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Weather & Climate in Yanagawamachi-saiwaichō, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Yanagawamachi-saiwaichō experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 33°F in January while summers reach 72°F in July. The area gets 250 sunny days per year, above the national average. Annual precipitation totals 47.5 inches (wetter than the 38-inch national average). The area receives 4.1 inches of snow annually. The city sits at an elevation of 144 feet.
Temperature
33°F Jan (0°C)
72°F Jul (22°C)
| Annual Average | 52.8°F |
| 2% below US avg | |
| January Average | 33°F (0°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 250 days/yr |
Geography
| Elevation | 144 ft (44 m) |
| Area | 32.0 sq mi (82.9 km²) |
| Population Density | 650/sq mi |
| Coordinates | 37.8500°N, 140.6000°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
2,642 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.3.
| Mar 16, 2022 | 57 km ENE of Namie, Japan | M7.3 | 87 km | 41 km |
| Feb 13, 2021 | 73 km ENE of Namie, Japan | M7.1 | 104 km | 44 km |
| Apr 7, 2011 | 29 km ESE of Ishinomaki, Japan | M7.1 | 99 km | 42 km |
| Mar 20, 2021 | 30 km E of Ishinomaki, Japan | M7.0 | 113 km | 43 km |
| May 26, 2003 | 27 km SSW of ?funato, Japan | M7.0 | 140 km | 68 km |
| Jul 19, 2008 | 107 km E of Namie, Japan | M7.0 | 146 km | 22 km |
| Jun 13, 2008 | 24 km WSW of Mizusawa, Japan | M6.9 | 134 km | 8 km |
| May 1, 2021 | 30 km SSE of Onagawa Ch?, Japan | M6.9 | 96 km | 43 km |
| Apr 11, 2011 | 17 km SSW of Ishikawa, Japan | M6.6 | 96 km | 11 km |
| Mar 14, 2010 | 59 km ENE of Namie, Japan | M6.5 | 88 km | 32 km |
| Jun 18, 2019 | 31 km WSW of Tsuruoka, Japan | M6.4 | 132 km | 12 km |
| Mar 11, 2011 | 103 km E of Namie, Japan | M6.3 | 139 km | 51 km |
| Jul 24, 2011 | 43 km NE of Namie, Japan | M6.3 | 71 km | 40 km |
| Jul 30, 2011 | 13 km SSE of Iwaki, Japan | M6.3 | 106 km | 38 km |
| Aug 4, 2019 | 61 km ENE of Namie, Japan | M6.3 | 89 km | 38 km |
| Mar 11, 2011 | 30 km NNE of Namie, Japan | M6.3 | 54 km | 32 km |
| Aug 19, 2011 | 61 km ENE of Namie, Japan | M6.2 | 95 km | 47 km |
| Mar 11, 2011 | 61 km ESE of Namie, Japan | M6.2 | 113 km | 40 km |
| Mar 27, 2011 | 62 km E of Ishinomaki, Japan | M6.2 | 139 km | 19 km |
| May 13, 2011 | 31 km ESE of Namie, Japan | M6.1 | 83 km | 35 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
20 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Ampil | Category 3 | 98 mph | 298 km |
| 2024 | Jebi | Category 1 | 75 mph | 257 km |
| 2019 | Faxai | Category 2 | 92 mph | 152 km |
| 2019 | Hagibis | Category 1 | 81 mph | 106 km |
| 2016 | Lionrock | Category 1 | 75 mph | 281 km |
| 2011 | Roke | Category 1 | 81 mph | 250 km |
| 2007 | Fitow | Category 1 | 75 mph | 280 km |
| 2005 | Mawar | Category 2 | 75 mph | 203 km |
| 2004 | Ma-on | Category 3 | 81 mph | 141 km |
| 2002 | Higos | Category 1 | 81 mph | 43 km |
| 2001 | Danas | Category 1 | 63 mph | 162 km |
| 2000 | Sonamu | Category 1 | 63 mph | 271 km |
| 2000 | Kirogi | Category 1 | 81 mph | 123 km |
| 1998 | Vicki | Category 2 | 63 mph | 127 km |
| 1998 | Stella | Category 1 | 63 mph | 200 km |
| 1996 | Violet | Category 1 | 81 mph | 212 km |
| 1995 | Oscar | Category 3 | 98 mph | 254 km |
| 1993 | Vernon | Category 1 | 75 mph | 107 km |
