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Weather & Climate in Yahiko, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Yahiko experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 34°F in January while summers reach 74°F in July. The area gets 180 sunny days per year. Annual precipitation totals 85.9 inches (wetter than the 38-inch national average). The area receives 18.2 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 56 feet.
Temperature
34°F Jan (1°C)
74°F Jul (23°C)
| Annual Average | 53.8°F |
| 0% below US avg | |
| January Average | 34°F (1°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 180 days/yr |
Geography
| Elevation | 56 ft (17 m) |
| Area | 9.7 sq mi (25.2 km²) |
| Population Density | 793/sq mi |
| Coordinates | 37.7000°N, 138.8333°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
473 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.5.
| Jan 1, 2024 | 2024 Noto Peninsula, Japan Earthquake | M7.5 | 140 km | 10 km |
| Jul 16, 2007 | 20 km NNW of Kashiwazaki, Japan | M6.6 | 39 km | 12 km |
| Feb 7, 1993 | 69 km NNE of Nanao, Japan | M6.6 | 140 km | 11 km |
| Jun 18, 2019 | 31 km WSW of Tsuruoka, Japan | M6.4 | 119 km | 12 km |
| May 5, 2023 | 49 km NE of Anamizu, Japan | M6.2 | 136 km | 10 km |
| Mar 11, 2011 | 13 km E of Arai, Japan | M6.2 | 86 km | 9 km |
| Jan 9, 2024 | 53 km WSW of Sado, Japan | M5.9 | 94 km | 10 km |
| Feb 25, 2013 | 29 km NE of Numata, Japan | M5.8 | 102 km | 10 km |
| Jan 1, 2024 | 42 km NE of Anamizu, Japan | M5.8 | 142 km | 10 km |
| Mar 11, 2011 | eastern Honshu, Japan | M5.7 | 97 km | 12 km |
| Dec 3, 1996 | 35 km SE of Muramatsu, Japan | M5.7 | 62 km | 139 km |
| Jul 16, 2007 | 16 km NNW of Kashiwazaki, Japan | M5.7 | 39 km | 15 km |
| Jun 2, 2024 | 40 km NE of Anamizu, Japan | M5.7 | 141 km | 9 km |
| May 5, 2023 | 43 km NE of Anamizu, Japan | M5.6 | 139 km | 10 km |
| Jan 1, 2024 | 54 km NE of Anamizu, Japan | M5.6 | 128 km | 10 km |
| Apr 11, 2011 | 8 km WSW of Iiyama, Japan | M5.5 | 110 km | 17 km |
| Jan 1, 2024 | 56 km NE of Anamizu, Japan | M5.5 | 126 km | 10 km |
| Sep 29, 2010 | 35 km NNW of Kuroiso, Japan | M5.5 | 105 km | 33 km |
| Apr 1, 1995 | 8 km NE of Kameda-honch?, Japan | M5.4 | 40 km | 11 km |
| Feb 8, 2012 | 45 km WSW of Ry?tsu-minato, Japan | M5.4 | 75 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
21 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 | 248 km |
| 2019 | Hagibis | Category 1 | 81 mph | 172 km |
| 2018 | Jebi | Category 1 | 86 mph | 202 km |
| 2011 | Roke | Category 1 | 81 mph | 203 km |
| 2007 | Fitow | Category 1 | 75 mph | 236 km |
| 2005 | Mawar | Category 2 | 75 mph | 258 km |
| 2004 | Ma-on | Category 3 | 81 mph | 249 km |
| 2004 | Songda | Category 1 | 75 mph | 279 km |
| 2004 | Chaba | Category 1 | 69 mph | 254 km |
| 2002 | Higos | Category 1 | 81 mph | 181 km |
| 2001 | Danas | Category 1 | 63 mph | 201 km |
| 2000 | Kirogi | Category 1 | 81 mph | 256 km |
| 1998 | Vicki | Category 2 | 69 mph | 102 km |
| 1998 | Stella | Category 1 | 63 mph | 184 km |
| 1996 | Kirk | Category 1 | 63 mph | 225 km |
