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Weather & Climate in Motoyama, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Motoyama experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 35°F in January while summers reach 74°F in July. The area gets 187 sunny days per year. Annual precipitation totals 82.4 inches (wetter than the 38-inch national average). The area receives 2.1 inches of snow annually. The city sits at an elevation of 3,189 feet.
Temperature
35°F Jan (2°C)
74°F Jul (23°C)
| Annual Average | 54.7°F |
| 1% above US avg | |
| January Average | 35°F (2°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 187 days/yr |
Geography
| Elevation | 3,189 ft (972 m) |
| Area | 228.4 sq mi (591.6 km²) |
| Population Density | 16/sq mi |
| Coordinates | 33.7940°N, 133.5811°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
152 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 | 103 km | 50 km |
| Apr 17, 2024 | 18 km W of Uwajima, Japan | M6.3 | 128 km | 32 km |
| Apr 12, 2013 | 6 km WNW of Sumoto, Japan | M5.8 | 131 km | 14 km |
| Mar 25, 2001 | 22 km WNW of H?j?, Japan | M5.2 | 99 km | 43 km |
| Mar 13, 2019 | 22 km ESE of Anan, Japan | M5.2 | 118 km | 37 km |
| Apr 26, 2007 | 15 km ESE of Niihama, Japan | M5.1 | 17 km | 50 km |
| Apr 2, 1997 | 34 km WSW of ?zu, Japan | M5.1 | 135 km | 46 km |
| Aug 14, 1993 | 19 km SW of ?zu, Japan | M5.0 | 119 km | 41 km |
| Jan 3, 1991 | 22 km W of ?zu, Japan | M5.0 | 123 km | 63 km |
| Jul 5, 2011 | 12 km NNW of Gob?, Japan | M5.0 | 145 km | 16 km |
| Jan 16, 1995 | 20 km SW of Akashi, Japan | M5.0 | 142 km | 10 km |
| Jan 9, 2001 | 40 km W of ?zu, Japan | M4.9 | 137 km | 49 km |
| Mar 11, 2019 | 6 km SE of Kihoku-ch?, Japan | M4.9 | 102 km | 44 km |
| Jun 16, 2022 | 5 km S of Komatsushimach?, Japan | M4.9 | 93 km | 40 km |
| Sep 28, 1990 | 24 km NNW of Kariya, Japan | M4.9 | 142 km | 26 km |
| Feb 26, 2024 | 18 km N of Yawatahama, Japan | M4.9 | 110 km | 42 km |
| Aug 22, 1994 | 39 km S of Anan, Japan | M4.9 | 98 km | 38 km |
| Aug 30, 1993 | 16 km WSW of ?zu, Japan | M4.9 | 117 km | 47 km |
| Jun 18, 2021 | 1 km ENE of ?zu, Japan | M4.9 | 99 km | 42 km |
| Oct 13, 2002 | 30 km WNW of Uwajima, Japan | M4.8 | 133 km | 44 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
51 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2023 | Lan | Category 2 | 75 mph | 196 km |
| 2022 | Nanmadol | Category 2 | 98 mph | 277 km |
| 2019 | Francisco | Category 1 | 81 mph | 271 km |
| 2018 | Jebi | Category 3 | 98 mph | 86 km |
| 2018 | Trami | Category 1 | 98 mph | 101 km |
| 2018 | Cimaron | Category 1 | 92 mph | 95 km |
| 2017 | Noru | Category 1 | 69 mph | 72 km |
| 2016 | Malakas | Category 2 | 86 mph | 111 km |
| 2015 | Goni | Category 3 | 92 mph | 280 km |
| 2015 | Nangka | Category 1 | 86 mph | 111 km |
| 2014 | Phanfone | Category 2 | 92 mph | 190 km |
| 2014 | Halong | Category 1 | 81 mph | 92 km |
| 2012 | Jelawat | Category 1 | 92 mph | 181 km |
| 2011 | Roke | Category 4 | 98 mph | 223 km |
| 2011 | Ma-on | Category 1 | 86 mph | 74 km |
| 2009 | Melor | Category 1 | 92 mph | 224 km |
| 2008 | Sinlaku | Category 1 | 75 mph | 152 km |
| 2007 | Usagi | Category 3 | 98 mph | 211 km |
| 2007 | Man-yi | Category 2 | 86 mph | 142 km |
| 2006 | Shanshan | Category 1 | 81 mph | 295 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
5 tsunamis recorded within 500 km. Highest wave on record: 25.7 m (84 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1707 | NANKAIDO | Earthquake | 25.7 m | 5,000 | 131 km |
| 684 | NANKAIDO | Earthquake | 3.0 m | — | 149 km |
| 1711 | SEIONAIKAI, JAPAN | Earthquake | 2.0 m | 1,000 | 68 km |
| 1808 | E. AWA, TOKUSHIMA PREFECTURE | Earthquake | 1.5 m | — | 113 km |
| 1331 | OFF TANABE, WAKAYAMA PREFECTURE | Earthquake | — | — | 150 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Sanbesan (174 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Sanbesan | Stratovolcano | 1,126 m (3,694 ft) | 650 | 174 km |
| Abu | Shield(s) | 641 m (2,103 ft) | -6850 | 199 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 35°F (2°C) | 2.1 in | Coldest, Driest |
| February | 36°F (2°C) | 3.3 in | |
| March | 42°F (6°C) | 5.2 in | |
| April | 53°F (11°C) | 8.2 in | |
| May | 60°F (16°C) | 9.1 in | |
| June | 66°F (19°C) | 13.1 in | Wettest |
| July | 74°F (23°C) | 12.1 in | |
| August | 75°F (24°C) | 6.5 in | Warmest |
| September | 69°F (20°C) | 10.8 in | |
| October | 59°F (15°C) | 6.2 in | |
| November | 49°F (9°C) | 3.7 in | |
| December | 39°F (4°C) | 2.1 in |
Motoyama has a seasonal temperature swing of 40°F / from 35°F in January to 75°F in August. Total annual precipitation is 82.5 inches, with June being the wettest month (13.1") and January the driest (2.1").