Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Honjō enjoys a temperate climate with an average annual temperature of 58°F (15°C). Winters average 39°F in January while summers reach 77°F in July. The area gets 246 sunny days per year, above the national average. Annual precipitation totals 49.5 inches (wetter than the 38-inch national average). The city sits at an elevation of 194 feet.
Temperature
39°F Jan (4°C)77°F Jul (25°C)
Annual Average
58.3°F
8% above US avg
January Average
39°F (4°C)
July Average
77°F (25°C)
Sunny Days
246 days/yr
Geography
Elevation
194 ft (59 m)
Area
74.7 sq mi (193.5 km²)
Population Density
1,052/sq mi
Coordinates
36.2378°N, 139.1902°W
Timezone
Asia/Tokyo
Precipitation & Snow
Annual Rainfall49.5"
30% above US avg
Snowfall0.0"
Wettest Month (Sep)7.36"
Driest Month (Dec)1.65"
Air Quality
Earthquake History
1,682 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M6.6.
Apr 11, 2011
17 km SSW of Ishikawa, Japan
M6.6
137 km
11 km
Jun 1, 1990
near the east coast of Honshu, Japan
M6.3
131 km
67 km
Jun 3, 2000
6 km SE of Narut?, Japan
M6.2
138 km
62 km
Apr 21, 2011
6 km WNW of T?gane, Japan
M6.2
124 km
43 km
Mar 11, 2011
13 km E of Arai, Japan
M6.2
113 km
9 km
May 26, 2023
12 km SE of Narutō, Japan
M6.1
144 km
42 km
Mar 14, 2012
5 km SE of Asahi, Japan
M6.0
149 km
10 km
May 4, 2014
31 km ESE of It?, Japan
M6.0
149 km
153 km
Mar 15, 2011
6 km NNW of Fujinomiya, Japan
M6.0
121 km
9 km
Apr 10, 2005
near the east coast of Honshu, Japan
M5.9
130 km
43 km
Apr 12, 2011
8 km WSW of Ishikawa, Japan
M5.9
143 km
11 km
Jul 23, 2005
9 km WSW of Ichihara, Japan
M5.9
109 km
61 km
Feb 25, 2013
29 km NE of Numata, Japan
M5.8
68 km
10 km
Feb 1, 1992
4 km SSE of Miura, Japan
M5.8
132 km
100 km
Apr 16, 2011
6 km ENE of Tanuma, Japan
M5.8
44 km
77 km
Apr 29, 2012
5 km NNW of T?gane, Japan
M5.8
126 km
44 km
Mar 19, 2011
8 km WNW of Daigo, Japan
M5.7
115 km
6 km
Jun 19, 2005
5 km ENE of Narut?, Japan
M5.7
135 km
48 km
Mar 11, 2011
eastern Honshu, Japan
M5.7
112 km
12 km
Dec 3, 1996
35 km SE of Muramatsu, Japan
M5.7
141 km
139 km
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
30 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
285 km
2019
Faxai
Category 3
98 mph
104 km
2019
Hagibis
Category 2
92 mph
73 km
2018
Jebi
Category 1
81 mph
259 km
2018
Shanshan
Category 1
75 mph
235 km
2018
Jongdari
Category 1
81 mph
241 km
2016
Mindulle
Category 1
75 mph
217 km
2014
Phanfone
Category 1
81 mph
165 km
2011
Roke
Category 2
92 mph
38 km
2007
Fitow
Category 1
81 mph
71 km
2005
Mawar
Category 2
81 mph
113 km
2004
Ma-on
Category 3
92 mph
90 km
2003
Etau
Category 1
52 mph
278 km
2002
Higos
Category 2
86 mph
74 km
2001
Danas
Category 1
81 mph
80 km
2000
Kirogi
Category 1
86 mph
172 km
1998
Vicki
Category 2
69 mph
160 km
1998
Stella
Category 1
69 mph
46 km
1996
Violet
Category 1
81 mph
207 km
1996
Kirk
Category 1
63 mph
267 km
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tsunami History
10 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
130 km
1495
KAMAKURA, SAGAMI BAY, TOKAIDO
Earthquake
5.0 m
200
130 km
1855
TOKAIDO
Earthquake
-
6,757
85 km
1782
ODAWARA, SAGAMI BAY
Eruption + Earthquake
-
-
135 km
1751
NW. HONSHU ISLAND
Eruption + Earthquake
-
2,100
145 km
1633
SAGAMI BAY
Earthquake
-
150
115 km
1257
SAGAMI BAY, JAPAN
Earthquake
-
-
119 km
1241
KAMAKURA, SAGAMI BAY
Earthquake
-
-
117 km
863
NW. HONSHU ISLAND
Eruption + Earthquake
-
-
143 km
818
TOKAIDO
Eruption + Earthquake
-
-
116 km
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km.
Closest: Akagisan (36 km).
Name
Type
Elevation
Last Eruption
Distance
Akagisan
Stratovolcano
1,828 m (5,997 ft)
Unknown
36 km
Harunasan
Stratovolcano
1,449 m (4,754 ft)
550
40 km
Asamayama
Complex
2,568 m (8,425 ft)
2019
63 km
Nantaisan
Stratovolcano
2,486 m (8,156 ft)
-9540
65 km
Nikko-Shiranesan
Shield
2,578 m (8,458 ft)
1952
65 km
Omanago Group
Lava dome(s)
2,341 m (7,680 ft)
-3050
68 km
Kusatsu-Shiranesan
Stratovolcano(es)
2,165 m (7,103 ft)
2018
73 km
Shiga
Shield(s)
2,041 m (6,696 ft)
Unknown
78 km
Yokodake
Stratovolcano(es)
2,480 m (8,136 ft)
1200
80 km
Hiuchigatake
Stratovolcano
2,356 m (7,730 ft)
1544
80 km
Takaharayama
Stratovolcano
1,795 m (5,889 ft)
-4570
90 km
Fujisan
Stratovolcano
3,776 m (12,388 ft)
1708
106 km
Hakoneyama
Complex
1,438 m (4,718 ft)
2015
113 km
Nasudake
Stratovolcano(es)
1,915 m (6,283 ft)
1963
120 km
Myokosan
Stratovolcano
2,454 m (8,051 ft)
-750
121 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
39°F (4°C)
1.7 in
Coldest
February
40°F (4°C)
2.2 in
March
45°F (7°C)
2.7 in
April
56°F (13°C)
3.4 in
May
65°F (18°C)
4.1 in
June
71°F (22°C)
6.3 in
July
77°F (25°C)
5.8 in
August
80°F (27°C)
6.5 in
Warmest
September
72°F (22°C)
7.4 in
Wettest
October
62°F (16°C)
5.0 in
November
52°F (11°C)
2.6 in
December
43°F (6°C)
1.7 in
Driest
Honjō has a seasonal temperature swing of 41°F / from 39°F in January to 80°F in August. Total annual precipitation is 49.5 inches, with September being the wettest month (7.4") and December the driest (1.7").