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Weather & Climate in Kushiro, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Kushiro has a cool climate with an average annual temperature of 43°F (6°C). Winters average 21°F in January while summers reach 60°F in July. The area gets 261 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 41.5 inches. The area receives 7.8 inches of snow annually. The city sits at an elevation of 20 feet.
Temperature
21°F Jan (-6°C)
60°F Jul (16°C)
| Annual Average | 42.6°F |
| 21% below US avg | |
| January Average | 21°F (-6°C) |
| July Average | 60°F (16°C) |
| Sunny Days | 261 days/yr |
Geography
| Elevation | 20 ft (6 m) |
| Area | 526.4 sq mi (1,363.3 km²) |
| Population Density | 319/sq mi |
| Coordinates | 42.9750°N, 144.3747°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
1,181 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M8.2.
| Sep 25, 2003 | 2003 Tokachi-Oki Earthquake | M8.2 | 135 km | 27 km |
| Jan 15, 1993 | 52 km NE of Otofuke, Japan | M7.6 | 66 km | 102 km |
| Sep 25, 2003 | 119 km ESE of Shizunai-furukawach?, Japan | M7.4 | 148 km | 33 km |
| Feb 2, 2013 | 18 km SSW of Obihiro, Japan | M6.9 | 107 km | 107 km |
| Oct 8, 2003 | 39 km SSE of Kushiro, Japan | M6.7 | 40 km | 32 km |
| Sep 29, 2003 | 58 km S of Kushiro, Japan | M6.5 | 58 km | 25 km |
| Jun 5, 2009 | 105 km ESE of Shizunai-furukawach?, Japan | M6.4 | 149 km | 29 km |
| Jan 18, 2005 | 40 km E of Kushiro, Japan | M6.3 | 40 km | 42 km |
| May 12, 1999 | 44 km W of Kushiro, Japan | M6.2 | 44 km | 103 km |
| Jan 15, 1993 | 17 km W of Kushiro, Japan | M6.1 | 17 km | 112 km |
| Apr 11, 2004 | 38 km E of Kushiro, Japan | M6.1 | 38 km | 42 km |
| Nov 15, 1997 | 19 km NNW of Shibetsu, Japan | M6.1 | 107 km | 161 km |
| Aug 24, 2002 | 50 km ESE of Nemuro, Japan | M6.1 | 143 km | 43 km |
| May 31, 2025 | 78 km S of Kushiro, Japan | M6.0 | 79 km | 21 km |
| Feb 25, 2023 | Hokkaido, Japan region | M6.0 | 55 km | 55 km |
| Nov 13, 2000 | 62 km SSE of Kushiro, Japan | M6.0 | 63 km | 33 km |
| Feb 17, 2007 | 115 km ESE of Shizunai-furukawach?, Japan | M6.0 | 148 km | 31 km |
| Apr 26, 2001 | 37 km SE of Nemuro, Japan | M6.0 | 127 km | 86 km |
| Sep 26, 2003 | 110 km S of Kushiro, Japan | M6.0 | 111 km | 33 km |
| Aug 25, 2012 | 45 km ENE of Shizunai-furukawach?, Japan | M5.9 | 135 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 | 205 km |
| 1996 | Violet | Category 1 | 63 mph | 266 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 | 101 km |
| 1973 | HOKKAIDO ISLAND | Earthquake | 6.0 m | — | 118 km |
| 2003 | HOKKAIDO ISLAND | Earthquake | 4.4 m | 2 | 135 km |
| 1894 | SE. HOKKAIDO ISLAND | Earthquake | 4.0 m | 1 | 143 km |
| 1938 | E. HOKKAIDO ISLAND | Earthquake | 0.9 m | 1 | 70 km |
| 1956 | NE. HOKKAIDO ISLAND | Earthquake | 0.4 m | — | 149 km |
| 2004 | HOKKAIDO ISLAND | Earthquake | 0.1 m | — | 61 km |
| 1962 | SE. HOKKAIDO ISLAND | Earthquake | 0.1 m | — | 95 km |
| 1961 | SE. HOKKAIDO ISLAND | Earthquake | 0.1 m | — | 112 km |
| 1961 | SE. HOKKAIDO ISLAND | Earthquake | 0.1 m | — | 100 km |
| 2008 | HOKKAIDO ISLAND | Earthquake | 0.1 m | 6 | 131 km |
| 1893 | NEMURO, JAPAN | Earthquake | — | — | 106 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
9 volcanoes within 200 km. Closest: Akan (54 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Akan | Caldera | 1,499 m (4,918 ft) | 2008 | 54 km |
| Mashu | Caldera | 857 m (2,812 ft) | 1080 | 68 km |
| Kussharo | Caldera | 574 m (1,883 ft) | 1320 | 71 km |
| Maruyama | Stratovolcano(es) | 2,013 m (6,604 ft) | 1898 | 120 km |
| Tomariyama [Golovnin] | Caldera | 535 m (1,755 ft) | 1848 | 133 km |
| Shiretoko-Iozan | Stratovolcano | 1,562 m (5,125 ft) | 1936 | 144 km |
| Taisetsuzan | Stratovolcano(es) | 2,291 m (7,516 ft) | 1739 | 145 km |
| Tokachidake | Stratovolcano(es) | 2,077 m (6,814 ft) | 2004 | 146 km |
| Raususan [Mendeleev] | Stratovolcano | 882 m (2,894 ft) | 1880 | 156 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 21°F (-6°C) | 1.9 in | |
| February | 21°F (-6°C) | 1.5 in | Coldest, Driest |
| March | 28°F (-2°C) | 2.6 in | |
| April | 39°F (4°C) | 3.2 in | |
| May | 47°F (8°C) | 4.1 in | |
| June | 53°F (12°C) | 4.0 in | |
| July | 60°F (16°C) | 4.3 in | |
| August | 65°F (18°C) | 4.8 in | Warmest |
| September | 60°F (16°C) | 6.0 in | Wettest |
| October | 50°F (10°C) | 4.4 in | |
| November | 39°F (4°C) | 3.0 in | |
| December | 28°F (-2°C) | 1.9 in |
Kushiro has a seasonal temperature swing of 44°F / from 21°F in February to 65°F in August. Total annual precipitation is 41.5 inches, with September being the wettest month (6.0") and February the driest (1.5").