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Weather & Climate in Hiranai, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Hiranai experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 28°F in January while summers reach 68°F in July. The area gets 248 sunny days per year, above the national average. Annual precipitation totals 48.6 inches (wetter than the 38-inch national average). The area receives 15.0 inches of snow annually. The city sits at an elevation of 62 feet.
Temperature
28°F Jan (-2°C)
68°F Jul (20°C)
| Annual Average | 48.8°F |
| 10% below US avg | |
| January Average | 28°F (-2°C) |
| July Average | 68°F (20°C) |
| Sunny Days | 248 days/yr |
Geography
| Elevation | 62 ft (19 m) |
| Area | 250.1 sq mi (647.7 km²) |
| Population Density | 43/sq mi |
| Coordinates | 40.9203°N, 140.9556°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
929 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 | 127 km | 27 km |
| Jul 23, 2008 | 29 km ENE of Morioka, Japan | M6.8 | 132 km | 108 km |
| Aug 13, 2001 | 87 km ENE of Misawa, Japan | M6.4 | 114 km | 38 km |
| Jan 24, 2018 | 99 km ENE of Misawa, Japan | M6.3 | 126 km | 31 km |
| Mar 17, 2011 | 57 km NNE of Miyako, Japan | M6.2 | 135 km | 29 km |
| Aug 24, 1992 | 9 km NNW of Honch?, Japan | M6.2 | 120 km | 121 km |
| Jul 12, 1992 | 70 km ENE of Mutsu, Japan | M6.2 | 108 km | 64 km |
| Jun 8, 2015 | 74 km ENE of Mutsu, Japan | M6.1 | 115 km | 42 km |
| Mar 27, 2012 | 24 km NNE of Miyako, Japan | M6.1 | 148 km | 15 km |
| Oct 14, 2002 | 87 km E of Mutsu, Japan | M6.1 | 112 km | 61 km |
| Aug 10, 2014 | 78 km E of Mutsu, Japan | M6.1 | 102 km | 41 km |
| Jan 7, 1995 | 76 km NNE of Miyako, Japan | M6.0 | 140 km | 32 km |
| Apr 1, 2024 | 7 km SW of Kuji, Japan | M5.9 | 107 km | 73 km |
| May 5, 2023 | 68 km ENE of Mutsu, Japan | M5.9 | 108 km | 59 km |
| May 23, 2012 | 72 km E of Mutsu, Japan | M5.9 | 105 km | 46 km |
| Sep 3, 1998 | 19 km W of Shizukuishi, Japan | M5.9 | 135 km | 38 km |
| Sep 26, 2017 | 73 km ESE of Hachinohe, Japan | M5.8 | 134 km | 37 km |
| Mar 11, 2011 | 18 km E of Misawa, Japan | M5.8 | 61 km | 45 km |
| Jan 30, 1998 | 70 km ENE of Mutsu, Japan | M5.8 | 108 km | 33 km |
| Sep 13, 2010 | 68 km ENE of Mutsu, Japan | M5.8 | 107 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 | 69 mph | 60 km |
| 2000 | Kirogi | Category 1 | 63 mph | 256 km |
| 1998 | Vicki | Category 1 | 58 mph | 102 km |
| 1995 | Ryan | Category 1 | 40 mph | 272 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 | 148 km |
| 1640 | SE. HOKKAIDO ISLAND | Explosion | 8.0 m | 700 | 130 km |
| 1763 | SANRIKU | Earthquake | 5.0 m | — | 89 km |
| 1793 | W. OFF AOMORI | Earthquake | 1.8 m | 12 | 85 km |
| 1810 | NW. HONSHU ISLAND | Earthquake | 1.0 m | 57 | 144 km |
| 2025 | OFF NORTHEAST COAST HONSHU | Earthquake | 0.7 m | — | 103 km |
| 1901 | OFF NORTHEAST COAST HONSHU | Earthquake | 0.6 m | — | 138 km |
| 1912 | SANRIKU | Earthquake | 0.5 m | — | 100 km |
| 1945 | SANRIKU | Earthquake | 0.4 m | 2 | 96 km |
| 1931 | SANRIKU | Earthquake | 0.4 m | — | 133 km |
| 1960 | SANRIKU | Earthquake | 0.3 m | — | 148 km |
| 1901 | OFF NORTHEAST COAST HONSHU | Earthquake | 0.3 m | 18 | 119 km |
| 1901 | OFF NORTHEAST COAST HONSHU | Earthquake | 0.0 m | — | 138 km |
| 1766 | SANRIKU | Earthquake | — | 1,700 | 22 km |
| 1763 | SANRIKU, HACHIONHE | Earthquake | — | — | 91 km |
| 1763 | N. SANRIKU | Earthquake | — | — | 130 km |
| 1341 | JUSANKO, TSUGARU AOMORI PREFECTURE | Earthquake | — | 2,600 | 123 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km. Closest: Hakkodasan (30 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Hakkodasan | Stratovolcano(es) | 1,585 m (5,200 ft) | 1550 | 30 km |
| Osorezan | Stratovolcano | 878 m (2,881 ft) | 1787 | 42 km |
| Towada | Caldera | 1,011 m (3,317 ft) | 915 | 46 km |
| Iwakisan | Stratovolcano | 1,625 m (5,331 ft) | 1863 | 62 km |
| Esan | Lava dome(s) | 618 m (2,028 ft) | 1874 | 100 km |
| Hachimantai | Stratovolcano | 1,613 m (5,292 ft) | -5350 | 107 km |
| Akita-Yakeyama | Stratovolcano | 1,366 m (4,482 ft) | 1997 | 108 km |
| Iwatesan | Complex | 2,038 m (6,686 ft) | 1919 | 119 km |
| Hokkaido-Komagatake | Stratovolcano | 1,131 m (3,711 ft) | 2000 | 129 km |
| Akita-Komagatake | Stratovolcano(es) | 1,637 m (5,371 ft) | 1971 | 130 km |
| Oshima-Oshima | Stratovolcano | 732 m (2,402 ft) | 1790 | 148 km |
| Megata | Maar(s) | 291 m (955 ft) | -2050 | 150 km |
| Kuttara | Stratovolcano(es) | 549 m (1,801 ft) | 1820 | 176 km |
| Toya | Stratovolcano | 733 m (2,405 ft) | 2001 | 181 km |
| Shikotsu | Caldera | 1,320 m (4,331 ft) | 1979 | 200 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 28°F (-2°C) | 4.3 in | Coldest |
| February | 29°F (-2°C) | 3.5 in | |
| March | 34°F (1°C) | 3.0 in | |
| April | 45°F (7°C) | 2.8 in | Driest |
| May | 54°F (12°C) | 3.0 in | |
| June | 61°F (16°C) | 3.5 in | |
| July | 68°F (20°C) | 4.5 in | |
| August | 72°F (22°C) | 5.5 in | Warmest |
| September | 65°F (18°C) | 5.8 in | Wettest |
| October | 54°F (12°C) | 4.3 in | |
| November | 43°F (6°C) | 4.4 in | |
| December | 33°F (1°C) | 4.3 in |
Hiranai has a seasonal temperature swing of 43°F / from 28°F in January to 72°F in August. Total annual precipitation is 48.6 inches, with September being the wettest month (5.8") and April the driest (2.8").