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Weather & Climate in Obirachō, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Obirachō has a cool climate with an average annual temperature of 44°F (7°C). Winters average 22°F in January while summers reach 66°F in July. The area gets 249 sunny days per year, above the national average. Annual precipitation totals 48.0 inches (wetter than the 38-inch national average). The area receives 13.9 inches of snow annually. The city sits at an elevation of 16 feet.
Temperature
22°F Jan (-6°C)
66°F Jul (19°C)
| Annual Average | 44.2°F |
| 18% below US avg | |
| January Average | 22°F (-6°C) |
| July Average | 66°F (19°C) |
| Sunny Days | 249 days/yr |
Geography
| Elevation | 16 ft (5 m) |
| Area | 242.2 sq mi (627.2 km²) |
| Population Density | 12/sq mi |
| Coordinates | 44.0181°N, 141.6683°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
295 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.2.
| Jan 11, 2016 | 74 km NW of Rumoi, Japan | M6.2 | 69 km | 239 km |
| Oct 21, 2011 | 16 km NE of Asahikawa, Japan | M6.1 | 66 km | 187 km |
| Jan 12, 2021 | 84 km NW of Yoichi, Japan | M5.9 | 139 km | 214 km |
| Feb 19, 2003 | 26 km NNE of Rumoi, Japan | M5.9 | 18 km | 214 km |
| May 23, 1995 | Hokkaido, Japan region | M5.6 | 41 km | 17 km |
| Jan 22, 2013 | 77 km SSW of Rishiri Town, Japan | M5.4 | 77 km | 235 km |
| Feb 21, 2019 | 25 km ESE of Chitose, Japan | M5.4 | 142 km | 28 km |
| Aug 15, 1990 | 43 km ESE of Kamikawa, Japan | M5.3 | 134 km | 162 km |
| Jul 1, 2017 | 22 km E of Chitose, Japan | M5.3 | 136 km | 37 km |
| Jun 20, 2021 | 29 km NE of Shimo-furano, Japan | M5.3 | 92 km | 152 km |
| Jan 27, 2021 | 27 km ESE of Chitose, Japan | M5.2 | 147 km | 116 km |
| Feb 21, 1990 | 27 km SSW of Nayoro, Japan | M5.1 | 51 km | 33 km |
| Aug 10, 2022 | 51 km SSE of Makubetsu, Japan | M5.1 | 109 km | 10 km |
| Nov 10, 1990 | 23 km W of Nayoro, Japan | M5.1 | 55 km | 16 km |
| Aug 13, 2013 | 35 km WSW of Kitami, Japan | M5.1 | 148 km | 178 km |
| Jul 5, 2024 | 10 km WNW of Nayoro, Japan | M5.1 | 65 km | 232 km |
| Jul 20, 1993 | 33 km W of Nayoro, Japan | M5.0 | 45 km | 18 km |
| May 10, 2005 | 35 km E of Kamikawa, Japan | M5.0 | 126 km | 161 km |
| Jul 31, 2021 | 16 km NNE of T?betsu, Japan | M5.0 | 75 km | 168 km |
| Feb 7, 2025 | 25 km NNW of Shintoku, Japan | M4.9 | 117 km | 160 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
4 tsunamis recorded within 500 km. Highest wave on record: 2.0 m (7 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1947 | W. HOKKAIDO ISLAND | Earthquake | 2.0 m | — | 59 km |
| 1863 | NW. HOKKAIDO ISLAND | Earthquake | — | — | 66 km |
| 1834 | W. HOKKAIDO ISLAND | Earthquake | — | — | 83 km |
| 1792 | W. HOKKAIDO ISLAND | Earthquake | — | — | 103 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
8 volcanoes within 200 km. Closest: Taisetsuzan (103 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Taisetsuzan | Stratovolcano(es) | 2,291 m (7,516 ft) | 1739 | 103 km |
| Tokachidake | Stratovolcano(es) | 2,077 m (6,814 ft) | 2004 | 106 km |
| Maruyama | Stratovolcano(es) | 2,013 m (6,604 ft) | 1898 | 128 km |
| Yoteizan | Stratovolcano | 1,888 m (6,194 ft) | -1050 | 149 km |
| Shikotsu | Caldera | 1,320 m (4,331 ft) | 1979 | 150 km |
| Niseko | Stratovolcano(es) | 1,308 m (4,291 ft) | -4900 | 151 km |
| Kuttara | Stratovolcano(es) | 549 m (1,801 ft) | 1820 | 175 km |
| Toya | Stratovolcano | 733 m (2,405 ft) | 2001 | 177 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 22°F (-6°C) | 3.8 in | Coldest |
| February | 22°F (-6°C) | 2.7 in | |
| March | 29°F (-2°C) | 2.4 in | |
| April | 40°F (5°C) | 2.4 in | Driest |
| May | 50°F (10°C) | 2.6 in | |
| June | 58°F (15°C) | 2.8 in | |
| July | 66°F (19°C) | 3.9 in | |
| August | 68°F (20°C) | 5.8 in | Warmest |
| September | 61°F (16°C) | 5.8 in | Wettest |
| October | 50°F (10°C) | 5.5 in | |
| November | 38°F (3°C) | 5.5 in | |
| December | 28°F (-2°C) | 5.0 in |
Obirachō has a seasonal temperature swing of 47°F / from 22°F in January to 68°F in August. Total annual precipitation is 48.0 inches, with September being the wettest month (5.8") and April the driest (2.4").