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Weather & Climate in Sugai, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sugai enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 40°F in January while summers reach 79°F in July. The area gets 231 sunny days per year, above the national average. Annual precipitation totals 58.0 inches (wetter than the 38-inch national average). The city sits at an elevation of 95 feet.
Temperature
40°F Jan (4°C)
79°F Jul (26°C)
| Annual Average | 59.2°F |
| 10% above US avg | |
| January Average | 40°F (4°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 231 days/yr |
Geography
| Elevation | 95 ft (29 m) |
| Area | 12.3 sq mi (31.8 km²) |
| Population Density | 2,945/sq mi |
| Coordinates | 34.7548°N, 135.7968°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
447 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.9.
| Jan 16, 1995 | 8 km S of Akashi, Japan | M6.9 | 74 km | 22 km |
| Apr 11, 1990 | 11 km ENE of Maizuru, Japan | M6.1 | 86 km | 362 km |
| Jul 7, 1995 | 62 km SSE of Toba, Japan | M6.0 | 150 km | 333 km |
| Jun 1, 1998 | 17 km SW of Owase, Japan | M5.8 | 94 km | 399 km |
| Apr 12, 2013 | 6 km WNW of Sumoto, Japan | M5.8 | 99 km | 14 km |
| Feb 26, 2025 | 38 km ESE of Shingū, Japan | M5.8 | 138 km | 388 km |
| Aug 7, 1992 | 21 km N of Miyazu, Japan | M5.8 | 123 km | 358 km |
| Aug 20, 1999 | 22 km SE of Kainan, Japan | M5.7 | 89 km | 66 km |
| Nov 18, 2013 | 25 km SE of Toba, Japan | M5.6 | 124 km | 328 km |
| Aug 1, 2007 | 42 km ESE of Owase, Japan | M5.5 | 121 km | 371 km |
| Oct 30, 2000 | western Honshu, Japan | M5.5 | 63 km | 35 km |
| Jun 17, 2018 | near the south coast of western Honshu, Japan | M5.5 | 16 km | 10 km |
| Apr 21, 2000 | 27 km NNE of Maizuru, Japan | M5.5 | 105 km | 347 km |
| Sep 24, 2003 | 5 km WNW of Ayabe, Japan | M5.4 | 83 km | 372 km |
| Jan 6, 2004 | 36 km S of Ise, Japan | M5.3 | 104 km | 33 km |
| May 9, 2022 | 7 km NE of Toba, Japan | M5.3 | 103 km | 329 km |
| Apr 22, 1998 | 18 km SE of Hikone, Japan | M5.2 | 72 km | 33 km |
| Mar 13, 2019 | 22 km ESE of Anan, Japan | M5.2 | 136 km | 37 km |
| May 28, 1994 | 12 km WNW of Nagahama, Japan | M5.1 | 79 km | 49 km |
| Apr 15, 2007 | 11 km ENE of Ueno-ebisumachi, Japan | M5.1 | 41 km | 16 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
46 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2023 | Lan | Category 2 | 81 mph | 118 km |
| 2019 | Hagibis | Category 2 | 92 mph | 250 km |
| 2018 | Jebi | Category 3 | 98 mph | 85 km |
| 2018 | Trami | Category 1 | 92 mph | 110 km |
| 2018 | Cimaron | Category 1 | 86 mph | 102 km |
| 2018 | Jongdari | Category 1 | 81 mph | 123 km |
| 2017 | Lan | Category 2 | 104 mph | 199 km |
| 2017 | Noru | Category 1 | 69 mph | 106 km |
| 2015 | Nangka | Category 1 | 81 mph | 239 km |
| 2014 | Phanfone | Category 2 | 92 mph | 126 km |
| 2012 | Jelawat | Category 1 | 92 mph | 254 km |
| 2011 | Roke | Category 3 | 98 mph | 132 km |
| 2011 | Ma-on | Category 1 | 86 mph | 169 km |
| 2009 | Melor | Category 1 | 86 mph | 112 km |
| 2008 | Sinlaku | Category 1 | 75 mph | 173 km |
| 2007 | Fitow | Category 1 | 81 mph | 276 km |
| 2005 | Mawar | Category 2 | 92 mph | 231 km |
| 2004 | Ma-on | Category 4 | 92 mph | 229 km |
| 2004 | Songda | Category 1 | 81 mph | 294 km |
| 2004 | Chaba | Category 1 | 69 mph | 185 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
20 tsunamis recorded within 500 km. Highest wave on record: 11.3 m (37 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1927 | SW. HONSHU ISLAND | Eruption + Earthquake | 11.3 m | 3,022 | 113 km |
| 1944 | OFF SOUTHEAST COAST KII PENINSULA | Earthquake | 10.0 m | 1,223 | 146 km |
| 1520 | KII, KUMANANONADA | Earthquake | 2.0 m | — | 137 km |
| 1510 | OSAKA BAY | Earthquake | 2.0 m | — | 40 km |
| 1408 | KUMANONADA | Earthquake | 2.0 m | — | 147 km |
| 1403 | KUMANONADA | Earthquake | 2.0 m | — | 134 km |
| 922 | KUMANONADA | Earthquake | 2.0 m | — | 135 km |
| 1909 | ANEGAWA, JAPAN | Earthquake | 1.8 m | 41 | 85 km |
| 1808 | E. AWA, TOKUSHIMA PREFECTURE | Earthquake | 1.5 m | — | 132 km |
| 1945 | TOKAIDO | Earthquake | 1.0 m | 2,306 | 128 km |
| 1995 | KOBE, JAPAN | Earthquake | 0.3 m | 6,434 | 69 km |
| 1791 | OASAKA BAY | Earthquake | — | — | 46 km |
| 1708 | TOKAIDO | Earthquake | — | — | 139 km |
| 1666 | AICHI PREFECTURE | Earthquake | — | — | 96 km |
| 1586 | ISE BAY | Earthquake | — | 8,000 | 96 km |
| 1498 | NANKAIDO | Earthquake | — | — | 150 km |
| 1331 | OFF TANABE, WAKAYAMA PREFECTURE | Earthquake | — | — | 130 km |
| 745 | OSAKA BAY, JAPAN | Earthquake | — | — | 49 km |
| 704 | KUMANONADA | Earthquake | — | — | 135 km |
| 701 | SEA OF JAPAN | Earthquake | — | — | 111 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Hakusan (179 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Hakusan | Stratovolcano | 2,702 m (8,865 ft) | 1659 | 179 km |
| Ontakesan | Complex | 3,067 m (10,062 ft) | 2014 | 198 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (4°C) | 1.8 in | Coldest |
| February | 40°F (5°C) | 2.4 in | |
| March | 46°F (8°C) | 4.1 in | |
| April | 56°F (13°C) | 5.6 in | |
| May | 65°F (18°C) | 5.9 in | |
| June | 72°F (22°C) | 8.9 in | Wettest |
| July | 79°F (26°C) | 7.6 in | |
| August | 81°F (27°C) | 5.3 in | Warmest |
| September | 73°F (23°C) | 7.6 in | |
| October | 63°F (17°C) | 4.7 in | |
| November | 53°F (12°C) | 2.8 in | |
| December | 44°F (7°C) | 1.4 in | Driest |
Sugai has a seasonal temperature swing of 41°F / from 40°F in January to 81°F in August. Total annual precipitation is 58.0 inches, with June being the wettest month (8.9") and December the driest (1.4").