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Weather & Climate in Susono, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Susono enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 38°F in January while summers reach 73°F in July. The area gets 214 sunny days per year. Annual precipitation totals 67.3 inches (wetter than the 38-inch national average). The city sits at an elevation of 436 feet.
Temperature
38°F Jan (3°C)
73°F Jul (23°C)
| Annual Average | 56.1°F |
| 4% above US avg | |
| January Average | 38°F (3°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 214 days/yr |
Geography
| Elevation | 436 ft (133 m) |
| Area | 53.3 sq mi (138.1 km²) |
| Population Density | 960/sq mi |
| Coordinates | 35.1739°N, 138.9069°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
1,998 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.5.
| Jul 30, 2000 | 94 km SSE of Shimoda, Japan | M6.5 | 148 km | 10 km |
| Feb 20, 1990 | 28 km E of Shimoda, Japan | M6.4 | 61 km | 14 km |
| Jun 1, 1990 | near the east coast of Honshu, Japan | M6.3 | 136 km | 67 km |
| Apr 21, 2011 | 6 km WNW of T?gane, Japan | M6.2 | 135 km | 43 km |
| Jun 3, 2000 | 6 km SE of Narut?, Japan | M6.2 | 147 km | 62 km |
| Aug 10, 2009 | 8 km NE of Sagara, Japan | M6.2 | 76 km | 40 km |
| Jul 1, 2000 | 53 km SSE of Shimoda, Japan | M6.1 | 108 km | 10 km |
| Jul 15, 2000 | near the south coast of Honshu, Japan | M6.1 | 100 km | 10 km |
| May 4, 2014 | 31 km ESE of It?, Japan | M6.0 | 55 km | 153 km |
| Mar 15, 2011 | 6 km NNW of Fujinomiya, Japan | M6.0 | 32 km | 9 km |
| Jan 15, 2007 | 15 km WSW of Heda, Japan | M5.9 | 40 km | 170 km |
| Jul 23, 2005 | 9 km WSW of Ichihara, Japan | M5.9 | 104 km | 61 km |
| Jul 8, 2000 | 71 km SSE of Shimoda, Japan | M5.9 | 126 km | 10 km |
| Oct 6, 1995 | 68 km S of Shimoda, Japan | M5.9 | 124 km | 33 km |
| Apr 10, 2005 | near the east coast of Honshu, Japan | M5.9 | 144 km | 43 km |
| Aug 1, 2011 | 20 km E of ?yama, Japan | M5.9 | 74 km | 13 km |
| Feb 1, 1992 | 4 km SSE of Miura, Japan | M5.8 | 67 km | 100 km |
| Apr 29, 2012 | 5 km NNW of T?gane, Japan | M5.8 | 139 km | 44 km |
| Apr 16, 2011 | 6 km ENE of Tanuma, Japan | M5.8 | 150 km | 77 km |
| Aug 18, 2000 | 64 km SSE of Shimoda, Japan | M5.7 | 119 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
45 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Halong | Category 3 | — | 286 km |
| 2025 | Nakri | Category 1 | — | 264 km |
| 2024 | Ampil | Category 3 | 98 mph | 231 km |
| 2019 | Faxai | Category 4 | 98 mph | 64 km |
| 2019 | Hagibis | Category 2 | 92 mph | 65 km |
| 2018 | Jongdari | Category 2 | 86 mph | 122 km |
| 2018 | Shanshan | Category 1 | 81 mph | 204 km |
| 2017 | Lan | Category 1 | 98 mph | 252 km |
| 2016 | Mindulle | Category 1 | 75 mph | 111 km |
| 2014 | Phanfone | Category 1 | 81 mph | 55 km |
| 2013 | Wipha | Category 1 | 81 mph | 264 km |
| 2011 | Roke | Category 3 | 92 mph | 85 km |
| 2010 | Chaba | Category 1 | 75 mph | 283 km |
| 2009 | Melor | Category 1 | 86 mph | 248 km |
| 2009 | Krovanh | Category 1 | 69 mph | 207 km |
| 2008 | Sinlaku | Category 1 | 75 mph | 262 km |
| 2007 | Fitow | Category 1 | 81 mph | 42 km |
