Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Suibara enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 35°F in January while summers reach 76°F in July. The area gets 198 sunny days per year. Annual precipitation totals 76.0 inches (wetter than the 38-inch national average). The area receives 14.1 inches of snow annually. The city sits at an elevation of 20 feet.
Temperature
35°F Jan (1°C)76°F Jul (24°C)
Annual Average
55.6°F
3% above US avg
January Average
35°F (1°C)
July Average
76°F (24°C)
Sunny Days
198 days/yr
Geography
Elevation
20 ft (6 m)
Area
85.1 sq mi (220.5 km²)
Population Density
240/sq mi
Coordinates
37.8461°N, 139.2304°W
Timezone
Asia/Tokyo
Precipitation & Snow
Annual Rainfall76.0"
100% above US avg
Snowfall14.1"
Wettest Month (Dec)9.49"
Driest Month (May)4.06"
Air Quality
Earthquake History
471 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M6.6.
Apr 11, 2011
17 km SSW of Ishikawa, Japan
M6.6
140 km
11 km
Jul 16, 2007
20 km NNW of Kashiwazaki, Japan
M6.6
77 km
12 km
Jun 18, 2019
31 km WSW of Tsuruoka, Japan
M6.4
91 km
12 km
Mar 11, 2011
13 km E of Arai, Japan
M6.2
119 km
9 km
Jan 9, 2024
53 km WSW of Sado, Japan
M5.9
127 km
10 km
Apr 12, 2011
8 km WSW of Ishikawa, Japan
M5.9
130 km
11 km
Apr 16, 2008
6 km ENE of Yuza, Japan
M5.8
148 km
166 km
Apr 11, 2011
14 km SSE of Marumori, Japan
M5.8
139 km
10 km
Feb 25, 2013
29 km NE of Numata, Japan
M5.8
111 km
10 km
Mar 19, 2011
8 km WNW of Daigo, Japan
M5.7
149 km
6 km
Mar 11, 2011
eastern Honshu, Japan
M5.7
130 km
12 km
Jan 22, 1992
8 km WNW of Higashine, Japan
M5.7
117 km
116 km
Dec 3, 1996
35 km SE of Muramatsu, Japan
M5.7
46 km
139 km
Jul 16, 2007
16 km NNW of Kashiwazaki, Japan
M5.7
77 km
15 km
Mar 22, 2011
12 km ESE of Ishikawa, Japan
M5.5
144 km
38 km
Sep 29, 2010
35 km NNW of Kuroiso, Japan
M5.5
87 km
33 km
Apr 11, 2011
8 km WSW of Iiyama, Japan
M5.5
143 km
17 km
Apr 11, 2011
20 km SSW of Ishikawa, Japan
M5.5
138 km
10 km
Feb 8, 2012
45 km WSW of Ry?tsu-minato, Japan
M5.4
108 km
10 km
Apr 1, 1995
8 km NE of Kameda-honch?, Japan
M5.4
10 km
11 km
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
21 hurricanes (Category 1+) recorded within 500 km since 1980.
Strongest on record: Category 3.
Year
Name
Category
Max Wind
Closest
2019
Faxai
Category 2
92 mph
233 km
2019
Hagibis
Category 1
81 mph
154 km
2018
Jebi
Category 1
81 mph
240 km
2011
Roke
Category 1
81 mph
216 km
2007
Fitow
Category 1
75 mph
250 km
2005
Mawar
Category 2
75 mph
257 km
2004
Ma-on
Category 3
81 mph
232 km
2004
Chaba
Category 1
69 mph
291 km
2002
Higos
Category 1
81 mph
143 km
2001
Danas
Category 1
63 mph
191 km
2000
Kirogi
Category 1
81 mph
237 km
1998
Vicki
Category 2
63 mph
74 km
1998
Stella
Category 1
63 mph
188 km
1996
Violet
Category 1
81 mph
300 km
1996
Kirk
Category 1
63 mph
263 km
1995
Ryan
Category 1
40 mph
238 km
1994
Orchid
Category 1
69 mph
244 km
1993
Vernon
Category 1
75 mph
213 km
1991
Mireille
Category 1
98 mph
278 km
1990
Flo
Category 1
58 mph
257 km
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tsunami History
15 tsunamis recorded within 500 km.
