10, 2005
near the east coast of Honshu, Japan
M5.9
57 km
43 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
38 hurricanes (Category 1+) recorded within 500 km since 1980.
Strongest on record: Category 3.
Year
Name
Category
Max Wind
Closest
2025
Nakri
Category 1
—
292 km
2024
Ampil
Category 3
98 mph
206 km
2024
Jebi
Category 1
75 mph
242 km
2019
Faxai
Category 3
98 mph
27 km
2019
Hagibis
Category 2
92 mph
38 km
2018
Jongdari
Category 2
86 mph
195 km
2018
Shanshan
Category 1
81 mph
157 km
2016
Mindulle
Category 1
75 mph
160 km
2016
Lionrock
Category 1
75 mph
254 km
2014
Phanfone
Category 1
81 mph
156 km
2011
Roke
Category 2
92 mph
57 km
2009
Krovanh
Category 1
69 mph
247 km
2007
Fitow
Category 1
81 mph
55 km
2005
Saola
Category 2
86 mph
265 km
2005
Mawar
Category 2
81 mph
37 km
2004
Ma-on
Category 3
92 mph
14 km
2003
Choi-wan
Category 3
81 mph
282 km
2002
Higos
Category 2
86 mph
22 km
2002
Phanfone
Category 1
75 mph
291 km
2001
Vipa
Category 1
63 mph
254 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
19 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
74 km
1703
OFF SW BOSO PENINSULA
Earthquake
11.7 m
5,233
114 km
1495
KAMAKURA, SAGAMI BAY, TOKAIDO
Earthquake
5.0 m
200
74 km
1732
KUJUKURI BEACH, JAPAN
Earthquake
2.0 m
—
108 km
1670
BOSO, JAPAN
Earthquake
2.0 m
—
112 km
1433
OFF IZU-OSHIMA
Earthquake
2.0 m
—
95 km
1980
HONSHU ISLAND
Earthquake
0.6 m
—
116 km
1978
TOKAIDO
Earthquake
0.4 m
25
113 km
1923
RYUKYU ISLANDS
Earthquake
0.3 m
—
99 km
1896
KASHIMA, JAPAN
Earthquake
0.3 m
—
139 km
1990
JAPAN
Earthquake
0.2 m
—
123 km
1855
TOKAIDO
Earthquake
—
6,757
8 km
1782
ODAWARA, SAGAMI BAY
Eruption + Earthquake
—
—
70 km
1642
BOSO, JAPAN
Earthquake
—
—
93 km
1633
SAGAMI BAY
Earthquake
—
150
79 km
1602
BOSO, JAPAN
Eruption + Earthquake
—
—
94 km
1257
SAGAMI BAY, JAPAN
Earthquake
—
—
64 km
1241
KAMAKURA, SAGAMI BAY
Earthquake
—
—
68 km
818
TOKAIDO
Eruption + Earthquake
—
—
73 km
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km.
Closest: Hakoneyama (89 km).
Name
Type
Elevation
Last Eruption
Distance
Hakoneyama
Complex
1,438 m (4,718 ft)
2015
89 km
Fujisan
Stratovolcano
3,776 m (12,388 ft)
1708
104 km
Akagisan
Stratovolcano
1,828 m (5,997 ft)
Unknown
108 km
Izu-Tobu
Pyroclastic cone(s)
1,406 m (4,613 ft)
1989
111 km
Izu-Oshima
Stratovolcano
758 m (2,487 ft)
1990
117 km
Harunasan
Stratovolcano
1,449 m (4,754 ft)
550
119 km
Nantaisan
Stratovolcano
2,486 m (8,156 ft)
-9540
119 km
Omanago Group
Lava dome(s)
2,341 m (7,680 ft)
-3050
122 km
Nikko-Shiranesan
Shield
2,578 m (8,458 ft)
1952
125 km
Takaharayama
Stratovolcano
1,795 m (5,889 ft)
-4570
131 km
Asamayama
Complex
2,568 m (8,425 ft)
2019
137 km
Yokodake
Stratovolcano(es)
2,480 m (8,136 ft)
1200
139 km
Toshima
Stratovolcano
508 m (1,667 ft)
-4550
142 km
Hiuchigatake
Stratovolcano
2,356 m (7,730 ft)
1544
144 km
Kusatsu-Shiranesan
Stratovolcano(es)
2,165 m (7,103 ft)
2018
151 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
42°F (6°C)
1.7 in
February
42°F (6°C)
2.3 in
Coldest
March
47°F (9°C)
4.0 in
April
58°F (14°C)
4.7 in
May
66°F (19°C)
5.1 in
June
71°F (22°C)
6.9 in
July
82°F (28°C)
6.2 in
Warmest
August
81°F (27°C)
6.2 in
September
74°F (23°C)
8.0 in
Wettest
October
64°F (18°C)
6.6 in
November
54°F (12°C)
3.4 in
December
45°F (7°C)
1.6 in
Driest
Senzoku has a seasonal temperature swing of 40°F / from 42°F in February to 82°F in July. Total annual precipitation is 56.4 inches, with September being the wettest month (8.0") and December the driest (1.6").