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Weather & Climate in Nanto, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Nanto experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 34°F in January while summers reach 76°F in July. The area gets 187 sunny days per year. Annual precipitation totals 82.1 inches (wetter than the 38-inch national average). The area receives 12.6 inches of snow annually. The city sits at an elevation of 463 feet.
Temperature
34°F Jan (1°C)
76°F Jul (24°C)
| Annual Average | 55.4°F |
| 3% above US avg | |
| January Average | 34°F (1°C) |
| July Average | 76°F (24°C) |
| Sunny Days | 187 days/yr |
Geography
| Elevation | 463 ft (141 m) |
| Area | 261.8 sq mi (678.1 km²) |
| Population Density | 183/sq mi |
| Coordinates | 36.5127°N, 136.8935°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
536 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.5.
| Jan 1, 2024 | 2024 Noto Peninsula, Japan Earthquake | M7.5 | 113 km | 10 km |
| Mar 25, 2007 | 46 km NW of Nanao, Japan | M6.7 | 96 km | 8 km |
| Feb 7, 1993 | 69 km NNE of Nanao, Japan | M6.6 | 129 km | 11 km |
| Mar 11, 2011 | 13 km E of Arai, Japan | M6.2 | 143 km | 9 km |
| Jan 1, 2024 | 8 km SW of Anamizu, Japan | M6.2 | 76 km | 10 km |
| May 5, 2023 | 49 km NE of Anamizu, Japan | M6.2 | 121 km | 10 km |
| Jun 6, 2000 | Sea of Japan | M5.9 | 132 km | 10 km |
| Jan 1, 2024 | 42 km NE of Anamizu, Japan | M5.8 | 114 km | 10 km |
| Jun 2, 2024 | 40 km NE of Anamizu, Japan | M5.7 | 109 km | 9 km |
| Mar 11, 2011 | eastern Honshu, Japan | M5.7 | 134 km | 12 km |
| Jan 1, 2024 | 54 km NE of Anamizu, Japan | M5.6 | 120 km | 10 km |
| Jan 1, 2024 | 7 km N of Anamizu, Japan | M5.6 | 88 km | 10 km |
| May 5, 2023 | 43 km NE of Anamizu, Japan | M5.6 | 114 km | 10 km |
| Aug 15, 1998 | 22 km WSW of Hotaka, Japan | M5.5 | 73 km | 10 km |
| Jan 1, 2024 | 56 km NE of Anamizu, Japan | M5.5 | 123 km | 10 km |
| Apr 11, 2011 | 8 km WSW of Iiyama, Japan | M5.5 | 128 km | 17 km |
| Jan 2, 2024 | 11 km W of Anamizu, Japan | M5.4 | 82 km | 6 km |
| Aug 26, 2010 | 25 km ENE of Katsuyama, Japan | M5.4 | 45 km | 278 km |
| May 17, 1990 | 7 km W of Nanao, Japan | M5.4 | 61 km | 267 km |
| Mar 12, 2020 | 26 km NNW of Nanao, Japan | M5.3 | 85 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
31 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2019 | Faxai | Category 3 | 98 mph | 287 km |
| 2019 | Hagibis | Category 1 | 92 mph | 247 km |
| 2018 | Jebi | Category 2 | 98 mph | 91 km |
| 2018 | Cimaron | Category 1 | 81 mph | 291 km |
| 2018 | Jongdari | Category 1 | 81 mph | 225 km |
| 2014 | Phanfone | Category 1 | 81 mph | 225 km |
| 2011 | Roke | Category 2 | 92 mph | 197 km |
| 2009 | Melor | Category 1 | 86 mph | 281 km |
| 2007 | Fitow | Category 1 | 81 mph | 231 km |
| 2005 | Mawar | Category 2 | 81 mph | 276 km |
| 2004 | Ma-on | Category 3 | 92 mph | 251 km |
| 2004 | Songda | Category 1 | 81 mph | 259 km |
| 2004 | Chaba | Category 1 | 69 mph | 118 km |
