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Weather & Climate in Ama, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ama enjoys a temperate climate with an average annual temperature of 60°F (15°C). Winters average 40°F in January while summers reach 79°F in July. The area gets 201 sunny days per year. Annual precipitation totals 74.2 inches (wetter than the 38-inch national average). The city sits at an elevation of -7 feet.
Temperature
40°F Jan (4°C)
79°F Jul (26°C)
| Annual Average | 59.5°F |
| 10% above US avg | |
| January Average | 40°F (4°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 201 days/yr |
Geography
| Elevation | -7 ft (-2 m) |
| Area | 10.7 sq mi (27.6 km²) |
| Population Density | 8,087/sq mi |
| Coordinates | 35.1831°N, 136.7997°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
512 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.2.
| Aug 10, 2009 | 8 km NE of Sagara, Japan | M6.2 | 142 km | 40 km |
| Apr 11, 1990 | 11 km ENE of Maizuru, Japan | M6.1 | 127 km | 362 km |
| Jul 7, 1995 | 62 km SSE of Toba, Japan | M6.0 | 138 km | 333 km |
| May 23, 1997 | 38 km SSE of Tahara, Japan | M5.8 | 110 km | 11 km |
| Mar 16, 1997 | 5 km NE of Toyokawa, Japan | M5.6 | 69 km | 36 km |
| Nov 18, 2013 | 25 km SE of Toba, Japan | M5.6 | 97 km | 328 km |
| Aug 15, 1998 | 22 km WSW of Hotaka, Japan | M5.5 | 143 km | 10 km |
| Jan 18, 2003 | 67 km SSE of Toba, Japan | M5.5 | 143 km | 33 km |
| Jun 17, 2018 | near the south coast of western Honshu, Japan | M5.5 | 113 km | 10 km |
| Oct 30, 2000 | western Honshu, Japan | M5.5 | 112 km | 35 km |
| Aug 1, 2007 | 42 km ESE of Owase, Japan | M5.5 | 143 km | 371 km |
| Apr 21, 2000 | 27 km NNE of Maizuru, Japan | M5.5 | 131 km | 347 km |
| Apr 3, 2001 | 10 km NE of Mori, Japan | M5.4 | 116 km | 33 km |
| Aug 26, 2010 | 25 km ENE of Katsuyama, Japan | M5.4 | 104 km | 278 km |
| Sep 24, 2003 | 5 km WNW of Ayabe, Japan | M5.4 | 147 km | 372 km |
| Jan 6, 2004 | 36 km S of Ise, Japan | M5.3 | 115 km | 33 km |
| May 9, 2022 | 7 km NE of Toba, Japan | M5.3 | 73 km | 329 km |
| May 19, 2020 | 18 km WSW of Hotaka, Japan | M5.2 | 146 km | 10 km |
| Apr 22, 1998 | 18 km SE of Hikone, Japan | M5.2 | 35 km | 33 km |
| Apr 23, 2020 | 18 km WNW of Shiojiri, Japan | M5.2 | 141 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
44 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 | 193 km |
| 2019 | Faxai | Category 4 | 98 mph | 234 km |
| 2019 | Hagibis | Category 2 | 92 mph | 185 km |
| 2018 | Jebi | Category 2 | 98 mph | 114 km |
| 2018 | Trami | Category 1 | 92 mph | 195 km |
| 2018 | Cimaron | Category 1 | 86 mph | 202 km |
| 2018 | Jongdari | Category 1 | 81 mph | 81 km |
| 2017 | Lan | Category 1 | 98 mph | 202 km |
| 2017 | Noru | Category 1 | 69 mph | 204 km |
| 2016 | Mindulle | Category 1 | 75 mph | 266 km |
| 2014 | Phanfone | Category 1 | 86 mph | 105 km |
| 2011 | Roke | Category 3 | 92 mph | 96 km |
| 2011 | Ma-on | Category 1 | 86 mph | 268 km |
| 2009 | Melor | Category 1 | 86 mph | 133 km |
| 2008 | Sinlaku | Category 1 | 75 mph | 187 km |
| 2007 | Fitow | Category 1 | 81 mph | 196 km |
| 2005 | Mawar | Category 2 | 86 mph | 186 km |
| 2004 | Ma-on | Category 4 | 92 mph | 169 km |
| 2004 | Chaba | Category 1 | 69 mph | 223 km |
| 2003 | Etau | Category 2 | 86 mph | 71 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
15 tsunamis recorded within 500 km. Highest wave on record: 10.0 m (33 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1944 | OFF SOUTHEAST COAST KII PENINSULA | Earthquake | 10.0 m | 1,223 | 134 km |
| 1096 | ENSHUNADA | Earthquake | 7.0 m | — | 146 km |
| 1855 | ENSHUNADA | Earthquake | 3.0 m | — | 105 km |
| 1510 | OSAKA BAY | Earthquake | 2.0 m | — | 143 km |
| 1909 | ANEGAWA, JAPAN | Earthquake | 1.8 m | 41 | 51 km |
| 1945 | TOKAIDO | Earthquake | 1.0 m | 2,306 | 65 km |
| 2009 | HONSHU: S COAST | Earthquake | 0.6 m | 1 | 142 km |
| 1857 | TOKAIDO | Earthquake | — | — | 143 km |
| 1791 | OASAKA BAY | Earthquake | — | — | 149 km |
| 1726 | KATSUYAMA | Earthquake | — | — | 144 km |
| 1708 | TOKAIDO | Earthquake | — | — | 133 km |
| 1666 | AICHI PREFECTURE | Earthquake | — | — | 20 km |
| 1589 | SURUGA, JAPAN | Earthquake | — | — | 135 km |
| 1586 | ISE BAY | Earthquake | — | 8,000 | 20 km |
| 701 | SEA OF JAPAN | Earthquake | — | — | 139 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
8 volcanoes within 200 km. Closest: Ontakesan (100 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Ontakesan | Complex | 3,067 m (10,062 ft) | 2014 | 100 km |
| Hakusan | Stratovolcano | 2,702 m (8,865 ft) | 1659 | 108 km |
| Norikuradake | Stratovolcano(es) | 3,026 m (9,928 ft) | -50 | 123 km |
| Yakedake | Stratovolcano(es) | 2,455 m (8,054 ft) | 1995 | 136 km |
| Washiba-Kumonotaira | Shield(s) | 2,924 m (9,593 ft) | Unknown | 154 km |
| Midagahara | Stratovolcano | 2,621 m (8,599 ft) | 1839 | 170 km |
| Yokodake | Stratovolcano(es) | 2,480 m (8,136 ft) | 1200 | 170 km |
| Fujisan | Stratovolcano | 3,776 m (12,388 ft) | 1708 | 176 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (4°C) | 2.4 in | Coldest |
| February | 40°F (5°C) | 3.3 in | |
| March | 46°F (8°C) | 5.1 in | |
| April | 57°F (14°C) | 7.3 in | |
| May | 65°F (18°C) | 7.4 in | |
| June | 72°F (22°C) | 10.7 in | Wettest |
| July | 79°F (26°C) | 10.6 in | |
| August | 81°F (27°C) | 6.7 in | Warmest |
| September | 74°F (23°C) | 9.6 in | |
| October | 63°F (17°C) | 5.4 in | |
| November | 53°F (12°C) | 3.7 in | |
| December | 44°F (7°C) | 2.1 in | Driest |
Ama has a seasonal temperature swing of 42°F / from 40°F in January to 81°F in August. Total annual precipitation is 74.2 inches, with June being the wettest month (10.7") and December the driest (2.1").