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Weather & Climate in Sekimachi, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sekimachi enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 39°F in January while summers reach 78°F in July. The area gets 187 sunny days per year. Annual precipitation totals 82.2 inches (wetter than the 38-inch national average). The city sits at an elevation of 167 feet.
Temperature
39°F Jan (4°C)
78°F Jul (26°C)
| Annual Average | 58.7°F |
| 9% above US avg | |
| January Average | 39°F (4°C) |
| July Average | 78°F (26°C) |
| Sunny Days | 187 days/yr |
Geography
| Elevation | 167 ft (51 m) |
| Area | 421.7 sq mi (1,092.1 km²) |
| Population Density | 202/sq mi |
| Coordinates | 35.4833°N, 136.9167°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
451 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.2.
| Aug 10, 2009 | 8 km NE of Sagara, Japan | M6.2 | 148 km | 40 km |
| Apr 11, 1990 | 11 km ENE of Maizuru, Japan | M6.1 | 133 km | 362 km |
| May 23, 1997 | 38 km SSE of Tahara, Japan | M5.8 | 134 km | 11 km |
| Nov 18, 2013 | 25 km SE of Toba, Japan | M5.6 | 128 km | 328 km |
| Mar 16, 1997 | 5 km NE of Toyokawa, Japan | M5.6 | 85 km | 36 km |
| Aug 15, 1998 | 22 km WSW of Hotaka, Japan | M5.5 | 109 km | 10 km |
| Apr 21, 2000 | 27 km NNE of Maizuru, Japan | M5.5 | 131 km | 347 km |
| Oct 30, 2000 | western Honshu, Japan | M5.5 | 146 km | 35 km |
| Jun 17, 2018 | near the south coast of western Honshu, Japan | M5.5 | 137 km | 10 km |
| Apr 3, 2001 | 10 km NE of Mori, Japan | M5.4 | 120 km | 33 km |
| Aug 26, 2010 | 25 km ENE of Katsuyama, Japan | M5.4 | 72 km | 278 km |
| Oct 5, 2011 | 24 km W of ?machi, Japan | M5.3 | 126 km | 10 km |
| Jan 6, 2004 | 36 km S of Ise, Japan | M5.3 | 150 km | 33 km |
| May 9, 2022 | 7 km NE of Toba, Japan | M5.3 | 106 km | 329 km |
| Apr 23, 2020 | 18 km WNW of Shiojiri, Japan | M5.2 | 109 km | 10 km |
| May 19, 2020 | 18 km WSW of Hotaka, Japan | M5.2 | 113 km | 10 km |
| Oct 5, 2011 | eastern Honshu, Japan | M5.2 | 120 km | 13 km |
| Oct 5, 1996 | 12 km NW of Kanaya, Japan | M5.2 | 121 km | 48 km |
| Jun 24, 2017 | 31 km ENE of Gero, Japan | M5.2 | 73 km | 10 km |
| May 28, 2005 | 37 km SSW of Hamamatsu, Japan | M5.2 | 134 km | 296 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 | 227 km |
| 2019 | Faxai | Category 4 | 98 mph | 234 km |
| 2019 | Hagibis | Category 2 | 92 mph | 190 km |
| 2018 | Jebi | Category 2 | 98 mph | 119 km |
| 2018 | Trami | Category 1 | 92 mph | 228 km |
| 2018 | Cimaron | Category 1 | 86 mph | 224 km |
| 2018 | Jongdari | Category 1 | 81 mph | 111 km |
| 2017 | Lan | Category 1 | 98 mph | 233 km |
| 2017 | Noru | Category 1 | 69 mph | 234 km |
| 2016 | Mindulle | Category 1 | 75 mph | 270 km |
| 2014 | Phanfone | Category 1 | 86 mph | 121 km |
| 2011 | Roke | Category 3 | 92 mph | 103 km |
