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Weather & Climate in Kawahara, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Kawahara enjoys a temperate climate with an average annual temperature of 56°F (14°C). Winters average 37°F in January while summers reach 75°F in July. The area gets 182 sunny days per year. Annual precipitation totals 95.0 inches (wetter than the 38-inch national average). The city sits at an elevation of 938 feet.
Temperature
37°F Jan (3°C)
75°F Jul (24°C)
| Annual Average | 56.4°F |
| 4% above US avg | |
| January Average | 37°F (3°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 182 days/yr |
Geography
| Elevation | 938 ft (286 m) |
| Area | 28.7 sq mi (74.2 km²) |
| Population Density | 224/sq mi |
| Coordinates | 32.8067°N, 130.8975°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
473 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.1.
| Aug 8, 2024 | 2024 Hyuganada Sea, Japan Earthquake | M7.1 | 130 km | 24 km |
| Apr 15, 2016 | 6 km ESE of Kumamoto, Japan | M7.0 | 14 km | 10 km |
| Jan 13, 2025 | 15 km SE of Miyazaki, Japan | M6.8 | 125 km | 39 km |
| Oct 19, 1996 | 5 km SE of Miyazaki, Japan | M6.7 | 116 km | 22 km |
| Dec 2, 1996 | 17 km SW of Miyazaki, Japan | M6.7 | 120 km | 49 km |
| Mar 20, 2005 | 28 km NNW of Maebaru-ch??, Japan | M6.6 | 132 km | 10 km |
| Jun 11, 2006 | 15 km S of Tsukawaki, Japan | M6.3 | 43 km | 140 km |
| Jan 21, 2022 | 27 km SSE of Saiki, Japan | M6.3 | 107 km | 39 km |
| Apr 17, 2024 | 18 km W of Uwajima, Japan | M6.3 | 145 km | 32 km |
| Mar 13, 2014 | 32 km SSW of Hikari, Japan | M6.3 | 130 km | 79 km |
| May 9, 2019 | 43 km ESE of Miyazaki, Japan | M6.2 | 145 km | 22 km |
| Apr 14, 2016 | 2 km SSE of Kumamoto, Japan | M6.2 | 18 km | 9 km |
| May 13, 1997 | 1 km WNW of Satsumasendai, Japan | M6.1 | 124 km | 33 km |
| Mar 26, 1997 | 16 km NE of Satsumasendai, Japan | M6.1 | 108 km | 10 km |
| Apr 14, 2016 | 5 km ENE of Uto, Japan | M6.0 | 21 km | 8 km |
| Aug 28, 2014 | 53 km E of Takanabe, Japan | M5.8 | 136 km | 20 km |
| Apr 5, 2009 | 10 km N of Miyazaki, Japan | M5.8 | 101 km | 26 km |
| Apr 25, 2001 | 18 km SE of Saiki, Japan | M5.7 | 105 km | 33 km |
| Apr 15, 2016 | 6 km S of Kikuchi, Japan | M5.7 | 15 km | 10 km |
| Oct 19, 1996 | 19 km ENE of Miyazaki, Japan | M5.7 | 116 km | 33 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
63 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 | 66 km |
| 2022 | Nanmadol | Category 3 | 104 mph | 52 km |
| 2020 | Haishen | Category 3 | 104 mph | 169 km |
| 2020 | Maysak | Category 1 | 92 mph | 283 km |
| 2019 | Francisco | Category 1 | 81 mph | 30 km |
| 2018 | Jebi | Category 3 | 98 mph | 276 km |
| 2018 | Trami | Category 1 | 98 mph | 183 km |
| 2018 | Prapiroon | Category 1 | 75 mph | 193 km |
| 2017 | Noru | Category 1 | 69 mph | 173 km |
| 2016 | Malakas | Category 3 | 109 mph | 146 km |
| 2016 | Namtheun | Category 1 | 75 mph | 242 km |
| 2015 | Goni | Category 3 | 104 mph | 47 km |
