Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Saruhashi experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 34°F in January while summers reach 71°F in July. The area gets 231 sunny days per year, above the national average. Annual precipitation totals 57.7 inches (wetter than the 38-inch national average). The area receives 3.6 inches of snow annually. The city sits at an elevation of 1,033 feet.
Temperature
34°F Jan (1°C)71°F Jul (22°C)
Annual Average
53.0°F
2% below US avg
January Average
34°F (1°C)
July Average
71°F (22°C)
Sunny Days
231 days/yr
Geography
Elevation
1,033 ft (315 m)
Area
131.5 sq mi (340.5 km²)
Population Density
47/sq mi
Coordinates
35.6167°N, 138.9833°W
Timezone
Asia/Tokyo
Precipitation & Snow
Annual Rainfall57.7"
52% above US avg
Snowfall3.6"
Wettest Month (Aug)8.90"
Driest Month (Dec)1.34"
Air Quality
Earthquake History
1,467 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M6.4.
Feb 20, 1990
28 km E of Shimoda, Japan
M6.4
104 km
14 km
Jun 1, 1990
near the east coast of Honshu, Japan
M6.3
123 km
67 km
Apr 21, 2011
6 km WNW of T?gane, Japan
M6.2
120 km
43 km
Aug 10, 2009
8 km NE of Sagara, Japan
M6.2
117 km
40 km
Jun 3, 2000
6 km SE of Narut?, Japan
M6.2
134 km
62 km
Apr 11, 2011
23 km SE of T?gane, Japan
M6.2
146 km
15 km
Jul 15, 2000
near the south coast of Honshu, Japan
M6.1
147 km
10 km
May 26, 2023
12 km SE of Narutō, Japan
M6.1
140 km
42 km
May 4, 2014
31 km ESE of It?, Japan
M6.0
88 km
153 km
Mar 15, 2011
6 km NNW of Fujinomiya, Japan
M6.0
53 km
9 km
Jul 23, 2005
9 km WSW of Ichihara, Japan
M5.9
91 km
61 km
Aug 1, 2011
20 km E of ?yama, Japan
M5.9
121 km
13 km
Jan 15, 2007
15 km WSW of Heda, Japan
M5.9
86 km
170 km
Apr 10, 2005
near the east coast of Honshu, Japan
M5.9
128 km
43 km
Apr 16, 2011
6 km ENE of Tanuma, Japan
M5.8
104 km
77 km
Feb 1, 1992
4 km SSE of Miura, Japan
M5.8
83 km
100 km
Feb 25, 2013
29 km NE of Numata, Japan
M5.8
139 km
10 km
Apr 29, 2012
5 km NNW of T?gane, Japan
M5.8
124 km
44 km
Jun 14, 1998
18 km NE of ?hara, Japan
M5.7
142 km
45 km
Sep 20, 2003
12 km SSE of Kamogawa, Japan
M5.7
128 km
52 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
35 hurricanes (Category 1+) recorded within 500 km since 1980.
Strongest on record: Category 4.
