Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Hirakawa experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 27°F in January while summers reach 71°F in July. The area gets 239 sunny days per year, above the national average. Annual precipitation totals 53.3 inches (wetter than the 38-inch national average). The area receives 16.7 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 151 feet.
Temperature
27°F Jan (-3°C)71°F Jul (22°C)
Annual Average
49.7°F
8% below US avg
January Average
27°F (-3°C)
July Average
71°F (22°C)
Sunny Days
239 days/yr
Geography
Elevation
151 ft (46 m)
Area
133.6 sq mi (346.0 km²)
Population Density
232/sq mi
Coordinates
40.5873°N, 140.5711°W
Timezone
Asia/Tokyo
Precipitation & Snow
Annual Rainfall53.3"
40% above US avg
Snowfall16.7"
Wettest Month (Sep)6.02"
Driest Month (May)3.19"
Air Quality
Earthquake History
573 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
141 km
27 km
Jul 23, 2008
29 km ENE of Morioka, Japan
M6.8
116 km
108 km
Dec 2, 2001
3 km NW of Hanamaki, Japan
M6.5
139 km
124 km
Mar 17, 2011
57 km NNE of Miyako, Japan
M6.2
144 km
29 km
Mar 11, 2011
88 km WNW of Noshiro, Japan
M6.2
129 km
10 km
Aug 10, 2014
78 km E of Mutsu, Japan
M6.1
146 km
41 km
Mar 27, 2012
24 km NNE of Miyako, Japan
M6.1
147 km
15 km
Apr 1, 2024
7 km SW of Kuji, Japan
M5.9
108 km
73 km
Sep 3, 1998
19 km W of Shizukuishi, Japan
M5.9
98 km
38 km
Mar 11, 2011
31 km N of T?no, Japan
M5.8
139 km
35 km
Mar 11, 2011
18 km E of Misawa, Japan
M5.8
88 km
45 km
Jul 26, 1999
26 km ENE of Misawa, Japan
M5.7
96 km
104 km
May 7, 2011
69 km ESE of Hachinohe, Japan
M5.7
147 km
35 km
Feb 6, 1995
80 km E of Mutsu, Japan
M5.7
150 km
61 km
Mar 16, 2011
27 km NNE of Miyako, Japan
M5.7
146 km
36 km
Feb 15, 2009
68 km ESE of Hachinohe, Japan
M5.7
146 km
33 km
Oct 26, 1997
8 km WSW of Yokote, Japan
M5.6
144 km
134 km
Jan 28, 2012
63 km NNE of Miyako, Japan
M5.6
146 km
55 km
Jul 9, 2015
15 km S of Hachinohe, Japan
M5.5
80 km
81 km
Feb 17, 2015
51 km N of Miyako, Japan
M5.5
124 km
47 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
5 hurricanes (Category 1+) recorded within 500 km since 1980.
Strongest on record: Category 1.
Year
Name
Category
Max Wind
Closest
2019
Hagibis
Category 1
69 mph
286 km
2002
Higos
Category 1
75 mph
71 km
2000
Kirogi
Category 1
63 mph
252 km
1998
Vicki
Category 1
58 mph
96 km
1995
Ryan
Category 1
40 mph
227 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
19 tsunamis recorded within 500 km.
Highest wave on record: 90.0 m (295 ft).
Year
Location
Cause
Max Wave
Deaths
Distance
1741
W. HOKKAIDO ISLAND
Explosion
90.0 m
2,000
143 km
1983
NOSHIRO, JAPAN
Earthquake
14.9 m
104
125 km
1763
SANRIKU
Earthquake
5.0 m
—
123 km
1793
W. OFF AOMORI
Earthquake
1.8 m
12
60 km
1939
NW. HONSHU ISLAND
Earthquake
1.2 m
27
106 km
1983
N. HONSHU ISLAND
Earthquake
1.0 m
—
150 km
1810
NW. HONSHU ISLAND
Earthquake
1.0 m
57
95 km
2025
OFF NORTHEAST COAST HONSHU
Earthquake
0.7 m
—
142 km
1983
NOSHIRO, JAPAN
Earthquake
0.6 m
—
143 km
1964
NW. HONSHU ISLAND
Earthquake
0.6 m
—
137 km
1912
SANRIKU
Earthquake
0.5 m
—
121 km
1945
SANRIKU
Earthquake
0.4 m
2
133 km
1901
OFF NORTHEAST COAST HONSHU
Earthquake
0.3 m
18
146 km
1964
NW. HONSHU ISLAND
Earthquake
0.1 m
—
143 km
1964
NW. HONSHU ISLAND
Earthquake
—
—
135 km
1766
SANRIKU
Earthquake
—
1,700
36 km
1763
SANRIKU, HACHIONHE
Earthquake
—
—
121 km
1644
HONJO, AKITA
Earthquake
—
117
138 km
1341
JUSANKO, TSUGARU AOMORI PREFECTURE
Earthquake
—
2,600
101 km
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
14 volcanoes within 200 km.
Closest: Iwakisan (24 km).
Name
Type
Elevation
Last Eruption
Distance
Iwakisan
Stratovolcano
1,625 m (5,331 ft)
1863
24 km
Hakkodasan
Stratovolcano(es)
1,585 m (5,200 ft)
1550
27 km
Towada
Caldera
1,011 m (3,317 ft)
915
28 km
Akita-Yakeyama
Stratovolcano
1,366 m (4,482 ft)
1997
71 km
Hachimantai
Stratovolcano
1,613 m (5,292 ft)
-5350
74 km
Iwatesan
Complex
2,038 m (6,686 ft)
1919
89 km
Osorezan
Stratovolcano
878 m (2,881 ft)
1787
90 km
Akita-Komagatake
Stratovolcano(es)
1,637 m (5,371 ft)
1971
94 km
Megata
Maar(s)
291 m (955 ft)
-2050
101 km
Oshima-Oshima
Stratovolcano
732 m (2,402 ft)
1790
144 km
Esan
Lava dome(s)
618 m (2,028 ft)
1874
144 km
Hokkaido-Komagatake
Stratovolcano
1,131 m (3,711 ft)
2000
164 km
Chokaisan
Stratovolcano(es)
2,236 m (7,336 ft)
1974
171 km
Kurikomayama
Stratovolcano
1,627 m (5,338 ft)
1950
182 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
27°F (-3°C)
4.6 in
Coldest
February
28°F (-2°C)
3.7 in
March
35°F (1°C)
3.3 in
April
46°F (8°C)
3.2 in
May
56°F (13°C)
3.2 in
Driest
June
63°F (17°C)
3.7 in
July
71°F (22°C)
5.1 in
August
74°F (23°C)
5.8 in
Warmest
September
66°F (19°C)
6.0 in
Wettest
October
54°F (12°C)
4.7 in
November
43°F (6°C)
4.8 in
December
33°F (0°C)
5.0 in
Hirakawa has a seasonal temperature swing of 47°F / from 27°F in January to 74°F in August. Total annual precipitation is 53.3 inches, with September being the wettest month (6.0") and May the driest (3.2").