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. 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) |
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°E |
| 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").