All Countries
Weather & Climate in Okushiri, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Okushiri experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 27°F in January while summers reach 68°F in July. The area gets 248 sunny days per year, above the national average. Annual precipitation totals 48.4 inches (wetter than the 38-inch national average). The area receives 13.1 inches of snow annually. The city sits at an elevation of 62 feet.
Temperature
27°F Jan (-3°C)
68°F Jul (20°C)
| Annual Average | 48.4°F |
| 10% below US avg | |
| January Average | 27°F (-3°C) |
| July Average | 68°F (20°C) |
| Sunny Days | 248 days/yr |
Geography
| Elevation | 62 ft (19 m) |
| Area | 987.3 sq mi (2,557.2 km²) |
| Population Density | 2/sq mi |
| Coordinates | 42.1721°N, 139.5123°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
431 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.7.
| Jul 12, 1993 | 107 km W of Iwanai, Japan | M7.7 | 80 km | 17 km |
| Aug 7, 1993 | 69 km WNW of Kamiiso, Japan | M6.5 | 34 km | 14 km |
| Dec 22, 1996 | 131 km W of Iwanai, Japan | M6.5 | 125 km | 227 km |
| Jul 12, 1993 | 109 km W of Iwanai, Japan | M6.3 | 109 km | 33 km |
| Aug 24, 1992 | 9 km NNW of Honch?, Japan | M6.2 | 97 km | 121 km |
| Jul 12, 1993 | 101 km W of Iwanai, Japan | M6.0 | 75 km | 29 km |
| Jun 4, 2008 | 135 km WSW of Kamiiso, Japan | M5.7 | 80 km | 205 km |
| Jul 12, 1993 | 125 km WNW of Kamiiso, Japan | M5.6 | 30 km | 33 km |
| Oct 9, 1997 | 149 km W of Kamiiso, Japan | M5.5 | 58 km | 33 km |
| Sep 19, 1993 | 111 km W of Iwanai, Japan | M5.5 | 108 km | 19 km |
| Jul 12, 1993 | 88 km W of Iwanai, Japan | M5.4 | 91 km | 33 km |
| Jul 15, 1993 | 95 km WNW of Iwanai, Japan | M5.3 | 122 km | 22 km |
| Jul 15, 1993 | 126 km WSW of Iwanai, Japan | M5.3 | 69 km | 20 km |
| Aug 24, 2009 | 34 km NW of Shimokizukuri, Japan | M5.3 | 137 km | 176 km |
| Oct 30, 1996 | 161 km W of Kamiiso, Japan | M5.3 | 83 km | 222 km |
| Jul 16, 1993 | 94 km WNW of Iwanai, Japan | M5.3 | 123 km | 25 km |
| Nov 22, 2013 | 232 km WNW of Shimokizukuri, Japan | M5.3 | 150 km | 19 km |
| Jul 12, 1993 | 103 km WSW of Iwanai, Japan | M5.2 | 43 km | 27 km |
| Jul 13, 1993 | 138 km WSW of Iwanai, Japan | M5.2 | 39 km | 22 km |
| Jul 12, 1993 | 97 km W of Iwanai, Japan | M5.2 | 96 km | 33 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
3 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.
| Year | Name | Category | Max Wind | Closest |
| 2002 | Higos | Category 1 | 69 mph | 244 km |
| 1998 | Vicki | Category 1 | 58 mph | 284 km |
| 1995 | Ryan | Category 1 | 40 mph | 289 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
6 tsunamis recorded within 500 km. Highest wave on record: 90.0 m (295 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1741 | W. HOKKAIDO ISLAND | Explosion | 90.0 m | 2,000 | 76 km |
| 1993 | SEA OF JAPAN | Earthquake | 32.0 m | 231 | 80 km |
| 1640 | SE. HOKKAIDO ISLAND | Explosion | 8.0 m | 700 | 97 km |
| 1983 | N. HONSHU ISLAND | Earthquake | 1.0 m | — | 98 km |
| 1993 | JAPAN | Earthquake | 0.2 m | — | 34 km |
| 1341 | JUSANKO, TSUGARU AOMORI PREFECTURE | Earthquake | — | 2,600 | 130 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
10 volcanoes within 200 km. Closest: Oshima-Oshima (75 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Oshima-Oshima | Stratovolcano | 732 m (2,402 ft) | 1790 | 75 km |
| Hokkaido-Komagatake | Stratovolcano | 1,131 m (3,711 ft) | 2000 | 97 km |
| Toya | Stratovolcano | 733 m (2,405 ft) | 2001 | 117 km |
| Niseko | Stratovolcano(es) | 1,308 m (4,291 ft) | -4900 | 122 km |
| Yoteizan | Stratovolcano | 1,888 m (6,194 ft) | -1050 | 129 km |
| Kuttara | Stratovolcano(es) | 549 m (1,801 ft) | 1820 | 140 km |
| Esan | Lava dome(s) | 618 m (2,028 ft) | 1874 | 143 km |
| Shikotsu | Caldera | 1,320 m (4,331 ft) | 1979 | 164 km |
| Osorezan | Stratovolcano | 878 m (2,881 ft) | 1787 | 166 km |
| Iwakisan | Stratovolcano | 1,625 m (5,331 ft) | 1863 | 181 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 27°F (-3°C) | 3.7 in | Coldest |
| February | 28°F (-2°C) | 3.0 in | |
| March | 34°F (1°C) | 2.8 in | Driest |
| April | 45°F (7°C) | 3.3 in | |
| May | 52°F (11°C) | 3.6 in | |
| June | 59°F (15°C) | 3.7 in | |
| July | 68°F (20°C) | 5.2 in | |
| August | 72°F (22°C) | 5.1 in | Warmest |
| September | 66°F (19°C) | 6.0 in | Wettest |
| October | 55°F (13°C) | 4.4 in | |
| November | 42°F (6°C) | 4.1 in | |
| December | 33°F (0°C) | 3.5 in |
Okushiri has a seasonal temperature swing of 45°F / from 27°F in January to 72°F in August. Total annual precipitation is 48.3 inches, with September being the wettest month (6.0") and March the driest (2.8").