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Weather & Climate in Karumai, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Karumai experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 25°F in January while summers reach 67°F in July. The area gets 247 sunny days per year, above the national average. Annual precipitation totals 48.8 inches (wetter than the 38-inch national average). The area receives 10.9 inches of snow annually. The city sits at an elevation of 646 feet.
Temperature
25°F Jan (-4°C)
67°F Jul (19°C)
| Annual Average | 46.8°F |
| 13% below US avg | |
| January Average | 25°F (-4°C) |
| July Average | 67°F (19°C) |
| Sunny Days | 247 days/yr |
Geography
| Elevation | 646 ft (197 m) |
| Area | 94.9 sq mi (245.8 km²) |
| Population Density | 89/sq mi |
| Coordinates | 40.3214°N, 141.4583°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
1,436 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.0.
| Jan 6, 1995 | 63 km ESE of Hachinohe, Japan | M7.0 | 61 km | 27 km |
| Jul 23, 2008 | 29 km ENE of Morioka, Japan | M6.8 | 58 km | 108 km |
| Sep 16, 2011 | 99 km NE of Miyako, Japan | M6.7 | 112 km | 30 km |
| Feb 16, 2015 | 83 km ENE of Miyako, Japan | M6.7 | 132 km | 23 km |
| Jun 22, 2011 | 41 km NNE of Miyako, Japan | M6.7 | 75 km | 33 km |
| Mar 11, 2011 | 50 km ESE of ?tsuchi, Japan | M6.6 | 148 km | 26 km |
| Dec 2, 2001 | 3 km NW of Hanamaki, Japan | M6.5 | 107 km | 124 km |
| Aug 13, 2001 | 87 km ENE of Misawa, Japan | M6.4 | 108 km | 38 km |
| Oct 3, 2000 | 123 km NE of Miyako, Japan | M6.3 | 141 km | 33 km |
| Jan 24, 2018 | 99 km ENE of Misawa, Japan | M6.3 | 120 km | 31 km |
| Jul 4, 2010 | 37 km E of Miyako, Japan | M6.3 | 104 km | 27 km |
| Mar 17, 2011 | 57 km NNE of Miyako, Japan | M6.2 | 64 km | 29 km |
| Dec 28, 1994 | 80 km NE of Miyako, Japan | M6.2 | 107 km | 22 km |
| Jul 12, 1992 | 70 km ENE of Mutsu, Japan | M6.2 | 135 km | 64 km |
| Jun 8, 2015 | 74 km ENE of Mutsu, Japan | M6.1 | 146 km | 42 km |
| Oct 14, 2002 | 87 km E of Mutsu, Japan | M6.1 | 116 km | 61 km |
| Mar 27, 2012 | 24 km NNE of Miyako, Japan | M6.1 | 70 km | 15 km |
| Aug 10, 2014 | 78 km E of Mutsu, Japan | M6.1 | 109 km | 41 km |
| Dec 31, 1994 | 81 km NE of Miyako, Japan | M6.0 | 93 km | 43 km |
| Jan 7, 1995 | 76 km NNE of Miyako, Japan | M6.0 | 77 km | 32 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
5 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.
