Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Miharu experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 33°F in January while summers reach 72°F in July. The area gets 252 sunny days per year, above the national average. Annual precipitation totals 46.4 inches (wetter than the 38-inch national average). The area receives 3.4 inches of snow annually. The city sits at an elevation of 1,155 feet.
Temperature
33°F Jan (0°C)72°F Jul (22°C)
Annual Average
52.9°F
2% below US avg
January Average
33°F (0°C)
July Average
72°F (22°C)
Sunny Days
252 days/yr
Geography
Elevation
1,155 ft (352 m)
Area
28.1 sq mi (72.8 km²)
Population Density
622/sq mi
Coordinates
37.4333°N, 140.4833°W
Timezone
Asia/Tokyo
Precipitation & Snow
Annual Rainfall46.4"
22% above US avg
Snowfall3.4"
Wettest Month (Sep)6.54"
Driest Month (Jan)1.61"
Air Quality
Earthquake History
2,726 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
140 km
43 km
Mar 16, 2022
57 km ENE of Namie, Japan
M7.3
102 km
41 km
Apr 7, 2011
29 km ESE of Ishinomaki, Japan
M7.1
135 km
42 km
Feb 13, 2021
73 km ENE of Namie, Japan
M7.1
118 km
44 km
May 1, 2021
30 km SSE of Onagawa Ch?, Japan
M6.9
130 km
43 km
Apr 11, 2011
17 km SSW of Ishikawa, Japan
M6.6
49 km
11 km
Mar 14, 2010
59 km ENE of Namie, Japan
M6.5
104 km
32 km
Jul 30, 2011
13 km SSE of Iwaki, Japan
M6.3
69 km
38 km
Mar 11, 2011
30 km NNE of Namie, Japan
M6.3
69 km
32 km
Mar 11, 2011
103 km E of Namie, Japan
M6.3
149 km
51 km
Jul 24, 2011
43 km NE of Namie, Japan
M6.3
86 km
40 km
Aug 4, 2019
61 km ENE of Namie, Japan
M6.3
105 km
38 km
Mar 11, 2011
61 km ESE of Namie, Japan
M6.2
102 km
40 km
Mar 11, 2011
70 km ESE of Kitaibaraki, Japan
M6.2
131 km
40 km
Aug 19, 2011
61 km ENE of Namie, Japan
M6.2
106 km
47 km
Mar 22, 2011
72 km ESE of Namie, Japan
M6.1
116 km
31 km
May 13, 2011
31 km ESE of Namie, Japan
M6.1
76 km
35 km
Aug 5, 1990
43 km E of ?arai, Japan
M6.1
135 km
27 km
Jul 25, 2003
7 km NW of Matsushima, Japan
M6.1
118 km
6 km
Mar 12, 2011
29 km SSE of Namie, Japan
M6.1
63 km
38 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
21 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
275 km
2024
Jebi
Category 1
75 mph
254 km
2019
Faxai
Category 2
92 mph
129 km
2019
Hagibis
Category 1
81 mph
59 km
2018
Shanshan
Category 1
75 mph
298 km
2016
Lionrock
Category 1
81 mph
254 km
2011
Roke
Category 1
86 mph
205 km
2007
Fitow
Category 1
75 mph
234 km
2005
Mawar
Category 2
75 mph
166 km
2004
Ma-on
Category 3
92 mph
114 km
2002
Higos
Category 1
81 mph
90 km
2001
Danas
Category 1
63 mph
115 km
2000
Sonamu
Category 1
63 mph
276 km
2000
Kirogi
Category 1
81 mph
127 km
1998
Vicki
Category 2
63 mph
152 km
1998
Stella
Category 1
69 mph
154 km
1996
Violet
Category 1
81 mph
185 km
1995
Oscar
Category 3
98 mph
234 km
1993
Vernon
Category 1
75 mph
94 km
1981
Thad
Category 1
—
163 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
16 tsunamis recorded within 500 km.
Highest wave on record: 5.0 m (16 ft).
Year
Location
Cause
Max Wave
Deaths
Distance
1835
SANRIKU
Earthquake
5.0 m
—
135 km
2016
E. COAST HONSHU ISLAND
Earthquake
1.4 m
—
80 km
1938
OFF FUKUSHIMA PREFECTURE
Earthquake
1.3 m
—
116 km
1938
OFF FUKUSHIMA PREFECTURE
Earthquake
1.3 m
—
118 km
1897
SANRIKU
Earthquake
1.0 m
—
145 km
1938
JAPAN TRENCH
Earthquake
0.8 m
—
115 km
1938
SANRIKU
Earthquake
0.8 m
—
102 km
1938
SANRIKU
Earthquake
0.6 m
1
114 km
1938
SANRIKU
Earthquake
0.6 m
—
111 km
2022
OFF FUKUSHIMA PREFECTURE
Earthquake
0.3 m
4
101 km
1896
KASHIMA, JAPAN
Earthquake
0.3 m
—
114 km
1935
JAPAN
Earthquake
0.2 m
—
123 km
2021
OFF FUKUSHIMA PREFECTURE
Earthquake
0.1 m
1
117 km
1987
E. HONSHU ISLAND
Earthquake
0.1 m
—
118 km
1927
SANRIKU
Earthquake
0.1 m
—
143 km
2011
E. COAST HONSHU ISLAND
Earthquake
0.1 m
3
135 km
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km.
Closest: Adatarayama (30 km).
Name
Type
Elevation
Last Eruption
Distance
Adatarayama
Stratovolcano(es)
1,728 m (5,669 ft)
1996
30 km
Azumayama
Stratovolcano(es)
1,949 m (6,394 ft)
1977
40 km
Bandaisan
Stratovolcano
1,816 m (5,958 ft)
1888
41 km
Nasudake
Stratovolcano(es)
1,915 m (6,283 ft)
1963
57 km
Zaozan [Zaosan]
Complex
1,841 m (6,040 ft)
1940
79 km
Numazawa
Shield
835 m (2,740 ft)
-3400
81 km
Takaharayama
Stratovolcano
1,795 m (5,889 ft)
-4570
86 km
Omanago Group
Lava dome(s)
2,341 m (7,680 ft)
-3050
112 km
Nantaisan
Stratovolcano
2,486 m (8,156 ft)
-9540
115 km
Hiuchigatake
Stratovolcano
2,356 m (7,730 ft)
1544
119 km
Nikko-Shiranesan
Shield
2,578 m (8,458 ft)
1952
121 km
Naruko
Caldera
470 m (1,542 ft)
837
146 km
Akagisan
Stratovolcano
1,828 m (5,997 ft)
Unknown
150 km
Kurikomayama
Stratovolcano
1,627 m (5,338 ft)
1950
172 km
Harunasan
Stratovolcano
1,449 m (4,754 ft)
550
180 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
33°F (0°C)
1.6 in
Coldest, Driest
February
33°F (1°C)
1.8 in
March
39°F (4°C)
2.6 in
April
50°F (10°C)
3.5 in
May
59°F (15°C)
3.8 in
June
66°F (19°C)
5.4 in
July
72°F (22°C)
5.9 in
August
75°F (24°C)
6.0 in
Warmest
September
68°F (20°C)
6.5 in
Wettest
October
57°F (14°C)
4.8 in
November
46°F (8°C)
2.4 in
December
38°F (3°C)
2.0 in
Miharu has a seasonal temperature swing of 42°F / from 33°F in January to 75°F in August. Total annual precipitation is 46.4 inches, with September being the wettest month (6.5") and January the driest (1.6").