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Weather & Climate in Asago, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Asago enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 37°F in January while summers reach 76°F in July. The area gets 266 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 74.3 inches (wetter than the 38-inch national average). The area receives 28.6 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 410 feet.
Temperature
37°F Jan (3°C)
76°F Jul (24°C)
| Annual Average | 55.6°F |
| 3% above US avg | |
| January Average | 37°F (3°C) |
| July Average | 76°F (24°C) |
| Sunny Days | 266 days/yr |
Geography
| Elevation | 410 ft (125 m) |
| Area | 190.9 sq mi (494.4 km²) |
| Population Density | 0/sq mi |
| Coordinates | 35.2591°N, 134.8139°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
234 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 | 77 km | 22 km |
| Apr 11, 1990 | 11 km ENE of Maizuru, Japan | M6.1 | 63 km | 362 km |
| Aug 7, 1992 | 21 km N of Miyazu, Japan | M5.8 | 61 km | 358 km |
| Apr 12, 2013 | 6 km WNW of Sumoto, Japan | M5.8 | 99 km | 14 km |
| Aug 20, 1999 | 22 km SE of Kainan, Japan | M5.7 | 148 km | 66 km |
| Aug 28, 1991 | 9 km SSW of Yasugich?, Japan | M5.5 | 146 km | 13 km |
| Jun 17, 2018 | near the south coast of western Honshu, Japan | M5.5 | 89 km | 10 km |
| Apr 21, 2000 | 27 km NNE of Maizuru, Japan | M5.5 | 76 km | 347 km |
| Sep 24, 2003 | 5 km WNW of Ayabe, Japan | M5.4 | 35 km | 372 km |
| Jan 11, 2001 | 15 km E of Tottori, Japan | M5.3 | 44 km | 33 km |
| Sep 16, 2002 | 24 km SW of Kurayoshi, Japan | M5.3 | 106 km | 10 km |
| Sep 3, 1997 | 21 km S of Yasugich?, Japan | M5.3 | 145 km | 10 km |
| Oct 8, 2000 | 8 km SSW of Yonago, Japan | M5.2 | 137 km | 10 km |
| Apr 22, 1998 | 18 km SE of Hikone, Japan | M5.2 | 146 km | 33 km |
| Jan 30, 1996 | 67 km NNE of Miyazu, Japan | M5.2 | 108 km | 361 km |
| Mar 16, 1999 | 10 km WNW of Kitahama, Japan | M5.1 | 92 km | 33 km |
| Apr 15, 2007 | 11 km ENE of Ueno-ebisumachi, Japan | M5.1 | 139 km | 16 km |
| May 28, 1994 | 12 km WNW of Nagahama, Japan | M5.1 | 121 km | 49 km |
| Jan 16, 1995 | 20 km SW of Akashi, Japan | M5.0 | 79 km | 10 km |
| Apr 16, 1994 | 16 km ENE of Maizuru, Japan | M5.0 | 68 km | 358 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
39 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 | 191 km |
| 2018 | Jebi | Category 2 | 98 mph | 76 km |
| 2018 | Trami | Category 1 | 92 mph | 174 km |
| 2018 | Cimaron | Category 1 | 86 mph | 74 km |
| 2018 | Jongdari | Category 1 | 75 mph | 225 km |
| 2017 | Noru | Category 1 | 69 mph | 142 km |
| 2016 | Malakas | Category 1 | 81 mph | 299 km |
| 2015 | Nangka | Category 1 | 81 mph | 256 km |
| 2014 | Halong | Category 1 | 81 mph | 287 km |
| 2014 | Phanfone | Category 1 | 86 mph | 230 km |
| 2012 | Jelawat | Category 1 | 92 mph | 296 km |
| 2011 | Roke | Category 3 | 92 mph | 236 km |
| 2011 | Ma-on | Category 1 | 86 mph | 186 km |
| 2009 | Melor | Category 1 | 86 mph | 215 km |
| 2008 | Sinlaku | Category 1 | 75 mph | 257 km |
| 2007 | Usagi | Category 1 | 52 mph | 256 km |
| 2004 | Songda | Category 2 | 86 mph | 200 km |
| 2004 | Chaba | Category 1 | 81 mph | 96 km |
| 2003 | Etau | Category 2 | 86 mph | 74 km |
| 1999 | Bart | Category 1 | 81 mph | 206 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
8 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 | 46 km |
| 1711 | SEIONAIKAI, JAPAN | Earthquake | 2.0 m | 1,000 | 130 km |
| 1510 | OSAKA BAY | Earthquake | 2.0 m | — | 91 km |
| 1909 | ANEGAWA, JAPAN | Earthquake | 1.8 m | 41 | 136 km |
| 1995 | KOBE, JAPAN | Earthquake | 0.3 m | 6,434 | 78 km |
| 1791 | OASAKA BAY | Earthquake | — | — | 100 km |
| 745 | OSAKA BAY, JAPAN | Earthquake | — | — | 86 km |
| 701 | SEA OF JAPAN | Earthquake | — | — | 72 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Oki-Dogo (168 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Oki-Dogo | Shield | 151 m (495 ft) | Unknown | 168 km |
| Sanbesan | Stratovolcano | 1,126 m (3,694 ft) | 650 | 200 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 37°F (3°C) | 4.4 in | |
| February | 36°F (2°C) | 4.3 in | Coldest |
| March | 41°F (5°C) | 4.7 in | |
| April | 52°F (11°C) | 5.0 in | |
| May | 61°F (16°C) | 5.6 in | |
| June | 68°F (20°C) | 7.8 in | |
| July | 76°F (24°C) | 7.5 in | |
| August | 78°F (25°C) | 5.1 in | Warmest |
| September | 70°F (21°C) | 8.6 in | Wettest |
| October | 59°F (15°C) | 5.1 in | |
| November | 49°F (10°C) | 4.2 in | |
| December | 40°F (5°C) | 3.6 in | Driest |
Asago has a seasonal temperature swing of 42°F / from 36°F in February to 78°F in August. Total annual precipitation is 65.9 inches, with September being the wettest month (8.6") and December the driest (3.6").