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Weather & Climate in Shiranuka, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Shiranuka has a cool climate with an average annual temperature of 43°F (6°C). Winters average 19°F in January while summers reach 62°F in July. The area gets 260 sunny days per year, above the national average. Annual precipitation totals 42.0 inches. The area receives 8.5 inches of snow annually. The city sits at an elevation of 69 feet.
Temperature
19°F Jan (-7°C)
62°F Jul (17°C)
| Annual Average | 42.6°F |
| 21% below US avg | |
| January Average | 19°F (-7°C) |
| July Average | 62°F (17°C) |
| Sunny Days | 260 days/yr |
Geography
| Elevation | 69 ft (21 m) |
| Area | 298.5 sq mi (773.1 km²) |
| Population Density | 27/sq mi |
| Coordinates | 42.9629°N, 144.0890°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
1,184 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M8.2.
| Sep 25, 2003 | 2003 Tokachi-Oki Earthquake | M8.2 | 129 km | 27 km |
| Jan 15, 1993 | 52 km NE of Otofuke, Japan | M7.6 | 50 km | 102 km |
| Sep 25, 2003 | 119 km ESE of Shizunai-furukawach?, Japan | M7.4 | 138 km | 33 km |
| Feb 2, 2013 | 18 km SSW of Obihiro, Japan | M6.9 | 84 km | 107 km |
| Oct 8, 2003 | 39 km SSE of Kushiro, Japan | M6.7 | 53 km | 32 km |
| Sep 29, 2003 | 58 km S of Kushiro, Japan | M6.5 | 62 km | 25 km |
| Jun 5, 2009 | 105 km ESE of Shizunai-furukawach?, Japan | M6.4 | 137 km | 29 km |
| Jan 18, 2005 | 40 km E of Kushiro, Japan | M6.3 | 63 km | 42 km |
| May 12, 1999 | 44 km W of Kushiro, Japan | M6.2 | 22 km | 103 km |
| Nov 15, 1997 | 19 km NNW of Shibetsu, Japan | M6.1 | 121 km | 161 km |
| Jan 15, 1993 | 17 km W of Kushiro, Japan | M6.1 | 7 km | 112 km |
| Apr 11, 2004 | 38 km E of Kushiro, Japan | M6.1 | 61 km | 42 km |
| May 31, 2025 | 78 km S of Kushiro, Japan | M6.0 | 84 km | 21 km |
| Mar 25, 1993 | 108 km ESE of Shizunai-furukawach?, Japan | M6.0 | 139 km | 34 km |
| Feb 17, 2007 | 115 km ESE of Shizunai-furukawach?, Japan | M6.0 | 137 km | 31 km |
| Feb 25, 2023 | Hokkaido, Japan region | M6.0 | 78 km | 55 km |
| Nov 13, 2000 | 62 km SSE of Kushiro, Japan | M6.0 | 76 km | 33 km |
| Sep 26, 2003 | 110 km S of Kushiro, Japan | M6.0 | 116 km | 33 km |
| Apr 26, 2001 | 37 km SE of Nemuro, Japan | M6.0 | 150 km | 86 km |
| Aug 25, 2012 | 45 km ENE of Shizunai-furukawach?, Japan | M5.9 | 114 km | 55 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 |
| 2000 | Sonamu | Category 1 | 58 mph | 224 km |
| 1996 | Violet | Category 1 | 63 mph | 283 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
12 tsunamis recorded within 500 km. Highest wave on record: 6.5 m (21 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1952 | SE. HOKKAIDO ISLAND | Earthquake | 6.5 m | 33 | 93 km |
| 1973 | HOKKAIDO ISLAND | Earthquake | 6.0 m | — | 141 km |
| 2003 | HOKKAIDO ISLAND | Earthquake | 4.4 m | 2 | 129 km |
| 1938 | E. HOKKAIDO ISLAND | Earthquake | 0.9 m | 1 | 73 km |
| 1956 | NE. HOKKAIDO ISLAND | Earthquake | 0.4 m | — | 149 km |
| 1952 | SE. HOKKAIDO ISLAND | Earthquake | 0.3 m | — | 146 km |
| 2004 | HOKKAIDO ISLAND | Earthquake | 0.1 m | — | 84 km |
| 1962 | SE. HOKKAIDO ISLAND | Earthquake | 0.1 m | — | 86 km |
| 1961 | SE. HOKKAIDO ISLAND | Earthquake | 0.1 m | — | 135 km |
| 1961 | SE. HOKKAIDO ISLAND | Earthquake | 0.1 m | — | 123 km |
| 2008 | HOKKAIDO ISLAND | Earthquake | 0.1 m | 6 | 122 km |
| 1893 | NEMURO, JAPAN | Earthquake | — | — | 126 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
9 volcanoes within 200 km. Closest: Akan (47 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Akan | Caldera | 1,499 m (4,918 ft) | 2008 | 47 km |
| Kussharo | Caldera | 574 m (1,883 ft) | 1320 | 78 km |
| Mashu | Caldera | 857 m (2,812 ft) | 1080 | 78 km |
| Maruyama | Stratovolcano(es) | 2,013 m (6,604 ft) | 1898 | 100 km |
| Tokachidake | Stratovolcano(es) | 2,077 m (6,814 ft) | 2004 | 125 km |
| Taisetsuzan | Stratovolcano(es) | 2,291 m (7,516 ft) | 1739 | 127 km |
| Tomariyama [Golovnin] | Caldera | 535 m (1,755 ft) | 1848 | 151 km |
| Shiretoko-Iozan | Stratovolcano | 1,562 m (5,125 ft) | 1936 | 156 km |
| Raususan [Mendeleev] | Stratovolcano | 882 m (2,894 ft) | 1880 | 174 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 19°F (-7°C) | 2.1 in | Coldest |
| February | 19°F (-7°C) | 1.6 in | Driest |
| March | 28°F (-3°C) | 2.8 in | |
| April | 40°F (4°C) | 3.1 in | |
| May | 48°F (9°C) | 3.9 in | |
| June | 54°F (12°C) | 3.7 in | |
| July | 62°F (17°C) | 4.1 in | |
| August | 66°F (19°C) | 4.9 in | Warmest |
| September | 60°F (16°C) | 6.3 in | Wettest |
| October | 50°F (10°C) | 4.5 in | |
| November | 38°F (3°C) | 3.0 in | |
| December | 27°F (-3°C) | 2.0 in |
Shiranuka has a seasonal temperature swing of 47°F / from 19°F in January to 66°F in August. Total annual precipitation is 42.0 inches, with September being the wettest month (6.3") and February the driest (1.6").