Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Numata experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 31°F in January while summers reach 72°F in July. The area gets 227 sunny days per year, above the national average. Annual precipitation totals 59.8 inches (wetter than the 38-inch national average). The area receives 6.8 inches of snow annually. The city sits at an elevation of 1,234 feet.
Temperature
31°F Jan (-0°C)72°F Jul (22°C)
Annual Average
51.6°F
4% below US avg
January Average
31°F (-0°C)
July Average
72°F (22°C)
Sunny Days
227 days/yr
Geography
Elevation
1,234 ft (376 m)
Area
171.2 sq mi (443.5 km²)
Population Density
274/sq mi
Coordinates
36.6333°N, 139.0500°W
Timezone
Asia/Tokyo
Precipitation & Snow
Annual Rainfall59.8"
57% above US avg
Snowfall6.8"
Wettest Month (Aug)8.19"
Driest Month (Dec)2.64"
Air Quality
Earthquake History
1,307 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
114 km
12 km
Apr 11, 2011
17 km SSW of Ishikawa, Japan
M6.6
127 km
11 km
Mar 11, 2011
13 km E of Arai, Japan
M6.2
73 km
9 km
Apr 12, 2011
8 km WSW of Ishikawa, Japan
M5.9
129 km
11 km
Apr 16, 2011
6 km ENE of Tanuma, Japan
M5.8
61 km
77 km
Feb 25, 2013
29 km NE of Numata, Japan
M5.8
29 km
10 km
Dec 3, 1996
35 km SE of Muramatsu, Japan
M5.7
102 km
139 km
Jul 16, 2007
16 km NNW of Kashiwazaki, Japan
M5.7
110 km
15 km
Mar 19, 2011
8 km WNW of Daigo, Japan
M5.7
110 km
6 km
Mar 11, 2011
eastern Honshu, Japan
M5.7
75 km
12 km
Nov 9, 2013
3 km WSW of Moriya, Japan
M5.6
114 km
64 km
Mar 6, 1996
13 km NNE of Gotenba, Japan
M5.6
134 km
33 km
Aug 15, 1998
22 km WSW of Hotaka, Japan
M5.5
132 km
10 km
Sep 29, 2010
35 km NNW of Kuroiso, Japan
M5.5
101 km
33 km
Dec 21, 1996
3 km E of Sugito, Japan
M5.5
93 km
45 km
Apr 11, 2011
20 km SSW of Ishikawa, Japan
M5.5
123 km
10 km
Jul 15, 2011
5 km NE of Sakai, Japan
M5.5
91 km
89 km
Apr 11, 2011
8 km WSW of Iiyama, Japan
M5.5
71 km
17 km
Feb 15, 2005
2 km NNW of Iwatsuki, Japan
M5.5
92 km
46 km
Mar 15, 2012
3 km ENE of ?me, Japan
M5.5
95 km
104 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
146 km
2019
Hagibis
Category 1
92 mph
119 km
2018
Jebi
Category 1
81 mph
230 km
2018
Shanshan
Category 1
75 mph
275 km
2018
Jongdari
Category 1
81 mph
279 km
2016
Mindulle
Category 1
75 mph
263 km
2014
Phanfone
Category 1
75 mph
202 km
2011
Roke
Category 1
92 mph
83 km
2007
Fitow
Category 1
81 mph
116 km
2005
Mawar
Category 2
81 mph
153 km
2004
Ma-on
Category 3
92 mph
133 km
2004
Chaba
Category 1
69 mph
281 km
2003
Etau
Category 1
52 mph
281 km
2002
Higos
Category 2
86 mph
112 km
2001
Danas
Category 1
69 mph
120 km
2000
Kirogi
Category 1
86 mph
202 km
1998
Vicki
Category 2
69 mph
138 km
1998
Zeb
Category 1
58 mph
300 km
1998
Stella
Category 1
69 mph
76 km
1996
Violet
Category 1
81 mph
247 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
-
139 km
2007
HONSHU: W COAST
Earthquake
-
15
116 km
1855
TOKAIDO
Earthquake
-
6,757
128 km
1802
NW. HONSHU ISLAND
Earthquake
-
19
136 km
1751
NW. HONSHU ISLAND
Eruption + Earthquake
-
2,100
105 km
1614
NIIGATA PREFECTURE
Earthquake
-
-
134 km
1448
SADO, JAPAN
Earthquake
-
-
122 km
887
NIIGATA
Earthquake
-
2,000
128 km
863
NW. HONSHU ISLAND
Eruption + Earthquake
-
-
107 km
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km.
Closest: Akagisan (15 km).
Name
Type
Elevation
Last Eruption
Distance
Akagisan
Stratovolcano
1,828 m (5,997 ft)
Unknown
15 km
Harunasan
Stratovolcano
1,449 m (4,754 ft)
550
25 km
Nikko-Shiranesan
Shield
2,578 m (8,458 ft)
1952
34 km
Hiuchigatake
Stratovolcano
2,356 m (7,730 ft)
1544
41 km
Nantaisan
Stratovolcano
2,486 m (8,156 ft)
-9540
42 km
Omanago Group
Lava dome(s)
2,341 m (7,680 ft)
-3050
45 km
Kusatsu-Shiranesan
Stratovolcano(es)
2,165 m (7,103 ft)
2018
47 km
Shiga
Shield(s)
2,041 m (6,696 ft)
Unknown
48 km
Asamayama
Complex
2,568 m (8,425 ft)
2019
53 km
Takaharayama
Stratovolcano
1,795 m (5,889 ft)
-4570
71 km
Myokosan
Stratovolcano
2,454 m (8,051 ft)
-750
88 km
Yokodake
Stratovolcano(es)
2,480 m (8,136 ft)
1200
89 km
Niigata-Yakeyama
Lava dome
2,400 m (7,874 ft)
1998
96 km
Nasudake
Stratovolcano(es)
1,915 m (6,283 ft)
1963
98 km
Numazawa
Shield
835 m (2,740 ft)
-3400
101 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)
3.3 in
April
49°F (9°C)
3.8 in
May
58°F (14°C)
4.5 in
June
65°F (18°C)
6.8 in
July
72°F (22°C)
7.6 in
August
74°F (23°C)
8.2 in
Warmest, Wettest
September
66°F (19°C)
8.2 in
October
55°F (13°C)
5.2 in
November
45°F (7°C)
3.0 in
December
36°F (2°C)
2.6 in
Driest
Numata has a seasonal temperature swing of 43°F / from 31°F in January to 74°F in August. Total annual precipitation is 59.8 inches, with August being the wettest month (8.2") and December the driest (2.6").