| Year | Name | Category | Max Wind | Closest |
| 2019 | Hagibis | Category 1 | 69 mph | 238 km |
| 2002 | Higos | Category 1 | 75 mph | 21 km |
| 2000 | Kirogi | Category 1 | 63 mph | 178 km |
| 1998 | Vicki | Category 1 | 58 mph | 25 km |
| 1995 | Ryan | Category 1 | 40 mph | 292 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
20 tsunamis recorded within 500 km. Highest wave on record: 5.0 m (16 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1763 | SANRIKU | Earthquake | 5.0 m | — | 70 km |
| 1846 | SANRIKU | Earthquake | 2.0 m | — | 127 km |
| 1793 | W. OFF AOMORI | Earthquake | 1.8 m | 12 | 140 km |
| 1810 | NW. HONSHU ISLAND | Earthquake | 1.0 m | 57 | 141 km |
| 1989 | JAPAN | Earthquake | 0.9 m | — | 123 km |
| 2025 | OFF NORTHEAST COAST HONSHU | Earthquake | 0.7 m | — | 97 km |
| 1901 | OFF NORTHEAST COAST HONSHU | Earthquake | 0.6 m | — | 90 km |
| 1912 | SANRIKU | Earthquake | 0.5 m | — | 50 km |
| 1945 | SANRIKU | Earthquake | 0.4 m | 2 | 84 km |
| 1931 | SANRIKU | Earthquake | 0.4 m | — | 131 km |
| 1960 | SANRIKU | Earthquake | 0.3 m | — | 88 km |
| 2015 | HONSHU | Earthquake | 0.3 m | — | 132 km |
| 1901 | OFF NORTHEAST COAST HONSHU | Earthquake | 0.3 m | 18 | 78 km |
| 2025 | OFF NORTHEAST COAST HONSHU | Earthquake | 0.2 m | — | 127 km |
| 1901 | OFF NORTHEAST COAST HONSHU | Earthquake | 0.0 m | — | 90 km |
| 1766 | SANRIKU | Earthquake | — | 1,700 | 91 km |
| 1763 | SANRIKU, HACHIONHE | Earthquake | — | — | 62 km |
| 1763 | N. SANRIKU | Earthquake | — | — | 116 km |
| 1088 | MIYAKO, IWATE PREFECTURE | Earthquake | — | — | 132 km |
| 1088 | MIYAKO, IWATE PREFECTURE | Earthquake | — | — | 87 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
13 volcanoes within 200 km. Closest: Towada (53 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Towada | Caldera | 1,011 m (3,317 ft) | 915 | 53 km |
| Hakkodasan | Stratovolcano(es) | 1,585 m (5,200 ft) | 1550 | 62 km |
| Iwatesan | Complex | 2,038 m (6,686 ft) | 1919 | 65 km |
| Hachimantai | Stratovolcano | 1,613 m (5,292 ft) | -5350 | 65 km |
| Akita-Yakeyama | Stratovolcano | 1,366 m (4,482 ft) | 1997 | 72 km |
| Akita-Komagatake | Stratovolcano(es) | 1,637 m (5,371 ft) | 1971 | 84 km |
| Iwakisan | Stratovolcano | 1,625 m (5,331 ft) | 1863 | 105 km |
| Osorezan | Stratovolcano | 878 m (2,881 ft) | 1787 | 110 km |
| Megata | Maar(s) | 291 m (955 ft) | -2050 | 153 km |
| Kurikomayama | Stratovolcano | 1,627 m (5,338 ft) | 1950 | 162 km |
| Esan | Lava dome(s) | 618 m (2,028 ft) | 1874 | 167 km |
| Chokaisan | Stratovolcano(es) | 2,236 m (7,336 ft) | 1974 | 182 km |
| Naruko | Caldera | 470 m (1,542 ft) | 837 | 188 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 25°F (-4°C) | 2.6 in | Coldest |
| February | 26°F (-3°C) | 2.5 in | Driest |
| March | 32°F (0°C) | 3.0 in | |
| April | 44°F (7°C) | 3.3 in | |
| May | 53°F (12°C) | 3.5 in | |
| June | 60°F (15°C) | 4.5 in | |
| July | 67°F (19°C) | 5.9 in | |
| August | 70°F (21°C) | 6.4 in | Warmest |
| September | 62°F (17°C) | 6.7 in | Wettest |
| October | 51°F (11°C) | 4.3 in | |
| November | 41°F (5°C) | 3.3 in | |
| December | 31°F (-1°C) | 2.8 in |
Karumai has a seasonal temperature swing of 45°F / from 25°F in January to 70°F in August. Total annual precipitation is 48.8 inches, with September being the wettest month (6.7") and February the driest (2.5").