Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sagamihara enjoys a temperate climate with an average annual temperature of 56°F (14°C). Winters average 38°F in January while summers reach 74°F in July. The area gets 228 sunny days per year, above the national average. Annual precipitation totals 59.3 inches (wetter than the 38-inch national average). The city sits at an elevation of 778 feet.
Temperature
38°F Jan (3°C)74°F Jul (23°C)
Annual Average
56.4°F
4% above US avg
January Average
38°F (3°C)
July Average
74°F (23°C)
Sunny Days
228 days/yr
Geography
Elevation
778 ft (237 m)
Area
196.9 sq mi (510.0 km²)
Population Density
3,660/sq mi
Coordinates
35.5671°N, 139.2417°W
Timezone
Asia/Tokyo
Precipitation & Snow
Annual Rainfall59.3"
56% above US avg
Snowfall0.0"
Wettest Month (Sep)8.35"
Driest Month (Dec)1.65"
Air Quality
Earthquake History
1,725 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
96 km
14 km
Jun 1, 1990
near the east coast of Honshu, Japan
M6.3
99 km
67 km
Aug 10, 2009
8 km NE of Sagara, Japan
M6.2
128 km
40 km
Apr 21, 2011
6 km WNW of T?gane, Japan
M6.2
96 km
43 km
Jun 3, 2000
6 km SE of Narut?, Japan
M6.2
111 km
62 km
Apr 11, 2011
23 km SE of T?gane, Japan
M6.2
122 km
15 km
May 26, 2023
12 km SE of Narutō, Japan
M6.1
117 km
42 km
Jul 15, 2000
near the south coast of Honshu, Japan
M6.1
139 km
10 km
Jul 1, 2000
53 km SSE of Shimoda, Japan
M6.1
150 km
10 km
Mar 11, 2011
4 km ESE of Hasaki, Japan
M6.0
149 km
48 km
Mar 15, 2011
6 km NNW of Fujinomiya, Japan
M6.0
68 km
9 km
May 4, 2014
31 km ESE of It?, Japan
M6.0
75 km
153 km
Mar 14, 2012
5 km SE of Asahi, Japan
M6.0
132 km
10 km
Apr 10, 2005
near the east coast of Honshu, Japan
M5.9
105 km
43 km
Jan 15, 2007
15 km WSW of Heda, Japan
M5.9
93 km
170 km
Jul 23, 2005
9 km WSW of Ichihara, Japan
M5.9
67 km
61 km
Aug 1, 2011
20 km E of ?yama, Japan
M5.9
128 km
13 km
Feb 1, 1992
4 km SSE of Miura, Japan
M5.8
63 km
100 km
Feb 25, 2013
29 km NE of Numata, Japan
M5.8
142 km
10 km
Apr 29, 2012
5 km NNW of T?gane, Japan
M5.8
100 km
44 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
39 hurricanes (Category 1+) recorded within 500 km since 1980.
Strongest on record: Category 4.
