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Weather & Climate in Nishiya, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Nishiya experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 31°F in January while summers reach 72°F in July. The area gets 208 sunny days per year. Annual precipitation totals 70.8 inches (wetter than the 38-inch national average). The area receives 7.5 inches of snow annually. The city sits at an elevation of 1,056 feet.
Temperature
31°F Jan (-1°C)
72°F Jul (22°C)
| Annual Average | 51.4°F |
| 5% below US avg | |
| January Average | 31°F (-1°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 208 days/yr |
Geography
| Elevation | 1,056 ft (322 m) |
| Area | 195.4 sq mi (506.0 km²) |
| Population Density | 62/sq mi |
| Coordinates | 35.1667°N, 133.8833°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
118 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.9.
| Jan 16, 1995 | 8 km S of Akashi, Japan | M6.9 | 122 km | 22 km |
| Oct 6, 2000 | 8 km ESE of Matsue, Japan | M6.7 | 75 km | 10 km |
| Apr 11, 1990 | 11 km ENE of Maizuru, Japan | M6.1 | 146 km | 362 km |
| Aug 7, 1992 | 21 km N of Miyazu, Japan | M5.8 | 131 km | 358 km |
| Apr 12, 2013 | 6 km WNW of Sumoto, Japan | M5.8 | 124 km | 14 km |
| Apr 8, 2018 | 8 km NNE of ?dach?-?da, Japan | M5.7 | 121 km | 10 km |
| Aug 28, 1991 | 9 km SSW of Yasugich?, Japan | M5.5 | 64 km | 13 km |
| Oct 8, 2000 | 32 km N of Sh?bara, Japan | M5.4 | 77 km | 10 km |
| Sep 24, 2003 | 5 km WNW of Ayabe, Japan | M5.4 | 120 km | 372 km |
| Jan 11, 2001 | 15 km E of Tottori, Japan | M5.3 | 58 km | 33 km |
| Sep 16, 2002 | 24 km SW of Kurayoshi, Japan | M5.3 | 23 km | 10 km |
| Sep 3, 1997 | 21 km S of Yasugich?, Japan | M5.3 | 61 km | 10 km |
| Oct 8, 2000 | 8 km SSW of Yonago, Japan | M5.2 | 56 km | 10 km |
| Apr 26, 2007 | 15 km ESE of Niihama, Japan | M5.1 | 146 km | 50 km |
| Jun 3, 2011 | 9 km ENE of G?tsuch?, Japan | M5.0 | 143 km | 10 km |
| Jan 16, 1995 | 20 km SW of Akashi, Japan | M5.0 | 110 km | 10 km |
| Jun 16, 2022 | 5 km S of Komatsushimach?, Japan | M4.9 | 149 km | 40 km |
| Oct 13, 1995 | 10 km ESE of Akashi, Japan | M4.9 | 128 km | 18 km |
| Sep 28, 1990 | 24 km NNW of Kariya, Japan | M4.9 | 42 km | 26 km |
| Oct 4, 2011 | 14 km SW of Wakimachi, Japan | M4.8 | 134 km | 43 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
41 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 2.
| Year | Name | Category | Max Wind | Closest |
| 2023 | Lan | Category 2 | 75 mph | 233 km |
| 2018 | Jebi | Category 2 | 98 mph | 134 km |
| 2018 | Trami | Category 1 | 92 mph | 212 km |
| 2018 | Cimaron | Category 1 | 86 mph | 98 km |
| 2017 | Noru | Category 1 | 69 mph | 171 km |
| 2016 | Malakas | Category 1 | 81 mph | 266 km |
| 2015 | Goni | Category 1 | 81 mph | 262 km |
| 2015 | Nangka | Category 1 | 81 mph | 244 km |
| 2014 | Phanfone | Category 1 | 86 mph | 279 km |
| 2014 | Halong | Category 1 | 81 mph | 247 km |
| 2011 | Ma-on | Category 1 | 86 mph | 186 km |
| 2009 | Melor | Category 1 | 86 mph | 281 km |
| 2008 | Sinlaku | Category 1 | 75 mph | 279 km |
| 2007 | Usagi | Category 2 | 81 mph | 181 km |
| 2007 | Man-yi | Category 1 | 75 mph | 292 km |
| 2005 | Nabi | Category 1 | 75 mph | 235 km |
| 2004 | Songda | Category 2 | 86 mph | 154 km |
| 2004 | Chaba | Category 2 | 92 mph | 63 km |
| 2003 | Etau | Category 2 | 86 mph | 128 km |
| 1999 | Bart | Category 2 | 92 mph | 131 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
5 tsunamis recorded within 500 km. Highest wave on record: 11.3 m (37 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1927 | SW. HONSHU ISLAND | Eruption + Earthquake | 11.3 m | 3,022 | 120 km |
| 1711 | SEIONAIKAI, JAPAN | Earthquake | 2.0 m | 1,000 | 97 km |
| 1995 | KOBE, JAPAN | Earthquake | 0.3 m | 6,434 | 126 km |
| 745 | OSAKA BAY, JAPAN | Earthquake | — | — | 144 km |
| 701 | SEA OF JAPAN | Earthquake | — | — | 150 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Sanbesan (115 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Sanbesan | Stratovolcano | 1,126 m (3,694 ft) | 650 | 115 km |
| Oki-Dogo | Shield | 151 m (495 ft) | Unknown | 123 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-1°C) | 3.7 in | Coldest |
| February | 31°F (-0°C) | 3.8 in | |
| March | 37°F (3°C) | 4.6 in | |
| April | 48°F (9°C) | 5.7 in | |
| May | 57°F (14°C) | 6.1 in | |
| June | 64°F (18°C) | 9.1 in | |
| July | 72°F (22°C) | 10.4 in | Wettest |
| August | 74°F (23°C) | 6.5 in | Warmest |
| September | 66°F (19°C) | 9.2 in | |
| October | 55°F (13°C) | 4.8 in | |
| November | 45°F (7°C) | 3.7 in | |
| December | 36°F (2°C) | 3.2 in | Driest |
Nishiya has a seasonal temperature swing of 43°F / from 31°F in January to 74°F in August. Total annual precipitation is 70.8 inches, with July being the wettest month (10.4") and December the driest (3.2").