Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Toi enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 41°F in January while summers reach 74°F in July. The area gets 197 sunny days per year. Annual precipitation totals 76.9 inches (wetter than the 38-inch national average). The city sits at an elevation of 509 feet.
Temperature
41°F Jan (5°C)74°F Jul (23°C)
Annual Average
57.9°F
7% above US avg
January Average
41°F (5°C)
July Average
74°F (23°C)
Sunny Days
197 days/yr
Geography
Elevation
509 ft (155 m)
Area
234.9 sq mi (608.5 km²)
Population Density
22/sq mi
Coordinates
34.9017°N, 138.8000°W
Timezone
Asia/Tokyo
Precipitation & Snow
Annual Rainfall76.9"
102% above US avg
Snowfall0.0"
Wettest Month (Jun)9.88"
Driest Month (Dec)2.56"
Air Quality
Earthquake History
1,665 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M6.5.
Jul 30, 2000
94 km SSE of Shimoda, Japan
M6.5
123 km
10 km
Sep 3, 1991
115 km S of Shimoda, Japan
M6.4
139 km
27 km
Feb 20, 1990
28 km E of Shimoda, Japan
M6.4
47 km
14 km
Aug 10, 2009
8 km NE of Sagara, Japan
M6.2
52 km
40 km
Jul 1, 2000
53 km SSE of Shimoda, Japan
M6.1
82 km
10 km
Jul 15, 2000
near the south coast of Honshu, Japan
M6.1
77 km
10 km
May 4, 2014
31 km ESE of It?, Japan
M6.0
56 km
153 km
Mar 15, 2011
6 km NNW of Fujinomiya, Japan
M6.0
46 km
9 km
Aug 1, 2011
20 km E of ?yama, Japan
M5.9
45 km
13 km
Oct 6, 1995
68 km S of Shimoda, Japan
M5.9
96 km
33 km
Jul 23, 2005
9 km WSW of Ichihara, Japan
M5.9
126 km
61 km
Jan 15, 2007
15 km WSW of Heda, Japan
M5.9
15 km
170 km
Jul 8, 2000
71 km SSE of Shimoda, Japan
M5.9
99 km
10 km
May 23, 1997
38 km SSE of Tahara, Japan
M5.8
134 km
11 km
Feb 1, 1992
4 km SSE of Miura, Japan
M5.8
80 km
100 km
Jul 30, 2000
90 km SSE of Shimoda, Japan
M5.7
119 km
10 km
Sep 20, 2003
12 km SSE of Kamogawa, Japan
M5.7
126 km
52 km
Aug 18, 2000
64 km SSE of Shimoda, Japan
M5.7
93 km
10 km
Jul 2, 2000
71 km SSE of Shimoda, Japan
M5.7
100 km
10 km
May 3, 1998
14 km SW of It?, Japan
M5.6
17 km
34 km
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
48 hurricanes (Category 1+) recorded within 500 km since 1980.
Strongest on record: Category 4.
Year
Name
Category
Max Wind
Closest
2025
Halong
Category 3
-
263 km
2025
Nakri
Category 1
-
243 km
2024
Ampil
Category 3
98 mph
221 km
2019
Faxai
Category 4
98 mph
51 km
2019
Hagibis
Category 2
92 mph
35 km
2018
Jongdari
Category 2
86 mph
91 km
2018
Jebi
Category 1
86 mph
298 km
2018
Shanshan
Category 1
81 mph
210 km
2017
Lan
Category 1
98 mph
223 km
2016
Mindulle
Category 1
75 mph
93 km
2014
Phanfone
Category 1
81 mph
37 km
2013
Wipha
Category 1
81 mph
234 km
2011
Roke
Category 3
92 mph
91 km
2010
Chaba
Category 1
75 mph
251 km
2009
Melor
Category 1
86 mph
225 km
2009
Krovanh
Category 1
69 mph
186 km
2008
Sinlaku
Category 1
75 mph
234 km
2007
Fitow
Category 1
81 mph
15 km
2005
Saola
Category 2
86 mph
265 km
2005
Mawar
Category 2
86 mph
30 km
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tsunami History
20 tsunamis recorded within 500 km.
