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Weather & Climate in Shiogama, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Shiogama experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 35°F in January while summers reach 71°F in July. The area gets 253 sunny days per year, above the national average. Annual precipitation totals 45.6 inches. The area receives 3.3 inches of snow annually. The city sits at an elevation of 7 feet.
Temperature
35°F Jan (2°C)
71°F Jul (22°C)
| Annual Average | 53.8°F |
| 0% below US avg | |
| January Average | 35°F (2°C) |
| July Average | 71°F (22°C) |
| Sunny Days | 253 days/yr |
Geography
| Elevation | 7 ft (2 m) |
| Area | 6.7 sq mi (17.4 km²) |
| Population Density | 7,848/sq mi |
| Coordinates | 38.3167°N, 141.0333°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
2,758 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M9.1.
| Mar 11, 2011 | 2011 Great Tohoku Earthquake, Japan | M9.1 | 117 km | 29 km |
| Mar 16, 2022 | 57 km ENE of Namie, Japan | M7.3 | 82 km | 41 km |
| Apr 7, 2011 | 29 km ESE of Ishinomaki, Japan | M7.1 | 49 km | 42 km |
| Feb 13, 2021 | 73 km ENE of Namie, Japan | M7.1 | 92 km | 44 km |
| Jul 19, 2008 | 107 km E of Namie, Japan | M7.0 | 134 km | 22 km |
| Mar 20, 2021 | 30 km E of Ishinomaki, Japan | M7.0 | 56 km | 43 km |
| Oct 31, 2003 | 133 km ESE of Ishinomaki, Japan | M7.0 | 150 km | 10 km |
| May 26, 2003 | 27 km SSW of ?funato, Japan | M7.0 | 75 km | 68 km |
| May 1, 2021 | 30 km SSE of Onagawa Ch?, Japan | M6.9 | 51 km | 43 km |
| Jun 13, 2008 | 24 km WSW of Mizusawa, Japan | M6.9 | 80 km | 8 km |
| May 12, 2015 | 32 km SE of ?funato, Japan | M6.8 | 109 km | 35 km |
| Mar 14, 2010 | 59 km ENE of Namie, Japan | M6.5 | 80 km | 32 km |
| Dec 2, 2001 | 3 km NW of Hanamaki, Japan | M6.5 | 121 km | 124 km |
| Jun 18, 2019 | 31 km WSW of Tsuruoka, Japan | M6.4 | 140 km | 12 km |
| Nov 3, 2002 | 30 km SE of ?funato, Japan | M6.4 | 104 km | 39 km |
| Aug 4, 2019 | 61 km ENE of Namie, Japan | M6.3 | 80 km | 38 km |
| Jul 24, 2011 | 43 km NE of Namie, Japan | M6.3 | 72 km | 40 km |
| Mar 11, 2011 | 30 km NNE of Namie, Japan | M6.3 | 69 km | 32 km |
| Jul 23, 2011 | 21 km SSE of ?funato, Japan | M6.3 | 94 km | 41 km |
| Apr 19, 2020 | 31 km SE of ?funato, Japan | M6.3 | 106 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 | 248 km |
| 2019 | Faxai | Category 2 | 92 mph | 171 km |
| 2019 | Hagibis | Category 1 | 75 mph | 68 km |
| 2005 | Mawar | Category 1 | 69 mph | 234 km |
| 2004 | Ma-on | Category 2 | 63 mph | 174 km |
| 2002 | Higos | Category 1 | 75 mph | 24 km |
| 2001 | Danas | Category 1 | 63 mph | 220 km |
| 2000 | Kirogi | Category 1 | 69 mph | 102 km |
| 2000 | Sonamu | Category 1 | 63 mph | 252 km |
| 1998 | Stella | Category 1 | 63 mph | 263 km |
| 1998 | Vicki | Category 1 | 58 mph | 144 km |
| 1996 | Violet | Category 1 | 81 mph | 203 km |
| 1995 | Oscar | Category 3 | 98 mph | 268 km |
| 1993 | Vernon | Category 1 | 69 mph | 131 km |
| 1981 | Thad | Category 1 | — | 271 km |
