Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sakamoto experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 36°F in January while summers reach 72°F in July. The area gets 250 sunny days per year, above the national average. Annual precipitation totals 47.5 inches (wetter than the 38-inch national average). The city sits at an elevation of 82 feet.
Temperature
36°F Jan (2°C)72°F Jul (22°C)
Annual Average
54.4°F
1% above US avg
January Average
36°F (2°C)
July Average
72°F (22°C)
Sunny Days
250 days/yr
Geography
Elevation
82 ft (25 m)
Area
98.3 sq mi (254.5 km²)
Population Density
123/sq mi
Coordinates
37.9167°N, 140.9000°W
Timezone
Asia/Tokyo
Precipitation & Snow
Annual Rainfall47.5"
25% above US avg
Snowfall0.0"
Wettest Month (Sep)7.28"
Driest Month (Jan)1.30"
Air Quality
Earthquake History
3,148 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M9.1.
Mar 11, 2011
2011 Great Tohoku Earthquake, Japan
M9.1
136 km
29 km
Mar 16, 2022
57 km ENE of Namie, Japan
M7.3
64 km
41 km
Apr 7, 2011
29 km ESE of Ishinomaki, Japan
M7.1
72 km
42 km
Feb 13, 2021
73 km ENE of Namie, Japan
M7.1
80 km
44 km
Jul 19, 2008
107 km E of Namie, Japan
M7.0
123 km
22 km
Mar 20, 2021
30 km E of Ishinomaki, Japan
M7.0
88 km
43 km
May 26, 2003
27 km SSW of ?funato, Japan
M7.0
119 km
68 km
Jun 13, 2008
24 km WSW of Mizusawa, Japan
M6.9
124 km
8 km
May 1, 2021
30 km SSE of Onagawa Ch?, Japan
M6.9
69 km
43 km
May 12, 2015
32 km SE of ?funato, Japan
M6.8
148 km
35 km
Feb 16, 1996
123 km E of Namie, Japan
M6.7
145 km
41 km
Apr 11, 2011
17 km SSW of Ishikawa, Japan
M6.6
111 km
11 km
Mar 14, 2010
59 km ENE of Namie, Japan
M6.5
64 km
32 km
Jun 18, 2019
31 km WSW of Tsuruoka, Japan
M6.4
148 km
12 km
Nov 3, 2002
30 km SE of ?funato, Japan
M6.4
143 km
39 km
Aug 4, 2019
61 km ENE of Namie, Japan
M6.3
64 km
38 km
Jul 30, 2011
13 km SSE of Iwaki, Japan
M6.3
109 km
38 km
Jul 24, 2011
43 km NE of Namie, Japan
M6.3
48 km
40 km
Mar 11, 2011
103 km E of Namie, Japan
M6.3
115 km
51 km
Mar 11, 2011
30 km NNE of Namie, Japan
M6.3
34 km
32 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
20 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
286 km
2024
Jebi
Category 1
75 mph
235 km
2019
Faxai
Category 2
92 mph
143 km
2019
Hagibis
Category 1
81 mph
85 km
2016
Lionrock
Category 1
75 mph
270 km
2011
Roke
Category 1
81 mph
270 km
2007
Fitow
Category 1
75 mph
299 km
2005
Mawar
Category 2
75 mph
197 km
2004
Ma-on
Category 2
69 mph
135 km
2002
Higos
Category 1
75 mph
33 km
2001
Danas
Category 1
63 mph
174 km
2000
Sonamu
Category 1
63 mph
248 km
2000
Kirogi
Category 1
81 mph
97 km
1998
Vicki
Category 2
63 mph
146 km
1998
Stella
Category 1
63 mph
219 km
1996
Violet
Category 1
81 mph
199 km
1995
Oscar
Category 3
98 mph
240 km
1993
Vernon
Category 1
75 mph
96 km
1981
Thad
Category 1
—
225 km
1981
Gay
Category 1
75 mph
223 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
20 tsunamis recorded within 500 km.
