Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Hikawa experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 33°F in January while summers reach 70°F in July. The area gets 231 sunny days per year, above the national average. Annual precipitation totals 58.0 inches (wetter than the 38-inch national average). The area receives 3.4 inches of snow annually. The city sits at an elevation of 1,788 feet.
Temperature
33°F Jan (1°C)70°F Jul (21°C)
Annual Average
52.1°F
4% below US avg
January Average
33°F (1°C)
July Average
70°F (21°C)
Sunny Days
231 days/yr
Geography
Elevation
1,788 ft (545 m)
Area
95.0 sq mi (245.9 km²)
Population Density
50/sq mi
Coordinates
35.8000°N, 139.1000°W
Timezone
Asia/Tokyo
Precipitation & Snow
Annual Rainfall58.0"
53% above US avg
Snowfall3.4"
Wettest Month (Aug)9.17"
Driest Month (Dec)1.22"
Air Quality
Earthquake History
1,523 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M6.4.
Feb 20, 1990
28 km E of Shimoda, Japan
M6.4
122 km
14 km
Jun 1, 1990
near the east coast of Honshu, Japan
M6.3
116 km
67 km
Apr 11, 2011
23 km SE of T?gane, Japan
M6.2
140 km
15 km
Apr 21, 2011
6 km WNW of T?gane, Japan
M6.2
112 km
43 km
Mar 11, 2011
13 km E of Arai, Japan
M6.2
150 km
9 km
Aug 10, 2009
8 km NE of Sagara, Japan
M6.2
140 km
40 km
Jun 3, 2000
6 km SE of Narut?, Japan
M6.2
126 km
62 km
May 26, 2023
12 km SE of Narutō, Japan
M6.1
133 km
42 km
Mar 15, 2011
6 km NNW of Fujinomiya, Japan
M6.0
75 km
9 km
Mar 14, 2012
5 km SE of Asahi, Japan
M6.0
145 km
10 km
May 4, 2014
31 km ESE of It?, Japan
M6.0
103 km
153 km
Jul 23, 2005
9 km WSW of Ichihara, Japan
M5.9
87 km
61 km
Aug 1, 2011
20 km E of ?yama, Japan
M5.9
143 km
13 km
Jan 15, 2007
15 km WSW of Heda, Japan
M5.9
109 km
170 km
Apr 10, 2005
near the east coast of Honshu, Japan
M5.9
120 km
43 km
Apr 29, 2012
5 km NNW of T?gane, Japan
M5.8
115 km
44 km
Feb 25, 2013
29 km NE of Numata, Japan
M5.8
117 km
10 km
Feb 1, 1992
4 km SSE of Miura, Japan
M5.8
92 km
100 km
Apr 16, 2011
6 km ENE of Tanuma, Japan
M5.8
81 km
77 km
Mar 11, 2011
eastern Honshu, Japan
M5.7
146 km
12 km
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
33 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
262 km
2019
Faxai
Category 3
98 mph
78 km
2019
Hagibis
Category 2
92 mph
35 km
2018
Jongdari
Category 2
86 mph
192 km
2018
Jebi
Category 1
81 mph
279 km
2018
Shanshan
Category 1
81 mph
213 km
2016
Mindulle
Category 1
75 mph
171 km
2014
Phanfone
Category 1
81 mph
119 km
2011
Roke
Category 2
92 mph
14 km
2009
Krovanh
Category 1
69 mph
266 km
2007
Fitow
Category 1
81 mph
24 km
2005
Mawar
Category 2
81 mph
84 km
2004
Ma-on
Category 3
92 mph
67 km
2003
Etau
Category 1
52 mph
263 km
2002
Higos
Category 2
86 mph
73 km
2001
Danas
Category 1
81 mph
72 km
2001
Vipa
Category 1
63 mph
300 km
2000
Kirogi
Category 1
86 mph
155 km
1998
Vicki
Category 2
69 mph
175 km
1998
Stella
Category 1
69 mph
70 km
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tsunami History
19 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
86 km
1703
OFF SW BOSO PENINSULA
Earthquake
11.7 m
5,233
138 km
1495
KAMAKURA, SAGAMI BAY, TOKAIDO
Earthquake
5.0 m
200
86 km
1433
OFF IZU-OSHIMA
Earthquake
2.0 m
-
106 km
2009
HONSHU: S COAST
Earthquake
0.6 m
1
140 km
1980
HONSHU ISLAND
Earthquake
0.6 m
-
111 km
1978
TOKAIDO
Earthquake
0.4 m
25
111 km
1923
RYUKYU ISLANDS
Earthquake
0.3 m
-
141 km
1974
TOKAIDO
Earthquake
0.2 m
30
138 km
1990
JAPAN
Earthquake
0.2 m
-
122 km
1857
TOKAIDO
Earthquake
-
-
133 km
1855
TOKAIDO
Earthquake
-
6,757
65 km
1782
ODAWARA, SAGAMI BAY
Eruption + Earthquake
-
-
95 km
1633
SAGAMI BAY
Earthquake
-
150
67 km
1602
BOSO, JAPAN
Eruption + Earthquake
-
-
149 km
1589
SURUGA, JAPAN
Earthquake
-
-
138 km
1257
SAGAMI BAY, JAPAN
Earthquake
-
-
76 km
1241
KAMAKURA, SAGAMI BAY
Earthquake
-
-
72 km
818
TOKAIDO
Eruption + Earthquake
-
-
69 km
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km.
Closest: Fujisan (59 km).
Name
Type
Elevation
Last Eruption
Distance
Fujisan
Stratovolcano
3,776 m (12,388 ft)
1708
59 km
Hakoneyama
Complex
1,438 m (4,718 ft)
2015
64 km
Yokodake
Stratovolcano(es)
2,480 m (8,136 ft)
1200
77 km
Harunasan
Stratovolcano
1,449 m (4,754 ft)
550
79 km
Akagisan
Stratovolcano
1,828 m (5,997 ft)
Unknown
85 km
Asamayama
Complex
2,568 m (8,425 ft)
2019
85 km
Izu-Tobu
Pyroclastic cone(s)
1,406 m (4,613 ft)
1989
100 km
Kusatsu-Shiranesan
Stratovolcano(es)
2,165 m (7,103 ft)
2018
104 km
Shiga
Shield(s)
2,041 m (6,696 ft)
Unknown
112 km
Nantaisan
Stratovolcano
2,486 m (8,156 ft)
-9540
113 km
Nikko-Shiranesan
Shield
2,578 m (8,458 ft)
1952
114 km
Omanago Group
Lava dome(s)
2,341 m (7,680 ft)
-3050
117 km
Izu-Oshima
Stratovolcano
758 m (2,487 ft)
1990
123 km
Hiuchigatake
Stratovolcano
2,356 m (7,730 ft)
1544
130 km
Takaharayama
Stratovolcano
1,795 m (5,889 ft)
-4570
137 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
33°F (1°C)
1.4 in
Coldest
February
34°F (1°C)
2.0 in
March
39°F (4°C)
3.3 in
April
49°F (10°C)
4.2 in
May
58°F (14°C)
5.0 in
June
64°F (18°C)
7.5 in
July
70°F (21°C)
6.6 in
August
73°F (23°C)
9.2 in
Warmest, Wettest
September
66°F (19°C)
8.8 in
October
56°F (13°C)
6.1 in
November
47°F (8°C)
2.8 in
December
38°F (3°C)
1.2 in
Driest
Hikawa has a seasonal temperature swing of 40°F / from 33°F in January to 73°F in August. Total annual precipitation is 58.0 inches, with August being the wettest month (9.2") and December the driest (1.2").