Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Shimomatsumoto experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 32°F in January while summers reach 72°F in July. The area gets 248 sunny days per year, above the national average. Annual precipitation totals 48.5 inches (wetter than the 38-inch national average). The area receives 3.5 inches of snow annually. The city sits at an elevation of 968 feet.
Temperature
32°F Jan (0°C)72°F Jul (22°C)
Annual Average
52.0°F
4% below US avg
January Average
32°F (0°C)
July Average
72°F (22°C)
Sunny Days
248 days/yr
Geography
Elevation
968 ft (295 m)
Area
133.3 sq mi (345.2 km²)
Population Density
39/sq mi
Coordinates
37.2531°N, 140.2423°W
Timezone
Asia/Tokyo
Precipitation & Snow
Annual Rainfall48.5"
28% above US avg
Snowfall3.5"
Wettest Month (Sep)6.85"
Driest Month (Jan)1.65"
Air Quality
Earthquake History
2,571 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M7.9.
Mar 11, 2011
47 km E of ?arai, Japan
M7.9
133 km
43 km
Mar 16, 2022
57 km ENE of Namie, Japan
M7.3
129 km
41 km
Feb 13, 2021
73 km ENE of Namie, Japan
M7.1
145 km
44 km
Apr 11, 2011
17 km SSW of Ishikawa, Japan
M6.6
31 km
11 km
Mar 14, 2010
59 km ENE of Namie, Japan
M6.5
131 km
32 km
Jul 24, 2011
43 km NE of Namie, Japan
M6.3
114 km
40 km
Mar 11, 2011
30 km NNE of Namie, Japan
M6.3
98 km
32 km
Jul 30, 2011
13 km SSE of Iwaki, Japan
M6.3
72 km
38 km
Aug 4, 2019
61 km ENE of Namie, Japan
M6.3
133 km
38 km
Mar 11, 2011
61 km ESE of Namie, Japan
M6.2
120 km
40 km
Aug 19, 2011
61 km ENE of Namie, Japan
M6.2
133 km
47 km
Mar 11, 2011
70 km ESE of Kitaibaraki, Japan
M6.2
134 km
40 km
Mar 12, 2011
29 km SSE of Namie, Japan
M6.1
81 km
38 km
Mar 22, 2011
72 km ESE of Namie, Japan
M6.1
137 km
31 km
May 13, 2011
31 km ESE of Namie, Japan
M6.1
98 km
35 km
Mar 11, 2011
87 km ESE of Iwaki, Japan
M6.1
148 km
28 km
Aug 5, 1990
43 km E of ?arai, Japan
M6.1
128 km
27 km
Sep 15, 2011
68 km E of ?arai, Japan
M6.1
148 km
28 km
Jul 25, 2003
7 km NW of Matsushima, Japan
M6.1
145 km
6 km
Mar 11, 2011
17 km ESE of Namie, Japan
M6.0
87 km
49 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
22 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
281 km
2024
Jebi
Category 1
75 mph
259 km
2019
Faxai
Category 2
92 mph
126 km
2019
Hagibis
Category 1
92 mph
45 km
2018
Shanshan
Category 1
75 mph
284 km
2016
Lionrock
Category 1
81 mph
259 km
2011
Roke
Category 1
86 mph
177 km
2007
Fitow
Category 1
75 mph
206 km
2005
Mawar
Category 2
75 mph
155 km
2004
Ma-on
Category 3
92 mph
123 km
2002
Higos
Category 1
81 mph
116 km
2001
Danas
Category 1
63 mph
96 km
2000
Sonamu
Category 1
63 mph
296 km
2000
Kirogi
Category 1
81 mph
126 km
1998
Vicki
Category 2
63 mph
157 km
1998
Stella
Category 1
69 mph
127 km
1996
Violet
Category 1
81 mph
189 km
1995
Oscar
Category 4
98 mph
243 km
1993
Vernon
Category 1
75 mph
112 km
1990
Flo
Category 1
58 mph
282 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
12 tsunamis recorded within 500 km.
Highest wave on record: 1.4 m (5 ft).
Year
Location
Cause
Max Wave
Deaths
Distance
2016
E. COAST HONSHU ISLAND
Earthquake
1.4 m
—
102 km
1938
OFF FUKUSHIMA PREFECTURE
Earthquake
1.3 m
—
140 km
1938
OFF FUKUSHIMA PREFECTURE
Earthquake
1.3 m
—
132 km
1938
JAPAN TRENCH
Earthquake
0.8 m
—
120 km
1938
SANRIKU
Earthquake
0.8 m
—
115 km
1938
SANRIKU
Earthquake
0.6 m
1
130 km
1938
SANRIKU
Earthquake
0.6 m
—
129 km
2022
OFF FUKUSHIMA PREFECTURE
Earthquake
0.3 m
4
129 km
1896
KASHIMA, JAPAN
Earthquake
0.3 m
—
108 km
1935
JAPAN
Earthquake
0.2 m
—
126 km
2021
OFF FUKUSHIMA PREFECTURE
Earthquake
0.1 m
1
144 km
1987
E. HONSHU ISLAND
Earthquake
0.1 m
—
132 km
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km.
Closest: Nasudake (29 km).
Name
Type
Elevation
Last Eruption
Distance
Nasudake
Stratovolcano(es)
1,915 m (6,283 ft)
1963
29 km
Bandaisan
Stratovolcano
1,816 m (5,958 ft)
1888
42 km
Adatarayama
Stratovolcano(es)
1,728 m (5,669 ft)
1996
44 km
Azumayama
Stratovolcano(es)
1,949 m (6,394 ft)
1977
54 km
Takaharayama
Stratovolcano
1,795 m (5,889 ft)
-4570
57 km
Numazawa
Shield
835 m (2,740 ft)
-3400
63 km
Omanago Group
Lava dome(s)
2,341 m (7,680 ft)
-3050
83 km
Nantaisan
Stratovolcano
2,486 m (8,156 ft)
-9540
86 km
Hiuchigatake
Stratovolcano
2,356 m (7,730 ft)
1544
91 km
Nikko-Shiranesan
Shield
2,578 m (8,458 ft)
1952
92 km
Zaozan [Zaosan]
Complex
1,841 m (6,040 ft)
1940
101 km
Akagisan
Stratovolcano
1,828 m (5,997 ft)
Unknown
121 km
Harunasan
Stratovolcano
1,449 m (4,754 ft)
550
151 km
Shiga
Shield(s)
2,041 m (6,696 ft)
Unknown
166 km
Kusatsu-Shiranesan
Stratovolcano(es)
2,165 m (7,103 ft)
2018
168 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
32°F (0°C)
1.7 in
Coldest, Driest
February
33°F (0°C)
1.9 in
March
38°F (3°C)
2.7 in
April
49°F (9°C)
3.6 in
May
58°F (15°C)
4.0 in
June
65°F (18°C)
5.9 in
July
72°F (22°C)
6.1 in
August
74°F (23°C)
6.7 in
Warmest
September
67°F (19°C)
6.9 in
Wettest
October
56°F (13°C)
4.7 in
November
46°F (8°C)
2.5 in
December
37°F (3°C)
1.9 in
Shimomatsumoto has a seasonal temperature swing of 42°F / from 32°F in January to 74°F in August. Total annual precipitation is 48.5 inches, with September being the wettest month (6.9") and January the driest (1.7").