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Weather & Climate in Kasamatsuchō, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Kasamatsuchō enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 39°F in January while summers reach 79°F in July. The area gets 194 sunny days per year. Annual precipitation totals 78.1 inches (wetter than the 38-inch national average). The city sits at an elevation of 13 feet.
Temperature
39°F Jan (4°C)
79°F Jul (26°C)
| Annual Average | 59.1°F |
| 9% above US avg | |
| January Average | 39°F (4°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 194 days/yr |
Geography
| Elevation | 13 ft (4 m) |
| Area | 4.0 sq mi (10.3 km²) |
| Population Density | 5,596/sq mi |
| Coordinates | 35.3667°N, 136.7667°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
468 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.1.
| Apr 11, 1990 | 11 km ENE of Maizuru, Japan | M6.1 | 120 km | 362 km |
| May 23, 1997 | 38 km SSE of Tahara, Japan | M5.8 | 129 km | 11 km |
| Mar 16, 1997 | 5 km NE of Toyokawa, Japan | M5.6 | 84 km | 36 km |
| Nov 18, 2013 | 25 km SE of Toba, Japan | M5.6 | 118 km | 328 km |
| Apr 21, 2000 | 27 km NNE of Maizuru, Japan | M5.5 | 121 km | 347 km |
| Jun 17, 2018 | near the south coast of western Honshu, Japan | M5.5 | 119 km | 10 km |
| Aug 15, 1998 | 22 km WSW of Hotaka, Japan | M5.5 | 128 km | 10 km |
| Oct 30, 2000 | western Honshu, Japan | M5.5 | 129 km | 35 km |
| Aug 26, 2010 | 25 km ENE of Katsuyama, Japan | M5.4 | 83 km | 278 km |
| Apr 3, 2001 | 10 km NE of Mori, Japan | M5.4 | 125 km | 33 km |
| Sep 24, 2003 | 5 km WNW of Ayabe, Japan | M5.4 | 143 km | 372 km |
| Oct 5, 2011 | 24 km W of ?machi, Japan | M5.3 | 144 km | 10 km |
| Jan 6, 2004 | 36 km S of Ise, Japan | M5.3 | 135 km | 33 km |
| May 9, 2022 | 7 km NE of Toba, Japan | M5.3 | 93 km | 329 km |
| Oct 5, 2011 | eastern Honshu, Japan | M5.2 | 137 km | 13 km |
| Apr 23, 2020 | 18 km WNW of Shiojiri, Japan | M5.2 | 127 km | 10 km |
| Jun 24, 2017 | 31 km ENE of Gero, Japan | M5.2 | 91 km | 10 km |
| May 28, 2005 | 37 km SSW of Hamamatsu, Japan | M5.2 | 130 km | 296 km |
| Apr 22, 1998 | 18 km SE of Hikone, Japan | M5.2 | 39 km | 33 km |
| May 19, 2020 | 18 km WSW of Hotaka, Japan | M5.2 | 132 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
44 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2023 | Lan | Category 1 | 69 mph | 210 km |
| 2019 | Faxai | Category 4 | 98 mph | 242 km |
| 2019 | Hagibis | Category 2 | 92 mph | 196 km |
| 2018 | Jebi | Category 2 | 98 mph | 107 km |
| 2018 | Trami | Category 1 | 92 mph | 209 km |
| 2018 | Cimaron | Category 1 | 86 mph | 207 km |
| 2018 | Jongdari | Category 1 | 81 mph | 101 km |
| 2017 | Lan | Category 1 | 98 mph | 222 km |
| 2017 | Noru | Category 1 | 69 mph | 215 km |
| 2016 | Mindulle | Category 1 | 75 mph | 276 km |
| 2014 | Phanfone | Category 1 | 86 mph | 120 km |
| 2011 | Roke | Category 3 | 92 mph | 107 km |
| 2011 | Ma-on | Category 1 | 86 mph | 279 km |
| 2009 | Melor | Category 1 | 86 mph | 153 km |
| 2008 | Sinlaku | Category 1 | 75 mph | 208 km |
| 2007 | Fitow | Category 1 | 81 mph | 204 km |
| 2005 | Mawar | Category 2 | 86 mph | 199 km |
| 2004 | Ma-on | Category 4 | 92 mph | 183 km |
| 2004 | Chaba | Category 1 | 69 mph | 212 km |
| 2003 | Etau | Category 2 | 86 mph | 58 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
9 tsunamis recorded within 500 km. Highest wave on record: 3.0 m (10 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1855 | ENSHUNADA | Earthquake | 3.0 m | — | 123 km |
| 1909 | ANEGAWA, JAPAN | Earthquake | 1.8 m | 41 | 43 km |
| 1945 | TOKAIDO | Earthquake | 1.0 m | 2,306 | 84 km |
| 1799 | SW. HONSHU ISLAND | Earthquake | — | — | 138 km |
| 1726 | KATSUYAMA | Earthquake | — | — | 125 km |
| 1666 | AICHI PREFECTURE | Earthquake | — | — | 41 km |
| 1589 | SURUGA, JAPAN | Earthquake | — | — | 145 km |
| 1586 | ISE BAY | Earthquake | — | 8,000 | 41 km |
| 701 | SEA OF JAPAN | Earthquake | — | — | 129 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
9 volcanoes within 200 km. Closest: Ontakesan (87 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Ontakesan | Complex | 3,067 m (10,062 ft) | 2014 | 87 km |
| Hakusan | Stratovolcano | 2,702 m (8,865 ft) | 1659 | 88 km |
| Norikuradake | Stratovolcano(es) | 3,026 m (9,928 ft) | -50 | 109 km |
| Yakedake | Stratovolcano(es) | 2,455 m (8,054 ft) | 1995 | 121 km |
| Washiba-Kumonotaira | Shield(s) | 2,924 m (9,593 ft) | Unknown | 138 km |
| Midagahara | Stratovolcano | 2,621 m (8,599 ft) | 1839 | 153 km |
| Yokodake | Stratovolcano(es) | 2,480 m (8,136 ft) | 1200 | 162 km |
| Fujisan | Stratovolcano | 3,776 m (12,388 ft) | 1708 | 178 km |
| Asamayama | Complex | 2,568 m (8,425 ft) | 2019 | 196 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 39°F (4°C) | 3.0 in | Coldest |
| February | 40°F (4°C) | 3.6 in | |
| March | 46°F (8°C) | 5.4 in | |
| April | 56°F (14°C) | 7.6 in | |
| May | 65°F (18°C) | 7.5 in | |
| June | 72°F (22°C) | 11.0 in | |
| July | 79°F (26°C) | 11.1 in | Wettest |
| August | 81°F (27°C) | 7.1 in | Warmest |
| September | 74°F (23°C) | 10.0 in | |
| October | 63°F (17°C) | 5.5 in | |
| November | 53°F (11°C) | 3.9 in | |
| December | 43°F (6°C) | 2.6 in | Driest |
Kasamatsuchō has a seasonal temperature swing of 42°F / from 39°F in January to 81°F in August. Total annual precipitation is 78.1 inches, with July being the wettest month (11.1") and December the driest (2.6").