All Countries
Weather & Climate in Omi, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Omi experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 28°F in January while summers reach 71°F in July. The area gets 253 sunny days per year, above the national average. Annual precipitation totals 45.6 inches. The area receives 7.9 inches of snow annually. The city sits at an elevation of 2,388 feet.
Temperature
28°F Jan (-2°C)
71°F Jul (22°C)
| Annual Average | 49.7°F |
| 8% below US avg | |
| January Average | 28°F (-2°C) |
| July Average | 71°F (22°C) |
| Sunny Days | 253 days/yr |
Geography
| Elevation | 2,388 ft (728 m) |
| Area | 13.3 sq mi (34.4 km²) |
| Population Density | 206/sq mi |
| Coordinates | 36.4500°N, 138.0500°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
706 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.5.
| Jan 1, 2024 | 2024 Noto Peninsula, Japan Earthquake | M7.5 | 135 km | 10 km |
| Feb 7, 1993 | 69 km NNE of Nanao, Japan | M6.6 | 150 km | 11 km |
| Jul 16, 2007 | 20 km NNW of Kashiwazaki, Japan | M6.6 | 126 km | 12 km |
| Jan 1, 2024 | 8 km SW of Anamizu, Japan | M6.2 | 136 km | 10 km |
| May 5, 2023 | 49 km NE of Anamizu, Japan | M6.2 | 139 km | 10 km |
| Mar 11, 2011 | 13 km E of Arai, Japan | M6.2 | 69 km | 9 km |
| Mar 15, 2011 | 6 km NNW of Fujinomiya, Japan | M6.0 | 140 km | 9 km |
| Apr 16, 2011 | 6 km ENE of Tanuma, Japan | M5.8 | 144 km | 77 km |
| Feb 25, 2013 | 29 km NE of Numata, Japan | M5.8 | 115 km | 10 km |
| Jan 1, 2024 | 42 km NE of Anamizu, Japan | M5.8 | 136 km | 10 km |
| Jun 2, 2024 | 40 km NE of Anamizu, Japan | M5.7 | 131 km | 9 km |
| Jul 16, 2007 | 16 km NNW of Kashiwazaki, Japan | M5.7 | 123 km | 15 km |
| Mar 11, 2011 | eastern Honshu, Japan | M5.7 | 59 km | 12 km |
| Jan 1, 2024 | 54 km NE of Anamizu, Japan | M5.6 | 132 km | 10 km |
| Mar 6, 1996 | 13 km NNE of Gotenba, Japan | M5.6 | 141 km | 33 km |
| May 5, 2023 | 43 km NE of Anamizu, Japan | M5.6 | 134 km | 10 km |
| Jan 1, 2024 | 7 km N of Anamizu, Japan | M5.6 | 140 km | 10 km |
| Apr 11, 2011 | 8 km WSW of Iiyama, Japan | M5.5 | 45 km | 17 km |
| Mar 15, 2012 | 3 km ENE of ?me, Japan | M5.5 | 132 km | 104 km |
| Jan 1, 2024 | 56 km NE of Anamizu, Japan | M5.5 | 133 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
29 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 | 196 km |
| 2019 | Hagibis | Category 1 | 92 mph | 154 km |
| 2018 | Jebi | Category 2 | 98 mph | 160 km |
| 2018 | Jongdari | Category 1 | 81 mph | 233 km |
| 2016 | Mindulle | Category 1 | 75 mph | 273 km |
| 2014 | Phanfone | Category 1 | 81 mph | 175 km |
| 2011 | Roke | Category 2 | 92 mph | 120 km |
| 2007 | Fitow | Category 1 | 81 mph | 140 km |
| 2005 | Mawar | Category 2 | 81 mph | 199 km |
| 2004 | Ma-on | Category 3 | 92 mph | 179 km |
| 2004 | Chaba | Category 1 | 69 mph | 205 km |
| 2003 | Etau | Category 1 | 58 mph | 191 km |
| 2002 | Higos | Category 2 | 86 mph | 177 km |
