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Weather & Climate in Rusutsu, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Rusutsu has a cool climate with an average annual temperature of 42°F (5°C). Winters average 19°F in January while summers reach 64°F in July. The area gets 235 sunny days per year, above the national average. Annual precipitation totals 55.5 inches (wetter than the 38-inch national average). The area receives 23.0 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 1,201 feet.
Temperature
19°F Jan (-8°C)
64°F Jul (18°C)
| Annual Average | 41.8°F |
| 23% below US avg | |
| January Average | 19°F (-8°C) |
| July Average | 64°F (18°C) |
| Sunny Days | 235 days/yr |
Geography
| Elevation | 1,201 ft (366 m) |
| Area | 46.3 sq mi (119.8 km²) |
| Population Density | 42/sq mi |
| Coordinates | 42.7342°N, 140.8728°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
632 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 | 137 km | 17 km |
| Aug 7, 1993 | 69 km WNW of Kamiiso, Japan | M6.5 | 119 km | 14 km |
| Jul 12, 1993 | 109 km W of Iwanai, Japan | M6.3 | 144 km | 33 km |
| Aug 24, 1992 | 9 km NNW of Honch?, Japan | M6.2 | 86 km | 121 km |
| Jun 11, 2023 | 20 km WSW of Biratori, Japan | M6.2 | 87 km | 121 km |
| Jul 12, 1993 | 101 km W of Iwanai, Japan | M6.0 | 130 km | 29 km |
| Jan 12, 2021 | 84 km NW of Yoichi, Japan | M5.9 | 129 km | 214 km |
| May 23, 1995 | Hokkaido, Japan region | M5.6 | 124 km | 17 km |
| Feb 28, 2009 | 37 km NW of Shizunai-furukawach?, Japan | M5.5 | 102 km | 105 km |
| Apr 18, 2007 | 21 km E of Tomakomai, Japan | M5.5 | 81 km | 120 km |
| Sep 19, 1993 | 111 km W of Iwanai, Japan | M5.5 | 146 km | 19 km |
| Jul 8, 2014 | 13 km N of Shiraoi, Japan | M5.5 | 40 km | 10 km |
| Jul 12, 1993 | 88 km W of Iwanai, Japan | M5.4 | 121 km | 33 km |
| Feb 21, 2019 | 25 km ESE of Chitose, Japan | M5.4 | 88 km | 28 km |
| Jul 1, 2017 | 22 km E of Chitose, Japan | M5.3 | 86 km | 37 km |
| Jul 15, 1993 | 95 km WNW of Iwanai, Japan | M5.3 | 133 km | 22 km |
| Jun 27, 2010 | 55 km NE of Mutsu, Japan | M5.3 | 136 km | 68 km |
| Jul 16, 1993 | 94 km WNW of Iwanai, Japan | M5.3 | 133 km | 25 km |
| Feb 11, 1998 | 37 km S of Shizunai-furukawach?, Japan | M5.2 | 144 km | 75 km |
| Jan 27, 2021 | 27 km ESE of Chitose, Japan | M5.2 | 89 km | 116 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
2 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 | 252 km |
| 1998 | Vicki | Category 1 | 58 mph | 298 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tsunami History
7 tsunamis recorded within 500 km. Highest wave on record: 32.0 m (105 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1993 | SEA OF JAPAN | Earthquake | 32.0 m | 231 | 137 km |
| 1640 | SE. HOKKAIDO ISLAND | Explosion | 8.0 m | 700 | 76 km |
| 1947 | W. HOKKAIDO ISLAND | Earthquake | 2.0 m | - | 119 km |
| 1982 | HOKKAIDO ISLAND | Earthquake | 1.3 m | 110 | 138 km |
| 1993 | JAPAN | Earthquake | 0.2 m | - | 119 km |
| 1834 | W. HOKKAIDO ISLAND | Earthquake | - | - | 76 km |
| 1792 | W. HOKKAIDO ISLAND | Earthquake | - | - | 88 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
12 volcanoes within 200 km. Closest: Yoteizan (12 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Yoteizan | Stratovolcano | 1,888 m (6,194 ft) | -1050 | 12 km |
| Toya | Stratovolcano | 733 m (2,405 ft) | 2001 | 21 km |
| Niseko | Stratovolcano(es) | 1,308 m (4,291 ft) | -4900 | 23 km |
| Kuttara | Stratovolcano(es) | 549 m (1,801 ft) | 1820 | 36 km |
| Shikotsu | Caldera | 1,320 m (4,331 ft) | 1979 | 42 km |
| Hokkaido-Komagatake | Stratovolcano | 1,131 m (3,711 ft) | 2000 | 76 km |
| Esan | Lava dome(s) | 618 m (2,028 ft) | 1874 | 106 km |
| Osorezan | Stratovolcano | 878 m (2,881 ft) | 1787 | 163 km |
| Tokachidake | Stratovolcano(es) | 2,077 m (6,814 ft) | 2004 | 166 km |
| Oshima-Oshima | Stratovolcano | 732 m (2,402 ft) | 1790 | 184 km |
| Taisetsuzan | Stratovolcano(es) | 2,291 m (7,516 ft) | 1739 | 191 km |
| Maruyama | Stratovolcano(es) | 2,013 m (6,604 ft) | 1898 | 191 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 19°F (-8°C) | 4.9 in | Coldest |
| February | 20°F (-7°C) | 3.8 in | |
| March | 26°F (-3°C) | 3.3 in | |
| April | 38°F (3°C) | 3.2 in | Driest |
| May | 48°F (9°C) | 3.3 in | |
| June | 56°F (14°C) | 3.3 in | |
| July | 64°F (18°C) | 4.8 in | |
| August | 67°F (19°C) | 6.6 in | Warmest, Wettest |
| September | 59°F (15°C) | 6.2 in | |
| October | 47°F (8°C) | 5.1 in | |
| November | 35°F (2°C) | 5.6 in | |
| December | 24°F (-4°C) | 5.3 in |
Rusutsu has a seasonal temperature swing of 48°F / from 19°F in January to 67°F in August. Total annual precipitation is 55.5 inches, with August being the wettest month (6.6") and April the driest (3.2").