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Weather & Climate in Kariwa, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Kariwa experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 35°F in January while summers reach 75°F in July. The area gets 167 sunny days per year, below the national average of 205. Annual precipitation totals 96.8 inches (wetter than the 38-inch national average). The area receives 22.8 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 43 feet.
Temperature
35°F Jan (2°C)
75°F Jul (24°C)
| Annual Average | 54.8°F |
| 1% above US avg | |
| January Average | 35°F (2°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 167 days/yr |
Geography
| Elevation | 43 ft (13 m) |
| Area | 17.1 sq mi (44.4 km²) |
| Population Density | 267/sq mi |
| Coordinates | 37.4298°N, 138.6188°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
547 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.5.
| Jan 1, 2024 | 2024 Noto Peninsula, Japan Earthquake | M7.5 | 119 km | 10 km |
| Feb 7, 1993 | 69 km NNE of Nanao, Japan | M6.6 | 123 km | 11 km |
| Jul 16, 2007 | 20 km NNW of Kashiwazaki, Japan | M6.6 | 19 km | 12 km |
| May 5, 2023 | 49 km NE of Anamizu, Japan | M6.2 | 117 km | 10 km |
| Mar 11, 2011 | 13 km E of Arai, Japan | M6.2 | 51 km | 9 km |
| Jan 9, 2024 | 53 km WSW of Sado, Japan | M5.9 | 88 km | 10 km |
| Jan 1, 2024 | 42 km NE of Anamizu, Japan | M5.8 | 121 km | 10 km |
| Apr 16, 2011 | 6 km ENE of Tanuma, Japan | M5.8 | 149 km | 77 km |
| Feb 25, 2013 | 29 km NE of Numata, Japan | M5.8 | 86 km | 10 km |
| Jul 16, 2007 | 16 km NNW of Kashiwazaki, Japan | M5.7 | 16 km | 15 km |
| Dec 3, 1996 | 35 km SE of Muramatsu, Japan | M5.7 | 76 km | 139 km |
| Mar 11, 2011 | eastern Honshu, Japan | M5.7 | 61 km | 12 km |
| Jun 2, 2024 | 40 km NE of Anamizu, Japan | M5.7 | 119 km | 9 km |
| May 5, 2023 | 43 km NE of Anamizu, Japan | M5.6 | 119 km | 10 km |
| Jan 1, 2024 | 54 km NE of Anamizu, Japan | M5.6 | 108 km | 10 km |
| Sep 29, 2010 | 35 km NNW of Kuroiso, Japan | M5.5 | 113 km | 33 km |
| Jan 1, 2024 | 56 km NE of Anamizu, Japan | M5.5 | 107 km | 10 km |
| Apr 11, 2011 | 8 km WSW of Iiyama, Japan | M5.5 | 75 km | 17 km |
| Apr 1, 1995 | 8 km NE of Kameda-honch?, Japan | M5.4 | 74 km | 11 km |
| Feb 8, 2012 | 45 km WSW of Ry?tsu-minato, Japan | M5.4 | 72 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
26 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2019 | Faxai | Category 2 | 92 mph | 235 km |
| 2019 | Hagibis | Category 1 | 81 mph | 177 km |
| 2018 | Jebi | Category 1 | 86 mph | 179 km |
| 2014 | Phanfone | Category 1 | 75 mph | 282 km |
| 2011 | Roke | Category 1 | 86 mph | 178 km |
| 2007 | Fitow | Category 1 | 75 mph | 210 km |
| 2005 | Mawar | Category 2 | 75 mph | 244 km |
| 2004 | Ma-on | Category 3 | 92 mph | 229 km |
| 2004 | Songda | Category 1 | 75 mph | 277 km |
| 2004 | Chaba | Category 1 | 69 mph | 232 km |
| 2003 | Etau | Category 1 | 58 mph | 297 km |
| 2002 | Higos | Category 1 | 81 mph | 205 km |
| 2001 | Danas | Category 1 | 63 mph | 195 km |
