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Weather & Climate in Uchiko, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Uchiko enjoys a temperate climate with an average annual temperature of 58°F (15°C). Winters average 39°F in January while summers reach 77°F in July. The area gets 207 sunny days per year. Annual precipitation totals 71.3 inches (wetter than the 38-inch national average). The city sits at an elevation of 200 feet.
Temperature
39°F Jan (4°C)
77°F Jul (25°C)
| Annual Average | 58.4°F |
| 8% above US avg | |
| January Average | 39°F (4°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 207 days/yr |
Geography
| Elevation | 200 ft (61 m) |
| Area | 138.1 sq mi (357.6 km²) |
| Population Density | 111/sq mi |
| Coordinates | 33.5499°N, 132.6471°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
186 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 | 60 km | 50 km |
| Jun 11, 2006 | 15 km S of Tsukawaki, Japan | M6.3 | 147 km | 140 km |
| Mar 13, 2014 | 32 km SSW of Hikari, Japan | M6.3 | 78 km | 79 km |
| Apr 17, 2024 | 18 km W of Uwajima, Japan | M6.3 | 42 km | 32 km |
| Jan 21, 2022 | 27 km SSE of Saiki, Japan | M6.3 | 108 km | 39 km |
| Jun 25, 1997 | 17 km E of Hagi, Japan | M5.9 | 135 km | 10 km |
| Apr 25, 2001 | 18 km SE of Saiki, Japan | M5.7 | 99 km | 33 km |
| Jul 12, 2015 | 12 km SSW of Usuki, Japan | M5.5 | 102 km | 53 km |
| Mar 27, 2006 | 45 km SSE of Saiki, Japan | M5.5 | 115 km | 35 km |
| May 22, 1998 | 9 km NE of Bungo-Takada-shi, Japan | M5.5 | 105 km | 81 km |
| Mar 2, 2017 | 39 km SSE of Saiki, Japan | M5.3 | 114 km | 44 km |
| Jul 17, 2021 | 29 km NE of Kitsuki, Japan | M5.2 | 77 km | 64 km |
| Mar 25, 2001 | 22 km WNW of H?j?, Japan | M5.2 | 53 km | 43 km |
| Oct 28, 1991 | 13 km SSW of Ube, Japan | M5.2 | 135 km | 17 km |
| Jan 29, 2012 | 13 km E of Nobeoka, Japan | M5.1 | 133 km | 62 km |
| Apr 15, 2016 | 11 km WSW of Beppu, Japan | M5.1 | 123 km | 10 km |
| Apr 26, 2007 | 15 km ESE of Niihama, Japan | M5.1 | 84 km | 50 km |
| Apr 2, 1997 | 34 km WSW of ?zu, Japan | M5.1 | 45 km | 46 km |
| Apr 15, 2016 | 13 km SW of Saiki, Japan | M5.1 | 110 km | 10 km |
| Jan 3, 1991 | 22 km W of ?zu, Japan | M5.0 | 32 km | 63 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
58 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Shanshan | Category 2 | 98 mph | 248 km |
| 2023 | Lan | Category 1 | 69 mph | 283 km |
| 2022 | Nanmadol | Category 2 | 98 mph | 190 km |
| 2019 | Francisco | Category 1 | 81 mph | 194 km |
| 2018 | Jebi | Category 3 | 98 mph | 156 km |
| 2018 | Trami | Category 1 | 98 mph | 143 km |
| 2018 | Cimaron | Category 1 | 92 mph | 182 km |
| 2017 | Noru | Category 1 | 69 mph | 109 km |
| 2016 | Malakas | Category 2 | 86 mph | 115 km |
| 2015 | Goni | Category 3 | 104 mph | 202 km |
| 2015 | Nangka | Category 1 | 86 mph | 165 km |
| 2014 | Phanfone | Category 2 | 92 mph | 215 km |
| 2014 | Halong | Category 1 | 86 mph | 86 km |
| 2012 | Jelawat | Category 1 | 92 mph | 235 km |
| 2011 | Roke | Category 4 | 98 mph | 279 km |
| 2011 | Ma-on | Category 1 | 86 mph | 108 km |
| 2009 | Melor | Category 1 | 92 mph | 278 km |
| 2008 | Sinlaku | Category 1 | 75 mph | 179 km |
| 2007 | Usagi | Category 3 | 98 mph | 123 km |
| 2007 | Man-yi | Category 2 | 86 mph | 96 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tsunami History
7 tsunamis recorded within 500 km. Highest wave on record: 8.0 m (26 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1596 | BEPPU BAY, KYUSHU | Eruption + Earthquake | 8.0 m | 708 | 92 km |
| 1968 | SEIKAIDO | Earthquake | 3.1 m | 1 | 140 km |
| 1984 | KYUSHU, JAPAN | Earthquake | 0.2 m | - | 145 km |
| 1899 | SEIKAIDO | Earthquake | - | - | 100 km |
| 1715 | SEIKAIDO | Earthquake | - | - | 92 km |
| 1698 | SEIKAIDO-NANKAIDO | Earthquake | - | - | 92 km |
| 1597 | BEPPU BAY, JAPAN | Eruption + Earthquake | - | 40 | 101 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Yufu-Tsurumi (120 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Yufu-Tsurumi | Lava dome(s) | 1,584 m (5,197 ft) | 867 | 120 km |
| Kujusan | Stratovolcano(es) | 1,791 m (5,876 ft) | 1996 | 140 km |
| Abu | Shield(s) | 641 m (2,103 ft) | -6850 | 143 km |
| Asosan | Caldera | 1,592 m (5,223 ft) | 2020 | 162 km |
| Sanbesan | Stratovolcano | 1,126 m (3,694 ft) | 650 | 177 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 39°F (4°C) | 2.4 in | Coldest, Driest |
| February | 40°F (5°C) | 3.2 in | |
| March | 46°F (8°C) | 4.8 in | |
| April | 56°F (13°C) | 6.9 in | |
| May | 63°F (17°C) | 7.2 in | |
| June | 70°F (21°C) | 10.6 in | Wettest |
| July | 77°F (25°C) | 9.8 in | |
| August | 79°F (26°C) | 6.4 in | Warmest |
| September | 72°F (22°C) | 8.7 in | |
| October | 62°F (17°C) | 5.5 in | |
| November | 53°F (11°C) | 3.2 in | |
| December | 43°F (6°C) | 2.6 in |
Uchiko has a seasonal temperature swing of 40°F / from 39°F in January to 79°F in August. Total annual precipitation is 71.3 inches, with June being the wettest month (10.6") and January the driest (2.4").