Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Washinomiya enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 39°F in January while summers reach 84°F in July. The area gets 293 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 51.6 inches (wetter than the 38-inch national average). The area receives 5.4 inches of snow annually. The city sits at an elevation of 36 feet.
Temperature
39°F Jan (4°C)84°F Jul (29°C)
Annual Average
62.2°F
15% above US avg
January Average
39°F (4°C)
July Average
84°F (29°C)
Sunny Days
293 days/yr
Geography
Elevation
36 ft (11 m)
Area
49.5 sq mi (128.3 km²)
Population Density
738/sq mi
Coordinates
36.0992°N, 139.6604°W
Timezone
Asia/Tokyo
Precipitation & Snow
Annual Rainfall51.6"
36% above US avg
Snowfall5.4"
Wettest Month (Sep)7.52"
Driest Month (Jan)1.30"
Air Quality
Earthquake History
2,523 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
132 km
43 km
Apr 11, 2011
17 km SSW of Ishikawa, Japan
M6.6
120 km
11 km
Jun 1, 1990
near the east coast of Honshu, Japan
M6.3
89 km
67 km
Jul 30, 2011
13 km SSE of Iwaki, Japan
M6.3
149 km
38 km
Sep 11, 1996
23 km SSE of Hasaki, Japan
M6.2
132 km
55 km
Jun 3, 2000
6 km SE of Narut?, Japan
M6.2
95 km
62 km
Apr 21, 2011
6 km WNW of T?gane, Japan
M6.2
82 km
43 km
Apr 11, 2011
23 km SE of T?gane, Japan
M6.2
112 km
15 km
May 26, 2023
12 km SE of Narutō, Japan
M6.1
101 km
42 km
Aug 5, 1990
43 km E of ?arai, Japan
M6.1
129 km
27 km
Mar 14, 2012
5 km SE of Asahi, Japan
M6.0
104 km
10 km
Jul 20, 2000
31 km ESE of Hitachi, Japan
M6.0
127 km
47 km
Mar 15, 2011
6 km NNW of Fujinomiya, Japan
M6.0
134 km
9 km
May 4, 2014
31 km ESE of It?, Japan
M6.0
134 km
153 km
Apr 3, 2004
37 km ESE of Hitachi, Japan
M6.0
126 km
31 km
Aug 6, 1991
19 km E of Hasaki, Japan
M6.0
131 km
29 km
Mar 11, 2011
4 km ESE of Hasaki, Japan
M6.0
118 km
48 km
Jul 23, 2005
9 km WSW of Ichihara, Japan
M5.9
73 km
61 km
Apr 10, 2005
near the east coast of Honshu, Japan
M5.9
87 km
43 km
Jun 24, 2020
36 km SE of Hasaki, Japan
M5.9
145 km
29 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
32 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
244 km
2024
Jebi
Category 1
75 mph
265 km
2019
Faxai
Category 3
98 mph
67 km
2019
Hagibis
Category 2
92 mph
60 km
2018
Shanshan
Category 1
75 mph
195 km
2018
Jongdari
Category 1
81 mph
235 km
2016
Lionrock
Category 1
75 mph
265 km
2016
Mindulle
Category 1
75 mph
201 km
2014
Phanfone
Category 1
81 mph
176 km
2011
Roke
Category 2
92 mph
47 km
2009
Krovanh
Category 1
69 mph
290 km
2007
Fitow
Category 1
81 mph
69 km
2005
Mawar
Category 2
81 mph
73 km
2004
Ma-on
Category 3
92 mph
57 km
2002
Higos
Category 2
86 mph
31 km
2001
Vipa
Category 1
63 mph
296 km
2001
Danas
Category 1
81 mph
40 km
2000
Kirogi
Category 1
86 mph
129 km
1998
Vicki
Category 2
63 mph
205 km
1998
Stella
Category 1
69 mph
12 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
17 tsunamis recorded within 500 km.
Highest wave on record: 13.0 m (43 ft).
Year
Location
Cause
Max Wave
Deaths
Distance
1923
SAGAMI BAY
Earthquake
13.0 m
105,385
112 km
1495
KAMAKURA, SAGAMI BAY, TOKAIDO
Earthquake
5.0 m
200
112 km
1732
KUJUKURI BEACH, JAPAN
Earthquake
2.0 m
—
144 km
1670
BOSO, JAPAN
Earthquake
2.0 m
—
138 km
1433
OFF IZU-OSHIMA
Earthquake
2.0 m
—
134 km
1980
HONSHU ISLAND
Earthquake
0.6 m
—
150 km
1978
TOKAIDO
Earthquake
0.4 m
25
148 km
1923
RYUKYU ISLANDS
Earthquake
0.3 m
—
142 km
1896
KASHIMA, JAPAN
Earthquake
0.3 m
—
128 km
1855
TOKAIDO
Earthquake
—
6,757
52 km
1782
ODAWARA, SAGAMI BAY
Eruption + Earthquake
—
—
111 km
1642
BOSO, JAPAN
Earthquake
—
—
131 km
1633
SAGAMI BAY
Earthquake
—
150
108 km
1602
BOSO, JAPAN
Eruption + Earthquake
—
—
135 km
1257
SAGAMI BAY, JAPAN
Earthquake
—
—
101 km
1241
KAMAKURA, SAGAMI BAY
Earthquake
—
—
103 km
818
TOKAIDO
Eruption + Earthquake
—
—
105 km
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km.
Closest: Akagisan (66 km).
Name
Type
Elevation
Last Eruption
Distance
Akagisan
Stratovolcano
1,828 m (5,997 ft)
Unknown
66 km
Nantaisan
Stratovolcano
2,486 m (8,156 ft)
-9540
76 km
Omanago Group
Lava dome(s)
2,341 m (7,680 ft)
-3050
79 km
Nikko-Shiranesan
Shield
2,578 m (8,458 ft)
1952
82 km
Harunasan
Stratovolcano
1,449 m (4,754 ft)
550
84 km
Takaharayama
Stratovolcano
1,795 m (5,889 ft)
-4570
90 km
Hiuchigatake
Stratovolcano
2,356 m (7,730 ft)
1544
101 km
Asamayama
Complex
2,568 m (8,425 ft)
2019
108 km
Hakoneyama
Complex
1,438 m (4,718 ft)
2015
112 km
Kusatsu-Shiranesan
Stratovolcano(es)
2,165 m (7,103 ft)
2018
117 km
Nasudake
Stratovolcano(es)
1,915 m (6,283 ft)
1963
117 km
Fujisan
Stratovolcano
3,776 m (12,388 ft)
1708
118 km
Yokodake
Stratovolcano(es)
2,480 m (8,136 ft)
1200
120 km
Shiga
Shield(s)
2,041 m (6,696 ft)
Unknown
121 km
Izu-Tobu
Pyroclastic cone(s)
1,406 m (4,613 ft)
1989
143 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
39°F (4°C)
1.3 in
Coldest, Driest
February
40°F (4°C)
1.9 in
March
45°F (7°C)
3.0 in
April
56°F (13°C)
3.9 in
May
64°F (18°C)
4.7 in
June
70°F (21°C)
6.6 in
July
84°F (29°C)
5.9 in
Warmest
August
79°F (26°C)
6.3 in
September
72°F (22°C)
7.5 in
Wettest
October
62°F (17°C)
5.9 in
November
52°F (11°C)
2.7 in
December
43°F (6°C)
1.4 in
Washinomiya has a seasonal temperature swing of 45°F / from 39°F in January to 84°F in July. Total annual precipitation is 51.0 inches, with September being the wettest month (7.5") and January the driest (1.3").