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Iwakuni, Japan
Full City Profile
4.1
/5.0
A
Great
129,125
Population
383/sq mi density
13 ft
Elevation
4 meters
59°F
Avg Temperature
15°C
A
Overall
4.1 / 5.0
Strong
B
Economy
3.2 / 5.0
$29,400 median income, 2.3% unemployment
A+
Affordability
5.0 / 5.0
$68,000 home value, $340/mo rent
Iwakuni enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 41°F in January while summers reach 78°F in July. The area gets 211 sunny days per year. Annual precipitation totals 69.0 inches. The area receives 0.0 inches of snow annually.
Temperature
41°F Jan (5°C)
78°F Jul (25°C)
| Annual Average | 59.2°F |
| 10% above US avg | |
| January Average | 41°F (5°C) |
| July Average | 78°F (25°C) |
| Sunny Days | 211 days/yr |
Geography
| Elevation | 13 ft (4 m) |
| Area | 337.4 sq mi (873.7 km²) |
| Population Density | 383/sq mi |
| Coordinates | 34.1630°N, 132.2200°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Tsunami History
6 tsunamis recorded within 500 km. Highest wave on record: 10.0 m (33 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1026 | OFF MASUDA, SHIMANE PREFECTURE | Earthquake | 10.0 m | 1,001 | 81 km |
| 1596 | BEPPU BAY, KYUSHU | Eruption + Earthquake | 8.0 m | 708 | 107 km |
| 1872 | SW. HONSHU ISLAND | Earthquake | 3.0 m | 804 | 84 km |
| 1715 | SEIKAIDO | Earthquake | — | — | 107 km |
| 1698 | SEIKAIDO-NANKAIDO | Earthquake | — | — | 107 km |
| 1597 | BEPPU BAY, JAPAN | Eruption + Earthquake | — | 40 | 112 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Abu (68 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Abu | Shield(s) | 641 m (2,103 ft) | -6850 | 68 km |
| Sanbesan | Stratovolcano | 1,126 m (3,694 ft) | 650 | 115 km |
| Yufu-Tsurumi | Lava dome(s) | 1,584 m (5,197 ft) | 867 | 125 km |
| Kujusan | Stratovolcano(es) | 1,791 m (5,876 ft) | 1996 | 150 km |
| Asosan | Caldera | 1,592 m (5,223 ft) | 2020 | 176 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 2.2 in | Coldest |
| February | 41°F (5°C) | 3.1 in | |
| March | 46°F (8°C) | 5.0 in | |
| April | 56°F (13°C) | 7.3 in | |
| May | 64°F (18°C) | 7.3 in | |
| June | 70°F (21°C) | 11.5 in | Wettest |
| July | 78°F (25°C) | 9.7 in | |
| August | 80°F (26°C) | 5.7 in | Warmest |
| September | 73°F (23°C) | 7.7 in | |
| October | 64°F (18°C) | 4.5 in | |
| November | 54°F (12°C) | 3.1 in | |
| December | 45°F (7°C) | 1.8 in | Driest |
Iwakuni has a seasonal temperature swing of 39°F / from 41°F in January to 80°F in August. Total annual precipitation is 69.0 inches, with June being the wettest month (11.5") and December the driest (1.8").