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Weather & Climate in Shimokawauchi, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Shimokawauchi experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 30°F in January while summers reach 68°F in July. The area gets 240 sunny days per year, above the national average. Annual precipitation totals 52.9 inches (wetter than the 38-inch national average). The area receives 6.1 inches of snow annually. The city sits at an elevation of 1,503 feet.
Temperature
30°F Jan (-1°C)
68°F Jul (20°C)
| Annual Average | 49.7°F |
| 8% below US avg | |
| January Average | 30°F (-1°C) |
| July Average | 68°F (20°C) |
| Sunny Days | 240 days/yr |
Geography
| Elevation | 1,503 ft (458 m) |
| Area | 26.4 sq mi (68.4 km²) |
| Population Density | 77/sq mi |
| Coordinates | 37.3333°N, 140.8333°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
3,575 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.9.
| Mar 11, 2011 | 47 km E of ?arai, Japan | M7.9 | 120 km | 43 km |
| Mar 16, 2022 | 57 km ENE of Namie, Japan | M7.3 | 78 km | 41 km |
| Apr 7, 2011 | 29 km ESE of Ishinomaki, Japan | M7.1 | 124 km | 42 km |
| Feb 13, 2021 | 73 km ENE of Namie, Japan | M7.1 | 94 km | 44 km |
| Mar 20, 2021 | 30 km E of Ishinomaki, Japan | M7.0 | 143 km | 43 km |
| Jul 19, 2008 | 107 km E of Namie, Japan | M7.0 | 124 km | 22 km |
| May 7, 2008 | 78 km NE of Hasaki, Japan | M6.9 | 144 km | 27 km |
| May 1, 2021 | 30 km SSE of Onagawa Ch?, Japan | M6.9 | 117 km | 43 km |
| Feb 16, 1996 | 123 km E of Namie, Japan | M6.7 | 137 km | 41 km |
| Apr 11, 2011 | 17 km SSW of Ishikawa, Japan | M6.6 | 53 km | 11 km |
| Jul 11, 2014 | 139 km ESE of Namie, Japan | M6.5 | 148 km | 20 km |
| Mar 14, 2010 | 59 km ENE of Namie, Japan | M6.5 | 81 km | 32 km |
| Mar 11, 2011 | 81 km NE of Hasaki, Japan | M6.5 | 145 km | 7 km |
| Mar 11, 2011 | 108 km ESE of Kitaibaraki, Japan | M6.4 | 138 km | 32 km |
| Aug 4, 2019 | 61 km ENE of Namie, Japan | M6.3 | 83 km | 38 km |
| Jul 24, 2011 | 43 km NE of Namie, Japan | M6.3 | 66 km | 40 km |
| Mar 11, 2011 | near the east coast of Honshu, Japan | M6.3 | 121 km | 25 km |
| Jul 30, 2011 | 13 km SSE of Iwaki, Japan | M6.3 | 45 km | 38 km |
| Mar 11, 2011 | 30 km NNE of Namie, Japan | M6.3 | 52 km | 32 km |
| Mar 11, 2011 | 103 km E of Namie, Japan | M6.3 | 121 km | 51 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
22 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Ampil | Category 3 | 98 mph | 244 km |
| 2024 | Jebi | Category 1 | 75 mph | 222 km |
| 2019 | Faxai | Category 2 | 92 mph | 97 km |
| 2019 | Hagibis | Category 1 | 81 mph | 57 km |
| 2018 | Shanshan | Category 1 | 75 mph | 283 km |
| 2016 | Lionrock | Category 1 | 81 mph | 224 km |
| 2011 | Roke | Category 1 | 86 mph | 216 km |
| 2007 | Fitow | Category 1 | 75 mph | 242 km |
| 2005 | Mawar | Category 2 | 75 mph | 144 km |
| 2004 | Ma-on | Category 3 | 92 mph | 84 km |
| 2002 | Higos | Category 1 | 81 mph | 96 km |
| 2001 | Danas | Category 1 | 63 mph | 111 km |
| 2000 | Sonamu | Category 1 | 63 mph | 245 km |
| 2000 | Kirogi | Category 1 | 81 mph | 102 km |
| 1998 | Vicki | Category 2 | 63 mph | 181 km |
| 1998 | Stella | Category 1 | 69 mph | 162 km |
| 1996 | Violet | Category 1 | 81 mph | 155 km |
