Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sarugamori experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 30°F in January while summers reach 66°F in July. The area gets 248 sunny days per year, above the national average. Annual precipitation totals 48.3 inches (wetter than the 38-inch national average). The area receives 11.9 inches of snow annually. The city sits at an elevation of 92 feet.
Temperature
30°F Jan (-1°C)66°F Jul (19°C)
Annual Average
48.2°F
11% below US avg
January Average
30°F (-1°C)
July Average
66°F (19°C)
Sunny Days
248 days/yr
Geography
Elevation
92 ft (28 m)
Area
591.2 sq mi (1,531.2 km²)
Population Density
10/sq mi
Coordinates
41.2911°N, 141.3964°W
Timezone
Asia/Tokyo
Precipitation & Snow
Annual Rainfall48.3"
27% above US avg
Snowfall11.9"
Wettest Month (Sep)6.57"
Driest Month (Feb)2.64"
Air Quality
Earthquake History
1,270 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M7.0.
Jan 6, 1995
63 km ESE of Hachinohe, Japan
M7.0
133 km
27 km
Jan 14, 2016
52 km SE of Shizunai-furukawach?, Japan
M6.7
138 km
46 km
Aug 13, 2001
87 km ENE of Misawa, Japan
M6.4
81 km
38 km
Nov 26, 1991
33 km SSE of Shizunai-furukawach?, Japan
M6.4
126 km
56 km
Jan 24, 2018
99 km ENE of Misawa, Japan
M6.3
89 km
31 km
Aug 24, 1992
9 km NNW of Honch?, Japan
M6.2
98 km
121 km
Jul 12, 1992
70 km ENE of Mutsu, Japan
M6.2
56 km
64 km
Mar 17, 2011
57 km NNE of Miyako, Japan
M6.2
144 km
29 km
Jun 11, 2023
20 km WSW of Biratori, Japan
M6.2
144 km
121 km
Oct 14, 2002
87 km E of Mutsu, Japan
M6.1
73 km
61 km
Jun 8, 2015
74 km ENE of Mutsu, Japan
M6.1
61 km
42 km
Aug 10, 2014
78 km E of Mutsu, Japan
M6.1
63 km
41 km
Feb 20, 1997
61 km SSE of Shizunai-furukawach?, Japan
M6.0
129 km
33 km
Mar 28, 2023
Hokkaido, Japan region
M6.0
120 km
37 km
Jan 7, 1995
76 km NNE of Miyako, Japan
M6.0
141 km
32 km
Mar 18, 1999
140 km ENE of Hachinohe, Japan
M5.9
134 km
41 km
May 5, 2023
68 km ENE of Mutsu, Japan
M5.9
55 km
59 km
Aug 11, 2023
Hokkaido, Japan region
M5.9
121 km
34 km
Apr 1, 2024
7 km SW of Kuji, Japan
M5.9
130 km
73 km
May 23, 2012
72 km E of Mutsu, Japan
M5.9
58 km
46 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
3 hurricanes (Category 1+) recorded within 500 km since 1980.
Strongest on record: Category 1.
Year
Name
Category
Max Wind
Closest
2002
Higos
Category 1
69 mph
88 km
2000
Kirogi
Category 1
63 mph
271 km
1998
Vicki
Category 1
58 mph
133 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
17 tsunamis recorded within 500 km.
Highest wave on record: 8.0 m (26 ft).
Year
Location
Cause
Max Wave
Deaths
Distance
1640
SE. HOKKAIDO ISLAND
Explosion
8.0 m
700
105 km
1763
SANRIKU
Earthquake
5.0 m
—
75 km
1793
W. OFF AOMORI
Earthquake
1.8 m
12
131 km
1982
HOKKAIDO ISLAND
Earthquake
1.3 m
110
125 km
2025
OFF NORTHEAST COAST HONSHU
Earthquake
0.7 m
—
72 km
1901
OFF NORTHEAST COAST HONSHU
Earthquake
0.6 m
—
128 km
1968
OFF COAST OF HONSHU ISLAND
Earthquake
0.6 m
—
111 km
1912
SANRIKU
Earthquake
0.5 m
—
102 km
1945
SANRIKU
Earthquake
0.4 m
2
73 km
1931
SANRIKU
Earthquake
0.4 m
—
93 km
1960
SANRIKU
Earthquake
0.3 m
—
144 km
1901
OFF NORTHEAST COAST HONSHU
Earthquake
0.3 m
18
108 km
2025
OFF NORTHEAST COAST HONSHU
Earthquake
0.2 m
—
120 km
1901
OFF NORTHEAST COAST HONSHU
Earthquake
0.0 m
—
128 km
1766
SANRIKU
Earthquake
—
1,700
73 km
1763
N. SANRIKU
Earthquake
—
—
98 km
1763
SANRIKU, HACHIONHE
Earthquake
—
—
83 km
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km.
Closest: Osorezan (23 km).
Name
Type
Elevation
Last Eruption
Distance
Osorezan
Stratovolcano
878 m (2,881 ft)
1787
23 km
Esan
Lava dome(s)
618 m (2,028 ft)
1874
60 km
Hakkodasan
Stratovolcano(es)
1,585 m (5,200 ft)
1550
83 km
Towada
Caldera
1,011 m (3,317 ft)
915
97 km
Hokkaido-Komagatake
Stratovolcano
1,131 m (3,711 ft)
2000
105 km
Iwakisan
Stratovolcano
1,625 m (5,331 ft)
1863
116 km
Kuttara
Stratovolcano(es)
549 m (1,801 ft)
1820
135 km
Toya
Stratovolcano
733 m (2,405 ft)
2001
147 km
Hachimantai
Stratovolcano
1,613 m (5,292 ft)
-5350
155 km
Shikotsu
Caldera
1,320 m (4,331 ft)
1979
155 km
Akita-Yakeyama
Stratovolcano
1,366 m (4,482 ft)
1997
157 km
Iwatesan
Complex
2,038 m (6,686 ft)
1919
163 km
Oshima-Oshima
Stratovolcano
732 m (2,402 ft)
1790
171 km
Akita-Komagatake
Stratovolcano(es)
1,637 m (5,371 ft)
1971
178 km
Yoteizan
Stratovolcano
1,888 m (6,194 ft)
-1050
178 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
30°F (-1°C)
3.3 in
February
29°F (-2°C)
2.6 in
Coldest, Driest
March
34°F (1°C)
2.7 in
April
44°F (7°C)
3.3 in
May
53°F (11°C)
3.4 in
June
58°F (15°C)
4.1 in
July
66°F (19°C)
5.1 in
August
70°F (21°C)
5.8 in
Warmest
September
64°F (18°C)
6.6 in
Wettest
October
54°F (12°C)
4.3 in
November
43°F (6°C)
4.1 in
December
34°F (1°C)
3.2 in
Sarugamori has a seasonal temperature swing of 41°F / from 29°F in February to 70°F in August. Total annual precipitation is 48.3 inches, with September being the wettest month (6.6") and February the driest (2.6").