Year
Name
Category
Max Wind
Closest
2025
Nakri
Category 1
—
291 km
2024
Ampil
Category 3
98 mph
235 km
2024
Jebi
Category 1
75 mph
282 km
2019
Faxai
Category 4
98 mph
51 km
2019
Hagibis
Category 2
92 mph
15 km
2018
Jongdari
Category 2
86 mph
175 km
2018
Shanshan
Category 1
81 mph
189 km
2016
Mindulle
Category 1
75 mph
143 km
2014
Phanfone
Category 1
81 mph
107 km
2011
Roke
Category 3
92 mph
37 km
2009
Melor
Category 1
86 mph
298 km
2009
Krovanh
Category 1
69 mph
238 km
2007
Fitow
Category 1
81 mph
5 km
2005
Saola
Category 2
86 mph
291 km
2005
Mawar
Category 2
86 mph
57 km
2004
Ma-on
Category 4
92 mph
41 km
2003
Choi-wan
Category 3
81 mph
295 km
2003
Etau
Category 1
52 mph
275 km
2002
Higos
Category 2
86 mph
52 km
2002
Phanfone
Category 1
75 mph
299 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
57 km
1703
OFF SW BOSO PENINSULA
Earthquake
11.7 m
5,233
109 km
1495
KAMAKURA, SAGAMI BAY, TOKAIDO
Earthquake
5.0 m
200
57 km
1732
KUJUKURI BEACH, JAPAN
Earthquake
2.0 m
—
147 km
1433
OFF IZU-OSHIMA
Earthquake
2.0 m
—
78 km
2009
HONSHU: S COAST
Earthquake
0.6 m
1
128 km
1980
HONSHU ISLAND
Earthquake
0.6 m
—
85 km
1978
TOKAIDO
Earthquake
0.4 m
25
84 km
1923
RYUKYU ISLANDS
Earthquake
0.3 m
—
114 km
1974
TOKAIDO
Earthquake
0.2 m
30
118 km
1990
JAPAN
Earthquake
0.2 m
—
96 km
2000
HONSHU: S COAST
Earthquake
0.1 m
—
139 km
2000
KOZU-SHIMA ISLAND, HONSHU
Earthquake
0.1 m
1
150 km
1857
TOKAIDO
Earthquake
—
—
121 km
1855
TOKAIDO
Earthquake
—
6,757
51 km
1782
ODAWARA, SAGAMI BAY
Eruption + Earthquake
—
—
67 km
1642
BOSO, JAPAN
Earthquake
—
—
130 km
1633
SAGAMI BAY
Earthquake
—
150
41 km
1602
BOSO, JAPAN
Eruption + Earthquake
—
—
125 km
1589
SURUGA, JAPAN
Earthquake
—
—
127 km
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km.
Closest: Hakoneyama (42 km).
Name
Type
Elevation
Last Eruption
Distance
Hakoneyama
Complex
1,438 m (4,718 ft)
2015
42 km
Fujisan
Stratovolcano
3,776 m (12,388 ft)
1708
52 km
Izu-Tobu
Pyroclastic cone(s)
1,406 m (4,613 ft)
1989
75 km
Izu-Oshima
Stratovolcano
758 m (2,487 ft)
1990
95 km
Yokodake
Stratovolcano(es)
2,480 m (8,136 ft)
1200
101 km
Harunasan
Stratovolcano
1,449 m (4,754 ft)
550
107 km
Akagisan
Stratovolcano
1,828 m (5,997 ft)
Unknown
111 km
Asamayama
Complex
2,568 m (8,425 ft)
2019
114 km
Toshima
Stratovolcano
508 m (1,667 ft)
-4550
117 km
Niijima
Lava dome(s)
432 m (1,417 ft)
886
130 km
Kusatsu-Shiranesan
Stratovolcano(es)
2,165 m (7,103 ft)
2018
133 km
Nantaisan
Stratovolcano
2,486 m (8,156 ft)
-9540
135 km
Nikko-Shiranesan
Shield
2,578 m (8,458 ft)
1952
138 km
Omanago Group
Lava dome(s)
2,341 m (7,680 ft)
-3050
139 km
Shiga
Shield(s)
2,041 m (6,696 ft)
Unknown
141 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
38°F (3°C)
1.7 in
Coldest
February
38°F (4°C)
2.2 in
March
44°F (6°C)
3.7 in
April
54°F (12°C)
4.5 in
May
62°F (17°C)
5.5 in
June
68°F (20°C)
7.8 in
July
74°F (23°C)
6.1 in
August
77°F (25°C)
8.0 in
Warmest
September
70°F (21°C)
8.4 in
Wettest
October
60°F (16°C)
6.7 in
November
51°F (10°C)
3.1 in
December
42°F (6°C)
1.7 in
Driest
Sagamihara has a seasonal temperature swing of 39°F / from 38°F in January to 77°F in August. Total annual precipitation is 59.3 inches, with September being the wettest month (8.4") and December the driest (1.7").