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Weather & Climate in Susaki, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Susaki enjoys a temperate climate with an average annual temperature of 60°F (15°C). Winters average 41°F in January while summers reach 77°F in July. The area gets 181 sunny days per year. Annual precipitation totals 86.3 inches (wetter than the 38-inch national average). The city sits at an elevation of 20 feet.
Temperature
41°F Jan (5°C)
77°F Jul (25°C)
| Annual Average | 59.6°F |
| 10% above US avg | |
| January Average | 41°F (5°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 181 days/yr |
Geography
| Elevation | 20 ft (6 m) |
| Area | 447.0 sq mi (1,157.6 km²) |
| Population Density | 59/sq mi |
| Coordinates | 33.3947°N, 133.2913°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
165 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.8.
| Mar 24, 2001 | 16 km SSW of Kure, Japan | M6.8 | 104 km | 50 km |
| Jan 21, 2022 | 27 km SSE of Saiki, Japan | M6.3 | 138 km | 39 km |
| Mar 13, 2014 | 32 km SSW of Hikari, Japan | M6.3 | 140 km | 79 km |
| Apr 17, 2024 | 18 km W of Uwajima, Japan | M6.3 | 88 km | 32 km |
| Apr 25, 2001 | 18 km SE of Saiki, Japan | M5.7 | 134 km | 33 km |
| Jul 12, 2015 | 12 km SSW of Usuki, Japan | M5.5 | 149 km | 53 km |
| Mar 27, 2006 | 45 km SSE of Saiki, Japan | M5.5 | 138 km | 35 km |
| Mar 2, 2017 | 39 km SSE of Saiki, Japan | M5.3 | 140 km | 44 km |
| Jul 17, 2021 | 29 km NE of Kitsuki, Japan | M5.2 | 138 km | 64 km |
| Mar 25, 2001 | 22 km WNW of H?j?, Japan | M5.2 | 98 km | 43 km |
| Apr 2, 1997 | 34 km WSW of ?zu, Japan | M5.1 | 99 km | 46 km |
| Apr 26, 2007 | 15 km ESE of Niihama, Japan | M5.1 | 58 km | 50 km |
| Aug 14, 1993 | 19 km SW of ?zu, Japan | M5.0 | 82 km | 41 km |
| Jan 3, 1991 | 22 km W of ?zu, Japan | M5.0 | 92 km | 63 km |
| Feb 18, 2018 | 27 km SE of Saiki, Japan | M5.0 | 126 km | 42 km |
| Jun 20, 2017 | 15 km SE of Saiki, Japan | M5.0 | 131 km | 37 km |
| Mar 8, 2020 | 28 km NE of Usuki, Japan | M4.9 | 121 km | 58 km |
| Jul 1, 2016 | 17 km NE of Kitsuki, Japan | M4.9 | 143 km | 79 km |
| Feb 26, 2024 | 18 km N of Yawatahama, Japan | M4.9 | 86 km | 42 km |
| Aug 15, 2016 | 26 km ENE of Kitsuki, Japan | M4.9 | 130 km | 72 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
57 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Shanshan | Category 1 | 86 mph | 296 km |
| 2023 | Lan | Category 1 | 69 mph | 226 km |
| 2022 | Nanmadol | Category 2 | 104 mph | 251 km |
| 2020 | Chan-hom | Category 1 | 75 mph | 293 km |
| 2019 | Francisco | Category 1 | 81 mph | 220 km |
| 2018 | Jebi | Category 3 | 98 mph | 94 km |
| 2018 | Trami | Category 1 | 98 mph | 105 km |
| 2018 | Cimaron | Category 1 | 92 mph | 126 km |
| 2017 | Noru | Category 1 | 69 mph | 61 km |
| 2016 | Malakas | Category 2 | 86 mph | 69 km |
| 2015 | Goni | Category 3 | 98 mph | 264 km |
| 2015 | Nangka | Category 1 | 86 mph | 104 km |
| 2014 | Phanfone | Category 2 | 98 mph | 163 km |
| 2014 | Halong | Category 1 | 86 mph | 44 km |
| 2012 | Jelawat | Category 1 | 92 mph | 174 km |
| 2011 | Roke | Category 4 | 98 mph | 218 km |
| 2011 | Ma-on | Category 1 | 86 mph | 58 km |
| 2009 | Melor | Category 1 | 92 mph | 229 km |
| 2008 | Sinlaku | Category 1 | 75 mph | 125 km |
| 2007 | Usagi | Category 3 | 98 mph | 172 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
8 tsunamis recorded within 500 km. Highest wave on record: 25.7 m (84 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1707 | NANKAIDO | Earthquake | 25.7 m | 5,000 | 142 km |
| 1596 | BEPPU BAY, KYUSHU | Eruption + Earthquake | 8.0 m | 708 | 148 km |
| 1968 | SEIKAIDO | Earthquake | 3.1 m | 1 | 142 km |
| 684 | NANKAIDO | Earthquake | 3.0 m | — | 120 km |
| 1711 | SEIONAIKAI, JAPAN | Earthquake | 2.0 m | 1,000 | 120 km |
| 1899 | SEIKAIDO | Earthquake | — | — | 120 km |
| 1715 | SEIKAIDO | Earthquake | — | — | 148 km |
| 1698 | SEIKAIDO-NANKAIDO | Earthquake | — | — | 148 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
3 volcanoes within 200 km. Closest: Yufu-Tsurumi (177 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Yufu-Tsurumi | Lava dome(s) | 1,584 m (5,197 ft) | 867 | 177 km |
| Kujusan | Stratovolcano(es) | 1,791 m (5,876 ft) | 1996 | 193 km |
| Abu | Shield(s) | 641 m (2,103 ft) | -6850 | 199 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 2.1 in | Coldest, Driest |
| February | 42°F (6°C) | 3.8 in | |
| March | 48°F (9°C) | 5.9 in | |
| April | 58°F (14°C) | 9.1 in | |
| May | 64°F (18°C) | 10.1 in | |
| June | 71°F (21°C) | 13.4 in | Wettest |
| July | 77°F (25°C) | 13.1 in | |
| August | 79°F (26°C) | 3.7 in | Warmest |
| September | 73°F (23°C) | 11.6 in | |
| October | 64°F (18°C) | 7.0 in | |
| November | 54°F (12°C) | 4.0 in | |
| December | 45°F (7°C) | 2.5 in |
Susaki has a seasonal temperature swing of 38°F / from 41°F in January to 79°F in August. Total annual precipitation is 86.3 inches, with June being the wettest month (13.4") and January the driest (2.1").