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Weather & Climate in Ami, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ami enjoys a temperate climate with an average annual temperature of 62°F (16°C). Winters average 39°F in January while summers reach 82°F in July. The area gets 294 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 51.7 inches (wetter than the 38-inch national average). The area receives 1.3 inches of snow annually. The city sits at an elevation of 98 feet.
Temperature
39°F Jan (4°C)
82°F Jul (28°C)
| Annual Average | 61.5°F |
| 14% above US avg | |
| January Average | 39°F (4°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 294 days/yr |
Geography
| Elevation | 98 ft (30 m) |
| Area | 27.6 sq mi (71.4 km²) |
| Population Density | 1,761/sq mi |
| Coordinates | 36.0333°N, 140.2000°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
3,550 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.9.
| Mar 11, 2011 | 47 km E of ?arai, Japan | M7.9 | 86 km | 43 km |
| May 7, 2008 | 78 km NE of Hasaki, Japan | M6.9 | 120 km | 27 km |
| Apr 11, 2011 | 17 km SSW of Ishikawa, Japan | M6.6 | 109 km | 11 km |
| Mar 11, 2011 | 81 km NE of Hasaki, Japan | M6.5 | 123 km | 7 km |
| Mar 11, 2011 | 92 km ENE of Hasaki, Japan | M6.3 | 145 km | 21 km |
| Jul 30, 2011 | 13 km SSE of Iwaki, Japan | M6.3 | 122 km | 38 km |
| Jun 1, 1990 | near the east coast of Honshu, Japan | M6.3 | 58 km | 67 km |
| Sep 11, 1996 | 23 km SSE of Hasaki, Japan | M6.2 | 87 km | 55 km |
| Apr 21, 2011 | 6 km WNW of T?gane, Japan | M6.2 | 51 km | 43 km |
| Mar 11, 2011 | 70 km ESE of Kitaibaraki, Japan | M6.2 | 130 km | 40 km |
| May 7, 2008 | 80 km NE of Hasaki, Japan | M6.2 | 122 km | 19 km |
| Apr 11, 2011 | 23 km SE of T?gane, Japan | M6.2 | 76 km | 15 km |
| Jun 3, 2000 | 6 km SE of Narut?, Japan | M6.2 | 59 km | 62 km |
| Sep 15, 2011 | 68 km E of ?arai, Japan | M6.1 | 105 km | 28 km |
| May 26, 2023 | 12 km SE of Narutō, Japan | M6.1 | 63 km | 42 km |
| Jun 5, 2012 | 75 km ESE of ?hara, Japan | M6.1 | 148 km | 15 km |
| May 7, 2008 | 95 km ENE of Hasaki, Japan | M6.1 | 141 km | 23 km |
| Mar 13, 2011 | 72 km E of Hasaki, Japan | M6.1 | 134 km | 8 km |
| Aug 5, 1990 | 43 km E of ?arai, Japan | M6.1 | 84 km | 27 km |
| Jan 9, 1995 | 48 km ENE of Hasaki, Japan | M6.0 | 104 km | 33 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
36 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Ampil | Category 3 | 98 mph | 199 km |
| 2024 | Jebi | Category 1 | 75 mph | 217 km |
| 2021 | Mindulle | Category 1 | 86 mph | 294 km |
| 2019 | Faxai | Category 3 | 98 mph | 28 km |
| 2019 | Hagibis | Category 2 | 92 mph | 87 km |
| 2018 | Shanshan | Category 1 | 75 mph | 160 km |
| 2018 | Jongdari | Category 1 | 81 mph | 238 km |
| 2016 | Mindulle | Category 1 | 75 mph | 203 km |
| 2016 | Lionrock | Category 1 | 81 mph | 217 km |
| 2014 | Phanfone | Category 1 | 75 mph | 206 km |
| 2011 | Roke | Category 1 | 92 mph | 91 km |
| 2009 | Krovanh | Category 1 | 69 mph | 283 km |
| 2007 | Fitow | Category 1 | 81 mph | 102 km |
| 2005 | Saola | Category 2 | 86 mph | 269 km |
| 2005 | Mawar | Category 2 | 81 mph | 38 km |
| 2004 | Ma-on | Category 3 | 92 mph | 60 km |
| 2003 | Choi-wan | Category 3 | 81 mph | 288 km |