| 2003 | Etau | Category 1 | 58 mph | 119 km |
| 2002 | Higos | Category 2 | 86 mph | 278 km |
| 2001 | Danas | Category 1 | 81 mph | 277 km |
| 1999 | Bart | Category 1 | 81 mph | 267 km |
| 1998 | Vicki | Category 2 | 86 mph | 58 km |
| 1998 | Zeb | Category 1 | 58 mph | 107 km |
| 1998 | Stella | Category 1 | 69 mph | 242 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tsunami History
12 tsunamis recorded within 500 km. Highest wave on record: 11.3 m (37 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2024 | HONSHU: W COAST | Eruption + Earthquake | 11.3 m | 549 | 113 km |
| 1909 | ANEGAWA, JAPAN | Earthquake | 1.8 m | 41 | 135 km |
| 1993 | HONSHU ISLAND | Earthquake | 0.5 m | - | 129 km |
| 1987 | HONSHU ISLAND | Earthquake | 0.2 m | - | 135 km |
| 2023 | NOTO PENINSULA, JAPAN | Earthquake | 0.1 m | 1 | 120 km |
| 2007 | HONSHU: W COAST | Earthquake | 0.1 m | 1 | 96 km |
| 1892 | SW. HONSHU ISLAND | Earthquake | - | 1 | 55 km |
| 1799 | SW. HONSHU ISLAND | Earthquake | - | - | 28 km |
| 1751 | NW. HONSHU ISLAND | Eruption + Earthquake | - | 2,100 | 132 km |
| 1726 | KATSUYAMA | Earthquake | - | - | 83 km |
| 1614 | NIIGATA PREFECTURE | Earthquake | - | - | 147 km |
| 863 | NW. HONSHU ISLAND | Eruption + Earthquake | - | - | 118 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
13 volcanoes within 200 km. Closest: Hakusan (41 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Hakusan | Stratovolcano | 2,702 m (8,865 ft) | 1659 | 41 km |
| Midagahara | Stratovolcano | 2,621 m (8,599 ft) | 1839 | 63 km |
| Washiba-Kumonotaira | Shield(s) | 2,924 m (9,593 ft) | Unknown | 64 km |
| Yakedake | Stratovolcano(es) | 2,455 m (8,054 ft) | 1995 | 70 km |
| Norikuradake | Stratovolcano(es) | 3,026 m (9,928 ft) | -50 | 75 km |
| Ontakesan | Complex | 3,067 m (10,062 ft) | 2014 | 87 km |
| Niigata-Yakeyama | Lava dome | 2,400 m (7,874 ft) | 1998 | 112 km |
| Myokosan | Stratovolcano | 2,454 m (8,051 ft) | -750 | 117 km |
| Yokodake | Stratovolcano(es) | 2,480 m (8,136 ft) | 1200 | 136 km |
| Asamayama | Complex | 2,568 m (8,425 ft) | 2019 | 146 km |
| Kusatsu-Shiranesan | Stratovolcano(es) | 2,165 m (7,103 ft) | 2018 | 146 km |
| Shiga | Shield(s) | 2,041 m (6,696 ft) | Unknown | 146 km |
| Harunasan | Stratovolcano | 1,449 m (4,754 ft) | 550 | 175 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 34°F (1°C) | 7.2 in | Coldest |
| February | 34°F (1°C) | 5.4 in | |
| March | 41°F (5°C) | 5.3 in | Driest |
| April | 52°F (11°C) | 5.5 in | |
| May | 61°F (16°C) | 5.6 in | |
| June | 68°F (20°C) | 8.0 in | |
| July | 76°F (24°C) | 9.0 in | |
| August | 78°F (26°C) | 6.5 in | Warmest |
| September | 70°F (21°C) | 9.6 in | Wettest |
| October | 60°F (15°C) | 6.2 in | |
| November | 50°F (10°C) | 6.8 in | |
| December | 40°F (5°C) | 7.1 in |
Nanto has a seasonal temperature swing of 44°F / from 34°F in January to 78°F in August. Total annual precipitation is 82.1 inches, with September being the wettest month (9.6") and March the driest (5.3").