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Weather & Climate in Arao, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Arao enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 41°F in January while summers reach 80°F in July. The area gets 209 sunny days per year. Annual precipitation totals 70.2 inches (wetter than the 38-inch national average). The city sits at an elevation of 92 feet.
Temperature
41°F Jan (5°C)
80°F Jul (27°C)
| Annual Average | 60.9°F |
| 13% above US avg | |
| January Average | 41°F (5°C) |
| July Average | 80°F (27°C) |
| Sunny Days | 209 days/yr |
Geography
| Elevation | 92 ft (28 m) |
| Area | 38.7 sq mi (100.2 km²) |
| Population Density | 1,387/sq mi |
| Coordinates | 32.9789°N, 130.4457°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
287 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.0.
| Apr 15, 2016 | 6 km ESE of Kumamoto, Japan | M7.0 | 36 km | 10 km |
| Mar 20, 2005 | 28 km NNW of Maebaru-ch??, Japan | M6.6 | 97 km | 10 km |
| Jun 11, 2006 | 15 km S of Tsukawaki, Japan | M6.3 | 67 km | 140 km |
| Apr 14, 2016 | 2 km SSE of Kumamoto, Japan | M6.2 | 32 km | 9 km |
| May 13, 1997 | 1 km WNW of Satsumasendai, Japan | M6.1 | 129 km | 33 km |
| Mar 26, 1997 | 16 km NE of Satsumasendai, Japan | M6.1 | 118 km | 10 km |
| Apr 14, 2016 | 5 km ENE of Uto, Japan | M6.0 | 41 km | 8 km |
| Apr 5, 2009 | 10 km N of Miyazaki, Japan | M5.8 | 141 km | 26 km |
| Apr 25, 2001 | 18 km SE of Saiki, Japan | M5.7 | 148 km | 33 km |
| Apr 15, 2016 | 6 km S of Kikuchi, Japan | M5.7 | 34 km | 10 km |
| Apr 15, 2016 | 10 km NE of Aso, Japan | M5.5 | 66 km | 13 km |
| Apr 19, 2005 | 8 km NNW of Maebaru-ch??, Japan | M5.5 | 77 km | 19 km |
| Apr 2, 1997 | 19 km W of Satsumasendai, Japan | M5.5 | 133 km | 10 km |
| May 22, 1998 | 9 km NE of Bungo-Takada-shi, Japan | M5.5 | 122 km | 81 km |
| Apr 18, 2016 | 8 km NNE of Aso, Japan | M5.5 | 61 km | 10 km |
| Jul 12, 2015 | 12 km SSW of Usuki, Japan | M5.5 | 122 km | 53 km |
| Apr 14, 2016 | 14 km ESE of Kumamoto, Japan | M5.4 | 44 km | 10 km |
| Nov 4, 2002 | Kyushu, Japan | M5.4 | 122 km | 33 km |
| Feb 12, 1994 | 4 km WSW of ?kuchi-shinohara, Japan | M5.4 | 103 km | 31 km |
| Apr 15, 2016 | 5 km WSW of Aso, Japan | M5.4 | 54 km | 4 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
64 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Shanshan | Category 3 | 109 mph | 55 km |
| 2022 | Nanmadol | Category 3 | 104 mph | 25 km |
| 2022 | Hinnamnor | Category 2 | 86 mph | 256 km |
| 2020 | Haishen | Category 2 | 98 mph | 126 km |
| 2020 | Maysak | Category 2 | 92 mph | 238 km |
| 2019 | Francisco | Category 1 | 81 mph | 17 km |
| 2018 | Trami | Category 1 | 98 mph | 223 km |
| 2018 | Prapiroon | Category 1 | 75 mph | 147 km |
| 2017 | Noru | Category 1 | 69 mph | 218 km |
| 2016 | Malakas | Category 3 | 109 mph | 183 km |
| 2016 | Chaba | Category 1 | 75 mph | 268 km |
| 2016 | Namtheun | Category 1 | 75 mph | 248 km |
| 2015 | Goni | Category 3 | 104 mph | 20 km |
| 2014 | Halong | Category 1 | 86 mph | 252 km |
| 2013 | Danas | Category 1 | 75 mph | 198 km |
| 2012 | Sanba | Category 3 | 104 mph | 238 km |
| 2012 | Damrey | Category 1 | 63 mph | 279 km |
| 2011 | Ma-on | Category 1 | 86 mph | 242 km |
| 2007 | Usagi | Category 3 | 104 mph | 98 km |
| 2007 | Man-yi | Category 2 | 86 mph | 159 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tsunami History
9 tsunamis recorded within 500 km. Highest wave on record: 55.0 m (180 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1792 | SHIMABARA BAY, KYUSHU ISLAND | Landslide | 55.0 m | 15,000 | 29 km |
| 1596 | BEPPU BAY, KYUSHU | Eruption + Earthquake | 8.0 m | 708 | 122 km |
| 1970 | SEIKAIDO | Earthquake | 0.3 m | - | 146 km |
| 1828 | AMAKUSA SEA | Earthquake | - | - | 66 km |
| 1715 | SEIKAIDO | Earthquake | - | - | 122 km |
| 1698 | SEIKAIDO-NANKAIDO | Earthquake | - | - | 122 km |
| 1619 | YATSUSHIRO, JAPAN | Earthquake | - | - | 55 km |
| 1597 | BEPPU BAY, JAPAN | Eruption + Earthquake | - | 40 | 113 km |
| 744 | SW. KYUSHU ISLAND | Earthquake | - | 1,520 | 65 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
10 volcanoes within 200 km. Closest: Unzendake (28 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Unzendake | Complex | 1,483 m (4,865 ft) | 1996 | 28 km |
| Asosan | Caldera | 1,592 m (5,223 ft) | 2020 | 62 km |
| Kujusan | Stratovolcano(es) | 1,791 m (5,876 ft) | 1996 | 76 km |
| Yufu-Tsurumi | Lava dome(s) | 1,584 m (5,197 ft) | 867 | 94 km |
| Kirishimayama | Shield | 1,700 m (5,577 ft) | 2018 | 123 km |
| Yonemaru-Sumiyoshiike | Maar(s) | 40 m (131 ft) | -6200 | 135 km |
| Fukue | Shield(s) | 315 m (1,033 ft) | -400 | 153 km |
| Aira | Caldera | 1,117 m (3,665 ft) | 2020 | 155 km |
| Ata | Caldera(s) | 924 m (3,031 ft) | 885 | 196 km |
| Abu | Shield(s) | 641 m (2,103 ft) | -6850 | 200 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 2.0 in | Coldest, Driest |
| February | 43°F (6°C) | 2.9 in | |
| March | 49°F (9°C) | 4.3 in | |
| April | 59°F (15°C) | 6.1 in | |
| May | 66°F (19°C) | 6.9 in | |
| June | 73°F (23°C) | 12.5 in | Wettest |
| July | 80°F (27°C) | 12.2 in | |
| August | 81°F (27°C) | 7.4 in | Warmest |
| September | 75°F (24°C) | 7.6 in | |
| October | 65°F (18°C) | 3.6 in | |
| November | 55°F (13°C) | 2.6 in | |
| December | 45°F (7°C) | 2.2 in |
Arao has a seasonal temperature swing of 40°F / from 41°F in January to 81°F in August. Total annual precipitation is 70.2 inches, with June being the wettest month (12.5") and January the driest (2.0").