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Weather & Climate in Mibu, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Mibu enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 37°F in January while summers reach 75°F in July. The area gets 244 sunny days per year, above the national average. Annual precipitation totals 50.9 inches (wetter than the 38-inch national average). The city sits at an elevation of 194 feet.
Temperature
37°F Jan (3°C)
75°F Jul (24°C)
| Annual Average | 56.7°F |
| 5% above US avg | |
| January Average | 37°F (3°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 244 days/yr |
Geography
| Elevation | 194 ft (59 m) |
| Area | 23.6 sq mi (61.1 km²) |
| Population Density | 1,674/sq mi |
| Coordinates | 36.4167°N, 139.8000°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
2,772 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.9.
| Mar 11, 2011 | 47 km E of ?arai, Japan | M7.9 | 118 km | 43 km |
| Apr 11, 2011 | 17 km SSW of Ishikawa, Japan | M6.6 | 84 km | 11 km |
| Jun 1, 1990 | near the east coast of Honshu, Japan | M6.3 | 111 km | 67 km |
| Jul 30, 2011 | 13 km SSE of Iwaki, Japan | M6.3 | 118 km | 38 km |
| Sep 11, 1996 | 23 km SSE of Hasaki, Japan | M6.2 | 142 km | 55 km |
| Jun 3, 2000 | 6 km SE of Narut?, Japan | M6.2 | 113 km | 62 km |
| Mar 11, 2011 | 13 km E of Arai, Japan | M6.2 | 143 km | 9 km |
| Apr 11, 2011 | 23 km SE of T?gane, Japan | M6.2 | 131 km | 15 km |
| Apr 21, 2011 | 6 km WNW of T?gane, Japan | M6.2 | 104 km | 43 km |
| May 26, 2023 | 12 km SE of Narutō, Japan | M6.1 | 118 km | 42 km |
| Sep 15, 2011 | 68 km E of ?arai, Japan | M6.1 | 139 km | 28 km |
| Aug 5, 1990 | 43 km E of ?arai, Japan | M6.1 | 115 km | 27 km |
| Jul 20, 2000 | 31 km ESE of Hitachi, Japan | M6.0 | 106 km | 47 km |
| Mar 11, 2011 | 4 km ESE of Hasaki, Japan | M6.0 | 124 km | 48 km |
| Mar 14, 2012 | 5 km SE of Asahi, Japan | M6.0 | 114 km | 10 km |
| Aug 6, 1991 | 19 km E of Hasaki, Japan | M6.0 | 136 km | 29 km |
| Apr 3, 2004 | 37 km ESE of Hitachi, Japan | M6.0 | 108 km | 31 km |
| Apr 10, 2005 | near the east coast of Honshu, Japan | M5.9 | 105 km | 43 km |
| May 11, 1997 | 5 km NNE of Iwaki, Japan | M5.9 | 124 km | 49 km |
| Jul 23, 2005 | 9 km WSW of Ichihara, Japan | M5.9 | 104 km | 61 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 |
| 2024 | Ampil | Category 3 | 98 mph | 254 km |
| 2024 | Jebi | Category 1 | 75 mph | 258 km |
| 2019 | Faxai | Category 3 | 98 mph | 82 km |
| 2019 | Hagibis | Category 1 | 92 mph | 82 km |
| 2018 | Shanshan | Category 1 | 75 mph | 215 km |
| 2018 | Jongdari | Category 1 | 81 mph | 271 km |
| 2016 | Lionrock | Category 1 | 75 mph | 258 km |
| 2016 | Mindulle | Category 1 | 75 mph | 237 km |
| 2014 | Phanfone | Category 1 | 81 mph | 211 km |
| 2011 | Roke | Category 2 | 92 mph | 79 km |
| 2007 | Fitow | Category 1 | 81 mph | 106 km |
| 2005 | Mawar | Category 2 | 81 mph | 92 km |
| 2004 | Ma-on | Category 3 | 92 mph | 91 km |
| 2002 | Higos | Category 2 | 86 mph | 58 km |
