Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Iida experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 26°F in January while summers reach 67°F in July. The area gets 202 sunny days per year. Annual precipitation totals 73.7 inches (wetter than the 38-inch national average). The area receives 11.4 inches of snow annually. The city sits at an elevation of 1,696 feet.
Temperature
26°F Jan (-4°C)67°F Jul (19°C)
Annual Average
46.8°F
13% below US avg
January Average
26°F (-4°C)
July Average
67°F (19°C)
Sunny Days
202 days/yr
Geography
Elevation
1,696 ft (517 m)
Area
254.3 sq mi (658.7 km²)
Population Density
399/sq mi
Coordinates
35.5197°N, 137.8207°W
Timezone
Asia/Tokyo
Precipitation & Snow
Annual Rainfall73.7"
94% above US avg
Snowfall11.4"
Wettest Month (Sep)10.47"
Driest Month (Dec)1.97"
Air Quality
Earthquake History
544 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M6.2.
Aug 10, 2009
8 km NE of Sagara, Japan
M6.2
95 km
40 km
Mar 15, 2011
6 km NNW of Fujinomiya, Japan
M6.0
74 km
9 km
Jan 15, 2007
15 km WSW of Heda, Japan
M5.9
102 km
170 km
Aug 1, 2011
20 km E of ?yama, Japan
M5.9
113 km
13 km
May 23, 1997
38 km SSE of Tahara, Japan
M5.8
132 km
11 km
Mar 16, 1997
5 km NE of Toyokawa, Japan
M5.6
82 km
36 km
Nov 18, 2013
25 km SE of Toba, Japan
M5.6
150 km
328 km
Mar 6, 1996
13 km NNE of Gotenba, Japan
M5.6
106 km
33 km
Apr 20, 2006
16 km SE of It?, Japan
M5.6
146 km
23 km
May 3, 1998
14 km SW of It?, Japan
M5.6
128 km
34 km
Mar 4, 1997
9 km SSW of It?, Japan
M5.6
131 km
10 km
Mar 15, 2012
3 km ENE of ?me, Japan
M5.5
135 km
104 km
Apr 11, 2011
8 km WSW of Iiyama, Japan
M5.5
149 km
17 km
Aug 15, 1998
22 km WSW of Hotaka, Japan
M5.5
85 km
10 km
Apr 3, 2001
10 km NE of Mori, Japan
M5.4
72 km
33 km
Jun 26, 1990
near the south coast of Honshu, Japan
M5.4
129 km
150 km
Aug 26, 2010
25 km ENE of Katsuyama, Japan
M5.4
115 km
278 km
May 9, 2022
7 km NE of Toba, Japan
M5.3
138 km
329 km
Oct 5, 2011
24 km W of ?machi, Japan
M5.3
109 km
10 km
Jun 5, 1990
13 km NE of Gotenba, Japan
M5.3
112 km
122 km
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
40 hurricanes (Category 1+) recorded within 500 km since 1980.
Strongest on record: Category 4.
Year
Name
Category
Max Wind
Closest
2023
Lan
Category 1
69 mph
280 km
2019
Faxai
Category 4
98 mph
163 km
2019
Hagibis
Category 2
92 mph
130 km
2018
Jebi
Category 2
98 mph
201 km
2018
Trami
Category 1
92 mph
286 km
2018
Jongdari
Category 1
81 mph
131 km
2017
Lan
Category 1
98 mph
243 km
2016
Mindulle
Category 1
75 mph
205 km
2014
Phanfone
Category 1
86 mph
87 km
2011
Roke
Category 3
92 mph
69 km
2009
Melor
Category 1
86 mph
203 km
2009
Krovanh
Category 1
69 mph
295 km
2008
Sinlaku
Category 1
75 mph
240 km
2007
Fitow
Category 1
81 mph
125 km
2005
Mawar
Category 2
86 mph
141 km
2004
Ma-on
Category 4
92 mph
113 km
2004
Chaba
Category 1
69 mph
256 km
2003
Etau
Category 1
58 mph
147 km
2002
Higos
Category 2
86 mph
165 km
2001
Danas
Category 1
81 mph
141 km
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tsunami History
13 tsunamis recorded within 500 km.
Highest wave on record: 3.0 m (10 ft).
Year
Location
Cause
Max Wave
Deaths
Distance
1855
ENSHUNADA
Earthquake
3.0 m
-
115 km
1909
ANEGAWA, JAPAN
Earthquake
1.8 m
41
138 km
1945
TOKAIDO
Earthquake
1.0 m
2,306
107 km
2009
HONSHU: S COAST
Earthquake
0.6 m
1
95 km
1980
HONSHU ISLAND
Earthquake
0.6 m
-
147 km
1974
TOKAIDO
Earthquake
0.2 m
30
130 km
1857
TOKAIDO
Earthquake
-
-
91 km
1666
AICHI PREFECTURE
Earthquake
-
-
109 km
1633
SAGAMI BAY
Earthquake
-
150
130 km
1589
SURUGA, JAPAN
Earthquake
-
-
87 km
1586
ISE BAY
Earthquake
-
8,000
109 km
1241
KAMAKURA, SAGAMI BAY
Earthquake
-
-
148 km
818
TOKAIDO
Eruption + Earthquake
-
-
139 km
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km.
Closest: Ontakesan (52 km).
Name
Type
Elevation
Last Eruption
Distance
Ontakesan
Complex
3,067 m (10,062 ft)
2014
52 km
Norikuradake
Stratovolcano(es)
3,026 m (9,928 ft)
-50
70 km
Yokodake
Stratovolcano(es)
2,480 m (8,136 ft)
1200
78 km
Yakedake
Stratovolcano(es)
2,455 m (8,054 ft)
1995
81 km
Fujisan
Stratovolcano
3,776 m (12,388 ft)
1708
84 km
Washiba-Kumonotaira
Shield(s)
2,924 m (9,593 ft)
Unknown
101 km
Hakoneyama
Complex
1,438 m (4,718 ft)
2015
113 km
Asamayama
Complex
2,568 m (8,425 ft)
2019
117 km
Hakusan
Stratovolcano
2,702 m (8,865 ft)
1659
118 km
Midagahara
Stratovolcano
2,621 m (8,599 ft)
1839
119 km
Izu-Tobu
Pyroclastic cone(s)
1,406 m (4,613 ft)
1989
135 km
Kusatsu-Shiranesan
Stratovolcano(es)
2,165 m (7,103 ft)
2018
138 km
Harunasan
Stratovolcano
1,449 m (4,754 ft)
550
141 km
Shiga
Shield(s)
2,041 m (6,696 ft)
Unknown
144 km
Myokosan
Stratovolcano
2,454 m (8,051 ft)
-750
155 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
26°F (-4°C)
2.1 in
Coldest
February
27°F (-3°C)
2.7 in
March
33°F (0°C)
4.7 in
April
44°F (7°C)
6.4 in
May
53°F (12°C)
6.7 in
June
60°F (15°C)
10.0 in
July
67°F (19°C)
9.8 in
August
69°F (20°C)
9.7 in
Warmest
September
62°F (16°C)
10.5 in
Wettest
October
51°F (10°C)
5.9 in
November
41°F (5°C)
3.4 in
December
31°F (-0°C)
2.0 in
Driest
Iida has a seasonal temperature swing of 43°F / from 26°F in January to 69°F in August. Total annual precipitation is 73.7 inches, with September being the wettest month (10.5") and December the driest (2.0").