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Weather & Climate in Hagi, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Hagi enjoys a temperate climate with an average annual temperature of 58°F (15°C). Winters average 40°F in January while summers reach 77°F in July. The area gets 206 sunny days per year. Annual precipitation totals 71.9 inches (wetter than the 38-inch national average). The city sits at an elevation of 102 feet.
Temperature
40°F Jan (4°C)
77°F Jul (25°C)
| Annual Average | 58.2°F |
| 8% above US avg | |
| January Average | 40°F (4°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 206 days/yr |
Geography
| Elevation | 102 ft (31 m) |
| Area | 269.6 sq mi (698.3 km²) |
| Population Density | 166/sq mi |
| Coordinates | 34.4000°N, 131.4167°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
133 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.8.
| Mar 24, 2001 | 16 km SSW of Kure, Japan | M6.8 | 108 km | 50 km |
| Mar 20, 2005 | 28 km NNW of Maebaru-ch??, Japan | M6.6 | 136 km | 10 km |
| Jun 11, 2006 | 15 km S of Tsukawaki, Japan | M6.3 | 143 km | 140 km |
| Mar 13, 2014 | 32 km SSW of Hikari, Japan | M6.3 | 88 km | 79 km |
| Jun 25, 1997 | 17 km E of Hagi, Japan | M5.9 | 17 km | 10 km |
| Apr 8, 2018 | 8 km NNE of ?dach?-?da, Japan | M5.7 | 141 km | 10 km |
| Apr 19, 2005 | 8 km NNW of Maebaru-ch??, Japan | M5.5 | 142 km | 19 km |
| May 22, 1998 | 9 km NE of Bungo-Takada-shi, Japan | M5.5 | 87 km | 81 km |
| Jul 17, 2021 | 29 km NE of Kitsuki, Japan | M5.2 | 95 km | 64 km |
| Mar 25, 2001 | 22 km WNW of H?j?, Japan | M5.2 | 112 km | 43 km |
| Oct 28, 1991 | 13 km SSW of Ube, Japan | M5.2 | 66 km | 17 km |
| Apr 2, 1997 | 34 km WSW of ?zu, Japan | M5.1 | 138 km | 46 km |
| Apr 15, 2016 | 11 km WSW of Beppu, Japan | M5.1 | 128 km | 10 km |
| Jan 3, 1991 | 22 km W of ?zu, Japan | M5.0 | 130 km | 63 km |
| Jun 3, 2011 | 9 km ENE of G?tsuch?, Japan | M5.0 | 108 km | 10 km |
| Aug 14, 1993 | 19 km SW of ?zu, Japan | M5.0 | 147 km | 41 km |
| Mar 22, 2005 | 17 km N of Maebaru-ch??, Japan | M4.9 | 135 km | 10 km |
| Aug 30, 1993 | 16 km WSW of ?zu, Japan | M4.9 | 140 km | 47 km |
| Feb 26, 2024 | 18 km N of Yawatahama, Japan | M4.9 | 126 km | 42 km |
| Jul 1, 2016 | 17 km NE of Kitsuki, Japan | M4.9 | 102 km | 79 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
47 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Shanshan | Category 1 | 86 mph | 235 km |
| 2022 | Nanmadol | Category 1 | 86 mph | 117 km |
| 2022 | Hinnamnor | Category 1 | 81 mph | 221 km |
| 2020 | Haishen | Category 2 | 98 mph | 216 km |
| 2020 | Maysak | Category 1 | 92 mph | 260 km |
| 2019 | Francisco | Category 1 | 81 mph | 183 km |
| 2018 | Jebi | Category 3 | 98 mph | 293 km |
| 2018 | Trami | Category 1 | 92 mph | 276 km |
| 2018 | Prapiroon | Category 1 | 69 mph | 215 km |
| 2017 | Noru | Category 1 | 69 mph | 252 km |
| 2016 | Malakas | Category 1 | 86 mph | 261 km |
| 2015 | Goni | Category 3 | 98 mph | 69 km |
| 2014 | Halong | Category 1 | 81 mph | 234 km |
| 2013 | Danas | Category 1 | 69 mph | 280 km |
| 2011 | Ma-on | Category 1 | 86 mph | 251 km |
| 2007 | Usagi | Category 2 | 92 mph | 35 km |
| 2007 | Man-yi | Category 1 | 81 mph | 228 km |
| 2006 | Shanshan | Category 1 | 92 mph | 104 km |
| 2005 | Nabi | Category 2 | 86 mph | 58 km |
| 2004 | Songda | Category 2 | 86 mph | 101 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tsunami History
6 tsunamis recorded within 500 km. Highest wave on record: 10.0 m (33 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1026 | OFF MASUDA, SHIMANE PREFECTURE | Earthquake | 10.0 m | 1,001 | 57 km |
| 1596 | BEPPU BAY, KYUSHU | Eruption + Earthquake | 8.0 m | 708 | 125 km |
| 1872 | SW. HONSHU ISLAND | Earthquake | 3.0 m | 804 | 77 km |
| 1715 | SEIKAIDO | Earthquake | - | - | 125 km |
| 1698 | SEIKAIDO-NANKAIDO | Earthquake | - | - | 125 km |
| 1597 | BEPPU BAY, JAPAN | Eruption + Earthquake | - | 40 | 124 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Abu (20 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Abu | Shield(s) | 641 m (2,103 ft) | -6850 | 20 km |
| Yufu-Tsurumi | Lava dome(s) | 1,584 m (5,197 ft) | 867 | 124 km |
| Sanbesan | Stratovolcano | 1,126 m (3,694 ft) | 650 | 138 km |
| Kujusan | Stratovolcano(es) | 1,791 m (5,876 ft) | 1996 | 147 km |
| Asosan | Caldera | 1,592 m (5,223 ft) | 2020 | 171 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (4°C) | 3.4 in | Coldest |
| February | 41°F (5°C) | 3.6 in | |
| March | 45°F (7°C) | 5.2 in | |
| April | 55°F (13°C) | 7.1 in | |
| May | 63°F (17°C) | 6.8 in | |
| June | 69°F (21°C) | 11.1 in | |
| July | 77°F (25°C) | 11.5 in | Wettest |
| August | 79°F (26°C) | 5.8 in | Warmest |
| September | 72°F (22°C) | 7.5 in | |
| October | 62°F (17°C) | 4.0 in | |
| November | 53°F (12°C) | 3.3 in | |
| December | 44°F (7°C) | 2.7 in | Driest |
Hagi has a seasonal temperature swing of 39°F / from 40°F in January to 79°F in August. Total annual precipitation is 71.9 inches, with July being the wettest month (11.5") and December the driest (2.7").