| 1995 | Ryan | Category 1 | 40 mph | 242 km |
| 1994 | Orchid | Category 1 | 69 mph | 206 km |
| 1993 | Vernon | Category 1 | 75 mph | 242 km |
| 1991 | Mireille | Category 1 | 98 mph | 257 km |
| 1990 | Flo | Category 1 | 58 mph | 223 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tsunami History
15 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 | 140 km |
| 1833 | NW. HONSHU ISLAND | Earthquake | 9.0 m | 85 | 136 km |
| 1964 | NW. HONSHU ISLAND | Earthquake | 5.8 m | 36 | 84 km |
| 1993 | HONSHU ISLAND | Earthquake | 0.5 m | - | 140 km |
| 1987 | HONSHU ISLAND | Earthquake | 0.2 m | - | 90 km |
| 2019 | NIIGATA | Earthquake | 0.1 m | - | 119 km |
| 2023 | NOTO PENINSULA, JAPAN | Earthquake | 0.1 m | 1 | 136 km |
| 2007 | HONSHU: W COAST | Earthquake | - | 15 | 35 km |
| 1802 | NW. HONSHU ISLAND | Earthquake | - | 19 | 47 km |
| 1762 | NW. HONSHU ISLAND | Earthquake | - | - | 46 km |
| 1751 | NW. HONSHU ISLAND | Eruption + Earthquake | - | 2,100 | 85 km |
| 1614 | NIIGATA PREFECTURE | Earthquake | - | - | 77 km |
| 1448 | SADO, JAPAN | Earthquake | - | - | 60 km |
| 887 | NIIGATA | Earthquake | - | 2,000 | 68 km |
| 863 | NW. HONSHU ISLAND | Eruption + Earthquake | - | - | 99 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km. Closest: Numazawa (71 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Numazawa | Shield | 835 m (2,740 ft) | -3400 | 71 km |
| Hiuchigatake | Stratovolcano | 2,356 m (7,730 ft) | 1544 | 92 km |
| Bandaisan | Stratovolcano | 1,816 m (5,958 ft) | 1888 | 110 km |
| Myokosan | Stratovolcano | 2,454 m (8,051 ft) | -750 | 110 km |
| Nikko-Shiranesan | Shield | 2,578 m (8,458 ft) | 1952 | 111 km |
| Niigata-Yakeyama | Lava dome | 2,400 m (7,874 ft) | 1998 | 112 km |
| Shiga | Shield(s) | 2,041 m (6,696 ft) | Unknown | 116 km |
| Omanago Group | Lava dome(s) | 2,341 m (7,680 ft) | -3050 | 117 km |
| Nasudake | Stratovolcano(es) | 1,915 m (6,283 ft) | 1963 | 119 km |
| Nantaisan | Stratovolcano | 2,486 m (8,156 ft) | -9540 | 119 km |
| Takaharayama | Stratovolcano | 1,795 m (5,889 ft) | -4570 | 122 km |
| Kusatsu-Shiranesan | Stratovolcano(es) | 2,165 m (7,103 ft) | 2018 | 123 km |
| Azumayama | Stratovolcano(es) | 1,949 m (6,394 ft) | 1977 | 124 km |
| Adatarayama | Stratovolcano(es) | 1,728 m (5,669 ft) | 1996 | 128 km |
| Akagisan | Stratovolcano | 1,828 m (5,997 ft) | Unknown | 131 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 34°F (1°C) | 10.9 in | |
| February | 34°F (1°C) | 7.4 in | Coldest |
| March | 38°F (4°C) | 5.2 in | |
| April | 49°F (9°C) | 4.3 in | |
| May | 59°F (15°C) | 4.1 in | Driest |
| June | 66°F (19°C) | 5.2 in | |
| July | 74°F (23°C) | 7.2 in | |
| August | 77°F (25°C) | 5.5 in | Warmest |
| September | 69°F (21°C) | 7.3 in | |
| October | 59°F (15°C) | 7.0 in | |
| November | 48°F (9°C) | 9.5 in | |
| December | 39°F (4°C) | 12.5 in | Wettest |
Yahiko has a seasonal temperature swing of 43°F / from 34°F in February to 77°F in August. Total annual precipitation is 85.9 inches, with December being the wettest month (12.5") and May the driest (4.1").