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Weather & Climate in Mitoyo, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Mitoyo enjoys a temperate climate with an average annual temperature of 60°F (15°C). Winters average 40°F in January while summers reach 80°F in July. The area gets 227 sunny days per year, above the national average. Annual precipitation totals 60.1 inches (wetter than the 38-inch national average). The city sits at an elevation of 220 feet.
Temperature
40°F Jan (5°C)
80°F Jul (26°C)
| Annual Average | 59.8°F |
| 11% above US avg | |
| January Average | 40°F (5°C) |
| July Average | 80°F (26°C) |
| Sunny Days | 227 days/yr |
Geography
| Elevation | 220 ft (67 m) |
| Area | 226.5 sq mi (586.7 km²) |
| Population Density | 290/sq mi |
| Coordinates | 34.2105°N, 133.6746°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
160 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.9.
| Jan 16, 1995 | 8 km S of Akashi, Japan | M6.9 | 130 km | 22 km |
| Mar 24, 2001 | 16 km SSW of Kure, Japan | M6.8 | 107 km | 50 km |
| Oct 6, 2000 | 8 km ESE of Matsue, Japan | M6.7 | 147 km | 10 km |
| Apr 12, 2013 | 6 km WNW of Sumoto, Japan | M5.8 | 107 km | 14 km |
| Aug 28, 1991 | 9 km SSW of Yasugich?, Japan | M5.5 | 132 km | 13 km |
| Oct 8, 2000 | 32 km N of Sh?bara, Japan | M5.4 | 119 km | 10 km |
| Sep 16, 2002 | 24 km SW of Kurayoshi, Japan | M5.3 | 116 km | 10 km |
| Sep 3, 1997 | 21 km S of Yasugich?, Japan | M5.3 | 120 km | 10 km |
| Mar 13, 2019 | 22 km ESE of Anan, Japan | M5.2 | 118 km | 37 km |
| Mar 25, 2001 | 22 km WNW of H?j?, Japan | M5.2 | 107 km | 43 km |
| Oct 8, 2000 | 8 km SSW of Yonago, Japan | M5.2 | 132 km | 10 km |
| Apr 26, 2007 | 15 km ESE of Niihama, Japan | M5.1 | 40 km | 50 km |
| Jan 16, 1995 | 20 km SW of Akashi, Japan | M5.0 | 112 km | 10 km |
| Jan 3, 1991 | 22 km W of ?zu, Japan | M5.0 | 149 km | 63 km |
| Jul 5, 2011 | 12 km NNW of Gob?, Japan | M5.0 | 137 km | 16 km |
| Jun 16, 2022 | 5 km S of Komatsushimach?, Japan | M4.9 | 88 km | 40 km |
| Mar 11, 2019 | 6 km SE of Kihoku-ch?, Japan | M4.9 | 141 km | 44 km |
| Feb 26, 2024 | 18 km N of Yawatahama, Japan | M4.9 | 134 km | 42 km |
| Aug 30, 1993 | 16 km WSW of ?zu, Japan | M4.9 | 147 km | 47 km |
| Sep 28, 1990 | 24 km NNW of Kariya, Japan | M4.9 | 97 km | 26 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
46 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2023 | Lan | Category 2 | 75 mph | 195 km |
| 2022 | Nanmadol | Category 1 | 86 mph | 292 km |
| 2018 | Jebi | Category 3 | 98 mph | 97 km |
| 2018 | Trami | Category 1 | 92 mph | 131 km |
| 2018 | Cimaron | Category 1 | 92 mph | 103 km |
| 2017 | Noru | Category 1 | 69 mph | 102 km |
| 2016 | Malakas | Category 1 | 86 mph | 158 km |
| 2015 | Goni | Category 2 | 81 mph | 268 km |
| 2015 | Nangka | Category 1 | 81 mph | 147 km |
| 2014 | Phanfone | Category 2 | 92 mph | 209 km |
| 2014 | Halong | Category 1 | 81 mph | 139 km |
| 2012 | Jelawat | Category 1 | 92 mph | 212 km |
| 2011 | Roke | Category 4 | 98 mph | 252 km |
| 2011 | Ma-on | Category 1 | 86 mph | 98 km |
| 2009 | Melor | Category 1 | 92 mph | 245 km |
| 2008 | Sinlaku | Category 1 | 75 mph | 194 km |
| 2007 | Usagi | Category 2 | 92 mph | 209 km |
| 2007 | Man-yi | Category 1 | 81 mph | 187 km |
| 2005 | Nabi | Category 1 | 75 mph | 239 km |
| 2004 | Songda | Category 2 | 86 mph | 181 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tsunami History
3 tsunamis recorded within 500 km. Highest wave on record: 2.0 m (7 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1711 | SEIONAIKAI, JAPAN | Earthquake | 2.0 m | 1,000 | 32 km |
| 1808 | E. AWA, TOKUSHIMA PREFECTURE | Earthquake | 1.5 m | - | 109 km |
| 1995 | KOBE, JAPAN | Earthquake | 0.3 m | 6,434 | 135 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Sanbesan (141 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Sanbesan | Stratovolcano | 1,126 m (3,694 ft) | 650 | 141 km |
| Abu | Shield(s) | 641 m (2,103 ft) | -6850 | 193 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (5°C) | 1.7 in | Coldest |
| February | 41°F (5°C) | 2.3 in | |
| March | 47°F (8°C) | 3.6 in | |
| April | 57°F (14°C) | 5.9 in | |
| May | 65°F (18°C) | 6.2 in | |
| June | 72°F (22°C) | 9.6 in | Wettest |
| July | 80°F (26°C) | 8.2 in | |
| August | 81°F (27°C) | 4.5 in | Warmest |
| September | 74°F (23°C) | 9.0 in | |
| October | 64°F (18°C) | 4.8 in | |
| November | 53°F (12°C) | 3.0 in | |
| December | 44°F (7°C) | 1.5 in | Driest |
Mitoyo has a seasonal temperature swing of 41°F / from 40°F in January to 81°F in August. Total annual precipitation is 60.1 inches, with June being the wettest month (9.6") and December the driest (1.5").