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Weather & Climate in Ishinomaki, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ishinomaki experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 33°F in January while summers reach 71°F in July. The area gets 257 sunny days per year, above the national average. Annual precipitation totals 43.7 inches. The area receives 3.5 inches of snow annually. The city sits at an elevation of 7 feet.
Temperature
33°F Jan (0°C)
71°F Jul (22°C)
| Annual Average | 52.7°F |
| 2% below US avg | |
| January Average | 33°F (0°C) |
| July Average | 71°F (22°C) |
| Sunny Days | 257 days/yr |
Geography
| Elevation | 7 ft (2 m) |
| Area | 214.1 sq mi (554.5 km²) |
| Population Density | 655/sq mi |
| Coordinates | 38.4167°N, 141.3000°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
2,847 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M9.1.
| Mar 11, 2011 | 2011 Great Tohoku Earthquake, Japan | M9.1 | 95 km | 29 km |
| Mar 9, 2011 | 120 km SE of ?funato, Japan | M7.3 | 134 km | 32 km |
| Mar 16, 2022 | 57 km ENE of Namie, Japan | M7.3 | 82 km | 41 km |
| Feb 13, 2021 | 73 km ENE of Namie, Japan | M7.1 | 87 km | 44 km |
| Apr 7, 2011 | 29 km ESE of Ishinomaki, Japan | M7.1 | 30 km | 42 km |
| Oct 31, 2003 | 133 km ESE of Ishinomaki, Japan | M7.0 | 134 km | 10 km |
| Mar 20, 2021 | 30 km E of Ishinomaki, Japan | M7.0 | 31 km | 43 km |
| Jul 19, 2008 | 107 km E of Namie, Japan | M7.0 | 125 km | 22 km |
| May 26, 2003 | 27 km SSW of ?funato, Japan | M7.0 | 53 km | 68 km |
| Jun 13, 2008 | 24 km WSW of Mizusawa, Japan | M6.9 | 77 km | 8 km |
| May 1, 2021 | 30 km SSE of Onagawa Ch?, Japan | M6.9 | 35 km | 43 km |
| May 12, 2015 | 32 km SE of ?funato, Japan | M6.8 | 84 km | 35 km |
| Mar 11, 2011 | 50 km ESE of ?tsuchi, Japan | M6.6 | 136 km | 26 km |
| Mar 9, 2011 | 128 km SE of ?funato, Japan | M6.5 | 132 km | 15 km |
| Mar 14, 2010 | 59 km ENE of Namie, Japan | M6.5 | 79 km | 32 km |
| Dec 2, 2001 | 3 km NW of Hanamaki, Japan | M6.5 | 111 km | 124 km |
| Mar 12, 2011 | 146 km E of Namie, Japan | M6.5 | 149 km | 20 km |
| Nov 3, 2002 | 30 km SE of ?funato, Japan | M6.4 | 79 km | 39 km |
| Mar 11, 2011 | 30 km NNE of Namie, Japan | M6.3 | 79 km | 32 km |
| Apr 19, 2020 | 31 km SE of ?funato, Japan | M6.3 | 81 km | 38 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
16 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Jebi | Category 1 | 75 mph | 236 km |
| 2019 | Faxai | Category 2 | 92 mph | 163 km |
| 2019 | Hagibis | Category 1 | 75 mph | 50 km |
| 2005 | Mawar | Category 1 | 58 mph | 240 km |
| 2004 | Ma-on | Category 2 | 63 mph | 181 km |
| 2002 | Higos | Category 1 | 75 mph | 50 km |
| 2001 | Danas | Category 1 | 63 mph | 238 km |
| 2000 | Kirogi | Category 1 | 69 mph | 92 km |
| 2000 | Sonamu | Category 1 | 63 mph | 237 km |
| 1998 | Stella | Category 1 | 63 mph | 284 km |
| 1998 | Vicki | Category 1 | 58 mph | 166 km |
| 1996 | Violet | Category 1 | 81 mph | 188 km |
| 1995 | Oscar | Category 3 | 98 mph | 263 km |
| 1993 | Vernon | Category 1 | 69 mph | 136 km |
| 1981 | Thad | Category 1 | — | 289 km |
