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Weather & Climate in Hanawa, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Hanawa experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 26°F in January while summers reach 71°F in July. The area gets 232 sunny days per year, above the national average. Annual precipitation totals 57.2 inches (wetter than the 38-inch national average). The area receives 17.1 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 472 feet.
Temperature
26°F Jan (-3°C)
71°F Jul (22°C)
| Annual Average | 49.0°F |
| 9% below US avg | |
| January Average | 26°F (-3°C) |
| July Average | 71°F (22°C) |
| Sunny Days | 232 days/yr |
Geography
| Elevation | 472 ft (144 m) |
| Area | 273.2 sq mi (707.5 km²) |
| Population Density | 135/sq mi |
| Coordinates | 40.1836°N, 140.7872°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
990 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 | 118 km | 27 km |
| Jun 13, 2008 | 24 km WSW of Mizusawa, Japan | M6.9 | 129 km | 8 km |
| Jul 23, 2008 | 29 km ENE of Morioka, Japan | M6.8 | 72 km | 108 km |
| Jun 22, 2011 | 41 km NNE of Miyako, Japan | M6.7 | 123 km | 33 km |
| Dec 2, 2001 | 3 km NW of Hanamaki, Japan | M6.5 | 91 km | 124 km |
| Jul 4, 2010 | 37 km E of Miyako, Japan | M6.3 | 145 km | 27 km |
| Mar 17, 2011 | 57 km NNE of Miyako, Japan | M6.2 | 118 km | 29 km |
| Mar 27, 2012 | 24 km NNE of Miyako, Japan | M6.1 | 111 km | 15 km |
| Dec 31, 1994 | 81 km NE of Miyako, Japan | M6.0 | 149 km | 43 km |
| Aug 10, 1996 | 25 km NE of Shinj?, Japan | M6.0 | 143 km | 10 km |
| Jan 7, 1995 | 76 km NNE of Miyako, Japan | M6.0 | 134 km | 32 km |
| Apr 1, 2011 | 6 km SE of ?tsuchi, Japan | M5.9 | 138 km | 41 km |
| Apr 1, 2024 | 7 km SW of Kuji, Japan | M5.9 | 78 km | 73 km |
| Sep 3, 1998 | 19 km W of Shizukuishi, Japan | M5.9 | 52 km | 38 km |
| Mar 11, 2011 | 31 km N of T?no, Japan | M5.8 | 94 km | 35 km |
| Apr 16, 2008 | 6 km ENE of Yuza, Japan | M5.8 | 145 km | 166 km |
| Mar 20, 2011 | 6 km WSW of ?tsuchi, Japan | M5.8 | 128 km | 42 km |
| Mar 11, 2011 | 18 km E of Misawa, Japan | M5.8 | 88 km | 45 km |
| Sep 26, 2017 | 73 km ESE of Hachinohe, Japan | M5.8 | 133 km | 37 km |
| Mar 16, 2011 | 27 km NNE of Miyako, Japan | M5.7 | 110 km | 36 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 | 237 km |
| 2002 | Higos | Category 1 | 75 mph | 63 km |
| 2000 | Kirogi | Category 1 | 63 mph | 210 km |
| 1998 | Vicki | Category 1 | 58 mph | 61 km |
| 1995 | Ryan | Category 1 | 40 mph | 233 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
19 tsunamis recorded within 500 km. Highest wave on record: 14.9 m (49 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1983 | NOSHIRO, JAPAN | Earthquake | 14.9 m | 104 | 146 km |
| 1763 | SANRIKU | Earthquake | 5.0 m | — | 123 km |
