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Weather & Climate in Ubuyama, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ubuyama experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 34°F in January while summers reach 73°F in July. The area gets 176 sunny days per year. Annual precipitation totals 97.8 inches (wetter than the 38-inch national average). The area receives 6.9 inches of snow annually. The city sits at an elevation of 1,962 feet.
Temperature
34°F Jan (1°C)
73°F Jul (23°C)
| Annual Average | 53.7°F |
| 1% below US avg | |
| January Average | 34°F (1°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 176 days/yr |
Geography
| Elevation | 1,962 ft (598 m) |
| Area | 184.4 sq mi (477.6 km²) |
| Population Density | 8/sq mi |
| Coordinates | 32.9996°N, 131.2394°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
472 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.1.
| Aug 8, 2024 | 2024 Hyuganada Sea, Japan Earthquake | M7.1 | 140 km | 24 km |
| Apr 15, 2016 | 6 km ESE of Kumamoto, Japan | M7.0 | 51 km | 10 km |
| Jan 13, 2025 | 15 km SE of Miyazaki, Japan | M6.8 | 133 km | 39 km |
| Dec 2, 1996 | 17 km SW of Miyazaki, Japan | M6.7 | 135 km | 49 km |
| Oct 19, 1996 | 5 km SE of Miyazaki, Japan | M6.7 | 126 km | 22 km |
| Mar 20, 2005 | 28 km NNW of Maebaru-ch??, Japan | M6.6 | 137 km | 10 km |
| Jun 11, 2006 | 15 km S of Tsukawaki, Japan | M6.3 | 17 km | 140 km |
| Apr 17, 2024 | 18 km W of Uwajima, Japan | M6.3 | 108 km | 32 km |
| Mar 13, 2014 | 32 km SSW of Hikari, Japan | M6.3 | 94 km | 79 km |
| Jan 21, 2022 | 27 km SSE of Saiki, Japan | M6.3 | 81 km | 39 km |
| May 9, 2019 | 43 km ESE of Miyazaki, Japan | M6.2 | 148 km | 22 km |
| Apr 14, 2016 | 2 km SSE of Kumamoto, Japan | M6.2 | 55 km | 9 km |
| Mar 26, 1997 | 16 km NE of Satsumasendai, Japan | M6.1 | 142 km | 10 km |
| Apr 14, 2016 | 5 km ENE of Uto, Japan | M6.0 | 59 km | 8 km |
| Apr 5, 2009 | 10 km N of Miyazaki, Japan | M5.8 | 112 km | 26 km |
| Aug 28, 2014 | 53 km E of Takanabe, Japan | M5.8 | 128 km | 20 km |
| Apr 25, 2001 | 18 km SE of Saiki, Japan | M5.7 | 76 km | 33 km |
| Apr 15, 2016 | 6 km S of Kikuchi, Japan | M5.7 | 41 km | 10 km |
| Oct 19, 1996 | 19 km ENE of Miyazaki, Japan | M5.7 | 121 km | 33 km |
| May 9, 2019 | 46 km ESE of Miyazaki, Japan | M5.6 | 147 km | 22 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
60 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 | 104 km |
| 2022 | Nanmadol | Category 3 | 104 mph | 81 km |
| 2020 | Haishen | Category 2 | 98 mph | 200 km |
| 2019 | Francisco | Category 1 | 81 mph | 61 km |
| 2018 | Jebi | Category 3 | 98 mph | 249 km |
| 2018 | Trami | Category 1 | 98 mph | 182 km |
| 2018 | Cimaron | Category 1 | 92 mph | 297 km |
| 2018 | Prapiroon | Category 1 | 69 mph | 209 km |
| 2017 | Noru | Category 1 | 69 mph | 162 km |
| 2016 | Malakas | Category 3 | 109 mph | 140 km |
| 2016 | Namtheun | Category 1 | 75 mph | 275 km |
