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Weather & Climate in Kamiatsuma, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Kamiatsuma has a cool climate with an average annual temperature of 44°F (7°C). Winters average 21°F in January while summers reach 65°F in July. The area gets 256 sunny days per year, above the national average. Annual precipitation totals 44.2 inches. The area receives 8.4 inches of snow annually. The city sits at an elevation of 26 feet.
Temperature
21°F Jan (-6°C)
65°F Jul (18°C)
| Annual Average | 44.3°F |
| 18% below US avg | |
| January Average | 21°F (-6°C) |
| July Average | 65°F (18°C) |
| Sunny Days | 256 days/yr |
Geography
| Elevation | 26 ft (8 m) |
| Area | 552.4 sq mi (1,430.6 km²) |
| Population Density | 8/sq mi |
| Coordinates | 42.6440°N, 141.8474°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
1,112 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.9.
| Feb 2, 2013 | 18 km SSW of Obihiro, Japan | M6.9 | 103 km | 107 km |
| Jan 14, 2016 | 52 km SE of Shizunai-furukawach?, Japan | M6.7 | 107 km | 46 km |
| Nov 26, 1991 | 33 km SSE of Shizunai-furukawach?, Japan | M6.4 | 86 km | 56 km |
| Jul 12, 1992 | 70 km ENE of Mutsu, Japan | M6.2 | 133 km | 64 km |
| Jun 11, 2023 | 20 km WSW of Biratori, Japan | M6.2 | 14 km | 121 km |
| Aug 24, 1992 | 9 km NNW of Honch?, Japan | M6.2 | 123 km | 121 km |
| Oct 21, 2011 | 16 km NE of Asahikawa, Japan | M6.1 | 148 km | 187 km |
| Jun 8, 2015 | 74 km ENE of Mutsu, Japan | M6.1 | 121 km | 42 km |
| Feb 20, 1997 | 61 km SSE of Shizunai-furukawach?, Japan | M6.0 | 114 km | 33 km |
| Aug 25, 2012 | 45 km ENE of Shizunai-furukawach?, Japan | M5.9 | 91 km | 55 km |
| May 5, 2023 | 68 km ENE of Mutsu, Japan | M5.9 | 127 km | 59 km |
| May 23, 2012 | 72 km E of Mutsu, Japan | M5.9 | 147 km | 46 km |
| Jun 10, 2004 | 49 km E of Shizunai-furukawach?, Japan | M5.8 | 95 km | 50 km |
| Apr 29, 2008 | 70 km ENE of Mutsu, Japan | M5.8 | 133 km | 47 km |
| Jun 12, 1991 | 17 km SE of Obihiro, Japan | M5.8 | 122 km | 109 km |
| Sep 13, 2010 | 68 km ENE of Mutsu, Japan | M5.8 | 128 km | 45 km |
| Jan 30, 1998 | 70 km ENE of Mutsu, Japan | M5.8 | 132 km | 33 km |
| Mar 7, 2017 | 62 km ENE of Mutsu, Japan | M5.7 | 126 km | 56 km |
| Apr 3, 2002 | 60 km ENE of Mutsu, Japan | M5.7 | 122 km | 71 km |
| May 23, 1995 | Hokkaido, Japan region | M5.6 | 113 km | 17 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 |
| 2002 | Higos | Category 1 | 69 mph | 241 km |
| 1998 | Vicki | Category 1 | 58 mph | 284 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
6 tsunamis recorded within 500 km. Highest wave on record: 8.0 m (26 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1640 | SE. HOKKAIDO ISLAND | Explosion | 8.0 m | 700 | 115 km |
| 1947 | W. HOKKAIDO ISLAND | Earthquake | 2.0 m | — | 146 km |
| 1982 | HOKKAIDO ISLAND | Earthquake | 1.3 m | 110 | 69 km |
| 1968 | OFF COAST OF HONSHU ISLAND | Earthquake | 0.6 m | — | 145 km |
| 1834 | W. HOKKAIDO ISLAND | Earthquake | — | — | 82 km |
| 1792 | W. HOKKAIDO ISLAND | Earthquake | — | — | 139 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
12 volcanoes within 200 km. Closest: Shikotsu (39 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Shikotsu | Caldera | 1,320 m (4,331 ft) | 1979 | 39 km |
| Kuttara | Stratovolcano(es) | 549 m (1,801 ft) | 1820 | 59 km |
| Toya | Stratovolcano | 733 m (2,405 ft) | 2001 | 83 km |
| Yoteizan | Stratovolcano | 1,888 m (6,194 ft) | -1050 | 87 km |
| Niseko | Stratovolcano(es) | 1,308 m (4,291 ft) | -4900 | 100 km |
| Esan | Lava dome(s) | 618 m (2,028 ft) | 1874 | 109 km |
| Tokachidake | Stratovolcano(es) | 2,077 m (6,814 ft) | 2004 | 110 km |
| Hokkaido-Komagatake | Stratovolcano | 1,131 m (3,711 ft) | 2000 | 116 km |
| Maruyama | Stratovolcano(es) | 2,013 m (6,604 ft) | 1898 | 129 km |
| Taisetsuzan | Stratovolcano(es) | 2,291 m (7,516 ft) | 1739 | 140 km |
| Osorezan | Stratovolcano | 878 m (2,881 ft) | 1787 | 163 km |
| Akan | Caldera | 1,499 m (4,918 ft) | 2008 | 194 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 21°F (-6°C) | 2.1 in | Coldest |
| February | 23°F (-5°C) | 1.7 in | Driest |
| March | 30°F (-1°C) | 2.2 in | |
| April | 41°F (5°C) | 3.1 in | |
| May | 50°F (10°C) | 3.7 in | |
| June | 57°F (14°C) | 3.7 in | |
| July | 65°F (18°C) | 5.3 in | |
| August | 68°F (20°C) | 6.3 in | Warmest, Wettest |
| September | 62°F (16°C) | 6.0 in | |
| October | 50°F (10°C) | 4.4 in | |
| November | 39°F (4°C) | 3.4 in | |
| December | 27°F (-3°C) | 2.4 in |
Kamiatsuma has a seasonal temperature swing of 47°F / from 21°F in January to 68°F in August. Total annual precipitation is 44.2 inches, with August being the wettest month (6.3") and February the driest (1.7").