| 2008 | ARATOZAWA, JAPAN | Eruption + Earthquake | 2.5 m | 23 | 129 km |
| 1793 | W. OFF AOMORI | Earthquake | 1.8 m | 12 | 103 km |
| 1939 | NW. HONSHU ISLAND | Earthquake | 1.2 m | 27 | 110 km |
| 1810 | NW. HONSHU ISLAND | Earthquake | 1.0 m | 57 | 82 km |
| 1804 | NW. HONSHU ISLAND | Earthquake | 1.0 m | 450 | 145 km |
| 2025 | OFF NORTHEAST COAST HONSHU | Earthquake | 0.7 m | — | 148 km |
| 1901 | OFF NORTHEAST COAST HONSHU | Earthquake | 0.6 m | — | 149 km |
| 1912 | SANRIKU | Earthquake | 0.5 m | — | 109 km |
| 1945 | SANRIKU | Earthquake | 0.4 m | 2 | 137 km |
| 1960 | SANRIKU | Earthquake | 0.3 m | — | 146 km |
| 1901 | OFF NORTHEAST COAST HONSHU | Earthquake | 0.3 m | 18 | 136 km |
| 1901 | OFF NORTHEAST COAST HONSHU | Earthquake | 0.0 m | — | 149 km |
| 1766 | SANRIKU | Earthquake | — | 1,700 | 80 km |
| 1763 | SANRIKU, HACHIONHE | Earthquake | — | — | 118 km |
| 1644 | HONJO, AKITA | Earthquake | — | 117 | 105 km |
| 1341 | JUSANKO, TSUGARU AOMORI PREFECTURE | Earthquake | — | 2,600 | 142 km |
| 1088 | MIYAKO, IWATE PREFECTURE | Earthquake | — | — | 117 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
14 volcanoes within 200 km. Closest: Akita-Yakeyama (25 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Akita-Yakeyama | Stratovolcano | 1,366 m (4,482 ft) | 1997 | 25 km |
| Hachimantai | Stratovolcano | 1,613 m (5,292 ft) | -5350 | 26 km |
| Towada | Caldera | 1,011 m (3,317 ft) | 915 | 37 km |
| Iwatesan | Complex | 2,038 m (6,686 ft) | 1919 | 41 km |
| Akita-Komagatake | Stratovolcano(es) | 1,637 m (5,371 ft) | 1971 | 47 km |
| Hakkodasan | Stratovolcano(es) | 1,585 m (5,200 ft) | 1550 | 53 km |
| Iwakisan | Stratovolcano | 1,625 m (5,331 ft) | 1863 | 67 km |
| Megata | Maar(s) | 291 m (955 ft) | -2050 | 94 km |
| Osorezan | Stratovolcano | 878 m (2,881 ft) | 1787 | 125 km |
| Kurikomayama | Stratovolcano | 1,627 m (5,338 ft) | 1950 | 136 km |
| Chokaisan | Stratovolcano(es) | 2,236 m (7,336 ft) | 1974 | 136 km |
| Naruko | Caldera | 470 m (1,542 ft) | 837 | 162 km |
| Esan | Lava dome(s) | 618 m (2,028 ft) | 1874 | 183 km |
| Oshima-Oshima | Stratovolcano | 732 m (2,402 ft) | 1790 | 190 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 26°F (-3°C) | 4.6 in | Coldest |
| February | 27°F (-3°C) | 3.8 in | |
| March | 33°F (1°C) | 3.5 in | |
| April | 45°F (7°C) | 3.7 in | |
| May | 56°F (13°C) | 3.4 in | Driest |
| June | 63°F (17°C) | 4.3 in | |
| July | 71°F (22°C) | 6.3 in | |
| August | 74°F (23°C) | 6.2 in | Warmest |
| September | 65°F (18°C) | 6.4 in | Wettest |
| October | 53°F (12°C) | 4.8 in | |
| November | 42°F (6°C) | 5.0 in | |
| December | 32°F (-0°C) | 5.2 in |
Hanawa has a seasonal temperature swing of 48°F / from 26°F in January to 74°F in August. Total annual precipitation is 57.3 inches, with September being the wettest month (6.4") and May the driest (3.4").