| 2001 | Danas | Category 1 | 81 mph | 181 km |
| 2000 | Kirogi | Category 1 | 86 mph | 271 km |
| 1998 | Vicki | Category 2 | 86 mph | 56 km |
| 1998 | Zeb | Category 1 | 58 mph | 210 km |
| 1998 | Stella | Category 1 | 69 mph | 150 km |
| 1996 | Kirk | Category 1 | 63 mph | 164 km |
| 1995 | Ryan | Category 1 | 40 mph | 286 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 | 135 km |
| 1993 | HONSHU ISLAND | Earthquake | 0.5 m | - | 150 km |
| 1987 | HONSHU ISLAND | Earthquake | 0.2 m | - | 112 km |
| 2023 | NOTO PENINSULA, JAPAN | Earthquake | 0.1 m | 1 | 138 km |
| 2007 | HONSHU: W COAST | Earthquake | - | 15 | 130 km |
| 1892 | SW. HONSHU ISLAND | Earthquake | - | 1 | 127 km |
| 1802 | NW. HONSHU ISLAND | Earthquake | - | 19 | 141 km |
| 1799 | SW. HONSHU ISLAND | Earthquake | - | - | 131 km |
| 1751 | NW. HONSHU ISLAND | Eruption + Earthquake | - | 2,100 | 84 km |
| 1614 | NIIGATA PREFECTURE | Earthquake | - | - | 117 km |
| 1448 | SADO, JAPAN | Earthquake | - | - | 118 km |
| 887 | NIIGATA | Earthquake | - | 2,000 | 117 km |
| 863 | NW. HONSHU ISLAND | Eruption + Earthquake | - | - | 72 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km. Closest: Washiba-Kumonotaira (41 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Washiba-Kumonotaira | Shield(s) | 2,924 m (9,593 ft) | Unknown | 41 km |
| Asamayama | Complex | 2,568 m (8,425 ft) | 2019 | 43 km |
| Midagahara | Stratovolcano | 2,621 m (8,599 ft) | 1839 | 43 km |
| Kusatsu-Shiranesan | Stratovolcano(es) | 2,165 m (7,103 ft) | 2018 | 47 km |
| Yokodake | Stratovolcano(es) | 2,480 m (8,136 ft) | 1200 | 47 km |
| Yakedake | Stratovolcano(es) | 2,455 m (8,054 ft) | 1995 | 48 km |
| Myokosan | Stratovolcano | 2,454 m (8,051 ft) | -750 | 49 km |
| Shiga | Shield(s) | 2,041 m (6,696 ft) | Unknown | 50 km |
| Niigata-Yakeyama | Lava dome | 2,400 m (7,874 ft) | 1998 | 52 km |
| Norikuradake | Stratovolcano(es) | 3,026 m (9,928 ft) | -50 | 59 km |
| Harunasan | Stratovolcano | 1,449 m (4,754 ft) | 550 | 72 km |
| Ontakesan | Complex | 3,067 m (10,062 ft) | 2014 | 80 km |
| Akagisan | Stratovolcano | 1,828 m (5,997 ft) | Unknown | 103 km |
| Hakusan | Stratovolcano | 2,702 m (8,865 ft) | 1659 | 119 km |
| Hiuchigatake | Stratovolcano | 2,356 m (7,730 ft) | 1544 | 124 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 28°F (-2°C) | 1.7 in | Coldest |
| February | 29°F (-2°C) | 2.0 in | |
| March | 35°F (2°C) | 2.9 in | |
| April | 47°F (9°C) | 3.4 in | |
| May | 57°F (14°C) | 3.9 in | |
| June | 64°F (18°C) | 6.3 in | |
| July | 71°F (22°C) | 6.2 in | |
| August | 73°F (23°C) | 4.8 in | Warmest |
| September | 65°F (18°C) | 6.7 in | Wettest |
| October | 53°F (12°C) | 4.0 in | |
| November | 43°F (6°C) | 2.3 in | |
| December | 34°F (1°C) | 1.4 in | Driest |
Omi has a seasonal temperature swing of 45°F / from 28°F in January to 73°F in August. Total annual precipitation is 45.6 inches, with September being the wettest month (6.7") and December the driest (1.4").