| 2014 | Phanfone | Category 2 | 98 mph | 275 km |
| 2014 | Halong | Category 1 | 86 mph | 207 km |
| 2013 | Danas | Category 1 | 69 mph | 244 km |
| 2012 | Sanba | Category 3 | 104 mph | 282 km |
| 2012 | Damrey | Category 1 | 63 mph | 290 km |
| 2011 | Ma-on | Category 1 | 86 mph | 196 km |
| 2007 | Usagi | Category 3 | 104 mph | 60 km |
| 2007 | Man-yi | Category 2 | 86 mph | 124 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
20 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 | 56 km |
| 1596 | BEPPU BAY, KYUSHU | Eruption + Earthquake | 8.0 m | 708 | 93 km |
| 1780 | SW. KYUSHU ISLAND | Astronomical | 6.0 m | — | 136 km |
| 1914 | SEIKAIDO | Eruption | 3.0 m | 63 | 138 km |
| 1769 | SW. KYUSHU ISLAND | Earthquake | 2.5 m | — | 118 km |
| 1941 | SEIKAIDO | Earthquake | 1.2 m | 2 | 144 km |
| 1939 | SEIKAIDO | Earthquake | 0.8 m | 1 | 118 km |
| 1931 | SEIKAIDO | Earthquake | 0.8 m | 1 | 131 km |
| 1996 | KYUSHU ISLAND | Earthquake | 0.6 m | — | 116 km |
| 2024 | HYUGANADA SEA | Earthquake | 0.5 m | — | 135 km |
| 1970 | SEIKAIDO | Earthquake | 0.3 m | — | 101 km |
| 1899 | SEIKAIDO | Earthquake | 0.3 m | — | 145 km |
| 2025 | HYUGANADA SEA | Earthquake | 0.2 m | — | 128 km |
| 1996 | SEA OF JAPAN | Earthquake | 0.2 m | — | 120 km |
| 1984 | KYUSHU, JAPAN | Earthquake | 0.2 m | — | 109 km |
| 1969 | RYUKYU ISLANDS | Earthquake | 0.1 m | — | 131 km |
| 1987 | KYUSHU ISLAND | Earthquake | 0.0 m | 2 | 123 km |
| 1899 | SEIKAIDO | Earthquake | — | — | 132 km |
| 1828 | AMAKUSA SEA | Earthquake | — | — | 96 km |
| 1781 | SW. KYUSHU ISLAND | Astronomical | — | 38 | 138 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
10 volcanoes within 200 km. Closest: Asosan (21 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Asosan | Caldera | 1,592 m (5,223 ft) | 2020 | 21 km |
| Kujusan | Stratovolcano(es) | 1,791 m (5,876 ft) | 1996 | 45 km |
| Unzendake | Complex | 1,483 m (4,865 ft) | 1996 | 56 km |
| Yufu-Tsurumi | Lava dome(s) | 1,584 m (5,197 ft) | 867 | 70 km |
| Kirishimayama | Shield | 1,700 m (5,577 ft) | 2018 | 97 km |
| Yonemaru-Sumiyoshiike | Maar(s) | 40 m (131 ft) | -6200 | 119 km |
| Aira | Caldera | 1,117 m (3,665 ft) | 2020 | 137 km |
| Ata | Caldera(s) | 924 m (3,031 ft) | 885 | 179 km |
| Fukue | Shield(s) | 315 m (1,033 ft) | -400 | 192 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 | 37°F (3°C) | 3.0 in | Coldest |
| February | 38°F (3°C) | 4.0 in | |
| March | 44°F (7°C) | 6.1 in | |
| April | 54°F (12°C) | 7.8 in | |
| May | 62°F (17°C) | 9.4 in | |
| June | 68°F (20°C) | 17.3 in | |
| July | 75°F (24°C) | 18.4 in | Wettest |
| August | 76°F (25°C) | 10.2 in | Warmest |
| September | 70°F (21°C) | 8.5 in | |
| October | 61°F (16°C) | 4.7 in | |
| November | 51°F (10°C) | 3.3 in | |
| December | 41°F (5°C) | 2.4 in | Driest |
Kawahara has a seasonal temperature swing of 40°F / from 37°F in January to 76°F in August. Total annual precipitation is 95.0 inches, with July being the wettest month (18.4") and December the driest (2.4").