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Weather & Climate in Akashi, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Akashi enjoys a temperate climate with an average annual temperature of 60°F (16°C). Winters average 41°F in January while summers reach 79°F in July. The area gets 242 sunny days per year, above the national average. Annual precipitation totals 52.0 inches (wetter than the 38-inch national average). The city sits at an elevation of 121 feet.
Temperature
41°F Jan (5°C)
79°F Jul (26°C)
| Annual Average | 60.1°F |
| 11% above US avg | |
| January Average | 41°F (5°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 242 days/yr |
Geography
| Elevation | 121 ft (37 m) |
| Area | 19.1 sq mi (49.4 km²) |
| Population Density | 15,912/sq mi |
| Coordinates | 34.6552°N, 135.0069°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
309 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 | 8 km | 22 km |
| Apr 11, 1990 | 11 km ENE of Maizuru, Japan | M6.1 | 100 km | 362 km |
| Aug 7, 1992 | 21 km N of Miyazu, Japan | M5.8 | 120 km | 358 km |
| Jun 1, 1998 | 17 km SW of Owase, Japan | M5.8 | 127 km | 399 km |
| Apr 12, 2013 | 6 km WNW of Sumoto, Japan | M5.8 | 36 km | 14 km |
| Aug 20, 1999 | 22 km SE of Kainan, Japan | M5.7 | 79 km | 66 km |
| Apr 21, 2000 | 27 km NNE of Maizuru, Japan | M5.5 | 121 km | 347 km |
| Jun 17, 2018 | near the south coast of western Honshu, Japan | M5.5 | 61 km | 10 km |
| Oct 30, 2000 | western Honshu, Japan | M5.5 | 118 km | 35 km |
| Sep 24, 2003 | 5 km WNW of Ayabe, Japan | M5.4 | 75 km | 372 km |
| Jan 11, 2001 | 15 km E of Tottori, Japan | M5.3 | 107 km | 33 km |
| Sep 16, 2002 | 24 km SW of Kurayoshi, Japan | M5.3 | 141 km | 10 km |
| Mar 13, 2019 | 22 km ESE of Anan, Japan | M5.2 | 95 km | 37 km |
| Apr 22, 1998 | 18 km SE of Hikone, Japan | M5.2 | 140 km | 33 km |
| Apr 15, 2007 | 11 km ENE of Ueno-ebisumachi, Japan | M5.1 | 114 km | 16 km |
| Jun 10, 2009 | 7 km WSW of Ise, Japan | M5.1 | 150 km | 352 km |
| May 28, 1994 | 12 km WNW of Nagahama, Japan | M5.1 | 132 km | 49 km |
| Oct 20, 1991 | 45 km SSW of Tanabe, Japan | M5.1 | 148 km | 41 km |
| Apr 14, 2000 | 10 km SSW of Tanabe, Japan | M5.1 | 115 km | 35 km |
| Mar 16, 1999 | 10 km WNW of Kitahama, Japan | M5.1 | 97 km | 33 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
52 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 | 124 km |
| 2018 | Jebi | Category 3 | 98 mph | 41 km |
| 2018 | Trami | Category 1 | 92 mph | 105 km |
| 2018 | Cimaron | Category 1 | 86 mph | 29 km |
| 2018 | Jongdari | Category 1 | 75 mph | 192 km |
| 2017 | Lan | Category 2 | 104 mph | 246 km |
| 2017 | Noru | Category 1 | 69 mph | 73 km |
| 2016 | Malakas | Category 1 | 86 mph | 249 km |
| 2015 | Nangka | Category 1 | 81 mph | 195 km |
| 2014 | Phanfone | Category 2 | 92 mph | 177 km |
| 2014 | Halong | Category 1 | 81 mph | 242 km |
| 2012 | Jelawat | Category 1 | 92 mph | 229 km |
| 2011 | Roke | Category 3 | 98 mph | 185 km |
| 2011 | Ma-on | Category 1 | 86 mph | 123 km |
| 2009 | Melor | Category 1 | 86 mph | 163 km |
| 2008 | Sinlaku | Category 1 | 75 mph | 188 km |
| 2007 | Usagi | Category 1 | 52 mph | 298 km |
| 2007 | Man-yi | Category 1 | 81 mph | 298 km |
| 2005 | Mawar | Category 2 | 92 mph | 281 km |
| 2004 | Ma-on | Category 4 | 92 mph | 267 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tsunami History
11 tsunamis recorded within 500 km. Highest wave on record: 11.3 m (37 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1927 | SW. HONSHU ISLAND | Eruption + Earthquake | 11.3 m | 3,022 | 105 km |
| 1711 | SEIONAIKAI, JAPAN | Earthquake | 2.0 m | 1,000 | 100 km |
| 1510 | OSAKA BAY | Earthquake | 2.0 m | - | 37 km |
| 1909 | ANEGAWA, JAPAN | Earthquake | 1.8 m | 41 | 144 km |
| 1808 | E. AWA, TOKUSHIMA PREFECTURE | Earthquake | 1.5 m | - | 86 km |
| 1995 | KOBE, JAPAN | Earthquake | 0.3 m | 6,434 | 9 km |
| 1791 | OASAKA BAY | Earthquake | - | - | 40 km |
| 1498 | NANKAIDO | Earthquake | - | - | 130 km |
| 1331 | OFF TANABE, WAKAYAMA PREFECTURE | Earthquake | - | - | 108 km |
| 745 | OSAKA BAY, JAPAN | Earthquake | - | - | 28 km |
| 701 | SEA OF JAPAN | Earthquake | - | - | 122 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 1.7 in | Coldest |
| February | 41°F (5°C) | 2.2 in | |
| March | 46°F (8°C) | 3.6 in | |
| April | 57°F (14°C) | 5.2 in | |
| May | 65°F (18°C) | 5.5 in | |
| June | 72°F (22°C) | 8.3 in | Wettest |
| July | 79°F (26°C) | 6.0 in | |
| August | 82°F (28°C) | 3.8 in | Warmest |
| September | 75°F (24°C) | 7.4 in | |
| October | 64°F (18°C) | 4.3 in | |
| November | 54°F (12°C) | 2.7 in | |
| December | 45°F (7°C) | 1.4 in | Driest |
Akashi has a seasonal temperature swing of 41°F / from 41°F in January to 82°F in August. Total annual precipitation is 52.0 inches, with June being the wettest month (8.3") and December the driest (1.4").