Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Nakano experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 26°F in January while summers reach 70°F in July. The area gets 234 sunny days per year, above the national average. Annual precipitation totals 56.1 inches (wetter than the 38-inch national average). The area receives 12.9 inches of snow annually. The city sits at an elevation of 1,247 feet.
Temperature
26°F Jan (-3°C)70°F Jul (21°C)
Annual Average
48.6°F
10% below US avg
January Average
26°F (-3°C)
July Average
70°F (21°C)
Sunny Days
234 days/yr
Geography
Elevation
1,247 ft (380 m)
Area
43.3 sq mi (112.2 km²)
Population Density
985/sq mi
Coordinates
36.7500°N, 138.3667°W
Timezone
Asia/Tokyo
Precipitation & Snow
Annual Rainfall56.1"
48% above US avg
Snowfall12.9"
Wettest Month (Jul)7.28"
Driest Month (Dec)2.99"
Air Quality
Earthquake History
761 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M7.5.
Jan 1, 2024
2024 Noto Peninsula, Japan Earthquake
M7.5
127 km
10 km
Jul 16, 2007
20 km NNW of Kashiwazaki, Japan
M6.6
88 km
12 km
Feb 7, 1993
69 km NNE of Nanao, Japan
M6.6
140 km
11 km
May 5, 2023
49 km NE of Anamizu, Japan
M6.2
130 km
10 km
Mar 11, 2011
13 km E of Arai, Japan
M6.2
29 km
9 km
Jan 1, 2024
8 km SW of Anamizu, Japan
M6.2
145 km
10 km
Jan 9, 2024
53 km WSW of Sado, Japan
M5.9
134 km
10 km
Apr 16, 2011
6 km ENE of Tanuma, Japan
M5.8
122 km
77 km
Jan 1, 2024
42 km NE of Anamizu, Japan
M5.8
129 km
10 km
Feb 25, 2013
29 km NE of Numata, Japan
M5.8
79 km
10 km
Jul 16, 2007
16 km NNW of Kashiwazaki, Japan
M5.7
84 km
15 km
Dec 3, 1996
35 km SE of Muramatsu, Japan
M5.7
128 km
139 km
Jun 2, 2024
40 km NE of Anamizu, Japan
M5.7
125 km
9 km
Mar 11, 2011
eastern Honshu, Japan
M5.7
22 km
12 km
Jan 1, 2024
54 km NE of Anamizu, Japan
M5.6
121 km
10 km
May 5, 2023
43 km NE of Anamizu, Japan
M5.6
127 km
10 km
Jan 1, 2024
7 km N of Anamizu, Japan
M5.6
145 km
10 km
Aug 15, 1998
22 km WSW of Hotaka, Japan
M5.5
84 km
10 km
Apr 11, 2011
8 km WSW of Iiyama, Japan
M5.5
10 km
17 km
Jan 1, 2024
56 km NE of Anamizu, Japan
M5.5
121 km
10 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
28 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
196 km
2019
Hagibis
Category 1
92 mph
158 km
2018
Jebi
Category 1
86 mph
168 km
2018
Jongdari
Category 1
81 mph
275 km
2016
Mindulle
Category 1
75 mph
291 km
2014
Phanfone
Category 1
75 mph
206 km
2011
Roke
Category 1
92 mph
120 km
2007
Fitow
Category 1
81 mph
148 km
2005
Mawar
Category 2
81 mph
204 km
2004
Ma-on
Category 3
92 mph
181 km
2004
Chaba
Category 1
69 mph
219 km
2003
Etau
Category 1
58 mph
233 km
2002
Higos
Category 2
86 mph
167 km
2001
Danas
Category 1
69 mph
173 km
2000
Kirogi
Category 1
86 mph
263 km
1998
Vicki
Category 2
69 mph
77 km
1998
Zeb
Category 1
58 mph
240 km
1998
Stella
Category 1
69 mph
134 km
1996
Violet
Category 1
81 mph
300 km
1996
Kirk
Category 1
63 mph
179 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
12 tsunamis recorded within 500 km.
Highest wave on record: 11.3 m (37 ft).
Year
Location
Cause
Max Wave
Deaths
Distance
2024
HONSHU: W COAST
Eruption + Earthquake
11.3 m
549
127 km
1993
HONSHU ISLAND
Earthquake
0.5 m
—
140 km
1987
HONSHU ISLAND
Earthquake
0.2 m
—
89 km
2023
NOTO PENINSULA, JAPAN
Earthquake
0.1 m
1
129 km
2007
HONSHU: W COAST
Earthquake
—
15
92 km
1892
SW. HONSHU ISLAND
Earthquake
—
1
142 km
1802
NW. HONSHU ISLAND
Earthquake
—
19
106 km
1751
NW. HONSHU ISLAND
Eruption + Earthquake
—
2,100
55 km
1614
NIIGATA PREFECTURE
Earthquake
—
—
90 km
1448
SADO, JAPAN
Earthquake
—
—
85 km
887
NIIGATA
Earthquake
—
2,000
87 km
863
NW. HONSHU ISLAND
Eruption + Earthquake
—
—
51 km
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km.
Closest: Shiga (15 km).
Name
Type
Elevation
Last Eruption
Distance
Shiga
Shield(s)
2,041 m (6,696 ft)
Unknown
15 km
Kusatsu-Shiranesan
Stratovolcano(es)
2,165 m (7,103 ft)
2018
21 km
Myokosan
Stratovolcano
2,454 m (8,051 ft)
-750
27 km
Niigata-Yakeyama
Lava dome
2,400 m (7,874 ft)
1998
35 km
Asamayama
Complex
2,568 m (8,425 ft)
2019
41 km
Harunasan
Stratovolcano
1,449 m (4,754 ft)
550
53 km
Midagahara
Stratovolcano
2,621 m (8,599 ft)
1839
72 km
Yokodake
Stratovolcano(es)
2,480 m (8,136 ft)
1200
74 km
Akagisan
Stratovolcano
1,828 m (5,997 ft)
Unknown
77 km
Washiba-Kumonotaira
Shield(s)
2,924 m (9,593 ft)
Unknown
79 km
Hiuchigatake
Stratovolcano
2,356 m (7,730 ft)
1544
85 km
Nikko-Shiranesan
Shield
2,578 m (8,458 ft)
1952
90 km
Yakedake
Stratovolcano(es)
2,455 m (8,054 ft)
1995
91 km
Nantaisan
Stratovolcano
2,486 m (8,156 ft)
-9540
100 km
Omanago Group
Lava dome(s)
2,341 m (7,680 ft)
-3050
102 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
26°F (-3°C)
3.4 in
Coldest
February
27°F (-3°C)
3.2 in
March
33°F (1°C)
3.4 in
April
46°F (8°C)
3.6 in
May
56°F (13°C)
4.1 in
June
63°F (17°C)
6.5 in
July
70°F (21°C)
7.3 in
Wettest
August
72°F (22°C)
6.4 in
Warmest
September
64°F (18°C)
7.3 in
October
53°F (11°C)
4.8 in
November
42°F (6°C)
3.3 in
December
32°F (-0°C)
3.0 in
Driest
Nakano has a seasonal temperature swing of 46°F / from 26°F in January to 72°F in August. Total annual precipitation is 56.1 inches, with July being the wettest month (7.3") and December the driest (3.0").