| 2005 | Saola | Category 2 | 86 mph | 286 km |
| 2005 | Mawar | Category 2 | 86 mph | 45 km |
| 2004 | Ma-on | Category 4 | 92 mph | 36 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
20 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 | 55 km |
| 1703 | OFF SW BOSO PENINSULA | Earthquake | 11.7 m | 5,233 | 97 km |
| 1498 | ENSHUNADA SEA | Earthquake | 10.0 m | 5,000 | 150 km |
| 1495 | KAMAKURA, SAGAMI BAY, TOKAIDO | Earthquake | 5.0 m | 200 | 55 km |
| 1855 | ENSHUNADA | Earthquake | 3.0 m | — | 141 km |
| 1433 | OFF IZU-OSHIMA | Earthquake | 2.0 m | — | 62 km |
| 2009 | HONSHU: S COAST | Earthquake | 0.6 m | 1 | 76 km |
| 1980 | HONSHU ISLAND | Earthquake | 0.6 m | — | 48 km |
| 1978 | TOKAIDO | Earthquake | 0.4 m | 25 | 52 km |
| 1923 | RYUKYU ISLANDS | Earthquake | 0.3 m | — | 122 km |
| 1974 | TOKAIDO | Earthquake | 0.2 m | 30 | 67 km |
| 1990 | JAPAN | Earthquake | 0.2 m | — | 61 km |
| 2000 | HONSHU: S COAST | Earthquake | 0.1 m | — | 148 km |
| 2000 | KOZU-SHIMA ISLAND, HONSHU | Earthquake | 0.1 m | 1 | 108 km |
| 2000 | HONSHU: S COAST | Earthquake | 0.1 m | — | 100 km |
| 1857 | TOKAIDO | Earthquake | — | — | 69 km |
| 1855 | TOKAIDO | Earthquake | — | 6,757 | 97 km |
| 1782 | ODAWARA, SAGAMI BAY | Eruption + Earthquake | — | — | 73 km |
| 1633 | SAGAMI BAY | Earthquake | — | 150 | 27 km |
| 1602 | BOSO, JAPAN | Eruption + Earthquake | — | — | 145 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km. Closest: Hakoneyama (12 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Hakoneyama | Complex | 1,438 m (4,718 ft) | 2015 | 12 km |
| Fujisan | Stratovolcano | 3,776 m (12,388 ft) | 1708 | 26 km |
| Izu-Tobu | Pyroclastic cone(s) | 1,406 m (4,613 ft) | 1989 | 35 km |
| Izu-Oshima | Stratovolcano | 758 m (2,487 ft) | 1990 | 67 km |
| Toshima | Stratovolcano | 508 m (1,667 ft) | -4550 | 80 km |
| Niijima | Lava dome(s) | 432 m (1,417 ft) | 886 | 93 km |
| Kozushima | Lava dome(s) | 572 m (1,877 ft) | 838 | 109 km |
| Yokodake | Stratovolcano(es) | 2,480 m (8,136 ft) | 1200 | 115 km |
| Miyakejima | Stratovolcano | 775 m (2,543 ft) | 2010 | 133 km |
| Asamayama | Complex | 2,568 m (8,425 ft) | 2019 | 141 km |
| Harunasan | Stratovolcano | 1,449 m (4,754 ft) | 550 | 145 km |
| Ontakesan | Complex | 3,067 m (10,062 ft) | 2014 | 152 km |
| Akagisan | Stratovolcano | 1,828 m (5,997 ft) | Unknown | 156 km |
| Mikurajima | Stratovolcano | 851 m (2,792 ft) | -4100 | 158 km |
| Norikuradake | Stratovolcano(es) | 3,026 m (9,928 ft) | -50 | 160 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 38°F (3°C) | 2.2 in | Coldest |
| February | 38°F (4°C) | 2.8 in | |
| March | 44°F (6°C) | 4.8 in | |
| April | 53°F (12°C) | 5.5 in | |
| May | 61°F (16°C) | 6.0 in | |
| June | 67°F (19°C) | 8.7 in | |
| July | 73°F (23°C) | 7.0 in | |
| August | 76°F (24°C) | 9.3 in | Warmest, Wettest |
| September | 70°F (21°C) | 9.0 in | |
| October | 60°F (16°C) | 6.6 in | |
| November | 51°F (11°C) | 3.7 in | |
| December | 43°F (6°C) | 2.0 in | Driest |
Susono has a seasonal temperature swing of 38°F / from 38°F in January to 76°F in August. Total annual precipitation is 67.3 inches, with August being the wettest month (9.3") and December the driest (2.0").