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Weather & Climate in Minamiawaji, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Minamiawaji enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 41°F in January while summers reach 78°F in July. The area gets 227 sunny days per year, above the national average. Annual precipitation totals 60.0 inches (wetter than the 38-inch national average). The city sits at an elevation of 174 feet.
Temperature
41°F Jan (5°C)
78°F Jul (26°C)
| Annual Average | 59.4°F |
| 10% above US avg | |
| January Average | 41°F (5°C) |
| July Average | 78°F (26°C) |
| Sunny Days | 227 days/yr |
Geography
| Elevation | 174 ft (53 m) |
| Area | 524.0 sq mi (1,357.2 km²) |
| Population Density | 87/sq mi |
| Coordinates | 34.2740°N, 134.7751°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
270 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 | 41 km | 22 km |
| Apr 11, 1990 | 11 km ENE of Maizuru, Japan | M6.1 | 147 km | 362 km |
| Apr 12, 2013 | 6 km WNW of Sumoto, Japan | M5.8 | 12 km | 14 km |
| Jun 1, 1998 | 17 km SW of Owase, Japan | M5.8 | 126 km | 399 km |
| Aug 20, 1999 | 22 km SE of Kainan, Japan | M5.7 | 64 km | 66 km |
| Jun 17, 2018 | near the south coast of western Honshu, Japan | M5.5 | 100 km | 10 km |
| Oct 30, 2000 | western Honshu, Japan | M5.5 | 132 km | 35 km |
| Sep 24, 2003 | 5 km WNW of Ayabe, Japan | M5.4 | 122 km | 372 km |
| Jan 11, 2001 | 15 km E of Tottori, Japan | M5.3 | 138 km | 33 km |
| Sep 16, 2002 | 24 km SW of Kurayoshi, Japan | M5.3 | 150 km | 10 km |
| Mar 13, 2019 | 22 km ESE of Anan, Japan | M5.2 | 52 km | 37 km |
| Apr 14, 2000 | 10 km SSW of Tanabe, Japan | M5.1 | 85 km | 35 km |
| Mar 16, 1999 | 10 km WNW of Kitahama, Japan | M5.1 | 142 km | 33 km |
| Oct 20, 1991 | 45 km SSW of Tanabe, Japan | M5.1 | 113 km | 41 km |
| Apr 15, 2007 | 11 km ENE of Ueno-ebisumachi, Japan | M5.1 | 147 km | 16 km |
| Apr 26, 2007 | 15 km ESE of Niihama, Japan | M5.1 | 129 km | 50 km |
| Jul 5, 2011 | 12 km NNW of Gob?, Japan | M5.0 | 46 km | 16 km |
| Jun 20, 2023 | 8 km E of Shingū, Japan | M5.0 | 134 km | 410 km |
| Jan 16, 1995 | 20 km SW of Akashi, Japan | M5.0 | 31 km | 10 km |
| Sep 28, 1990 | 24 km NNW of Kariya, Japan | M4.9 | 88 km | 26 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
53 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2023 | Lan | Category 2 | 81 mph | 107 km |
| 2018 | Jebi | Category 3 | 98 mph | 12 km |
| 2018 | Trami | Category 1 | 92 mph | 85 km |
| 2018 | Cimaron | Category 1 | 92 mph | 37 km |
| 2018 | Jongdari | Category 1 | 75 mph | 215 km |
| 2017 | Lan | Category 2 | 104 mph | 244 km |
| 2017 | Noru | Category 1 | 69 mph | 43 km |
| 2016 | Malakas | Category 1 | 86 mph | 202 km |
| 2015 | Nangka | Category 1 | 81 mph | 148 km |
| 2014 | Phanfone | Category 2 | 92 mph | 153 km |
| 2014 | Halong | Category 1 | 81 mph | 197 km |
| 2012 | Jelawat | Category 1 | 92 mph | 187 km |
| 2011 | Roke | Category 4 | 98 mph | 182 km |
| 2011 | Ma-on | Category 1 | 86 mph | 77 km |
| 2009 | Melor | Category 1 | 92 mph | 171 km |
| 2008 | Sinlaku | Category 1 | 75 mph | 161 km |
| 2007 | Man-yi | Category 1 | 81 mph | 253 km |
| 2005 | Mawar | Category 2 | 92 mph | 273 km |
| 2004 | Ma-on | Category 4 | 98 mph | 258 km |
| 2004 | Songda | Category 2 | 86 mph | 261 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
13 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 | 132 km |
| 1707 | NANKAIDO | Earthquake | 25.7 m | 5,000 | 119 km |
| 1605 | NANKAIDO | Earthquake | 10.0 m | 5,000 | 142 km |
| 1711 | SEIONAIKAI, JAPAN | Earthquake | 2.0 m | 1,000 | 71 km |
| 1510 | OSAKA BAY | Earthquake | 2.0 m | — | 68 km |
| 1808 | E. AWA, TOKUSHIMA PREFECTURE | Earthquake | 1.5 m | — | 42 km |
| 1995 | KOBE, JAPAN | Earthquake | 0.3 m | 6,434 | 44 km |
| 1791 | OASAKA BAY | Earthquake | — | — | 63 km |
| 1498 | NANKAIDO | Earthquake | — | — | 95 km |
| 1361 | NANKAIDO | Earthquake | — | 660 | 143 km |
| 1331 | OFF TANABE, WAKAYAMA PREFECTURE | Earthquake | — | — | 75 km |
| 887 | NANKAIDO | Earthquake | — | — | 150 km |
| 745 | OSAKA BAY, JAPAN | Earthquake | — | — | 60 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 2.0 in | Coldest |
| February | 41°F (5°C) | 2.3 in | |
| March | 46°F (8°C) | 3.7 in | |
| April | 56°F (13°C) | 5.6 in | |
| May | 64°F (18°C) | 5.7 in | |
| June | 71°F (22°C) | 9.1 in | |
| July | 78°F (26°C) | 6.4 in | |
| August | 80°F (27°C) | 5.4 in | Warmest |
| September | 74°F (23°C) | 9.8 in | Wettest |
| October | 63°F (17°C) | 5.1 in | |
| November | 54°F (12°C) | 3.4 in | |
| December | 45°F (7°C) | 1.6 in | Driest |
Minamiawaji has a seasonal temperature swing of 40°F / from 41°F in January to 80°F in August. Total annual precipitation is 60.0 inches, with September being the wettest month (9.8") and December the driest (1.6").