Highest wave on record: 39.3 m (129 ft).
Year
Location
Cause
Max Wave
Deaths
Distance
2011
HONSHU ISLAND
Earthquake
39.3 m
18,423
136 km
1835
SANRIKU
Earthquake
5.0 m
—
88 km
1861
OFF MIYAGI
Earthquake
3.9 m
—
116 km
2008
ARATOZAWA, JAPAN
Eruption + Earthquake
2.5 m
23
124 km
2016
E. COAST HONSHU ISLAND
Earthquake
1.4 m
—
72 km
1938
OFF FUKUSHIMA PREFECTURE
Earthquake
1.3 m
—
92 km
1938
OFF FUKUSHIMA PREFECTURE
Earthquake
1.3 m
—
124 km
1897
SANRIKU
Earthquake
1.0 m
—
90 km
1938
JAPAN TRENCH
Earthquake
0.8 m
—
142 km
1959
SANRIKU
Earthquake
0.8 m
—
123 km
1938
SANRIKU
Earthquake
0.8 m
—
115 km
1936
SANRIKU
Earthquake
0.7 m
—
118 km
1978
SANRIKU
Earthquake
0.6 m
28
104 km
1938
SANRIKU
Earthquake
0.6 m
1
115 km
1938
SANRIKU
Earthquake
0.6 m
—
106 km
2022
OFF FUKUSHIMA PREFECTURE
Earthquake
0.3 m
4
64 km
2008
OFF EAST COAST OF HONSHU ISLAND
Earthquake
0.2 m
—
123 km
1933
SANRIKU
Earthquake
0.2 m
—
133 km
2019
NIIGATA
Earthquake
0.1 m
—
149 km
2021
OFF FUKUSHIMA PREFECTURE
Earthquake
0.1 m
1
77 km
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
14 volcanoes within 200 km.
Closest: Zaozan [Zaosan] (48 km).
Name
Type
Elevation
Last Eruption
Distance
Zaozan [Zaosan]
Complex
1,841 m (6,040 ft)
1940
48 km
Azumayama
Stratovolcano(es)
1,949 m (6,394 ft)
1977
61 km
Adatarayama
Stratovolcano(es)
1,728 m (5,669 ft)
1996
62 km
Bandaisan
Stratovolcano
1,816 m (5,958 ft)
1888
81 km
Naruko
Caldera
470 m (1,542 ft)
837
92 km
Kurikomayama
Stratovolcano
1,627 m (5,338 ft)
1950
117 km
Nasudake
Stratovolcano(es)
1,915 m (6,283 ft)
1963
121 km
Numazawa
Shield
835 m (2,740 ft)
-3400
129 km
Takaharayama
Stratovolcano
1,795 m (5,889 ft)
-4570
150 km
Chokaisan
Stratovolcano(es)
2,236 m (7,336 ft)
1974
151 km
Omanago Group
Lava dome(s)
2,341 m (7,680 ft)
-3050
175 km
Hiuchigatake
Stratovolcano
2,356 m (7,730 ft)
1544
178 km
Nantaisan
Stratovolcano
2,486 m (8,156 ft)
-9540
179 km
Nikko-Shiranesan
Shield
2,578 m (8,458 ft)
1952
183 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
36°F (2°C)
1.3 in
Coldest, Driest
February
36°F (2°C)
1.9 in
March
41°F (5°C)
2.7 in
April
51°F (11°C)
3.7 in
May
59°F (15°C)
3.9 in
June
65°F (18°C)
5.5 in
July
72°F (22°C)
5.8 in
August
75°F (24°C)
6.1 in
Warmest
September
69°F (21°C)
7.3 in
Wettest
October
59°F (15°C)
5.1 in
November
49°F (10°C)
2.6 in
December
41°F (5°C)
1.5 in
Sakamoto has a seasonal temperature swing of 40°F / from 36°F in January to 75°F in August. Total annual precipitation is 47.5 inches, with September being the wettest month (7.3") and January the driest (1.3").