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Aso, Japan
Full City Profile
4.1
/5.0
A
Great
27,039
Population
186/sq mi density
1,706 ft
Elevation
520 meters
54°F
Avg Temperature
12°C
A
Overall
4.1 / 5.0
Strong
B
Economy
3.2 / 5.0
$28,200 median income, 2.5% unemployment
A+
Affordability
5.0 / 5.0
$70,000 home value, $350/mo rent
Aso experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 33°F in January while summers reach 72°F in July. The area gets 174 sunny days per year. Annual precipitation totals 101.1 inches. The area receives 7.4 inches of snow annually.
Temperature
33°F Jan (1°C)
72°F Jul (22°C)
| Annual Average | 53.6°F |
| 1% below US avg | |
| January Average | 33°F (1°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 174 days/yr |
Geography
| Elevation | 1,706 ft (520 m) |
| Area | 145.3 sq mi (376.2 km²) |
| Population Density | 186/sq mi |
| Coordinates | 32.9373°N, 131.0801°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
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 | 76 km |
| 1596 | BEPPU BAY, KYUSHU | Eruption + Earthquake | 8.0 m | 708 | 70 km |
| 1769 | SW. KYUSHU ISLAND | Earthquake | 2.5 m | — | 112 km |
| 1941 | SEIKAIDO | Earthquake | 1.2 m | 2 | 142 km |
| 1939 | SEIKAIDO | Earthquake | 0.8 m | 1 | 112 km |
| 1931 | SEIKAIDO | Earthquake | 0.8 m | 1 | 126 km |
| 1996 | KYUSHU ISLAND | Earthquake | 0.6 m | — | 123 km |
| 2024 | HYUGANADA SEA | Earthquake | 0.5 m | — | 142 km |
| 1970 | SEIKAIDO | Earthquake | 0.3 m | — | 101 km |
| 1899 | SEIKAIDO | Earthquake | 0.3 m | — | 144 km |
| 2025 | HYUGANADA SEA | Earthquake | 0.2 m | — | 134 km |
| 1996 | SEA OF JAPAN | Earthquake | 0.2 m | — | 130 km |
| 1984 | KYUSHU, JAPAN | Earthquake | 0.2 m | — | 102 km |
| 1969 | RYUKYU ISLANDS | Earthquake | 0.1 m | — | 126 km |
| 1987 | KYUSHU ISLAND | Earthquake | 0.0 m | 2 | 123 km |
| 1899 | SEIKAIDO | Earthquake | — | — | 117 km |
| 1828 | AMAKUSA SEA | Earthquake | — | — | 117 km |
| 1715 | SEIKAIDO | Earthquake | — | — | 70 km |
| 1698 | SEIKAIDO-NANKAIDO | Earthquake | — | — | 70 km |
| 1619 | YATSUSHIRO, JAPAN | Earthquake | — | — | 66 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
9 volcanoes within 200 km. Closest: Asosan (6 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Asosan | Caldera | 1,592 m (5,223 ft) | 2020 | 6 km |
| Kujusan | Stratovolcano(es) | 1,791 m (5,876 ft) | 1996 | 23 km |
| Yufu-Tsurumi | Lava dome(s) | 1,584 m (5,197 ft) | 867 | 48 km |
| Unzendake | Complex | 1,483 m (4,865 ft) | 1996 | 76 km |
| Kirishimayama | Shield | 1,700 m (5,577 ft) | 2018 | 113 km |
| Yonemaru-Sumiyoshiike | Maar(s) | 40 m (131 ft) | -6200 | 138 km |
| Aira | Caldera | 1,117 m (3,665 ft) | 2020 | 155 km |
| Abu | Shield(s) | 641 m (2,103 ft) | -6850 | 180 km |
| Ata | Caldera(s) | 924 m (3,031 ft) | 885 | 197 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 33°F (1°C) | 3.1 in | Coldest |
| February | 35°F (2°C) | 4.3 in | |
| March | 41°F (5°C) | 6.3 in | |
| April | 52°F (11°C) | 8.2 in | |
| May | 59°F (15°C) | 9.8 in | |
| June | 66°F (19°C) | 17.7 in | |
| July | 72°F (22°C) | 19.7 in | Wettest |
| August | 74°F (23°C) | 11.7 in | Warmest |
| September | 68°F (20°C) | 9.2 in | |
| October | 58°F (14°C) | 5.2 in | |
| November | 48°F (9°C) | 3.5 in | |
| December | 38°F (3°C) | 2.6 in | Driest |
Aso has a seasonal temperature swing of 40°F / from 33°F in January to 74°F in August. Total annual precipitation is 101.1 inches, with July being the wettest month (19.7") and December the driest (2.6").