| 2011 | Ma-on | Category 1 | 86 mph | 298 km |
| 2009 | Melor | Category 1 | 86 mph | 168 km |
| 2008 | Sinlaku | Category 1 | 75 mph | 221 km |
| 2007 | Fitow | Category 1 | 81 mph | 196 km |
| 2005 | Mawar | Category 2 | 86 mph | 195 km |
| 2004 | Ma-on | Category 4 | 92 mph | 179 km |
| 2004 | Chaba | Category 1 | 69 mph | 218 km |
| 2003 | Etau | Category 2 | 86 mph | 66 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
11 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 | — | 126 km |
| 1909 | ANEGAWA, JAPAN | Earthquake | 1.8 m | 41 | 57 km |
| 1945 | TOKAIDO | Earthquake | 1.0 m | 2,306 | 91 km |
| 2009 | HONSHU: S COAST | Earthquake | 0.6 m | 1 | 148 km |
| 1857 | TOKAIDO | Earthquake | — | — | 147 km |
| 1799 | SW. HONSHU ISLAND | Earthquake | — | — | 127 km |
| 1726 | KATSUYAMA | Earthquake | — | — | 123 km |
| 1666 | AICHI PREFECTURE | Earthquake | — | — | 55 km |
| 1589 | SURUGA, JAPAN | Earthquake | — | — | 139 km |
| 1586 | ISE BAY | Earthquake | — | 8,000 | 55 km |
| 701 | SEA OF JAPAN | Earthquake | — | — | 139 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
14 volcanoes within 200 km. Closest: Ontakesan (68 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Ontakesan | Complex | 3,067 m (10,062 ft) | 2014 | 68 km |
| Hakusan | Stratovolcano | 2,702 m (8,865 ft) | 1659 | 76 km |
| Norikuradake | Stratovolcano(es) | 3,026 m (9,928 ft) | -50 | 90 km |
| Yakedake | Stratovolcano(es) | 2,455 m (8,054 ft) | 1995 | 102 km |
| Washiba-Kumonotaira | Shield(s) | 2,924 m (9,593 ft) | Unknown | 120 km |
| Midagahara | Stratovolcano | 2,621 m (8,599 ft) | 1839 | 135 km |
| Yokodake | Stratovolcano(es) | 2,480 m (8,136 ft) | 1200 | 143 km |
| Fujisan | Stratovolcano | 3,776 m (12,388 ft) | 1708 | 165 km |
| Asamayama | Complex | 2,568 m (8,425 ft) | 2019 | 177 km |
| Niigata-Yakeyama | Lava dome | 2,400 m (7,874 ft) | 1998 | 189 km |
| Myokosan | Stratovolcano | 2,454 m (8,051 ft) | -750 | 190 km |
| Kusatsu-Shiranesan | Stratovolcano(es) | 2,165 m (7,103 ft) | 2018 | 192 km |
| Hakoneyama | Complex | 1,438 m (4,718 ft) | 2015 | 193 km |
| Shiga | Shield(s) | 2,041 m (6,696 ft) | Unknown | 197 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 39°F (4°C) | 2.9 in | Coldest |
| February | 39°F (4°C) | 3.5 in | |
| March | 46°F (8°C) | 5.6 in | |
| April | 56°F (13°C) | 8.0 in | |
| May | 64°F (18°C) | 7.8 in | |
| June | 71°F (22°C) | 11.3 in | |
| July | 78°F (26°C) | 11.7 in | Wettest |
| August | 80°F (27°C) | 8.5 in | Warmest |
| September | 73°F (23°C) | 10.7 in | |
| October | 62°F (17°C) | 5.8 in | |
| November | 52°F (11°C) | 3.9 in | |
| December | 43°F (6°C) | 2.5 in | Driest |
Sekimachi has a seasonal temperature swing of 42°F / from 39°F in January to 80°F in August. Total annual precipitation is 82.2 inches, with July being the wettest month (11.7") and December the driest (2.5").