| 1981 | Gay | Category 1 | 75 mph | 257 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 | 117 km |
| 1835 | SANRIKU | Earthquake | 5.0 m | — | 89 km |
| 1861 | OFF MIYAGI | Earthquake | 3.9 m | — | 87 km |
| 2008 | ARATOZAWA, JAPAN | Eruption + Earthquake | 2.5 m | 23 | 80 km |
| 2016 | E. COAST HONSHU ISLAND | Earthquake | 1.4 m | — | 107 km |
| 1938 | OFF FUKUSHIMA PREFECTURE | Earthquake | 1.3 m | — | 113 km |
| 1897 | SANRIKU | Earthquake | 1.0 m | — | 80 km |
| 1804 | NW. HONSHU ISLAND | Earthquake | 1.0 m | 450 | 125 km |
| 1959 | SANRIKU | Earthquake | 0.8 m | — | 137 km |
| 1936 | SANRIKU | Earthquake | 0.7 m | — | 103 km |
| 1978 | SANRIKU | Earthquake | 0.6 m | 28 | 88 km |
| 1938 | SANRIKU | Earthquake | 0.6 m | 1 | 148 km |
| 1938 | SANRIKU | Earthquake | 0.6 m | — | 137 km |
| 2003 | E. HONSHU ISLAND | Earthquake | 0.3 m | — | 150 km |
| 2022 | OFF FUKUSHIMA PREFECTURE | Earthquake | 0.3 m | 4 | 82 km |
| 2008 | OFF EAST COAST OF HONSHU ISLAND | Earthquake | 0.2 m | — | 134 km |
| 1933 | SANRIKU | Earthquake | 0.2 m | — | 122 km |
| 2019 | NIIGATA | Earthquake | 0.1 m | — | 141 km |
| 2021 | OFF FUKUSHIMA PREFECTURE | Earthquake | 0.1 m | 1 | 89 km |
| 1927 | SANRIKU | Earthquake | 0.1 m | — | 96 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
14 volcanoes within 200 km. Closest: Naruko (53 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Naruko | Caldera | 470 m (1,542 ft) | 837 | 53 km |
| Zaozan [Zaosan] | Complex | 1,841 m (6,040 ft) | 1940 | 55 km |
| Kurikomayama | Stratovolcano | 1,627 m (5,338 ft) | 1950 | 75 km |
| Azumayama | Stratovolcano(es) | 1,949 m (6,394 ft) | 1977 | 95 km |
| Adatarayama | Stratovolcano(es) | 1,728 m (5,669 ft) | 1996 | 100 km |
| Bandaisan | Stratovolcano | 1,816 m (5,958 ft) | 1888 | 116 km |
| Chokaisan | Stratovolcano(es) | 2,236 m (7,336 ft) | 1974 | 122 km |
| Numazawa | Shield | 835 m (2,740 ft) | -3400 | 161 km |
| Akita-Komagatake | Stratovolcano(es) | 1,637 m (5,371 ft) | 1971 | 162 km |
| Nasudake | Stratovolcano(es) | 1,915 m (6,283 ft) | 1963 | 163 km |
| Iwatesan | Complex | 2,038 m (6,686 ft) | 1919 | 171 km |
| Hachimantai | Stratovolcano | 1,613 m (5,292 ft) | -5350 | 183 km |
| Akita-Yakeyama | Stratovolcano | 1,366 m (4,482 ft) | 1997 | 185 km |
| Takaharayama | Stratovolcano | 1,795 m (5,889 ft) | -4570 | 193 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 35°F (2°C) | 1.4 in | Coldest |
| February | 35°F (2°C) | 1.9 in | |
| March | 40°F (4°C) | 2.7 in | |
| April | 50°F (10°C) | 3.7 in | |
| May | 58°F (15°C) | 4.0 in | |
| June | 64°F (18°C) | 5.1 in | |
| July | 71°F (22°C) | 5.8 in | |
| August | 75°F (24°C) | 5.7 in | Warmest |
| September | 69°F (21°C) | 7.1 in | Wettest |
| October | 59°F (15°C) | 4.4 in | |
| November | 49°F (9°C) | 2.6 in | |
| December | 40°F (4°C) | 1.3 in | Driest |
Shiogama has a seasonal temperature swing of 40°F / from 35°F in January to 75°F in August. Total annual precipitation is 45.7 inches, with September being the wettest month (7.1") and December the driest (1.3").