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Weather & Climate in Yomitan, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Yomitan has a warm climate with an average annual temperature of 73°F (23°C). Winters average 61°F in January while summers reach 84°F in July. The area gets 186 sunny days per year. Annual precipitation totals 82.7 inches (wetter than the 38-inch national average). The city sits at an elevation of 233 feet.
Temperature
61°F Jan (16°C)
84°F Jul (29°C)
| Annual Average | 72.7°F |
| 35% above US avg | |
| January Average | 61°F (16°C) |
| July Average | 84°F (29°C) |
| Sunny Days | 186 days/yr |
Geography
| Elevation | 233 ft (71 m) |
| Area | 240.5 sq mi (622.9 km²) |
| Population Density | 171/sq mi |
| Coordinates | 26.4017°N, 127.7450°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
951 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.0.
| Feb 26, 2010 | 70 km SE of Katsuren-haebaru, Japan | M7.0 | 86 km | 25 km |
| Mar 2, 2014 | 109 km NW of Nago, Japan | M6.5 | 120 km | 119 km |
| Jul 22, 2004 | 91 km E of Nago, Japan | M6.1 | 115 km | 21 km |
| Apr 14, 1991 | 82 km NW of Nago, Japan | M6.0 | 90 km | 83 km |
| Aug 7, 2007 | 136 km WNW of Nago, Japan | M6.0 | 134 km | 18 km |
| Jul 8, 2008 | 107 km NNE of Nago, Japan | M6.0 | 139 km | 43 km |
| May 1, 2023 | 69 km ESE of Katsuren-haebaru, Japan | M5.9 | 85 km | 9 km |
| Jul 31, 2007 | 134 km NW of Nago, Japan | M5.9 | 134 km | 10 km |
| Jun 2, 1996 | 102 km NNE of Nago, Japan | M5.8 | 135 km | 42 km |
| May 17, 1990 | 13 km W of Nago, Japan | M5.8 | 26 km | 33 km |
| Apr 20, 2007 | 102 km NNE of Nago, Japan | M5.7 | 135 km | 42 km |
| Sep 26, 2016 | 110 km NNE of Nago, Japan | M5.7 | 144 km | 38 km |
| Mar 17, 2022 | 146 km WNW of Naha, Japan | M5.7 | 144 km | 9 km |
| Feb 8, 2022 | Ryukyu Islands, Japan | M5.6 | 131 km | 10 km |
| Jun 3, 2022 | 140 km WNW of Naha, Japan | M5.6 | 138 km | 10 km |
| Jun 13, 2013 | 90 km E of Nago, Japan | M5.6 | 115 km | 20 km |
| Jan 15, 1995 | 109 km NNE of Nago, Japan | M5.6 | 142 km | 47 km |
| Feb 21, 2022 | 143 km WNW of Naha, Japan | M5.6 | 140 km | 11 km |
| Apr 13, 2022 | 145 km WNW of Naha, Japan | M5.6 | 142 km | 8 km |
| Apr 9, 1997 | 69 km ESE of Katsuren-haebaru, Japan | M5.5 | 84 km | 33 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
103 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Bebinca | Category 1 | 75 mph | 280 km |
| 2023 | Khanun | Category 4 | 109 mph | 101 km |
| 2022 | Hinnamnor | Category 4 | 115 mph | 159 km |
| 2021 | In-fa | Category 2 | 98 mph | 245 km |
| 2020 | Maysak | Category 4 | 109 mph | 129 km |
| 2020 | Bavi | Category 2 | 86 mph | 183 km |
| 2019 | Lingling | Category 4 | 109 mph | 255 km |
| 2019 | Neoguri | Category 2 | 81 mph | 235 km |
| 2019 | Tapah | Category 1 | 75 mph | 240 km |
| 2018 | Maria | Category 3 | 109 mph | 266 km |
| 2018 | Trami | Category 2 | 98 mph | 34 km |
| 2018 | Prapiroon | Category 1 | 75 mph | 97 km |
| 2018 | Kong-rey | Category 1 | 75 mph | 148 km |
| 2017 | Talim | Category 3 | 104 mph | 253 km |
| 2017 | Saola | Category 1 | 69 mph | 101 km |
| 2016 | Chaba | Category 5 | 132 mph | 115 km |
| 2016 | Namtheun | Category 3 | 81 mph | 265 km |
| 2016 | Malakas | Category 3 | 109 mph | 293 km |
| 2015 | Chan-hom | Category 4 | 104 mph | 185 km |
| 2015 | Goni | Category 4 | 115 mph | 123 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
2 tsunamis recorded within 500 km. Highest wave on record: 1.2 m (4 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1768 | RYUKYU ISLANDS | Earthquake | 1.2 m | — | 33 km |
| 2010 | RYUKYU ISLANDS | Earthquake | 0.1 m | — | 86 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: Io-Torishima (171 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Io-Torishima | Complex | 212 m (696 ft) | 1968 | 171 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 61°F (16°C) | 4.8 in | Coldest |
| February | 62°F (16°C) | 5.0 in | |
| March | 65°F (18°C) | 6.7 in | |
| April | 70°F (21°C) | 7.4 in | |
| May | 75°F (24°C) | 9.5 in | |
| June | 80°F (27°C) | 9.2 in | |
| July | 84°F (29°C) | 6.9 in | Warmest |
| August | 83°F (28°C) | 9.5 in | Wettest |
| September | 81°F (27°C) | 7.7 in | |
| October | 77°F (25°C) | 6.7 in | |
| November | 71°F (22°C) | 5.2 in | |
| December | 65°F (18°C) | 4.3 in | Driest |
Yomitan has a seasonal temperature swing of 22°F / from 61°F in January to 84°F in July. Total annual precipitation is 82.7 inches, with August being the wettest month (9.5") and December the driest (4.3").