| 1996 | Dan | Category 1 | 58 mph | 272 km |
| 1995 | Oscar | Category 4 | 98 mph | 202 km |
| 1993 | Vernon | Category 1 | 75 mph | 61 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
20 tsunamis recorded within 500 km. Highest wave on record: 5.0 m (16 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1835 | SANRIKU | Earthquake | 5.0 m | — | 113 km |
| 2016 | E. COAST HONSHU ISLAND | Earthquake | 1.4 m | — | 49 km |
| 1938 | OFF FUKUSHIMA PREFECTURE | Earthquake | 1.3 m | — | 87 km |
| 1938 | OFF FUKUSHIMA PREFECTURE | Earthquake | 1.3 m | — | 85 km |
| 1897 | SANRIKU | Earthquake | 1.0 m | — | 127 km |
| 1938 | JAPAN TRENCH | Earthquake | 0.8 m | — | 87 km |
| 1959 | SANRIKU | Earthquake | 0.8 m | — | 122 km |
| 1938 | SANRIKU | Earthquake | 0.8 m | — | 70 km |
| 1978 | SANRIKU | Earthquake | 0.6 m | 28 | 142 km |
| 1938 | SANRIKU | Earthquake | 0.6 m | 1 | 81 km |
| 1938 | SANRIKU | Earthquake | 0.6 m | — | 78 km |
| 1982 | IBARAKI, JAPAN | Earthquake | 0.4 m | — | 148 km |
| 2022 | OFF FUKUSHIMA PREFECTURE | Earthquake | 0.3 m | 4 | 78 km |
| 1938 | SANRIKU | Earthquake | 0.3 m | — | 133 km |
| 1896 | KASHIMA, JAPAN | Earthquake | 0.3 m | — | 94 km |
| 2014 | SANRIKU | Earthquake | 0.2 m | — | 148 km |
| 2008 | OFF EAST COAST OF HONSHU ISLAND | Earthquake | 0.2 m | — | 124 km |
| 1938 | SANRIKU | Earthquake | 0.2 m | — | 127 km |
| 1935 | JAPAN | Earthquake | 0.2 m | — | 96 km |
| 2021 | OFF FUKUSHIMA PREFECTURE | Earthquake | 0.1 m | 1 | 93 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
14 volcanoes within 200 km. Closest: Adatarayama (60 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Adatarayama | Stratovolcano(es) | 1,728 m (5,669 ft) | 1996 | 60 km |
| Azumayama | Stratovolcano(es) | 1,949 m (6,394 ft) | 1977 | 69 km |
| Bandaisan | Stratovolcano | 1,816 m (5,958 ft) | 1888 | 74 km |
| Nasudake | Stratovolcano(es) | 1,915 m (6,283 ft) | 1963 | 81 km |
| Zaozan [Zaosan] | Complex | 1,841 m (6,040 ft) | 1940 | 97 km |
| Takaharayama | Stratovolcano | 1,795 m (5,889 ft) | -4570 | 105 km |
| Numazawa | Shield | 835 m (2,740 ft) | -3400 | 113 km |
| Omanago Group | Lava dome(s) | 2,341 m (7,680 ft) | -3050 | 132 km |
| Nantaisan | Stratovolcano | 2,486 m (8,156 ft) | -9540 | 135 km |
| Nikko-Shiranesan | Shield | 2,578 m (8,458 ft) | 1952 | 142 km |
| Hiuchigatake | Stratovolcano | 2,356 m (7,730 ft) | 1544 | 144 km |
| Naruko | Caldera | 470 m (1,542 ft) | 837 | 155 km |
| Akagisan | Stratovolcano | 1,828 m (5,997 ft) | Unknown | 169 km |
| Kurikomayama | Stratovolcano | 1,627 m (5,338 ft) | 1950 | 181 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 1.2 in | Coldest, Driest |
| February | 31°F (-1°C) | 1.9 in | |
| March | 36°F (2°C) | 3.1 in | |
| April | 46°F (8°C) | 4.4 in | |
| May | 55°F (13°C) | 4.9 in | |
| June | 61°F (16°C) | 6.5 in | |
| July | 68°F (20°C) | 6.1 in | |
| August | 71°F (22°C) | 7.3 in | Warmest |
| September | 64°F (18°C) | 7.9 in | Wettest |
| October | 54°F (12°C) | 5.7 in | |
| November | 44°F (7°C) | 2.6 in | |
| December | 36°F (2°C) | 1.4 in |
Shimokawauchi has a seasonal temperature swing of 41°F / from 30°F in January to 71°F in August. Total annual precipitation is 52.9 inches, with September being the wettest month (7.9") and January the driest (1.2").