| 2000 | Kirogi | Category 1 | 81 mph | 260 km |
| 1998 | Vicki | Category 2 | 69 mph | 128 km |
| 1998 | Zeb | Category 1 | 58 mph | 279 km |
| 1998 | Stella | Category 1 | 69 mph | 167 km |
| 1996 | Kirk | Category 1 | 63 mph | 200 km |
| 1995 | Ryan | Category 1 | 40 mph | 251 km |
| 1994 | Orchid | Category 1 | 69 mph | 176 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
13 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 | 119 km |
| 1964 | NW. HONSHU ISLAND | Earthquake | 5.8 m | 36 | 119 km |
| 1993 | HONSHU ISLAND | Earthquake | 0.5 m | — | 123 km |
| 1987 | HONSHU ISLAND | Earthquake | 0.2 m | — | 67 km |
| 2023 | NOTO PENINSULA, JAPAN | Earthquake | 0.1 m | 1 | 117 km |
| 2007 | HONSHU: W COAST | Earthquake | — | 15 | 20 km |
| 1802 | NW. HONSHU ISLAND | Earthquake | — | 19 | 41 km |
| 1762 | NW. HONSHU ISLAND | Earthquake | — | — | 75 km |
| 1751 | NW. HONSHU ISLAND | Eruption + Earthquake | — | 2,100 | 53 km |
| 1614 | NIIGATA PREFECTURE | Earthquake | — | — | 55 km |
| 1448 | SADO, JAPAN | Earthquake | — | — | 38 km |
| 887 | NIIGATA | Earthquake | — | 2,000 | 46 km |
| 863 | NW. HONSHU ISLAND | Eruption + Earthquake | — | — | 66 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km. Closest: Myokosan (75 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Myokosan | Stratovolcano | 2,454 m (8,051 ft) | -750 | 75 km |
| Niigata-Yakeyama | Lava dome | 2,400 m (7,874 ft) | 1998 | 77 km |
| Hiuchigatake | Stratovolcano | 2,356 m (7,730 ft) | 1544 | 79 km |
| Shiga | Shield(s) | 2,041 m (6,696 ft) | Unknown | 83 km |
| Numazawa | Shield | 835 m (2,740 ft) | -3400 | 84 km |
| Kusatsu-Shiranesan | Stratovolcano(es) | 2,165 m (7,103 ft) | 2018 | 91 km |
| Nikko-Shiranesan | Shield | 2,578 m (8,458 ft) | 1952 | 97 km |
| Omanago Group | Lava dome(s) | 2,341 m (7,680 ft) | -3050 | 106 km |
| Nantaisan | Stratovolcano | 2,486 m (8,156 ft) | -9540 | 107 km |
| Harunasan | Stratovolcano | 1,449 m (4,754 ft) | 550 | 108 km |
| Akagisan | Stratovolcano | 1,828 m (5,997 ft) | Unknown | 109 km |
| Asamayama | Complex | 2,568 m (8,425 ft) | 2019 | 114 km |
| Takaharayama | Stratovolcano | 1,795 m (5,889 ft) | -4570 | 118 km |
| Nasudake | Stratovolcano(es) | 1,915 m (6,283 ft) | 1963 | 124 km |
| Bandaisan | Stratovolcano | 1,816 m (5,958 ft) | 1888 | 130 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 35°F (2°C) | 13.8 in | Coldest |
| February | 35°F (2°C) | 9.0 in | |
| March | 39°F (4°C) | 5.9 in | |
| April | 50°F (10°C) | 4.3 in | |
| May | 60°F (16°C) | 4.1 in | Driest |
| June | 68°F (20°C) | 5.4 in | |
| July | 75°F (24°C) | 7.4 in | |
| August | 78°F (26°C) | 5.5 in | Warmest |
| September | 70°F (21°C) | 7.8 in | |
| October | 59°F (15°C) | 7.6 in | |
| November | 49°F (10°C) | 10.6 in | |
| December | 40°F (4°C) | 15.4 in | Wettest |
Kariwa has a seasonal temperature swing of 43°F / from 35°F in January to 78°F in August. Total annual precipitation is 96.8 inches, with December being the wettest month (15.4") and May the driest (4.1").