Year
Name
Category
Max Wind
Closest
2024
Ampil
Category 3
98 mph
256 km
2019
Faxai
Category 4
98 mph
74 km
2019
Hagibis
Category 2
92 mph
38 km
2018
Jongdari
Category 2
86 mph
169 km
2018
Jebi
Category 1
81 mph
284 km
2018
Shanshan
Category 1
81 mph
213 km
2017
Lan
Category 1
98 mph
296 km
2016
Mindulle
Category 1
75 mph
154 km
2014
Phanfone
Category 1
81 mph
96 km
2011
Roke
Category 3
92 mph
37 km
2009
Melor
Category 1
86 mph
282 km
2009
Krovanh
Category 1
69 mph
250 km
2007
Fitow
Category 1
81 mph
20 km
2005
Mawar
Category 2
86 mph
74 km
2004
Ma-on
Category 4
92 mph
55 km
2003
Etau
Category 1
52 mph
252 km
2002
Higos
Category 2
86 mph
73 km
2001
Vipa
Category 1
69 mph
292 km
2001
Danas
Category 1
81 mph
66 km
2000
Kirogi
Category 1
86 mph
159 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
74 km
1703
OFF SW BOSO PENINSULA
Earthquake
11.7 m
5,233
126 km
1495
KAMAKURA, SAGAMI BAY, TOKAIDO
Earthquake
5.0 m
200
74 km
1433
OFF IZU-OSHIMA
Earthquake
2.0 m
—
93 km
2009
HONSHU: S COAST
Earthquake
0.6 m
1
117 km
1980
HONSHU ISLAND
Earthquake
0.6 m
—
92 km
1978
TOKAIDO
Earthquake
0.4 m
25
93 km
1923
RYUKYU ISLANDS
Earthquake
0.3 m
—
136 km
1974
TOKAIDO
Earthquake
0.2 m
30
116 km
1990
JAPAN
Earthquake
0.2 m
—
104 km
2000
HONSHU: S COAST
Earthquake
0.1 m
—
147 km
1857
TOKAIDO
Earthquake
—
—
110 km
1855
TOKAIDO
Earthquake
—
6,757
74 km
1782
ODAWARA, SAGAMI BAY
Eruption + Earthquake
—
—
87 km
1633
SAGAMI BAY
Earthquake
—
150
50 km
1602
BOSO, JAPAN
Eruption + Earthquake
—
—
149 km
1589
SURUGA, JAPAN
Earthquake
—
—
115 km
1257
SAGAMI BAY, JAPAN
Earthquake
—
—
66 km
1241
KAMAKURA, SAGAMI BAY
Earthquake
—
—
60 km
818
TOKAIDO
Eruption + Earthquake
—
—
55 km
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km.
Closest: Fujisan (37 km).
Name
Type
Elevation
Last Eruption
Distance
Fujisan
Stratovolcano
3,776 m (12,388 ft)
1708
37 km
Hakoneyama
Complex
1,438 m (4,718 ft)
2015
43 km
Yokodake
Stratovolcano(es)
2,480 m (8,136 ft)
1200
79 km
Izu-Tobu
Pyroclastic cone(s)
1,406 m (4,613 ft)
1989
80 km
Harunasan
Stratovolcano
1,449 m (4,754 ft)
550
96 km
Asamayama
Complex
2,568 m (8,425 ft)
2019
97 km
Izu-Oshima
Stratovolcano
758 m (2,487 ft)
1990
106 km
Akagisan
Stratovolcano
1,828 m (5,997 ft)
Unknown
107 km
Kusatsu-Shiranesan
Stratovolcano(es)
2,165 m (7,103 ft)
2018
119 km
Toshima
Stratovolcano
508 m (1,667 ft)
-4550
125 km
Shiga
Shield(s)
2,041 m (6,696 ft)
Unknown
126 km
Nantaisan
Stratovolcano
2,486 m (8,156 ft)
-9540
136 km
Nikko-Shiranesan
Shield
2,578 m (8,458 ft)
1952
136 km
Niijima
Lava dome(s)
432 m (1,417 ft)
886
138 km
Ontakesan
Complex
3,067 m (10,062 ft)
2014
139 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
34°F (1°C)
1.5 in
Coldest
February
35°F (1°C)
2.1 in
March
40°F (4°C)
3.5 in
April
51°F (10°C)
4.3 in
May
59°F (15°C)
5.0 in
June
65°F (18°C)
7.3 in
July
71°F (22°C)
6.3 in
August
74°F (23°C)
8.9 in
Warmest, Wettest
September
67°F (19°C)
8.6 in
October
56°F (14°C)
6.0 in
November
48°F (9°C)
2.8 in
December
39°F (4°C)
1.3 in
Driest
Saruhashi has a seasonal temperature swing of 40°F / from 34°F in January to 74°F in August. Total annual precipitation is 57.7 inches, with August being the wettest month (8.9") and December the driest (1.3").