Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Maruobara enjoys a temperate climate with an average annual temperature of 60°F (16°C). Winters average 42°F in January while summers reach 77°F in July. The area gets 175 sunny days per year. Annual precipitation totals 88.7 inches (wetter than the 38-inch national average). The city sits at an elevation of 502 feet.
Temperature
42°F Jan (6°C)77°F Jul (25°C)
Annual Average
60.2°F
11% above US avg
January Average
42°F (6°C)
July Average
77°F (25°C)
Sunny Days
175 days/yr
Geography
Elevation
502 ft (153 m)
Area
102.4 sq mi (265.1 km²)
Population Density
425/sq mi
Coordinates
34.7393°N, 138.1430°W
Timezone
Asia/Tokyo
Precipitation & Snow
Annual Rainfall88.7"
134% above US avg
Snowfall0.0"
Wettest Month (Jun)11.89"
Driest Month (Dec)3.27"
Air Quality
Earthquake History
1,382 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
147 km
10 km
Sep 3, 1991
115 km S of Shimoda, Japan
M6.4
135 km
27 km
Feb 20, 1990
28 km E of Shimoda, Japan
M6.4
101 km
14 km
Aug 10, 2009
8 km NE of Sagara, Japan
M6.2
11 km
40 km
Jul 1, 2000
53 km SSE of Shimoda, Japan
M6.1
107 km
10 km
Jul 15, 2000
near the south coast of Honshu, Japan
M6.1
113 km
10 km
May 4, 2014
31 km ESE of It?, Japan
M6.0
118 km
153 km
Mar 15, 2011
6 km NNW of Fujinomiya, Japan
M6.0
72 km
9 km
Jul 7, 1995
62 km SSE of Toba, Japan
M6.0
126 km
333 km
Oct 6, 1995
68 km S of Shimoda, Japan
M5.9
114 km
33 km
Jan 15, 2007
15 km WSW of Heda, Japan
M5.9
48 km
170 km
Aug 1, 2011
20 km E of ?yama, Japan
M5.9
29 km
13 km
Jul 8, 2000
71 km SSE of Shimoda, Japan
M5.9
118 km
10 km
May 23, 1997
38 km SSE of Tahara, Japan
M5.8
73 km
11 km
Feb 1, 1992
4 km SSE of Miura, Japan
M5.8
143 km
100 km
Jul 2, 2000
71 km SSE of Shimoda, Japan
M5.7
124 km
10 km
Aug 18, 2000
64 km SSE of Shimoda, Japan
M5.7
117 km
10 km
Feb 28, 1998
127 km S of ?yama, Japan
M5.7
143 km
291 km
Jul 30, 2000
90 km SSE of Shimoda, Japan
M5.7
143 km
10 km
Mar 4, 1997
9 km SSW of It?, Japan
M5.6
83 km
10 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
51 hurricanes (Category 1+) recorded within 500 km since 1980.
Strongest on record: Category 4.
