Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Tokai enjoys a temperate climate with an average annual temperature of 56°F (14°C). Winters average 38°F in January while summers reach 74°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 city sits at an elevation of 85 feet.
Temperature
38°F Jan (3°C)74°F Jul (23°C)
Annual Average
56.4°F
4% above US avg
January Average
38°F (3°C)
July Average
74°F (23°C)
Sunny Days
234 days/yr
Geography
Elevation
85 ft (26 m)
Area
125.0 sq mi (323.7 km²)
Population Density
303/sq mi
Coordinates
36.4740°N, 140.5636°W
Timezone
Asia/Tokyo
Precipitation & Snow
Annual Rainfall56.1"
48% above US avg
Snowfall0.0"
Wettest Month (Sep)7.17"
Driest Month (Jan)1.50"
Air Quality
Earthquake History
4,317 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M7.9.
Mar 11, 2011
47 km E of ?arai, Japan
M7.9
54 km
43 km
May 7, 2008
78 km NE of Hasaki, Japan
M6.9
93 km
27 km
Apr 11, 2011
17 km SSW of Ishikawa, Japan
M6.6
60 km
11 km
Mar 11, 2011
115 km ENE of Hasaki, Japan
M6.5
145 km
49 km
Mar 11, 2011
81 km NE of Hasaki, Japan
M6.5
96 km
7 km
Mar 11, 2011
108 km ESE of Kitaibaraki, Japan
M6.4
118 km
32 km
Jun 1, 1990
near the east coast of Honshu, Japan
M6.3
108 km
67 km
Mar 11, 2011
near the east coast of Honshu, Japan
M6.3
113 km
25 km
Mar 11, 2011
92 km ENE of Hasaki, Japan
M6.3
124 km
21 km
Mar 11, 2011
30 km NNE of Namie, Japan
M6.3
148 km
32 km
Jul 30, 2011
13 km SSE of Iwaki, Japan
M6.3
63 km
38 km
Sep 11, 1996
23 km SSE of Hasaki, Japan
M6.2
110 km
55 km
Jun 3, 2000
6 km SE of Narut?, Japan
M6.2
103 km
62 km
Apr 21, 2011
6 km WNW of T?gane, Japan
M6.2
102 km
43 km
Apr 11, 2011
23 km SE of T?gane, Japan
M6.2
118 km
15 km
Mar 11, 2011
61 km ESE of Namie, Japan
M6.2
123 km
40 km
Mar 11, 2011
70 km ESE of Kitaibaraki, Japan
M6.2
83 km
40 km
May 7, 2008
80 km NE of Hasaki, Japan
M6.2
94 km
19 km
Sep 15, 2011
68 km E of ?arai, Japan
M6.1
74 km
28 km
Aug 5, 1990
43 km E of ?arai, Japan
M6.1
49 km
27 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
34 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
204 km
2024
Jebi
Category 1
75 mph
194 km
2021
Mindulle
Category 1
86 mph
296 km
2019
Faxai
Category 3
98 mph
44 km
2019
Hagibis
Category 1
92 mph
48 km
2018
Shanshan
Category 1
75 mph
192 km
2018
Jongdari
Category 1
81 mph
295 km
2016
Lionrock
Category 1
81 mph
194 km
2016
Mindulle
Category 1
75 mph
260 km
2014
Phanfone
Category 1
75 mph
262 km
2011
Roke
Category 1
92 mph
138 km
2007
Fitow
Category 1
81 mph
156 km
2005
Saola
Category 2
86 mph
290 km
2005
Mawar
Category 2
81 mph
66 km
2004
Ma-on
Category 3
92 mph
91 km
2002
Higos
Category 2
86 mph
87 km
2001
Vipa
Category 1
69 mph
289 km
2001
Danas
Category 1
81 mph
17 km
2000
Sonamu
Category 1
63 mph
236 km
2000
Kirogi
Category 1
86 mph
66 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
17 tsunamis recorded within 500 km.
Highest wave on record: 2.0 m (7 ft).
Year
Location
Cause
Max Wave
Deaths
Distance
1732
KUJUKURI BEACH, JAPAN
Earthquake
2.0 m
—
143 km
1670
BOSO, JAPAN
Earthquake
2.0 m
—
115 km
2016
E. COAST HONSHU ISLAND
Earthquake
1.4 m
—
126 km
1938
OFF FUKUSHIMA PREFECTURE
Earthquake
1.3 m
—
117 km
1938
JAPAN TRENCH
Earthquake
0.8 m
—
79 km
1938
SANRIKU
Earthquake
0.8 m
—
102 km
1938
SANRIKU
Earthquake
0.6 m
1
123 km
1938
SANRIKU
Earthquake
0.6 m
—
129 km
1982
IBARAKI, JAPAN
Earthquake
0.4 m
—
107 km
1961
KASHIMA, JAPAN
Earthquake
0.4 m
—
131 km
1961
KASHIMA, JAPAN
Earthquake
0.4 m
—
124 km
1938
SANRIKU
Earthquake
0.3 m
—
140 km
1896
KASHIMA, JAPAN
Earthquake
0.3 m
—
39 km
1935
JAPAN
Earthquake
0.2 m
—
76 km
1987
E. HONSHU ISLAND
Earthquake
0.1 m
—
115 km
1855
TOKAIDO
Earthquake
—
6,757
115 km
1642
BOSO, JAPAN
Earthquake
—
—
142 km
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km.
Closest: Takaharayama (85 km).
Name
Type
Elevation
Last Eruption
Distance
Takaharayama
Stratovolcano
1,795 m (5,889 ft)
-4570
85 km
Nasudake
Stratovolcano(es)
1,915 m (6,283 ft)
1963
90 km
Omanago Group
Lava dome(s)
2,341 m (7,680 ft)
-3050
101 km
Nantaisan
Stratovolcano
2,486 m (8,156 ft)
-9540
101 km
Nikko-Shiranesan
Shield
2,578 m (8,458 ft)
1952
112 km
Akagisan
Stratovolcano
1,828 m (5,997 ft)
Unknown
123 km
Hiuchigatake
Stratovolcano
2,356 m (7,730 ft)
1544
126 km
Bandaisan
Stratovolcano
1,816 m (5,958 ft)
1888
133 km
Adatarayama
Stratovolcano(es)
1,728 m (5,669 ft)
1996
133 km
Numazawa
Shield
835 m (2,740 ft)
-3400
140 km
Azumayama
Stratovolcano(es)
1,949 m (6,394 ft)
1977
143 km
Harunasan
Stratovolcano
1,449 m (4,754 ft)
550
153 km
Kusatsu-Shiranesan
Stratovolcano(es)
2,165 m (7,103 ft)
2018
183 km
Asamayama
Complex
2,568 m (8,425 ft)
2019
183 km
Shiga
Shield(s)
2,041 m (6,696 ft)
Unknown
184 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
38°F (3°C)
1.5 in
Coldest, Driest
February
39°F (4°C)
2.4 in
March
44°F (7°C)
3.9 in
April
53°F (12°C)
4.8 in
May
61°F (16°C)
5.5 in
June
67°F (19°C)
6.9 in
July
74°F (23°C)
6.2 in
August
77°F (25°C)
5.3 in
Warmest
September
71°F (22°C)
7.2 in
Wettest
October
61°F (16°C)
7.1 in
November
51°F (11°C)
3.3 in
December
42°F (6°C)
2.1 in
Tokai has a seasonal temperature swing of 39°F / from 38°F in January to 77°F in August. Total annual precipitation is 56.1 inches, with September being the wettest month (7.2") and January the driest (1.5").