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Weather & Climate in Oketo, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Oketo has a cool climate with an average annual temperature of 40°F (5°C). Winters average 14°F in January while summers reach 64°F in July. The area gets 260 sunny days per year, above the national average. Annual precipitation totals 41.9 inches. The area receives 13.4 inches of snow annually. The city sits at an elevation of 883 feet.
Temperature
14°F Jan (-10°C)
64°F Jul (18°C)
| Annual Average | 40.3°F |
| 25% below US avg | |
| January Average | 14°F (-10°C) |
| July Average | 64°F (18°C) |
| Sunny Days | 260 days/yr |
Geography
| Elevation | 883 ft (269 m) |
| Area | 203.6 sq mi (527.3 km²) |
| Population Density | 15/sq mi |
| Coordinates | 43.6799°N, 143.5899°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
532 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.6.
| Jan 15, 1993 | 52 km NE of Otofuke, Japan | M7.6 | 43 km | 102 km |
| Feb 2, 2013 | 18 km SSW of Obihiro, Japan | M6.9 | 109 km | 107 km |
| Oct 8, 2003 | 39 km SSE of Kushiro, Japan | M6.7 | 140 km | 32 km |
| Jan 18, 2005 | 40 km E of Kushiro, Japan | M6.3 | 132 km | 42 km |
| May 12, 1999 | 44 km W of Kushiro, Japan | M6.2 | 75 km | 103 km |
| Jan 15, 1993 | 17 km W of Kushiro, Japan | M6.1 | 91 km | 112 km |
| Oct 21, 2011 | 16 km NE of Asahikawa, Japan | M6.1 | 92 km | 187 km |
| Nov 15, 1997 | 19 km NNW of Shibetsu, Japan | M6.1 | 116 km | 161 km |
| Apr 11, 2004 | 38 km E of Kushiro, Japan | M6.1 | 132 km | 42 km |
| Feb 25, 2023 | Hokkaido, Japan region | M6.0 | 150 km | 55 km |
| Jul 1, 2007 | 32 km W of Shibetsu, Japan | M5.8 | 92 km | 130 km |
| Jun 12, 1991 | 17 km SE of Obihiro, Japan | M5.8 | 101 km | 109 km |
| May 30, 2020 | 69 km SE of Obihiro, Japan | M5.6 | 135 km | 89 km |
| May 23, 1995 | Hokkaido, Japan region | M5.6 | 149 km | 17 km |
| Apr 11, 1990 | 55 km SSW of Kushiro, Japan | M5.6 | 132 km | 72 km |
| Sep 28, 2003 | 48 km SE of Kushiro, Japan | M5.6 | 149 km | 33 km |
| Oct 25, 1991 | 36 km N of Kushiro, Japan | M5.5 | 75 km | 98 km |
| Mar 11, 2005 | 27 km ENE of Kushiro, Japan | M5.5 | 110 km | 54 km |
| Sep 25, 2003 | 78 km SE of Obihiro, Japan | M5.5 | 149 km | 33 km |
| Apr 27, 2019 | 39 km ENE of Shizunai-furukawach?, Japan | M5.4 | 150 km | 111 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
3 tsunamis recorded within 500 km. Highest wave on record: 0.9 m (3 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1938 | E. HOKKAIDO ISLAND | Earthquake | 0.9 m | 1 | 58 km |
| 1956 | NE. HOKKAIDO ISLAND | Earthquake | 0.4 m | — | 80 km |
| 2004 | HOKKAIDO ISLAND | Earthquake | 0.1 m | — | 145 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 |
| Maruyama | Stratovolcano(es) | 2,013 m (6,604 ft) | 1898 | 54 km |
| Taisetsuzan | Stratovolcano(es) | 2,291 m (7,516 ft) | 1739 | 59 km |
| Kussharo | Caldera | 574 m (1,883 ft) | 1320 | 68 km |
| Tokachidake | Stratovolcano(es) | 2,077 m (6,814 ft) | 2004 | 79 km |
| Mashu | Caldera | 857 m (2,812 ft) | 1080 | 79 km |
| Shiretoko-Iozan | Stratovolcano | 1,562 m (5,125 ft) | 1936 | 136 km |
| Tomariyama [Golovnin] | Caldera | 535 m (1,755 ft) | 1848 | 155 km |
| Raususan [Mendeleev] | Stratovolcano | 882 m (2,894 ft) | 1880 | 175 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 14°F (-10°C) | 2.5 in | Coldest |
| February | 15°F (-10°C) | 1.9 in | Driest |
| March | 24°F (-5°C) | 3.0 in | |
| April | 38°F (3°C) | 2.8 in | |
| May | 48°F (9°C) | 3.4 in | |
| June | 55°F (13°C) | 3.2 in | |
| July | 64°F (18°C) | 3.8 in | |
| August | 66°F (19°C) | 5.4 in | Warmest |
| September | 58°F (14°C) | 5.8 in | Wettest |
| October | 46°F (8°C) | 4.2 in | |
| November | 34°F (1°C) | 3.5 in | |
| December | 22°F (-6°C) | 2.5 in |
Oketo has a seasonal temperature swing of 52°F / from 14°F in January to 66°F in August. Total annual precipitation is 41.9 inches, with September being the wettest month (5.8") and February the driest (1.9").