| 2002 | Higos | Category 2 | 86 mph | 31 km |
| 2001 | Vipa | Category 1 | 63 mph | 267 km |
| 2001 | Danas | Category 1 | 81 mph | 38 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tsunami History
18 tsunamis recorded within 500 km. Highest wave on record: 13.0 m (43 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1923 | SAGAMI BAY | Earthquake | 13.0 m | 105,385 | 122 km |
| 1495 | KAMAKURA, SAGAMI BAY, TOKAIDO | Earthquake | 5.0 m | 200 | 122 km |
| 1732 | KUJUKURI BEACH, JAPAN | Earthquake | 2.0 m | - | 107 km |
| 1670 | BOSO, JAPAN | Earthquake | 2.0 m | - | 93 km |
| 1433 | OFF IZU-OSHIMA | Earthquake | 2.0 m | - | 141 km |
| 1938 | JAPAN TRENCH | Earthquake | 0.8 m | - | 131 km |
| 1982 | IBARAKI, JAPAN | Earthquake | 0.4 m | - | 136 km |
| 1923 | RYUKYU ISLANDS | Earthquake | 0.3 m | - | 126 km |
| 1896 | KASHIMA, JAPAN | Earthquake | 0.3 m | - | 89 km |
| 1935 | JAPAN | Earthquake | 0.2 m | - | 125 km |
| 1855 | TOKAIDO | Earthquake | - | 6,757 | 56 km |
| 1782 | ODAWARA, SAGAMI BAY | Eruption + Earthquake | - | - | 113 km |
| 1642 | BOSO, JAPAN | Earthquake | - | - | 100 km |
| 1633 | SAGAMI BAY | Earthquake | - | 150 | 129 km |
| 1602 | BOSO, JAPAN | Eruption + Earthquake | - | - | 107 km |
| 1257 | SAGAMI BAY, JAPAN | Earthquake | - | - | 112 km |
| 1241 | KAMAKURA, SAGAMI BAY | Earthquake | - | - | 118 km |
| 818 | TOKAIDO | Eruption + Earthquake | - | - | 123 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km. Closest: Nantaisan (103 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Nantaisan | Stratovolcano | 2,486 m (8,156 ft) | -9540 | 103 km |
| Takaharayama | Stratovolcano | 1,795 m (5,889 ft) | -4570 | 104 km |
| Omanago Group | Lava dome(s) | 2,341 m (7,680 ft) | -3050 | 105 km |
| Akagisan | Stratovolcano | 1,828 m (5,997 ft) | Unknown | 108 km |
| Nikko-Shiranesan | Shield | 2,578 m (8,458 ft) | 1952 | 113 km |
| Nasudake | Stratovolcano(es) | 1,915 m (6,283 ft) | 1963 | 123 km |
| Harunasan | Stratovolcano | 1,449 m (4,754 ft) | 550 | 131 km |
| Hiuchigatake | Stratovolcano | 2,356 m (7,730 ft) | 1544 | 131 km |
| Hakoneyama | Complex | 1,438 m (4,718 ft) | 2015 | 139 km |
| Fujisan | Stratovolcano | 3,776 m (12,388 ft) | 1708 | 153 km |
| Asamayama | Complex | 2,568 m (8,425 ft) | 2019 | 156 km |
| Izu-Tobu | Pyroclastic cone(s) | 1,406 m (4,613 ft) | 1989 | 161 km |
| Izu-Oshima | Stratovolcano | 758 m (2,487 ft) | 1990 | 163 km |
| Kusatsu-Shiranesan | Stratovolcano(es) | 2,165 m (7,103 ft) | 2018 | 163 km |
| Numazawa | Shield | 835 m (2,740 ft) | -3400 | 167 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 39°F (4°C) | 1.6 in | Coldest, Driest |
| February | 39°F (4°C) | 2.4 in | |
| March | 44°F (7°C) | 3.6 in | |
| April | 55°F (13°C) | 4.5 in | |
| May | 62°F (17°C) | 4.8 in | |
| June | 68°F (20°C) | 6.4 in | |
| July | 82°F (28°C) | 5.4 in | Warmest |
| August | 78°F (25°C) | 5.1 in | |
| September | 71°F (22°C) | 7.2 in | Wettest |
| October | 61°F (16°C) | 6.9 in | |
| November | 51°F (11°C) | 3.4 in | |
| December | 42°F (6°C) | 1.9 in |
Ami has a seasonal temperature swing of 43°F / from 39°F in January to 82°F in July. Total annual precipitation is 53.1 inches, with September being the wettest month (7.2") and January the driest (1.6").