| 1981 | Gay | Category 1 | 75 mph | 259 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
20 tsunamis recorded within 500 km. Highest wave on record: 39.3 m (129 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2011 | HONSHU ISLAND | Earthquake | 39.3 m | 18,423 | 95 km |
| 1835 | SANRIKU | Earthquake | 5.0 m | — | 78 km |
| 1861 | OFF MIYAGI | Earthquake | 3.9 m | — | 62 km |
| 2008 | ARATOZAWA, JAPAN | Eruption + Earthquake | 2.5 m | 23 | 77 km |
| 2016 | E. COAST HONSHU ISLAND | Earthquake | 1.4 m | — | 114 km |
| 1938 | OFF FUKUSHIMA PREFECTURE | Earthquake | 1.3 m | — | 111 km |
| 1962 | SANRIKU | Earthquake | 1.0 m | — | 132 km |
| 1915 | SANRIKU | Earthquake | 1.0 m | — | 140 km |
| 1897 | SANRIKU | Earthquake | 1.0 m | — | 63 km |
| 1804 | NW. HONSHU ISLAND | Earthquake | 1.0 m | 450 | 137 km |
| 1959 | SANRIKU | Earthquake | 0.8 m | — | 129 km |
| 1936 | SANRIKU | Earthquake | 0.7 m | — | 82 km |
| 2011 | HONSHU ISLAND | Earthquake | 0.6 m | — | 134 km |
| 1978 | SANRIKU | Earthquake | 0.6 m | 28 | 69 km |
| 1938 | SANRIKU | Earthquake | 0.6 m | — | 140 km |
| 1981 | E. HONSHU ISLAND | Earthquake | 0.4 m | — | 129 km |
| 2003 | E. HONSHU ISLAND | Earthquake | 0.3 m | — | 134 km |
| 2022 | OFF FUKUSHIMA PREFECTURE | Earthquake | 0.3 m | 4 | 82 km |
| 2008 | OFF EAST COAST OF HONSHU ISLAND | Earthquake | 0.2 m | — | 125 km |
| 1933 | SANRIKU | Earthquake | 0.2 m | — | 102 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
13 volcanoes within 200 km. Closest: Naruko (60 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Naruko | Caldera | 470 m (1,542 ft) | 837 | 60 km |
| Kurikomayama | Stratovolcano | 1,627 m (5,338 ft) | 1950 | 75 km |
| Zaozan [Zaosan] | Complex | 1,841 m (6,040 ft) | 1940 | 81 km |
| Azumayama | Stratovolcano(es) | 1,949 m (6,394 ft) | 1977 | 120 km |
| Adatarayama | Stratovolcano(es) | 1,728 m (5,669 ft) | 1996 | 124 km |
| Chokaisan | Stratovolcano(es) | 2,236 m (7,336 ft) | 1974 | 132 km |
| Bandaisan | Stratovolcano | 1,816 m (5,958 ft) | 1888 | 141 km |
| Akita-Komagatake | Stratovolcano(es) | 1,637 m (5,371 ft) | 1971 | 156 km |
| Iwatesan | Complex | 2,038 m (6,686 ft) | 1919 | 162 km |
| Hachimantai | Stratovolcano | 1,613 m (5,292 ft) | -5350 | 176 km |
| Akita-Yakeyama | Stratovolcano | 1,366 m (4,482 ft) | 1997 | 178 km |
| Nasudake | Stratovolcano(es) | 1,915 m (6,283 ft) | 1963 | 186 km |
| Numazawa | Shield | 835 m (2,740 ft) | -3400 | 187 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 33°F (0°C) | 1.5 in | Coldest |
| February | 34°F (1°C) | 1.9 in | |
| March | 39°F (4°C) | 2.7 in | |
| April | 49°F (10°C) | 3.7 in | |
| May | 58°F (14°C) | 3.9 in | |
| June | 64°F (18°C) | 4.8 in | |
| July | 71°F (22°C) | 5.3 in | |
| August | 75°F (24°C) | 5.0 in | Warmest |
| September | 68°F (20°C) | 6.2 in | Wettest |
| October | 58°F (14°C) | 4.5 in | |
| November | 47°F (8°C) | 2.6 in | |
| December | 38°F (3°C) | 1.5 in | Driest |
Ishinomaki has a seasonal temperature swing of 42°F / from 33°F in January to 75°F in August. Total annual precipitation is 43.7 inches, with September being the wettest month (6.2") and December the driest (1.5").