Highest wave on record: 21.0 m (69 ft).
Year
Location
Cause
Max Wave
Deaths
Distance
1854
ENSHUNADA SEA
Earthquake
21.0 m
1,000
130 km
1923
SAGAMI BAY
Earthquake
13.0 m
105,385
68 km
1703
OFF SW BOSO PENINSULA
Earthquake
11.7 m
5,233
94 km
1707
ENSHUNADA
Earthquake
11.0 m
2,000
128 km
1498
ENSHUNADA SEA
Earthquake
10.0 m
5,000
119 km
1495
KAMAKURA, SAGAMI BAY, TOKAIDO
Earthquake
5.0 m
200
68 km
1855
ENSHUNADA
Earthquake
3.0 m
-
118 km
1433
OFF IZU-OSHIMA
Earthquake
2.0 m
-
64 km
1945
TOKAIDO
Earthquake
1.0 m
2,306
148 km
2009
HONSHU: S COAST
Earthquake
0.6 m
1
52 km
1980
HONSHU ISLAND
Earthquake
0.6 m
-
36 km
1978
TOKAIDO
Earthquake
0.4 m
25
43 km
1923
RYUKYU ISLANDS
Earthquake
0.3 m
-
128 km
1974
TOKAIDO
Earthquake
0.2 m
30
35 km
1982
S. OF HONSHU ISLAND
Earthquake
0.2 m
-
133 km
1990
JAPAN
Earthquake
0.2 m
-
47 km
2000
HONSHU: S COAST
Earthquake
0.1 m
-
123 km
2000
HONSHU: S COAST
Earthquake
0.1 m
-
77 km
2000
KOZU-SHIMA ISLAND, HONSHU
Earthquake
0.1 m
1
82 km
1857
TOKAIDO
Earthquake
-
-
47 km
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km.
Closest: Izu-Tobu (27 km).
Name
Type
Elevation
Last Eruption
Distance
Izu-Tobu
Pyroclastic cone(s)
1,406 m (4,613 ft)
1989
27 km
Hakoneyama
Complex
1,438 m (4,718 ft)
2015
42 km
Fujisan
Stratovolcano
3,776 m (12,388 ft)
1708
52 km
Izu-Oshima
Stratovolcano
758 m (2,487 ft)
1990
58 km
Toshima
Stratovolcano
508 m (1,667 ft)
-4550
61 km
Niijima
Lava dome(s)
432 m (1,417 ft)
886
71 km
Kozushima
Lava dome(s)
572 m (1,877 ft)
838
83 km
Miyakejima
Stratovolcano
775 m (2,543 ft)
2010
112 km
Mikurajima
Stratovolcano
851 m (2,792 ft)
-4100
136 km
Yokodake
Stratovolcano(es)
2,480 m (8,136 ft)
1200
139 km
Ontakesan
Complex
3,067 m (10,062 ft)
2014
163 km
Asamayama
Complex
2,568 m (8,425 ft)
2019
169 km
Norikuradake
Stratovolcano(es)
3,026 m (9,928 ft)
-50
175 km
Harunasan
Stratovolcano
1,449 m (4,754 ft)
550
175 km
Yakedake
Stratovolcano(es)
2,455 m (8,054 ft)
1995
184 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
41°F (5°C)
2.6 in
Coldest
February
41°F (5°C)
3.4 in
March
46°F (8°C)
5.8 in
April
55°F (13°C)
6.9 in
May
62°F (17°C)
7.0 in
June
68°F (20°C)
9.9 in
Wettest
July
74°F (23°C)
8.2 in
August
76°F (25°C)
9.6 in
Warmest
September
71°F (22°C)
9.6 in
October
62°F (17°C)
6.9 in
November
54°F (12°C)
4.4 in
December
45°F (7°C)
2.6 in
Driest
Toi has a seasonal temperature swing of 36°F / from 41°F in January to 76°F in August. Total annual precipitation is 76.9 inches, with June being the wettest month (9.9") and December the driest (2.6").