| 1981 | Thad | Category 1 | — | 211 km |
| 1981 | Gay | Category 1 | 75 mph | 232 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
20 tsunamis recorded within 500 km. Highest wave on record: 5.8 m (19 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1964 | NW. HONSHU ISLAND | Earthquake | 5.8 m | 36 | 134 km |
| 1835 | SANRIKU | Earthquake | 5.0 m | — | 114 km |
| 1861 | OFF MIYAGI | Earthquake | 3.9 m | — | 142 km |
| 2008 | ARATOZAWA, JAPAN | Eruption + Earthquake | 2.5 m | 23 | 134 km |
| 2016 | E. COAST HONSHU ISLAND | Earthquake | 1.4 m | — | 86 km |
| 1938 | OFF FUKUSHIMA PREFECTURE | Earthquake | 1.3 m | — | 113 km |
| 1938 | OFF FUKUSHIMA PREFECTURE | Earthquake | 1.3 m | — | 136 km |
| 1897 | SANRIKU | Earthquake | 1.0 m | — | 117 km |
| 1804 | NW. HONSHU ISLAND | Earthquake | 1.0 m | 450 | 145 km |
| 1938 | JAPAN TRENCH | Earthquake | 0.8 m | — | 146 km |
| 1959 | SANRIKU | Earthquake | 0.8 m | — | 146 km |
| 1938 | SANRIKU | Earthquake | 0.8 m | — | 124 km |
| 1936 | SANRIKU | Earthquake | 0.7 m | — | 145 km |
| 1978 | SANRIKU | Earthquake | 0.6 m | 28 | 131 km |
| 1938 | SANRIKU | Earthquake | 0.6 m | 1 | 128 km |
| 1938 | SANRIKU | Earthquake | 0.6 m | — | 121 km |
| 2022 | OFF FUKUSHIMA PREFECTURE | Earthquake | 0.3 m | 4 | 87 km |
| 2008 | OFF EAST COAST OF HONSHU ISLAND | Earthquake | 0.2 m | — | 146 km |
| 2019 | NIIGATA | Earthquake | 0.1 m | — | 132 km |
| 2021 | OFF FUKUSHIMA PREFECTURE | Earthquake | 0.1 m | 1 | 102 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km. Closest: Azumayama (34 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Azumayama | Stratovolcano(es) | 1,949 m (6,394 ft) | 1977 | 34 km |
| Zaozan [Zaosan] | Complex | 1,841 m (6,040 ft) | 1940 | 36 km |
| Adatarayama | Stratovolcano(es) | 1,728 m (5,669 ft) | 1996 | 36 km |
| Bandaisan | Stratovolcano | 1,816 m (5,958 ft) | 1888 | 54 km |
| Nasudake | Stratovolcano(es) | 1,915 m (6,283 ft) | 1963 | 98 km |
| Naruko | Caldera | 470 m (1,542 ft) | 837 | 98 km |
| Numazawa | Shield | 835 m (2,740 ft) | -3400 | 102 km |
| Kurikomayama | Stratovolcano | 1,627 m (5,338 ft) | 1950 | 125 km |
| Takaharayama | Stratovolcano | 1,795 m (5,889 ft) | -4570 | 128 km |
| Chokaisan | Stratovolcano(es) | 2,236 m (7,336 ft) | 1974 | 147 km |
| Omanago Group | Lava dome(s) | 2,341 m (7,680 ft) | -3050 | 152 km |
| Hiuchigatake | Stratovolcano | 2,356 m (7,730 ft) | 1544 | 153 km |
| Nantaisan | Stratovolcano | 2,486 m (8,156 ft) | -9540 | 156 km |
| Nikko-Shiranesan | Shield | 2,578 m (8,458 ft) | 1952 | 159 km |
| Akagisan | Stratovolcano | 1,828 m (5,997 ft) | Unknown | 190 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 33°F (0°C) | 1.9 in | Coldest, Driest |
| February | 33°F (1°C) | 2.1 in | |
| March | 38°F (4°C) | 2.7 in | |
| April | 50°F (10°C) | 3.3 in | |
| May | 59°F (15°C) | 3.6 in | |
| June | 65°F (18°C) | 5.2 in | |
| July | 72°F (22°C) | 6.1 in | |
| August | 75°F (24°C) | 6.4 in | Warmest |
| September | 67°F (20°C) | 6.7 in | Wettest |
| October | 57°F (14°C) | 4.6 in | |
| November | 46°F (8°C) | 2.7 in | |
| December | 38°F (3°C) | 2.2 in |
Yanagawamachi-saiwaichō has a seasonal temperature swing of 42°F / from 33°F in January to 75°F in August. Total annual precipitation is 47.5 inches, with September being the wettest month (6.7") and January the driest (1.9").