Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Hachirougata 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 225 sunny days per year, above the national average. Annual precipitation totals 61.2 inches (wetter than the 38-inch national average). The area receives 8.9 inches of snow annually. The city sits at an elevation of 16 feet.
Temperature
32°F Jan (-0°C)72°F Jul (22°C)
Annual Average
52.1°F
4% below US avg
January Average
32°F (-0°C)
July Average
72°F (22°C)
Sunny Days
225 days/yr
Geography
Elevation
16 ft (5 m)
Area
128.8 sq mi (333.6 km²)
Population Density
43/sq mi
Coordinates
39.9333°N, 140.0833°W
Timezone
Asia/Tokyo
Precipitation & Snow
Annual Rainfall61.2"
61% above US avg
Snowfall8.9"
Wettest Month (Sep)6.69"
Driest Month (Mar)3.66"
Air Quality
Earthquake History
501 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M6.9.
Jun 13, 2008
24 km WSW of Mizusawa, Japan
M6.9
122 km
8 km
Jul 23, 2008
29 km ENE of Morioka, Japan
M6.8
119 km
108 km
Dec 2, 2001
3 km NW of Hanamaki, Japan
M6.5
104 km
124 km
Mar 11, 2011
88 km WNW of Noshiro, Japan
M6.2
107 km
10 km
Aug 10, 1996
25 km NE of Shinj?, Japan
M6.0
120 km
10 km
Sep 3, 1998
19 km W of Shizukuishi, Japan
M5.9
63 km
38 km
Apr 1, 2024
7 km SW of Kuji, Japan
M5.9
140 km
73 km
Apr 16, 2008
6 km ENE of Yuza, Japan
M5.8
101 km
166 km
Mar 11, 2011
31 km N of T?no, Japan
M5.8
133 km
35 km
Aug 10, 1996
31 km ENE of Shinj?, Japan
M5.7
126 km
10 km
Nov 23, 1997
97 km W of Tenn?, Japan
M5.6
107 km
23 km
Oct 26, 1997
8 km WSW of Yokote, Japan
M5.6
78 km
134 km
Jun 14, 2008
35 km SSE of Yuzawa, Japan
M5.5
128 km
6 km
Jun 14, 2014
12 km WNW of Hanamaki, Japan
M5.5
95 km
92 km
Jul 9, 2015
15 km S of Hachinohe, Japan
M5.5
127 km
81 km
Aug 10, 1996
26 km S of Yuzawa, Japan
M5.5
118 km
10 km
Jun 14, 2008
27 km WSW of Mizusawa, Japan
M5.4
121 km
10 km
May 12, 2002
12 km WSW of Kitakami, Japan
M5.4
111 km
96 km
Aug 15, 2019
19 km NW of Misawa, Japan
M5.4
140 km
86 km
Feb 26, 1999
15 km NNW of Yuza, Japan
M5.3
89 km
34 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
243 km
2002
Higos
Category 1
75 mph
128 km
2000
Kirogi
Category 1
63 mph
251 km
1998
Vicki
Category 1
58 mph
122 km
1995
Ryan
Category 1
40 mph
170 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
16 tsunamis recorded within 500 km.
Highest wave on record: 14.9 m (49 ft).
Year
Location
Cause
Max Wave
Deaths
Distance
1983
NOSHIRO, JAPAN
Earthquake
14.9 m
104
102 km
1833
NW. HONSHU ISLAND
Earthquake
9.0 m
85
140 km
2008
ARATOZAWA, JAPAN
Eruption + Earthquake
2.5 m
23
122 km
1793
W. OFF AOMORI
Earthquake
1.8 m
12
103 km
1939
NW. HONSHU ISLAND
Earthquake
1.2 m
27
53 km
1810
NW. HONSHU ISLAND
Earthquake
1.0 m
57
16 km
1804
NW. HONSHU ISLAND
Earthquake
1.0 m
450
99 km
1983
NOSHIRO, JAPAN
Earthquake
0.6 m
—
103 km
1964
NW. HONSHU ISLAND
Earthquake
0.6 m
—
101 km
1964
NW. HONSHU ISLAND
Earthquake
0.1 m
—
113 km
1964
NW. HONSHU ISLAND
Earthquake
—
—
106 km
1894
YAMAGATA, JAPAN
Earthquake
—
726
118 km
1766
SANRIKU
Earthquake
—
1,700
120 km
1644
HONJO, AKITA
Earthquake
—
117
59 km
1341
JUSANKO, TSUGARU AOMORI PREFECTURE
Earthquake
—
2,600
129 km
850
NW. HONSHU ISLAND
Eruption + Earthquake
—
—
105 km
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
13 volcanoes within 200 km.
Closest: Megata (30 km).
Name
Type
Elevation
Last Eruption
Distance
Megata
Maar(s)
291 m (955 ft)
-2050
30 km
Akita-Yakeyama
Stratovolcano
1,366 m (4,482 ft)
1997
58 km
Akita-Komagatake
Stratovolcano(es)
1,637 m (5,371 ft)
1971
64 km
Hachimantai
Stratovolcano
1,613 m (5,292 ft)
-5350
66 km
Iwatesan
Complex
2,038 m (6,686 ft)
1919
79 km
Iwakisan
Stratovolcano
1,625 m (5,331 ft)
1863
83 km
Chokaisan
Stratovolcano(es)
2,236 m (7,336 ft)
1974
93 km
Towada
Caldera
1,011 m (3,317 ft)
915
93 km
Hakkodasan
Stratovolcano(es)
1,585 m (5,200 ft)
1550
105 km
Kurikomayama
Stratovolcano
1,627 m (5,338 ft)
1950
124 km
Naruko
Caldera
470 m (1,542 ft)
837
145 km
Osorezan
Stratovolcano
878 m (2,881 ft)
1787
173 km
Oshima-Oshima
Stratovolcano
732 m (2,402 ft)
1790
185 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
32°F (-0°C)
5.0 in
Coldest
February
32°F (0°C)
3.9 in
March
37°F (3°C)
3.7 in
Driest
April
48°F (9°C)
4.0 in
May
57°F (14°C)
3.8 in
June
65°F (18°C)
4.5 in
July
72°F (22°C)
6.5 in
August
76°F (24°C)
5.9 in
Warmest
September
67°F (20°C)
6.7 in
Wettest
October
56°F (14°C)
5.6 in
November
46°F (8°C)
5.7 in
December
37°F (3°C)
6.1 in
Hachirougata has a seasonal temperature swing of 44°F / from 32°F in January to 76°F in August. Total annual precipitation is 61.2 inches, with September being the wettest month (6.7") and March the driest (3.7").