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Weather & Climate in Aomori, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Aomori experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 27°F in January while summers reach 69°F in July. The area gets 243 sunny days per year, above the national average. Annual precipitation totals 51.2 inches (wetter than the 38-inch national average). The area receives 16.2 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 23 feet.
Temperature
27°F Jan (-3°C)
69°F Jul (21°C)
| Annual Average | 48.6°F |
| 10% below US avg | |
| January Average | 27°F (-3°C) |
| July Average | 69°F (21°C) |
| Sunny Days | 243 days/yr |
Geography
| Elevation | 23 ft (7 m) |
| Area | 318.4 sq mi (824.6 km²) |
| Population Density | 937/sq mi |
| Coordinates | 40.8167°N, 140.7333°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
798 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 | 137 km | 27 km |
| Jul 23, 2008 | 29 km ENE of Morioka, Japan | M6.8 | 129 km | 108 km |
| Aug 7, 1993 | 69 km WNW of Kamiiso, Japan | M6.5 | 150 km | 14 km |
| Aug 13, 2001 | 87 km ENE of Misawa, Japan | M6.4 | 135 km | 38 km |
| Jan 24, 2018 | 99 km ENE of Misawa, Japan | M6.3 | 146 km | 31 km |
| Jul 12, 1992 | 70 km ENE of Mutsu, Japan | M6.2 | 130 km | 64 km |
| Aug 24, 1992 | 9 km NNW of Honch?, Japan | M6.2 | 129 km | 121 km |
| Mar 17, 2011 | 57 km NNE of Miyako, Japan | M6.2 | 143 km | 29 km |
| Mar 11, 2011 | 88 km WNW of Noshiro, Japan | M6.2 | 146 km | 10 km |
| Aug 10, 2014 | 78 km E of Mutsu, Japan | M6.1 | 123 km | 41 km |
| Jun 8, 2015 | 74 km ENE of Mutsu, Japan | M6.1 | 137 km | 42 km |
| Oct 14, 2002 | 87 km E of Mutsu, Japan | M6.1 | 133 km | 61 km |
| May 23, 2012 | 72 km E of Mutsu, Japan | M5.9 | 127 km | 46 km |
| Apr 1, 2024 | 7 km SW of Kuji, Japan | M5.9 | 111 km | 73 km |
| Sep 3, 1998 | 19 km W of Shizukuishi, Japan | M5.9 | 122 km | 38 km |
| May 5, 2023 | 68 km ENE of Mutsu, Japan | M5.9 | 130 km | 59 km |
| Mar 11, 2011 | 18 km E of Misawa, Japan | M5.8 | 75 km | 45 km |
| Jan 30, 1998 | 70 km ENE of Mutsu, Japan | M5.8 | 130 km | 33 km |
| Sep 26, 2017 | 73 km ESE of Hachinohe, Japan | M5.8 | 146 km | 37 km |
| Sep 13, 2010 | 68 km ENE of Mutsu, Japan | M5.8 | 129 km | 45 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
4 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.
| Year | Name | Category | Max Wind | Closest |
| 2002 | Higos | Category 1 | 75 mph | 66 km |
| 2000 | Kirogi | Category 1 | 63 mph | 260 km |
| 1998 | Vicki | Category 1 | 58 mph | 103 km |
| 1995 | Ryan | Category 1 | 40 mph | 250 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
17 tsunamis recorded within 500 km. Highest wave on record: 90.0 m (295 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1741 | W. HOKKAIDO ISLAND | Explosion | 90.0 m | 2,000 | 137 km |
| 1983 | NOSHIRO, JAPAN | Earthquake | 14.9 m | 104 | 143 km |
| 1640 | SE. HOKKAIDO ISLAND | Explosion | 8.0 m | 700 | 139 km |
| 1763 | SANRIKU | Earthquake | 5.0 m | — | 107 km |
| 1793 | W. OFF AOMORI | Earthquake | 1.8 m | 12 | 66 km |
| 1939 | NW. HONSHU ISLAND | Earthquake | 1.2 m | 27 | 131 km |
| 1983 | N. HONSHU ISLAND | Earthquake | 1.0 m | — | 149 km |
| 1810 | NW. HONSHU ISLAND | Earthquake | 1.0 m | 57 | 124 km |
| 2025 | OFF NORTHEAST COAST HONSHU | Earthquake | 0.7 m | — | 123 km |
| 1912 | SANRIKU | Earthquake | 0.5 m | — | 113 km |
| 1945 | SANRIKU | Earthquake | 0.4 m | 2 | 115 km |
| 1901 | OFF NORTHEAST COAST HONSHU | Earthquake | 0.3 m | 18 | 134 km |
| 1993 | JAPAN | Earthquake | 0.2 m | — | 150 km |
| 1766 | SANRIKU | Earthquake | — | 1,700 | 10 km |
| 1763 | SANRIKU, HACHIONHE | Earthquake | — | — | 108 km |
| 1763 | N. SANRIKU | Earthquake | — | — | 150 km |
| 1341 | JUSANKO, TSUGARU AOMORI PREFECTURE | Earthquake | — | 2,600 | 106 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km. Closest: Hakkodasan (21 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Hakkodasan | Stratovolcano(es) | 1,585 m (5,200 ft) | 1550 | 21 km |
| Towada | Caldera | 1,011 m (3,317 ft) | 915 | 36 km |
| Iwakisan | Stratovolcano | 1,625 m (5,331 ft) | 1863 | 40 km |
| Osorezan | Stratovolcano | 878 m (2,881 ft) | 1787 | 61 km |
| Akita-Yakeyama | Stratovolcano | 1,366 m (4,482 ft) | 1997 | 95 km |
| Hachimantai | Stratovolcano | 1,613 m (5,292 ft) | -5350 | 96 km |
| Iwatesan | Complex | 2,038 m (6,686 ft) | 1919 | 110 km |
| Esan | Lava dome(s) | 618 m (2,028 ft) | 1874 | 116 km |
| Akita-Komagatake | Stratovolcano(es) | 1,637 m (5,371 ft) | 1971 | 118 km |
| Megata | Maar(s) | 291 m (955 ft) | -2050 | 129 km |
| Oshima-Oshima | Stratovolcano | 732 m (2,402 ft) | 1790 | 138 km |
| Hokkaido-Komagatake | Stratovolcano | 1,131 m (3,711 ft) | 2000 | 139 km |
| Kuttara | Stratovolcano(es) | 549 m (1,801 ft) | 1820 | 190 km |
| Toya | Stratovolcano | 733 m (2,405 ft) | 2001 | 192 km |
| Chokaisan | Stratovolcano(es) | 2,236 m (7,336 ft) | 1974 | 200 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 27°F (-3°C) | 4.5 in | Coldest |
| February | 28°F (-2°C) | 3.7 in | |
| March | 34°F (1°C) | 3.2 in | |
| April | 45°F (7°C) | 3.0 in | Driest |
| May | 55°F (13°C) | 3.0 in | |
| June | 61°F (16°C) | 3.5 in | |
| July | 69°F (21°C) | 4.6 in | |
| August | 72°F (22°C) | 5.7 in | Warmest |
| September | 65°F (18°C) | 5.9 in | Wettest |
| October | 54°F (12°C) | 4.6 in | |
| November | 42°F (6°C) | 4.7 in | |
| December | 32°F (0°C) | 4.7 in |
Aomori has a seasonal temperature swing of 45°F / from 27°F in January to 72°F in August. Total annual precipitation is 51.2 inches, with September being the wettest month (5.9") and April the driest (3.0").