Year
Name
Category
Max Wind
Closest
2025
Halong
Category 3
—
275 km
2025
Nakri
Category 1
—
257 km
2024
Ampil
Category 3
98 mph
266 km
2023
Lan
Category 2
81 mph
253 km
2019
Faxai
Category 4
98 mph
106 km
2019
Hagibis
Category 2
92 mph
53 km
2018
Jebi
Category 2
98 mph
246 km
2018
Trami
Category 1
92 mph
264 km
2018
Shanshan
Category 1
75 mph
270 km
2018
Jongdari
Category 1
81 mph
62 km
2017
Lan
Category 2
104 mph
172 km
2017
Noru
Category 1
63 mph
291 km
2016
Mindulle
Category 1
75 mph
134 km
2014
Phanfone
Category 1
86 mph
30 km
2013
Wipha
Category 1
81 mph
224 km
2011
Roke
Category 3
98 mph
36 km
2010
Chaba
Category 1
75 mph
227 km
2009
Melor
Category 1
86 mph
164 km
2009
Krovanh
Category 1
69 mph
213 km
2008
Sinlaku
Category 1
75 mph
179 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
85 km
1923
SAGAMI BAY
Earthquake
13.0 m
105,385
130 km
1707
ENSHUNADA
Earthquake
11.0 m
2,000
78 km
1944
OFF SOUTHEAST COAST KII PENINSULA
Earthquake
10.0 m
1,223
126 km
1498
ENSHUNADA SEA
Earthquake
10.0 m
5,000
82 km
1096
ENSHUNADA
Earthquake
7.0 m
—
101 km
1495
KAMAKURA, SAGAMI BAY, TOKAIDO
Earthquake
5.0 m
200
130 km
1855
ENSHUNADA
Earthquake
3.0 m
—
56 km
1433
OFF IZU-OSHIMA
Earthquake
2.0 m
—
125 km
1945
TOKAIDO
Earthquake
1.0 m
2,306
86 km
2009
HONSHU: S COAST
Earthquake
0.6 m
1
11 km
1980
HONSHU ISLAND
Earthquake
0.6 m
—
95 km
1978
TOKAIDO
Earthquake
0.4 m
25
102 km
1974
TOKAIDO
Earthquake
0.2 m
30
53 km
1990
JAPAN
Earthquake
0.2 m
—
101 km
2000
HONSHU: S COAST
Earthquake
0.1 m
—
147 km
2000
HONSHU: S COAST
Earthquake
0.1 m
—
113 km
2000
KOZU-SHIMA ISLAND, HONSHU
Earthquake
0.1 m
1
107 km
1857
TOKAIDO
Earthquake
—
—
16 km
1782
ODAWARA, SAGAMI BAY
Eruption + Earthquake
—
—
148 km
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km.
Closest: Fujisan (87 km).
Name
Type
Elevation
Last Eruption
Distance
Fujisan
Stratovolcano
3,776 m (12,388 ft)
1708
87 km
Izu-Tobu
Pyroclastic cone(s)
1,406 m (4,613 ft)
1989
89 km
Hakoneyama
Complex
1,438 m (4,718 ft)
2015
97 km
Toshima
Stratovolcano
508 m (1,667 ft)
-4550
107 km
Kozushima
Lava dome(s)
572 m (1,877 ft)
838
109 km
Niijima
Lava dome(s)
432 m (1,417 ft)
886
110 km
Izu-Oshima
Stratovolcano
758 m (2,487 ft)
1990
114 km
Ontakesan
Complex
3,067 m (10,062 ft)
2014
142 km
Miyakejima
Stratovolcano
775 m (2,543 ft)
2010
146 km
Yokodake
Stratovolcano(es)
2,480 m (8,136 ft)
1200
151 km
Norikuradake
Stratovolcano(es)
3,026 m (9,928 ft)
-50
161 km
Mikurajima
Stratovolcano
851 m (2,792 ft)
-4100
165 km
Yakedake
Stratovolcano(es)
2,455 m (8,054 ft)
1995
173 km
Asamayama
Complex
2,568 m (8,425 ft)
2019
189 km
Washiba-Kumonotaira
Shield(s)
2,924 m (9,593 ft)
Unknown
192 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
42°F (6°C)
3.5 in
Coldest
February
43°F (6°C)
4.3 in
March
49°F (9°C)
7.3 in
April
58°F (14°C)
8.3 in
May
64°F (18°C)
8.5 in
June
71°F (21°C)
11.9 in
Wettest
July
77°F (25°C)
9.0 in
August
79°F (26°C)
8.5 in
Warmest
September
74°F (23°C)
10.2 in
October
65°F (18°C)
8.5 in
November
56°F (13°C)
5.5 in
December
46°F (8°C)
3.3 in
Driest
Maruobara has a seasonal temperature swing of 37°F / from 42°F in January to 79°F in August. Total annual precipitation is 88.7 inches, with June being the wettest month (11.9") and December the driest (3.3").