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Weather & Climate in Minamisanriku, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Minamisanriku experiences four distinct seasons with an average annual temperature of 51°F (10°C). Winters average 31°F in January while summers reach 69°F in July. The area gets 248 sunny days per year, above the national average. Annual precipitation totals 48.8 inches (wetter than the 38-inch national average). The area receives 3.8 inches of snow annually. The city sits at an elevation of 13 feet.
Temperature
31°F Jan (-0°C)
69°F Jul (21°C)
| Annual Average | 50.6°F |
| 6% below US avg | |
| January Average | 31°F (-0°C) |
| July Average | 69°F (21°C) |
| Sunny Days | 248 days/yr |
Geography
| Elevation | 13 ft (4 m) |
| Area | 281.6 sq mi (729.3 km²) |
| Population Density | 43/sq mi |
| Coordinates | 38.6781°N, 141.4431°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
2,684 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M9.1.
| Mar 11, 2011 | 2011 Great Tohoku Earthquake, Japan | M9.1 | 91 km | 29 km |
| Mar 9, 2011 | 120 km SE of ?funato, Japan | M7.3 | 125 km | 32 km |
| Mar 16, 2022 | 57 km ENE of Namie, Japan | M7.3 | 108 km | 41 km |
| Apr 7, 2011 | 29 km ESE of Ishinomaki, Japan | M7.1 | 47 km | 42 km |
| Feb 13, 2021 | 73 km ENE of Namie, Japan | M7.1 | 110 km | 44 km |
| May 26, 2003 | 27 km SSW of ?funato, Japan | M7.0 | 22 km | 68 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 | 142 km | 22 km |
| Oct 31, 2003 | 133 km ESE of Ishinomaki, Japan | M7.0 | 141 km | 10 km |
| Jun 13, 2008 | 24 km WSW of Mizusawa, Japan | M6.9 | 63 km | 8 km |
| May 1, 2021 | 30 km SSE of Onagawa Ch?, Japan | M6.9 | 55 km | 43 km |
| Jul 23, 2008 | 29 km ENE of Morioka, Japan | M6.8 | 125 km | 108 km |
| May 12, 2015 | 32 km SE of ?funato, Japan | M6.8 | 57 km | 35 km |
| Mar 11, 2011 | 50 km ESE of ?tsuchi, Japan | M6.6 | 108 km | 26 km |
| Dec 2, 2001 | 3 km NW of Hanamaki, Japan | M6.5 | 86 km | 124 km |
| Mar 9, 2011 | 128 km SE of ?funato, Japan | M6.5 | 126 km | 15 km |
| Mar 14, 2010 | 59 km ENE of Namie, Japan | M6.5 | 105 km | 32 km |
| Nov 3, 2002 | 30 km SE of ?funato, Japan | M6.4 | 52 km | 39 km |
| Apr 19, 2020 | 31 km SE of ?funato, Japan | M6.3 | 54 km | 38 km |
| Aug 4, 2019 | 61 km ENE of Namie, Japan | M6.3 | 103 km | 38 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
14 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 | 248 km |
| 2019 | Faxai | Category 1 | 86 mph | 179 km |
| 2019 | Hagibis | Category 1 | 75 mph | 62 km |
| 2005 | Mawar | Category 1 | 58 mph | 266 km |
| 2004 | Ma-on | Category 2 | 63 mph | 195 km |
| 2002 | Higos | Category 1 | 75 mph | 77 km |
| 2001 | Danas | Category 1 | 58 mph | 270 km |
| 2000 | Kirogi | Category 1 | 69 mph | 109 km |
| 2000 | Sonamu | Category 1 | 63 mph | 243 km |
| 1998 | Vicki | Category 1 | 58 mph | 158 km |
| 1996 | Violet | Category 1 | 81 mph | 195 km |