| 2015 | Goni | Category 3 | 104 mph | 82 km |
| 2015 | Nangka | Category 1 | 81 mph | 285 km |
| 2014 | Phanfone | Category 2 | 98 mph | 263 km |
| 2014 | Halong | Category 1 | 86 mph | 180 km |
| 2013 | Danas | Category 1 | 69 mph | 266 km |
| 2011 | Ma-on | Category 1 | 86 mph | 174 km |
| 2008 | Sinlaku | Category 1 | 75 mph | 273 km |
| 2007 | Usagi | Category 3 | 104 mph | 24 km |
| 2007 | Man-yi | Category 2 | 86 mph | 114 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 | 92 km |
| 1596 | BEPPU BAY, KYUSHU | Eruption + Earthquake | 8.0 m | 708 | 54 km |
| 1968 | SEIKAIDO | Earthquake | 3.1 m | 1 | 141 km |
| 1769 | SW. KYUSHU ISLAND | Earthquake | 2.5 m | — | 106 km |
| 1941 | SEIKAIDO | Earthquake | 1.2 m | 2 | 137 km |
| 1939 | SEIKAIDO | Earthquake | 0.8 m | 1 | 106 km |
| 1931 | SEIKAIDO | Earthquake | 0.8 m | 1 | 120 km |
| 1996 | KYUSHU ISLAND | Earthquake | 0.6 m | — | 126 km |
| 2024 | HYUGANADA SEA | Earthquake | 0.5 m | — | 145 km |
| 1970 | SEIKAIDO | Earthquake | 0.3 m | — | 99 km |
| 1899 | SEIKAIDO | Earthquake | 0.3 m | — | 142 km |
| 2025 | HYUGANADA SEA | Earthquake | 0.2 m | — | 136 km |
| 1996 | SEA OF JAPAN | Earthquake | 0.2 m | — | 135 km |
| 1984 | KYUSHU, JAPAN | Earthquake | 0.2 m | — | 95 km |
| 1969 | RYUKYU ISLANDS | Earthquake | 0.1 m | — | 120 km |
| 1987 | KYUSHU ISLAND | Earthquake | 0.0 m | 2 | 121 km |
| 1899 | SEIKAIDO | Earthquake | — | — | 105 km |
| 1828 | AMAKUSA SEA | Earthquake | — | — | 133 km |
| 1715 | SEIKAIDO | Earthquake | — | — | 54 km |
| 1698 | SEIKAIDO-NANKAIDO | Earthquake | — | — | 54 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
8 volcanoes within 200 km. Closest: Kujusan (10 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Kujusan | Stratovolcano(es) | 1,791 m (5,876 ft) | 1996 | 10 km |
| Asosan | Caldera | 1,592 m (5,223 ft) | 2020 | 18 km |
| Yufu-Tsurumi | Lava dome(s) | 1,584 m (5,197 ft) | 867 | 34 km |
| Unzendake | Complex | 1,483 m (4,865 ft) | 1996 | 92 km |
| Kirishimayama | Shield | 1,700 m (5,577 ft) | 2018 | 124 km |
| Yonemaru-Sumiyoshiike | Maar(s) | 40 m (131 ft) | -6200 | 150 km |
| Aira | Caldera | 1,117 m (3,665 ft) | 2020 | 166 km |
| Abu | Shield(s) | 641 m (2,103 ft) | -6850 | 170 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 34°F (1°C) | 2.7 in | Coldest |
| February | 35°F (2°C) | 4.1 in | |
| March | 41°F (5°C) | 5.9 in | |
| April | 52°F (11°C) | 8.0 in | |
| May | 59°F (15°C) | 9.5 in | |
| June | 66°F (19°C) | 16.8 in | |
| July | 73°F (23°C) | 18.3 in | Wettest |
| August | 74°F (23°C) | 11.8 in | Warmest |
| September | 68°F (20°C) | 9.6 in | |
| October | 58°F (14°C) | 5.3 in | |
| November | 48°F (9°C) | 3.4 in | |
| December | 38°F (4°C) | 2.4 in | Driest |
Ubuyama has a seasonal temperature swing of 40°F / from 34°F in January to 74°F in August. Total annual precipitation is 97.8 inches, with July being the wettest month (18.3") and December the driest (2.4").