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Weather & Climate in Ojika, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ojika enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 45°F in January while summers reach 78°F in July. The area gets 187 sunny days per year. Annual precipitation totals 82.0 inches (wetter than the 38-inch national average).
Temperature
45°F Jan (7°C)
78°F Jul (25°C)
| Annual Average | 61.3°F |
| 14% above US avg | |
| January Average | 45°F (7°C) |
| July Average | 78°F (25°C) |
| Sunny Days | 187 days/yr |
Geography
| Area | 916.3 sq mi (2,373.1 km²) |
| Population Density | 3/sq mi |
| Coordinates | 33.1833°N, 129.0667°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
43 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.6.
| Mar 20, 2005 | 28 km NNW of Maebaru-ch??, Japan | M6.6 | 121 km | 10 km |
| Apr 19, 2005 | 8 km NNW of Maebaru-ch??, Japan | M5.5 | 115 km | 19 km |
| Apr 28, 2016 | 10 km ESE of Shimabara, Japan | M4.9 | 139 km | 10 km |
| Mar 22, 2005 | 17 km N of Maebaru-ch??, Japan | M4.9 | 121 km | 10 km |
| Feb 3, 2006 | 19 km SW of Ushibukamachi, Japan | M4.8 | 141 km | 35 km |
| Apr 10, 2005 | 10 km NNE of Maebaru-ch??, Japan | M4.7 | 120 km | 24 km |
| Apr 16, 2016 | 13 km WSW of Kumamoto, Japan | M4.7 | 146 km | 3 km |
| Jan 3, 2019 | 2 km NE of ?muta, Japan | M4.7 | 132 km | 10 km |
| Jun 9, 2017 | 12 km S of Kashima, Japan | M4.7 | 96 km | 12 km |
| Apr 19, 2017 | 19 km NNW of Hondomachi-hondo, Japan | M4.7 | 115 km | 10 km |
| Apr 20, 2005 | 11 km NE of Maebaru-ch??, Japan | M4.7 | 123 km | 39 km |
| Aug 31, 2016 | 10 km NW of Uto, Japan | M4.6 | 150 km | 10 km |
| Jan 25, 2019 | 79 km SSE of Fukuech?, Japan | M4.6 | 129 km | 10 km |
| May 1, 2005 | 6 km NE of Maebaru-ch??, Japan | M4.6 | 119 km | 10 km |
| Jul 25, 2025 | 10 km E of Nagasaki, Japan | M4.6 | 99 km | 10 km |
| Jun 29, 2005 | 80 km SE of Kyosai, South Korea | M4.5 | 131 km | 15 km |
| Feb 23, 2019 | 7 km ESE of Nagasaki, Japan | M4.5 | 98 km | 10 km |
| Jun 27, 1991 | 16 km E of Hondomachi-hondo, Japan | M4.5 | 143 km | 33 km |
| Apr 1, 2005 | 14 km SW of ?noj?, Japan | M4.4 | 124 km | 10 km |
| Apr 19, 2005 | 2 km SE of Shing?, Japan | M4.4 | 141 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
59 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Shanshan | Category 2 | 104 mph | 138 km |
| 2022 | Nanmadol | Category 2 | 104 mph | 124 km |
| 2022 | Hinnamnor | Category 2 | 92 mph | 144 km |
| 2020 | Haishen | Category 2 | 98 mph | 21 km |
| 2020 | Maysak | Category 2 | 98 mph | 109 km |
| 2019 | Francisco | Category 1 | 81 mph | 146 km |
| 2018 | Kong-rey | Category 1 | 75 mph | 234 km |
| 2018 | Prapiroon | Category 1 | 75 mph | 25 km |
| 2016 | Malakas | Category 3 | 109 mph | 259 km |
| 2016 | Chaba | Category 2 | 92 mph | 162 km |
| 2016 | Namtheun | Category 1 | 69 mph | 276 km |
| 2015 | Goni | Category 3 | 104 mph | 132 km |
| 2014 | Neoguri | Category 1 | 75 mph | 248 km |
| 2013 | Danas | Category 3 | 92 mph | 78 km |
| 2012 | Sanba | Category 3 | 104 mph | 109 km |
| 2012 | Damrey | Category 1 | 63 mph | 241 km |
| 2007 | Nari | Category 2 | 92 mph | 195 km |
| 2007 | Usagi | Category 2 | 92 mph | 210 km |
| 2007 | Man-yi | Category 2 | 86 mph | 248 km |
| 2006 | Shanshan | Category 2 | 98 mph | 62 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tsunami History
2 tsunamis recorded within 500 km. Highest wave on record: 55.0 m (180 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1792 | SHIMABARA BAY, KYUSHU ISLAND | Landslide | 55.0 m | 15,000 | 125 km |
| 1828 | AMAKUSA SEA | Earthquake | - | - | 101 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
3 volcanoes within 200 km. Closest: Fukue (62 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Fukue | Shield(s) | 315 m (1,033 ft) | -400 | 62 km |
| Unzendake | Complex | 1,483 m (4,865 ft) | 1996 | 124 km |
| Asosan | Caldera | 1,592 m (5,223 ft) | 2020 | 193 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 45°F (7°C) | 3.3 in | Coldest |
| February | 45°F (7°C) | 3.7 in | |
| March | 50°F (10°C) | 5.5 in | |
| April | 57°F (14°C) | 8.5 in | |
| May | 64°F (18°C) | 8.4 in | |
| June | 70°F (21°C) | 12.2 in | Wettest |
| July | 78°F (25°C) | 10.9 in | |
| August | 80°F (27°C) | 8.3 in | Warmest |
| September | 74°F (23°C) | 9.8 in | |
| October | 66°F (19°C) | 4.0 in | |
| November | 57°F (14°C) | 4.1 in | |
| December | 49°F (9°C) | 3.2 in | Driest |
Ojika has a seasonal temperature swing of 35°F / from 45°F in January to 80°F in August. Total annual precipitation is 82.0 inches, with June being the wettest month (12.2") and December the driest (3.2").