Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Nakanojō experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 31°F in January while summers reach 72°F in July. The area gets 233 sunny days per year, above the national average. Annual precipitation totals 57.0 inches (wetter than the 38-inch national average). The area receives 6.9 inches of snow annually. The city sits at an elevation of 1,217 feet.
Temperature
31°F Jan (-0°C)72°F Jul (22°C)
Annual Average
51.4°F
5% below US avg
January Average
31°F (-0°C)
July Average
72°F (22°C)
Sunny Days
233 days/yr
Geography
Elevation
1,217 ft (371 m)
Area
169.6 sq mi (439.3 km²)
Population Density
92/sq mi
Coordinates
36.5872°N, 138.8408°W
Timezone
Asia/Tokyo
Precipitation & Snow
Annual Rainfall57.0"
50% above US avg
Snowfall6.9"
Wettest Month (Sep)7.64"
Driest Month (Dec)2.64"
Air Quality
Earthquake History
1,010 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M6.6.
Jul 16, 2007
20 km NNW of Kashiwazaki, Japan
M6.6
111 km
12 km
Apr 11, 2011
17 km SSW of Ishikawa, Japan
M6.6
146 km
11 km
Mar 11, 2011
13 km E of Arai, Japan
M6.2
63 km
9 km
Mar 15, 2011
6 km NNW of Fujinomiya, Japan
M6.0
148 km
9 km
Apr 12, 2011
8 km WSW of Ishikawa, Japan
M5.9
148 km
11 km
Feb 25, 2013
29 km NE of Numata, Japan
M5.8
46 km
10 km
Apr 16, 2011
6 km ENE of Tanuma, Japan
M5.8
76 km
77 km
Mar 19, 2011
8 km WNW of Daigo, Japan
M5.7
129 km
6 km
Mar 11, 2011
eastern Honshu, Japan
M5.7
62 km
12 km
Dec 3, 1996
35 km SE of Muramatsu, Japan
M5.7
115 km
139 km
Jul 16, 2007
16 km NNW of Kashiwazaki, Japan
M5.7
107 km
15 km
Nov 9, 2013
3 km WSW of Moriya, Japan
M5.6
126 km
64 km
Mar 6, 1996
13 km NNE of Gotenba, Japan
M5.6
129 km
33 km
Apr 11, 2011
8 km WSW of Iiyama, Japan
M5.5
55 km
17 km
Apr 11, 2011
20 km SSW of Ishikawa, Japan
M5.5
142 km
10 km
Aug 15, 1998
22 km WSW of Hotaka, Japan
M5.5
113 km
10 km
Mar 15, 2012
3 km ENE of ?me, Japan
M5.5
96 km
104 km
Dec 21, 1996
3 km E of Sugito, Japan
M5.5
104 km
45 km
Feb 15, 2005
2 km NNW of Iwatsuki, Japan
M5.5
101 km
46 km
Jul 15, 2011
5 km NE of Sakai, Japan
M5.5
104 km
89 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
29 hurricanes (Category 1+) recorded within 500 km since 1980.
Strongest on record: Category 3.
Year
Name
Category
Max Wind
Closest
2019
Faxai
Category 3
98 mph
154 km
2019
Hagibis
Category 1
92 mph
121 km
2018
Jebi
Category 1
86 mph
214 km
2018
Shanshan
Category 1
75 mph
285 km
2018
Jongdari
Category 1
81 mph
270 km
2016
Mindulle
Category 1
75 mph
261 km
2014
Phanfone
Category 1
81 mph
192 km
2011
Roke
Category 2
92 mph
83 km
2007
Fitow
Category 1
81 mph
114 km
2005
Mawar
Category 2
81 mph
163 km
2004
Ma-on
Category 3
92 mph
140 km
2004
Chaba
Category 1
69 mph
265 km
2003
Etau
Category 1
52 mph
261 km
2002
Higos
Category 2
86 mph
122 km
2001
Danas
Category 1
81 mph
129 km
2000
Kirogi
Category 1
86 mph
220 km
1998
Vicki
Category 2
69 mph
120 km
1998
Zeb
Category 1
58 mph
281 km
1998
Stella
Category 1
69 mph
88 km
1996
Violet
Category 1
81 mph
256 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
9 tsunamis recorded within 500 km.
Highest wave on record: 0.2 m (1 ft).
Year
Location
Cause
Max Wave
Deaths
Distance
1987
HONSHU ISLAND
Earthquake
0.2 m
—
129 km
2007
HONSHU: W COAST
Earthquake
—
15
114 km
1855
TOKAIDO
Earthquake
—
6,757
135 km
1802
NW. HONSHU ISLAND
Earthquake
—
19
133 km
1751
NW. HONSHU ISLAND
Eruption + Earthquake
—
2,100
95 km
1614
NIIGATA PREFECTURE
Earthquake
—
—
126 km
1448
SADO, JAPAN
Earthquake
—
—
116 km
887
NIIGATA
Earthquake
—
2,000
121 km
863
NW. HONSHU ISLAND
Eruption + Earthquake
—
—
94 km
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km.
Closest: Harunasan (12 km).
Name
Type
Elevation
Last Eruption
Distance
Harunasan
Stratovolcano
1,449 m (4,754 ft)
550
12 km
Kusatsu-Shiranesan
Stratovolcano(es)
2,165 m (7,103 ft)
2018
28 km
Shiga
Shield(s)
2,041 m (6,696 ft)
Unknown
31 km
Akagisan
Stratovolcano
1,828 m (5,997 ft)
Unknown
32 km
Asamayama
Complex
2,568 m (8,425 ft)
2019
35 km
Nikko-Shiranesan
Shield
2,578 m (8,458 ft)
1952
53 km
Hiuchigatake
Stratovolcano
2,356 m (7,730 ft)
1544
57 km
Nantaisan
Stratovolcano
2,486 m (8,156 ft)
-9540
61 km
Omanago Group
Lava dome(s)
2,341 m (7,680 ft)
-3050
64 km
Yokodake
Stratovolcano(es)
2,480 m (8,136 ft)
1200
73 km
Myokosan
Stratovolcano
2,454 m (8,051 ft)
-750
73 km
Niigata-Yakeyama
Lava dome
2,400 m (7,874 ft)
1998
81 km
Takaharayama
Stratovolcano
1,795 m (5,889 ft)
-4570
90 km
Midagahara
Stratovolcano
2,621 m (8,599 ft)
1839
112 km
Washiba-Kumonotaira
Shield(s)
2,924 m (9,593 ft)
Unknown
113 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
31°F (-0°C)
3.4 in
Coldest
February
32°F (-0°C)
3.4 in
March
37°F (3°C)
3.2 in
April
48°F (9°C)
3.6 in
May
58°F (14°C)
4.2 in
June
64°F (18°C)
6.5 in
July
72°F (22°C)
7.3 in
August
74°F (23°C)
7.3 in
Warmest
September
66°F (19°C)
7.6 in
Wettest
October
55°F (13°C)
4.9 in
November
45°F (7°C)
2.8 in
December
36°F (2°C)
2.6 in
Driest
Nakanojō has a seasonal temperature swing of 43°F / from 31°F in January to 74°F in August. Total annual precipitation is 57.0 inches, with September being the wettest month (7.6") and December the driest (2.6").