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Weather & Climate in Susami, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Susami enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 41°F in January while summers reach 76°F in July. The area gets 174 sunny days per year. Annual precipitation totals 89.8 inches (wetter than the 38-inch national average). The city sits at an elevation of 430 feet.
Temperature
41°F Jan (5°C)
76°F Jul (24°C)
| Annual Average | 59.0°F |
| 9% above US avg | |
| January Average | 41°F (5°C) |
| July Average | 76°F (24°C) |
| Sunny Days | 174 days/yr |
Geography
| Elevation | 430 ft (131 m) |
| Area | 30.4 sq mi (78.7 km²) |
| Population Density | 121/sq mi |
| Coordinates | 33.5500°N, 135.5000°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
409 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.2.
| Sep 5, 2004 | 94 km SE of Shing?, Japan | M7.2 | 117 km | 14 km |
| Jan 16, 1995 | 8 km S of Akashi, Japan | M6.9 | 123 km | 22 km |
| Apr 1, 2016 | 54 km SE of Shing?, Japan | M5.9 | 85 km | 14 km |
| Jun 1, 1998 | 17 km SW of Owase, Japan | M5.8 | 70 km | 399 km |
| Feb 26, 2025 | 38 km ESE of Shingū, Japan | M5.8 | 80 km | 388 km |
| Apr 12, 2013 | 6 km WNW of Sumoto, Japan | M5.8 | 110 km | 14 km |
| Aug 20, 1999 | 22 km SE of Kainan, Japan | M5.7 | 53 km | 66 km |
| Sep 5, 2004 | 93 km SE of Shing?, Japan | M5.7 | 126 km | 10 km |
| Sep 10, 2004 | 88 km SSE of Shing?, Japan | M5.6 | 108 km | 10 km |
| Oct 30, 2000 | western Honshu, Japan | M5.5 | 106 km | 35 km |
| Aug 1, 2007 | 42 km ESE of Owase, Japan | M5.5 | 110 km | 371 km |
| Jun 17, 2018 | near the south coast of western Honshu, Japan | M5.5 | 142 km | 10 km |
| Apr 23, 2001 | 98 km SE of Shing?, Japan | M5.4 | 119 km | 417 km |
| Jan 6, 2004 | 36 km S of Ise, Japan | M5.3 | 127 km | 33 km |
| Mar 13, 2019 | 22 km ESE of Anan, Japan | M5.2 | 66 km | 37 km |
| Oct 20, 1991 | 45 km SSW of Tanabe, Japan | M5.1 | 33 km | 41 km |
| Jun 10, 2009 | 7 km WSW of Ise, Japan | M5.1 | 145 km | 352 km |
| Apr 14, 2000 | 10 km SSW of Tanabe, Japan | M5.1 | 21 km | 35 km |
| Sep 5, 2004 | 63 km SE of Shing?, Japan | M5.1 | 89 km | 10 km |
| Jul 5, 2003 | 122 km S of Shing?, Japan | M5.1 | 112 km | 33 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
56 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Nakri | Category 1 | - | 226 km |
| 2023 | Lan | Category 2 | 81 mph | 25 km |
| 2019 | Hagibis | Category 3 | 98 mph | 221 km |
| 2018 | Jebi | Category 3 | 98 mph | 88 km |
| 2018 | Trami | Category 1 | 92 mph | 28 km |
| 2018 | Cimaron | Category 1 | 92 mph | 85 km |
| 2018 | Jongdari | Category 1 | 81 mph | 181 km |
| 2017 | Lan | Category 3 | 109 mph | 159 km |
| 2017 | Noru | Category 1 | 69 mph | 62 km |
| 2016 | Malakas | Category 1 | 86 mph | 204 km |
| 2015 | Nangka | Category 1 | 86 mph | 127 km |
| 2014 | Phanfone | Category 2 | 92 mph | 62 km |
| 2014 | Halong | Category 1 | 86 mph | 214 km |
| 2013 | Wipha | Category 1 | 81 mph | 287 km |
| 2012 | Jelawat | Category 1 | 92 mph | 120 km |
| 2011 | Roke | Category 4 | 98 mph | 77 km |
| 2011 | Ma-on | Category 1 | 86 mph | 84 km |
| 2010 | Chaba | Category 1 | 75 mph | 249 km |
| 2009 | Melor | Category 1 | 92 mph | 95 km |
| 2008 | Sinlaku | Category 1 | 75 mph | 57 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tsunami History
20 tsunamis recorded within 500 km. Highest wave on record: 28.0 m (92 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1854 | NANKAIDO | Earthquake | 28.0 m | 3,000 | 68 km |
| 1707 | NANKAIDO | Earthquake | 25.7 m | 5,000 | 76 km |
| 1605 | NANKAIDO | Earthquake | 10.0 m | 5,000 | 83 km |
| 1946 | HONSHU: S COAST | Earthquake | 6.6 m | 1,362 | 61 km |
| 1520 | KII, KUMANANONADA | Earthquake | 2.0 m | - | 74 km |
| 1510 | OSAKA BAY | Earthquake | 2.0 m | - | 117 km |
| 1408 | KUMANONADA | Earthquake | 2.0 m | - | 133 km |
| 1403 | KUMANONADA | Earthquake | 2.0 m | - | 94 km |
| 922 | KUMANONADA | Earthquake | 2.0 m | - | 115 km |
| 1808 | E. AWA, TOKUSHIMA PREFECTURE | Earthquake | 1.5 m | - | 76 km |
| 2004 | SOUTH COAST HONSHU ISLAND | Earthquake | 0.6 m | - | 117 km |
| 1948 | TOKAIDO | Earthquake | 0.6 m | - | 51 km |
| 1995 | KOBE, JAPAN | Earthquake | 0.3 m | 6,434 | 122 km |
| 1791 | OASAKA BAY | Earthquake | - | - | 106 km |
| 1708 | TOKAIDO | Earthquake | - | - | 147 km |
| 1498 | NANKAIDO | Earthquake | - | - | 28 km |
| 1361 | NANKAIDO | Earthquake | - | 660 | 77 km |
| 1360 | KUMANONADA | Earthquake | - | - | 67 km |
| 1331 | OFF TANABE, WAKAYAMA PREFECTURE | Earthquake | - | - | 32 km |
| 1099 | NANKAIDO | Earthquake | - | - | 61 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 3.0 in | Coldest |
| February | 42°F (5°C) | 3.6 in | |
| March | 47°F (8°C) | 5.8 in | |
| April | 57°F (14°C) | 8.4 in | |
| May | 64°F (18°C) | 9.1 in | |
| June | 69°F (21°C) | 13.3 in | Wettest |
| July | 76°F (24°C) | 9.9 in | |
| August | 78°F (25°C) | 9.2 in | Warmest |
| September | 73°F (23°C) | 12.0 in | |
| October | 63°F (17°C) | 7.6 in | |
| November | 54°F (12°C) | 5.6 in | |
| December | 45°F (7°C) | 2.6 in | Driest |
Susami has a seasonal temperature swing of 37°F / from 41°F in January to 78°F in August. Total annual precipitation is 89.8 inches, with June being the wettest month (13.3") and December the driest (2.6").