Highest wave on record: 9.0 m (30 ft).
Year
Location
Cause
Max Wave
Deaths
Distance
1833
NW. HONSHU ISLAND
Earthquake
9.0 m
85
117 km
1964
NW. HONSHU ISLAND
Earthquake
5.8 m
36
60 km
1804
NW. HONSHU ISLAND
Earthquake
1.0 m
450
148 km
1987
HONSHU ISLAND
Earthquake
0.2 m
-
128 km
2019
NIIGATA
Earthquake
0.1 m
-
91 km
2007
HONSHU: W COAST
Earthquake
-
15
73 km
1894
YAMAGATA, JAPAN
Earthquake
-
726
127 km
1802
NW. HONSHU ISLAND
Earthquake
-
19
83 km
1762
NW. HONSHU ISLAND
Earthquake
-
-
54 km
1751
NW. HONSHU ISLAND
Eruption + Earthquake
-
2,100
123 km
1614
NIIGATA PREFECTURE
Earthquake
-
-
115 km
1448
SADO, JAPAN
Earthquake
-
-
99 km
887
NIIGATA
Earthquake
-
2,000
107 km
863
NW. HONSHU ISLAND
Eruption + Earthquake
-
-
137 km
850
NW. HONSHU ISLAND
Eruption + Earthquake
-
-
141 km
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km.
Closest: Numazawa (54 km).
Name
Type
Elevation
Last Eruption
Distance
Numazawa
Shield
835 m (2,740 ft)
-3400
54 km
Bandaisan
Stratovolcano
1,816 m (5,958 ft)
1888
79 km
Azumayama
Stratovolcano(es)
1,949 m (6,394 ft)
1977
90 km
Adatarayama
Stratovolcano(es)
1,728 m (5,669 ft)
1996
95 km
Hiuchigatake
Stratovolcano
2,356 m (7,730 ft)
1544
99 km
Nasudake
Stratovolcano(es)
1,915 m (6,283 ft)
1963
103 km
Zaozan [Zaosan]
Complex
1,841 m (6,040 ft)
1940
111 km
Takaharayama
Stratovolcano
1,795 m (5,889 ft)
-4570
116 km
Nikko-Shiranesan
Shield
2,578 m (8,458 ft)
1952
117 km
Omanago Group
Lava dome(s)
2,341 m (7,680 ft)
-3050
119 km
Nantaisan
Stratovolcano
2,486 m (8,156 ft)
-9540
122 km
Akagisan
Stratovolcano
1,828 m (5,997 ft)
Unknown
143 km
Shiga
Shield(s)
2,041 m (6,696 ft)
Unknown
143 km
Myokosan
Stratovolcano
2,454 m (8,051 ft)
-750
145 km
Niigata-Yakeyama
Lava dome
2,400 m (7,874 ft)
1998
147 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
35°F (1°C)
8.2 in
Coldest
February
35°F (2°C)
5.9 in
March
41°F (5°C)
4.8 in
April
52°F (11°C)
4.2 in
May
61°F (16°C)
4.1 in
Driest
June
69°F (20°C)
5.2 in
July
76°F (24°C)
7.2 in
August
79°F (26°C)
5.3 in
Warmest
September
71°F (22°C)
6.9 in
October
60°F (16°C)
6.7 in
November
50°F (10°C)
8.0 in
December
40°F (5°C)
9.5 in
Wettest
Suibara has a seasonal temperature swing of 44°F / from 35°F in January to 79°F in August. Total annual precipitation is 76.0 inches, with December being the wettest month (9.5") and May the driest (4.1").