Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Saijō experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 34°F in January while summers reach 75°F in July. The area gets 215 sunny days per year. Annual precipitation totals 66.5 inches (wetter than the 38-inch national average). The area receives 6.7 inches of snow annually. The city sits at an elevation of 1,070 feet.
Temperature
34°F Jan (1°C)75°F Jul (24°C)
Annual Average
54.5°F
1% above US avg
January Average
34°F (1°C)
July Average
75°F (24°C)
Sunny Days
215 days/yr
Geography
Elevation
1,070 ft (326 m)
Area
537.6 sq mi (1,392.5 km²)
Population Density
8/sq mi
Coordinates
34.9333°N, 133.1167°W
Timezone
Asia/Tokyo
Precipitation & Snow
Annual Rainfall66.5"
75% above US avg
Snowfall6.7"
Wettest Month (Jul)10.39"
Driest Month (Dec)2.87"
Air Quality
Earthquake History
68 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M6.8.
Mar 24, 2001
16 km SSW of Kure, Japan
M6.8
109 km
50 km
Oct 6, 2000
8 km ESE of Matsue, Japan
M6.7
58 km
10 km
Apr 8, 2018
8 km NNE of ?dach?-?da, Japan
M5.7
63 km
10 km
Aug 28, 1991
9 km SSW of Yasugich?, Japan
M5.5
46 km
13 km
Oct 8, 2000
32 km N of Sh?bara, Japan
M5.4
25 km
10 km
Jan 11, 2001
15 km E of Tottori, Japan
M5.3
132 km
33 km
Sep 16, 2002
24 km SW of Kurayoshi, Japan
M5.3
60 km
10 km
Sep 3, 1997
21 km S of Yasugich?, Japan
M5.3
34 km
10 km
Oct 8, 2000
8 km SSW of Yonago, Japan
M5.2
51 km
10 km
Mar 25, 2001
22 km WNW of H?j?, Japan
M5.2
115 km
43 km
Apr 26, 2007
15 km ESE of Niihama, Japan
M5.1
119 km
50 km
Jun 3, 2011
9 km ENE of G?tsuch?, Japan
M5.0
73 km
10 km
Sep 28, 1990
24 km NNW of Kariya, Japan
M4.9
104 km
26 km
Oct 4, 2011
14 km SW of Wakimachi, Japan
M4.8
137 km
43 km
May 26, 2005
6 km SSW of Kan’onjich?, Japan
M4.8
107 km
38 km
Apr 8, 2018
6 km S of ?dach?-?da, Japan
M4.7
60 km
9 km
Oct 6, 2000
9 km S of Yonago, Japan
M4.7
50 km
10 km
Mar 25, 2002
16 km W of Iyo, Japan
M4.6
145 km
53 km
Jan 16, 2011
11 km SSW of Ikedach?, Japan
M4.6
125 km
41 km
Jun 26, 2018
8 km NNW of Miyoshi, Japan
M4.6
28 km
35 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
42 hurricanes (Category 1+) recorded within 500 km since 1980.
Strongest on record: Category 3.
Year
Name
Category
Max Wind
Closest
2023
Lan
Category 1
69 mph
274 km
2022
Nanmadol
Category 1
81 mph
275 km
2022
Hinnamnor
Category 1
75 mph
287 km
2018
Jebi
Category 3
98 mph
178 km
2018
Trami
Category 1
92 mph
226 km
2018
Cimaron
Category 1
86 mph
149 km
2017
Noru
Category 1
69 mph
195 km
2016
Malakas
Category 1
81 mph
240 km
2015
Goni
Category 3
98 mph
195 km
2015
Nangka
Category 1
81 mph
241 km
2014
Halong
Category 1
81 mph
216 km
2011
Ma-on
Category 1
86 mph
193 km
2008
Sinlaku
Category 1
75 mph
285 km
2007
Usagi
Category 2
92 mph
138 km
2007
Man-yi
Category 1
75 mph
250 km
2006
Shanshan
Category 1
81 mph
270 km
2005
Nabi
Category 2
81 mph
167 km
2004
Songda
Category 2
86 mph
93 km
2004
Chaba
Category 2
92 mph
20 km
2003
Etau
Category 2
86 mph
169 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
3 tsunamis recorded within 500 km.
Highest wave on record: 10.0 m (33 ft).
Year
Location
Cause
Max Wave
Deaths
Distance
1026
OFF MASUDA, SHIMANE PREFECTURE
Earthquake
10.0 m
1,001
121 km
1872
SW. HONSHU ISLAND
Earthquake
3.0 m
804
102 km
1711
SEIONAIKAI, JAPAN
Earthquake
2.0 m
1,000
107 km
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
3 volcanoes within 200 km.
Closest: Sanbesan (51 km).
Name
Type
Elevation
Last Eruption
Distance
Sanbesan
Stratovolcano
1,126 m (3,694 ft)
650
51 km
Oki-Dogo
Shield
151 m (495 ft)
Unknown
140 km
Abu
Shield(s)
641 m (2,103 ft)
-6850
147 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
34°F (1°C)
3.3 in
Coldest
February
35°F (2°C)
3.4 in
March
41°F (5°C)
4.1 in
April
52°F (11°C)
5.4 in
May
60°F (16°C)
5.6 in
June
67°F (20°C)
9.7 in
July
75°F (24°C)
10.4 in
Wettest
August
77°F (25°C)
6.1 in
Warmest
September
69°F (20°C)
8.1 in
October
58°F (14°C)
4.5 in
November
48°F (9°C)
3.1 in
December
39°F (4°C)
2.9 in
Driest
Saijō has a seasonal temperature swing of 42°F / from 34°F in January to 77°F in August. Total annual precipitation is 66.5 inches, with July being the wettest month (10.4") and December the driest (2.9").