| 1995 | Oscar | Category 3 | 98 mph | 254 km |
| 1993 | Vernon | Category 1 | 69 mph | 164 km |
| 1981 | Gay | Category 1 | 75 mph | 284 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 | 91 km |
| 1835 | SANRIKU | Earthquake | 5.0 m | — | 95 km |
| 1861 | OFF MIYAGI | Earthquake | 3.9 m | — | 52 km |
| 2008 | ARATOZAWA, JAPAN | Eruption + Earthquake | 2.5 m | 23 | 63 km |
| 1846 | SANRIKU | Earthquake | 2.0 m | — | 129 km |
| 2016 | E. COAST HONSHU ISLAND | Earthquake | 1.4 m | — | 143 km |
| 1938 | OFF FUKUSHIMA PREFECTURE | Earthquake | 1.3 m | — | 135 km |
| 1962 | SANRIKU | Earthquake | 1.0 m | — | 132 km |
| 1915 | SANRIKU | Earthquake | 1.0 m | — | 134 km |
| 1897 | SANRIKU | Earthquake | 1.0 m | — | 76 km |
| 1804 | NW. HONSHU ISLAND | Earthquake | 1.0 m | 450 | 136 km |
| 1959 | SANRIKU | Earthquake | 0.8 m | — | 147 km |
| 1936 | SANRIKU | Earthquake | 0.7 m | — | 85 km |
| 2011 | HONSHU ISLAND | Earthquake | 0.6 m | — | 125 km |
| 1978 | SANRIKU | Earthquake | 0.6 m | 28 | 75 km |
| 1981 | E. HONSHU ISLAND | Earthquake | 0.4 m | — | 114 km |
| 2003 | E. HONSHU ISLAND | Earthquake | 0.3 m | — | 141 km |
| 2022 | OFF FUKUSHIMA PREFECTURE | Earthquake | 0.3 m | 4 | 108 km |
| 2008 | OFF EAST COAST OF HONSHU ISLAND | Earthquake | 0.2 m | — | 142 km |
| 1933 | SANRIKU | Earthquake | 0.2 m | — | 105 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
11 volcanoes within 200 km. Closest: Naruko (62 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Naruko | Caldera | 470 m (1,542 ft) | 837 | 62 km |
| Kurikomayama | Stratovolcano | 1,627 m (5,338 ft) | 1950 | 65 km |
| Zaozan [Zaosan] | Complex | 1,841 m (6,040 ft) | 1940 | 106 km |
| Chokaisan | Stratovolcano(es) | 2,236 m (7,336 ft) | 1974 | 129 km |
| Akita-Komagatake | Stratovolcano(es) | 1,637 m (5,371 ft) | 1971 | 133 km |
| Iwatesan | Complex | 2,038 m (6,686 ft) | 1919 | 136 km |
| Azumayama | Stratovolcano(es) | 1,949 m (6,394 ft) | 1977 | 148 km |
| Hachimantai | Stratovolcano | 1,613 m (5,292 ft) | -5350 | 151 km |
| Adatarayama | Stratovolcano(es) | 1,728 m (5,669 ft) | 1996 | 153 km |
| Akita-Yakeyama | Stratovolcano | 1,366 m (4,482 ft) | 1997 | 155 km |
| Bandaisan | Stratovolcano | 1,816 m (5,958 ft) | 1888 | 170 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-0°C) | 1.7 in | Coldest, Driest |
| February | 32°F (-0°C) | 2.1 in | |
| March | 36°F (2°C) | 2.9 in | |
| April | 47°F (8°C) | 4.2 in | |
| May | 55°F (13°C) | 4.5 in | |
| June | 62°F (17°C) | 5.2 in | |
| July | 69°F (21°C) | 6.0 in | |
| August | 73°F (23°C) | 5.9 in | Warmest |
| September | 66°F (19°C) | 6.8 in | Wettest |
| October | 55°F (13°C) | 4.8 in | |
| November | 45°F (7°C) | 2.9 in | |
| December | 36°F (2°C) | 1.8 in |
Minamisanriku has a seasonal temperature swing of 42°F / from 31°F in January to 73°F in August. Total annual precipitation is 48.8 inches, with September being the wettest month (6.8") and January the driest (1.7").