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Weather & Climate in Miyoshi, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Miyoshi enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 31°F in January while summers reach 76°F in July. The area gets 271 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 73.2 inches (wetter than the 38-inch national average). The area receives 26.6 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 2,969 feet.
Temperature
31°F Jan (-1°C)
76°F Jul (25°C)
| Annual Average | 57.2°F |
| 6% above US avg | |
| January Average | 31°F (-1°C) |
| July Average | 76°F (25°C) |
| Sunny Days | 271 days/yr |
Geography
| Elevation | 2,969 ft (905 m) |
| Area | 64.8 sq mi (167.8 km²) |
| Population Density | 0/sq mi |
| Coordinates | 33.9254°N, 133.8567°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
171 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 | 129 km | 22 km |
| Mar 24, 2001 | 16 km SSW of Kure, Japan | M6.8 | 124 km | 50 km |
| Apr 12, 2013 | 6 km WNW of Sumoto, Japan | M5.8 | 102 km | 14 km |
| Aug 20, 1999 | 22 km SE of Kainan, Japan | M5.7 | 143 km | 66 km |
| Sep 16, 2002 | 24 km SW of Kurayoshi, Japan | M5.3 | 149 km | 10 km |
| Mar 25, 2001 | 22 km WNW of H?j?, Japan | M5.2 | 122 km | 43 km |
| Mar 13, 2019 | 22 km ESE of Anan, Japan | M5.2 | 93 km | 37 km |
| Apr 26, 2007 | 15 km ESE of Niihama, Japan | M5.1 | 37 km | 50 km |
| Oct 20, 1991 | 45 km SSW of Tanabe, Japan | M5.1 | 144 km | 41 km |
| Apr 14, 2000 | 10 km SSW of Tanabe, Japan | M5.1 | 137 km | 35 km |
| Jul 5, 2011 | 12 km NNW of Gob?, Japan | M5.0 | 118 km | 16 km |
| Jan 16, 1995 | 20 km SW of Akashi, Japan | M5.0 | 113 km | 10 km |
| Aug 14, 1993 | 19 km SW of ?zu, Japan | M5.0 | 148 km | 41 km |
| Mar 11, 2019 | 6 km SE of Kihoku-ch?, Japan | M4.9 | 131 km | 44 km |
| Feb 26, 2024 | 18 km N of Yawatahama, Japan | M4.9 | 138 km | 42 km |
| Sep 28, 1990 | 24 km NNW of Kariya, Japan | M4.9 | 119 km | 26 km |
| Aug 30, 1993 | 16 km WSW of ?zu, Japan | M4.9 | 146 km | 47 km |
| Aug 22, 1994 | 39 km S of Anan, Japan | M4.9 | 80 km | 38 km |
| Oct 13, 1995 | 10 km ESE of Akashi, Japan | M4.9 | 138 km | 18 km |
| Jun 16, 2022 | 5 km S of Komatsushimach?, Japan | M4.9 | 66 km | 40 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
48 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 | 172 km |
| 2019 | Francisco | Category 1 | 81 mph | 299 km |
| 2018 | Jebi | Category 3 | 98 mph | 70 km |
| 2018 | Trami | Category 1 | 98 mph | 95 km |
| 2018 | Cimaron | Category 1 | 92 mph | 73 km |
| 2017 | Noru | Category 1 | 69 mph | 70 km |
| 2016 | Malakas | Category 1 | 86 mph | 130 km |
| 2015 | Goni | Category 1 | 81 mph | 298 km |
| 2015 | Nangka | Category 1 | 86 mph | 111 km |
| 2014 | Phanfone | Category 2 | 92 mph | 176 km |
| 2014 | Halong | Category 1 | 81 mph | 115 km |
| 2012 | Jelawat | Category 1 | 92 mph | 176 km |
| 2011 | Roke | Category 4 | 98 mph | 216 km |
| 2011 | Ma-on | Category 1 | 86 mph | 63 km |
| 2009 | Melor | Category 1 | 92 mph | 212 km |
| 2008 | Sinlaku | Category 1 | 75 mph | 158 km |
| 2007 | Usagi | Category 3 | 98 mph | 236 km |
| 2007 | Man-yi | Category 1 | 86 mph | 168 km |
| 2005 | Nabi | Category 1 | 75 mph | 268 km |
| 2004 | Songda | Category 2 | 86 mph | 215 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
9 tsunamis recorded within 500 km. Highest wave on record: 28.0 m (92 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1854 | NANKAIDO | Earthquake | 28.0 m | 3,000 | 140 km |
| 1707 | NANKAIDO | Earthquake | 25.7 m | 5,000 | 119 km |
| 1605 | NANKAIDO | Earthquake | 10.0 m | 5,000 | 141 km |
| 1711 | SEIONAIKAI, JAPAN | Earthquake | 2.0 m | 1,000 | 44 km |
| 1808 | E. AWA, TOKUSHIMA PREFECTURE | Earthquake | 1.5 m | — | 87 km |
| 1995 | KOBE, JAPAN | Earthquake | 0.3 m | 6,434 | 134 km |
| 1498 | NANKAIDO | Earthquake | — | — | 133 km |
| 1361 | NANKAIDO | Earthquake | — | 660 | 148 km |
| 1331 | OFF TANABE, WAKAYAMA PREFECTURE | Earthquake | — | — | 127 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: Sanbesan (176 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Sanbesan | Stratovolcano | 1,126 m (3,694 ft) | 650 | 176 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-1°C) | 2.1 in | Coldest |
| February | 39°F (4°C) | 2.8 in | |
| March | 45°F (7°C) | 4.4 in | |
| April | 55°F (13°C) | 7.1 in | |
| May | 63°F (17°C) | 7.7 in | |
| June | 69°F (21°C) | 11.4 in | Wettest |
| July | 76°F (25°C) | 9.8 in | |
| August | 78°F (26°C) | 5.8 in | Warmest |
| September | 71°F (22°C) | 10.4 in | |
| October | 61°F (16°C) | 5.7 in | |
| November | 51°F (11°C) | 3.6 in | |
| December | 42°F (6°C) | 1.9 in | Driest |
Miyoshi has a seasonal temperature swing of 47°F / from 31°F in January to 78°F in August. Total annual precipitation is 72.7 inches, with June being the wettest month (11.4") and December the driest (1.9").