| 2001 | Danas | Category 1 | 81 mph | 54 km |
| 2000 | Kirogi | Category 1 | 86 mph | 135 km |
| 1998 | Vicki | Category 2 | 63 mph | 208 km |
| 1998 | Stella | Category 1 | 69 mph | 26 km |
| 1996 | Violet | Category 1 | 81 mph | 186 km |
| 1996 | Dan | Category 1 | 58 mph | 292 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tsunami History
12 tsunamis recorded within 500 km. Highest wave on record: 13.0 m (43 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1923 | SAGAMI BAY | Earthquake | 13.0 m | 105,385 | 149 km |
| 1495 | KAMAKURA, SAGAMI BAY, TOKAIDO | Earthquake | 5.0 m | 200 | 149 km |
| 1670 | BOSO, JAPAN | Earthquake | 2.0 m | - | 149 km |
| 1938 | JAPAN TRENCH | Earthquake | 0.8 m | - | 146 km |
| 1896 | KASHIMA, JAPAN | Earthquake | 0.3 m | - | 108 km |
| 1935 | JAPAN | Earthquake | 0.2 m | - | 144 km |
| 1855 | TOKAIDO | Earthquake | - | 6,757 | 85 km |
| 1782 | ODAWARA, SAGAMI BAY | Eruption + Earthquake | - | - | 147 km |
| 1633 | SAGAMI BAY | Earthquake | - | 150 | 146 km |
| 1257 | SAGAMI BAY, JAPAN | Earthquake | - | - | 138 km |
| 1241 | KAMAKURA, SAGAMI BAY | Earthquake | - | - | 140 km |
| 818 | TOKAIDO | Eruption + Earthquake | - | - | 143 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km. Closest: Nantaisan (48 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Nantaisan | Stratovolcano | 2,486 m (8,156 ft) | -9540 | 48 km |
| Omanago Group | Lava dome(s) | 2,341 m (7,680 ft) | -3050 | 50 km |
| Takaharayama | Stratovolcano | 1,795 m (5,889 ft) | -4570 | 54 km |
| Akagisan | Stratovolcano | 1,828 m (5,997 ft) | Unknown | 57 km |
| Nikko-Shiranesan | Shield | 2,578 m (8,458 ft) | 1952 | 57 km |
| Hiuchigatake | Stratovolcano | 2,356 m (7,730 ft) | 1544 | 75 km |
| Nasudake | Stratovolcano(es) | 1,915 m (6,283 ft) | 1963 | 80 km |
| Harunasan | Stratovolcano | 1,449 m (4,754 ft) | 550 | 85 km |
| Asamayama | Complex | 2,568 m (8,425 ft) | 2019 | 114 km |
| Kusatsu-Shiranesan | Stratovolcano(es) | 2,165 m (7,103 ft) | 2018 | 116 km |
| Numazawa | Shield | 835 m (2,740 ft) | -3400 | 116 km |
| Shiga | Shield(s) | 2,041 m (6,696 ft) | Unknown | 118 km |
| Bandaisan | Stratovolcano | 1,816 m (5,958 ft) | 1888 | 134 km |
| Yokodake | Stratovolcano(es) | 2,480 m (8,136 ft) | 1200 | 138 km |
| Adatarayama | Stratovolcano(es) | 1,728 m (5,669 ft) | 1996 | 143 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 37°F (3°C) | 1.5 in | Coldest, Driest |
| February | 38°F (3°C) | 2.1 in | |
| March | 44°F (6°C) | 3.1 in | |
| April | 54°F (12°C) | 4.1 in | |
| May | 63°F (17°C) | 4.8 in | |
| June | 69°F (20°C) | 6.4 in | |
| July | 75°F (24°C) | 5.8 in | |
| August | 78°F (26°C) | 6.1 in | Warmest |
| September | 71°F (22°C) | 7.2 in | Wettest |
| October | 61°F (16°C) | 5.6 in | |
| November | 50°F (10°C) | 2.8 in | |
| December | 41°F (5°C) | 1.6 in |
Mibu has a seasonal temperature swing of 41°F / from 37°F in January to 78°F in August. Total annual precipitation is 50.9 inches, with September being the wettest month (7.2") and January the driest (1.5").