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Weather & Climate in Saijō, Japan
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
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").