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Weather & Climate in Nishiokoppe, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Nishiokoppe has a cool climate with an average annual temperature of 39°F (4°C). Winters average 15°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 41.7 inches. The area receives 13.5 inches of snow annually. The city sits at an elevation of 381 feet.
Temperature
15°F Jan (-10°C)
62°F Jul (17°C)
| Annual Average | 39.3°F |
| 27% below US avg | |
| January Average | 15°F (-10°C) |
| July Average | 62°F (17°C) |
| Sunny Days | 260 days/yr |
Geography
| Elevation | 381 ft (116 m) |
| Area | 119.0 sq mi (308.1 km²) |
| Population Density | 9/sq mi |
| Coordinates | 44.3305°N, 142.9486°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
244 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 | 129 km | 102 km |
| Jan 11, 2016 | 74 km NW of Rumoi, Japan | M6.2 | 149 km | 239 km |
| Oct 21, 2011 | 16 km NE of Asahikawa, Japan | M6.1 | 62 km | 187 km |
| Feb 19, 2003 | 26 km NNE of Rumoi, Japan | M5.9 | 94 km | 214 km |
| May 23, 1995 | Hokkaido, Japan region | M5.6 | 123 km | 17 km |
| Dec 22, 1997 | 17 km ENE of Otofuke, Japan | M5.3 | 144 km | 115 km |
| Aug 15, 1990 | 43 km ESE of Kamikawa, Japan | M5.3 | 70 km | 162 km |
| Jun 20, 2021 | 29 km NE of Shimo-furano, Japan | M5.3 | 90 km | 152 km |
| Jul 5, 2024 | 10 km WNW of Nayoro, Japan | M5.1 | 50 km | 232 km |
| Nov 10, 1990 | 23 km W of Nayoro, Japan | M5.1 | 63 km | 16 km |
| Feb 21, 1990 | 27 km SSW of Nayoro, Japan | M5.1 | 57 km | 33 km |
| May 21, 2013 | 83 km ESE of Makubetsu, Japan | M5.1 | 90 km | 273 km |
| Aug 13, 2013 | 35 km WSW of Kitami, Japan | M5.1 | 80 km | 178 km |
| Aug 10, 2022 | 51 km SSE of Makubetsu, Japan | M5.1 | 96 km | 10 km |
| May 10, 2005 | 35 km E of Kamikawa, Japan | M5.0 | 64 km | 161 km |
| Oct 4, 1994 | 29 km E of Makubetsu, Japan | M5.0 | 135 km | 33 km |
| Feb 7, 2012 | 37 km ENE of Makubetsu, Japan | M5.0 | 148 km | 315 km |
| Jul 20, 1993 | 33 km W of Nayoro, Japan | M5.0 | 72 km | 18 km |
| Sep 22, 1999 | 69 km ENE of Makubetsu, Japan | M5.0 | 140 km | 292 km |
| Jul 19, 2010 | 63 km S of Rishiri Town, Japan | M4.9 | 135 km | 247 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 | 135 km |
| 1956 | NE. HOKKAIDO ISLAND | Earthquake | 0.4 m | — | 92 km |
| 1863 | NW. HOKKAIDO ISLAND | Earthquake | — | — | 119 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
7 volcanoes within 200 km. Closest: Taisetsuzan (75 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Taisetsuzan | Stratovolcano(es) | 2,291 m (7,516 ft) | 1739 | 75 km |
| Maruyama | Stratovolcano(es) | 2,013 m (6,604 ft) | 1898 | 102 km |
| Tokachidake | Stratovolcano(es) | 2,077 m (6,814 ft) | 2004 | 104 km |
| Akan | Caldera | 1,499 m (4,918 ft) | 2008 | 136 km |
| Kussharo | Caldera | 574 m (1,883 ft) | 1320 | 143 km |
| Mashu | Caldera | 857 m (2,812 ft) | 1080 | 154 km |
| Shiretoko-Iozan | Stratovolcano | 1,562 m (5,125 ft) | 1936 | 178 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 15°F (-10°C) | 2.6 in | |
| February | 15°F (-10°C) | 1.9 in | Coldest, Driest |
| March | 23°F (-5°C) | 2.5 in | |
| April | 36°F (2°C) | 2.4 in | |
| May | 47°F (8°C) | 3.0 in | |
| June | 54°F (12°C) | 3.1 in | |
| July | 62°F (17°C) | 4.1 in | |
| August | 65°F (18°C) | 5.6 in | Warmest, Wettest |
| September | 56°F (14°C) | 5.5 in | |
| October | 45°F (7°C) | 4.4 in | |
| November | 33°F (0°C) | 3.7 in | |
| December | 22°F (-6°C) | 2.9 in |
Nishiokoppe has a seasonal temperature swing of 50°F / from 15°F in February to 65°F in August. Total annual precipitation is 41.7 inches, with August being the wettest month (5.6") and February the driest (1.9").