Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Higashichichibu enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 38°F in January while summers reach 76°F in July. The area gets 246 sunny days per year, above the national average. Annual precipitation totals 49.7 inches (wetter than the 38-inch national average). The city sits at an elevation of 646 feet.
Temperature
38°F Jan (3°C)76°F Jul (24°C)
Annual Average
57.1°F
6% above US avg
January Average
38°F (3°C)
July Average
76°F (24°C)
Sunny Days
246 days/yr
Geography
Elevation
646 ft (197 m)
Area
24.8 sq mi (64.3 km²)
Population Density
109/sq mi
Coordinates
36.0582°N, 139.1946°W
Timezone
Asia/Tokyo
Precipitation & Snow
Annual Rainfall49.7"
31% above US avg
Snowfall0.0"
Wettest Month (Sep)7.64"
Driest Month (Dec)1.30"
Air Quality
Earthquake History
1,745 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M6.3.
Jun 1, 1990
near the east coast of Honshu, Japan
M6.3
119 km
67 km
Jun 3, 2000
6 km SE of Narut?, Japan
M6.2
128 km
62 km
Mar 11, 2011
13 km E of Arai, Japan
M6.2
129 km
9 km
Apr 21, 2011
6 km WNW of T?gane, Japan
M6.2
113 km
43 km
Apr 11, 2011
23 km SE of T?gane, Japan
M6.2
144 km
15 km
May 26, 2023
12 km SE of Narutō, Japan
M6.1
134 km
42 km
Mar 15, 2011
6 km NNW of Fujinomiya, Japan
M6.0
104 km
9 km
May 4, 2014
31 km ESE of It?, Japan
M6.0
129 km
153 km
Mar 14, 2012
5 km SE of Asahi, Japan
M6.0
141 km
10 km
Jul 23, 2005
9 km WSW of Ichihara, Japan
M5.9
95 km
61 km
Jan 15, 2007
15 km WSW of Heda, Japan
M5.9
139 km
170 km
Apr 10, 2005
near the east coast of Honshu, Japan
M5.9
120 km
43 km
Feb 25, 2013
29 km NE of Numata, Japan
M5.8
88 km
10 km
Apr 16, 2011
6 km ENE of Tanuma, Japan
M5.8
54 km
77 km
Apr 29, 2012
5 km NNW of T?gane, Japan
M5.8
116 km
44 km
Feb 1, 1992
4 km SSE of Miura, Japan
M5.8
113 km
100 km
Mar 11, 2011
eastern Honshu, Japan
M5.7
127 km
12 km
Jun 14, 1998
18 km NE of ?hara, Japan
M5.7
142 km
45 km
Mar 19, 2011
8 km WNW of Daigo, Japan
M5.7
126 km
6 km
Sep 20, 2003
12 km SSE of Kamogawa, Japan
M5.7
147 km
52 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
31 hurricanes (Category 1+) recorded within 500 km since 1980.
Strongest on record: Category 3.
Year
Name
Category
Max Wind
Closest
2024
Ampil
Category 3
98 mph
272 km
2019
Faxai
Category 3
98 mph
89 km
2019
Hagibis
Category 2
92 mph
54 km
2018
Jebi
Category 1
81 mph
269 km
2018
Shanshan
Category 1
75 mph
222 km
2018
Jongdari
Category 1
81 mph
222 km
2016
Mindulle
Category 1
75 mph
198 km
2014
Phanfone
Category 1
81 mph
148 km
2011
Roke
Category 2
92 mph
18 km
2009
Krovanh
Category 1
69 mph
292 km
2007
Fitow
Category 1
81 mph
51 km
2005
Mawar
Category 2
81 mph
97 km
2004
Ma-on
Category 3
92 mph
75 km
2003
Etau
Category 1
52 mph
275 km
2002
Higos
Category 2
86 mph
66 km
2001
Danas
Category 1
81 mph
70 km
2000
Kirogi
Category 1
86 mph
160 km
1998
Vicki
Category 2
69 mph
168 km
1998
Stella
Category 1
69 mph
48 km
1996
Violet
Category 1
81 mph
194 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
11 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
110 km
1495
KAMAKURA, SAGAMI BAY, TOKAIDO
Earthquake
5.0 m
200
110 km
1433
OFF IZU-OSHIMA
Earthquake
2.0 m
—
132 km
1980
HONSHU ISLAND
Earthquake
0.6 m
—
139 km
1978
TOKAIDO
Earthquake
0.4 m
25
139 km
1855
TOKAIDO
Earthquake
—
6,757
71 km
1782
ODAWARA, SAGAMI BAY
Eruption + Earthquake
—
—
116 km
1633
SAGAMI BAY
Earthquake
—
150
95 km
1257
SAGAMI BAY, JAPAN
Earthquake
—
—
99 km
1241
KAMAKURA, SAGAMI BAY
Earthquake
—
—
97 km
818
TOKAIDO
Eruption + Earthquake
—
—
96 km
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km.
Closest: Harunasan (56 km).
Name
Type
Elevation
Last Eruption
Distance
Harunasan
Stratovolcano
1,449 m (4,754 ft)
550
56 km
Akagisan
Stratovolcano
1,828 m (5,997 ft)
Unknown
56 km
Asamayama
Complex
2,568 m (8,425 ft)
2019
72 km
Yokodake
Stratovolcano(es)
2,480 m (8,136 ft)
1200
79 km
Nantaisan
Stratovolcano
2,486 m (8,156 ft)
-9540
83 km
Nikko-Shiranesan
Shield
2,578 m (8,458 ft)
1952
84 km
Kusatsu-Shiranesan
Stratovolcano(es)
2,165 m (7,103 ft)
2018
86 km
Omanago Group
Lava dome(s)
2,341 m (7,680 ft)
-3050
87 km
Fujisan
Stratovolcano
3,776 m (12,388 ft)
1708
88 km
Shiga
Shield(s)
2,041 m (6,696 ft)
Unknown
93 km
Hakoneyama
Complex
1,438 m (4,718 ft)
2015
93 km
Hiuchigatake
Stratovolcano
2,356 m (7,730 ft)
1544
100 km
Takaharayama
Stratovolcano
1,795 m (5,889 ft)
-4570
107 km
Izu-Tobu
Pyroclastic cone(s)
1,406 m (4,613 ft)
1989
129 km
Myokosan
Stratovolcano
2,454 m (8,051 ft)
-750
134 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
38°F (3°C)
1.4 in
Coldest
February
39°F (4°C)
1.9 in
March
44°F (7°C)
2.6 in
April
55°F (13°C)
3.5 in
May
63°F (17°C)
4.3 in
June
69°F (21°C)
6.5 in
July
76°F (24°C)
5.8 in
August
78°F (26°C)
7.1 in
Warmest
September
71°F (22°C)
7.6 in
Wettest
October
61°F (16°C)
5.3 in
November
50°F (10°C)
2.4 in
December
42°F (5°C)
1.3 in
Driest
Higashichichibu has a seasonal temperature swing of 41°F / from 38°F in January to 78°F in August. Total annual precipitation is 49.7 inches, with September being the wettest month (7.6") and December the driest (1.3").