Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Nagatoro experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 35°F in January while summers reach 74°F in July. The area gets 246 sunny days per year, above the national average. Annual precipitation totals 49.4 inches (wetter than the 38-inch national average). The area receives 1.4 inches of snow annually. The city sits at an elevation of 476 feet.
Temperature
35°F Jan (2°C)74°F Jul (23°C)
Annual Average
54.9°F
2% above US avg
January Average
35°F (2°C)
July Average
74°F (23°C)
Sunny Days
246 days/yr
Geography
Elevation
476 ft (145 m)
Area
12.7 sq mi (32.9 km²)
Population Density
539/sq mi
Coordinates
36.1031°N, 139.1095°W
Timezone
Asia/Tokyo
Precipitation & Snow
Annual Rainfall49.4"
30% above US avg
Snowfall1.4"
Wettest Month (Sep)7.72"
Driest Month (Dec)1.18"
Air Quality
Earthquake History
1,578 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M6.3.
Jun 1, 1990
near the east coast of Honshu, Japan
M6.3
128 km
67 km
Apr 21, 2011
6 km WNW of T?gane, Japan
M6.2
123 km
43 km
Mar 11, 2011
13 km E of Arai, Japan
M6.2
121 km
9 km
Jun 3, 2000
6 km SE of Narut?, Japan
M6.2
137 km
62 km
May 26, 2023
12 km SE of Narutō, Japan
M6.1
143 km
42 km
May 4, 2014
31 km ESE of It?, Japan
M6.0
135 km
153 km
Mar 15, 2011
6 km NNW of Fujinomiya, Japan
M6.0
104 km
9 km
Jan 15, 2007
15 km WSW of Heda, Japan
M5.9
141 km
170 km
Apr 10, 2005
near the east coast of Honshu, Japan
M5.9
129 km
43 km
Jul 23, 2005
9 km WSW of Ichihara, Japan
M5.9
104 km
61 km
Feb 25, 2013
29 km NE of Numata, Japan
M5.8
83 km
10 km
Apr 29, 2012
5 km NNW of T?gane, Japan
M5.8
125 km
44 km
Apr 16, 2011
6 km ENE of Tanuma, Japan
M5.8
58 km
77 km
Feb 1, 1992
4 km SSE of Miura, Japan
M5.8
121 km
100 km
Mar 19, 2011
8 km WNW of Daigo, Japan
M5.7
129 km
6 km
Mar 11, 2011
eastern Honshu, Japan
M5.7
118 km
12 km
Mar 16, 2011
6 km ENE of Asahi, Japan
M5.7
150 km
10 km
Jun 19, 2005
5 km ENE of Narut?, Japan
M5.7
135 km
48 km
May 3, 1998
14 km SW of It?, Japan
M5.6
138 km
34 km
Mar 4, 1997
9 km SSW of It?, Japan
M5.6
135 km
10 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
31 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
281 km
2019
Faxai
Category 3
98 mph
98 km
2019
Hagibis
Category 2
92 mph
62 km
2018
Jebi
Category 1
81 mph
260 km
2018
Shanshan
Category 1
75 mph
231 km
2018
Jongdari
Category 1
81 mph
224 km
2016
Mindulle
Category 1
75 mph
204 km
2014
Phanfone
Category 1
81 mph
148 km
2011
Roke
Category 2
92 mph
24 km
2009
Krovanh
Category 1
69 mph
298 km
2007
Fitow
Category 1
81 mph
57 km
2005
Mawar
Category 2
81 mph
106 km
2004
Ma-on
Category 3
92 mph
84 km
2003
Etau
Category 1
52 mph
268 km
2002
Higos
Category 2
86 mph
75 km
2001
Danas
Category 1
81 mph
79 km
2000
Kirogi
Category 1
86 mph
169 km
1998
Vicki
Category 2
69 mph
159 km
1998
Stella
Category 1
69 mph
54 km
1996
Violet
Category 1
81 mph
203 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
12 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
117 km
1495
KAMAKURA, SAGAMI BAY, TOKAIDO
Earthquake
5.0 m
200
117 km
1433
OFF IZU-OSHIMA
Earthquake
2.0 m
—
138 km
1980
HONSHU ISLAND
Earthquake
0.6 m
—
144 km
1978
TOKAIDO
Earthquake
0.4 m
25
145 km
1855
TOKAIDO
Earthquake
—
6,757
80 km
1782
ODAWARA, SAGAMI BAY
Eruption + Earthquake
—
—
124 km
1633
SAGAMI BAY
Earthquake
—
150
101 km
1257
SAGAMI BAY, JAPAN
Earthquake
—
—
106 km
1241
KAMAKURA, SAGAMI BAY
Earthquake
—
—
104 km
863
NW. HONSHU ISLAND
Eruption + Earthquake
—
—
149 km
818
TOKAIDO
Eruption + Earthquake
—
—
102 km
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km.
Closest: Harunasan (48 km).
Name
Type
Elevation
Last Eruption
Distance
Harunasan
Stratovolcano
1,449 m (4,754 ft)
550
48 km
Akagisan
Stratovolcano
1,828 m (5,997 ft)
Unknown
51 km
Asamayama
Complex
2,568 m (8,425 ft)
2019
63 km
Yokodake
Stratovolcano(es)
2,480 m (8,136 ft)
1200
71 km
Kusatsu-Shiranesan
Stratovolcano(es)
2,165 m (7,103 ft)
2018
77 km
Nikko-Shiranesan
Shield
2,578 m (8,458 ft)
1952
81 km
Nantaisan
Stratovolcano
2,486 m (8,156 ft)
-9540
81 km
Shiga
Shield(s)
2,041 m (6,696 ft)
Unknown
84 km
Omanago Group
Lava dome(s)
2,341 m (7,680 ft)
-3050
85 km
Fujisan
Stratovolcano
3,776 m (12,388 ft)
1708
89 km
Hiuchigatake
Stratovolcano
2,356 m (7,730 ft)
1544
96 km
Hakoneyama
Complex
1,438 m (4,718 ft)
2015
97 km
Takaharayama
Stratovolcano
1,795 m (5,889 ft)
-4570
107 km
Myokosan
Stratovolcano
2,454 m (8,051 ft)
-750
125 km
Niigata-Yakeyama
Lava dome
2,400 m (7,874 ft)
1998
132 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
35°F (2°C)
1.4 in
Coldest
February
36°F (2°C)
1.9 in
March
41°F (5°C)
2.6 in
April
52°F (11°C)
3.4 in
May
61°F (16°C)
4.1 in
June
67°F (20°C)
6.3 in
July
74°F (23°C)
5.9 in
August
76°F (25°C)
7.5 in
Warmest
September
69°F (21°C)
7.7 in
Wettest
October
58°F (15°C)
5.2 in
November
48°F (9°C)
2.3 in
December
40°F (4°C)
1.2 in
Driest
Nagatoro has a seasonal temperature swing of 41°F / from 35°F in January to 76°F in August. Total annual precipitation is 49.4 inches, with September being the wettest month (7.7") and December the driest (1.2").