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Weather & Climate in Moriyama, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Moriyama enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 39°F in January while summers reach 78°F in July. The area gets 219 sunny days per year. Annual precipitation totals 64.3 inches (wetter than the 38-inch national average). The city sits at an elevation of 302 feet.
Temperature
39°F Jan (4°C)
78°F Jul (25°C)
| Annual Average | 58.0°F |
| 7% above US avg | |
| January Average | 39°F (4°C) |
| July Average | 78°F (25°C) |
| Sunny Days | 219 days/yr |
Geography
| Elevation | 302 ft (92 m) |
| Area | 21.5 sq mi (55.7 km²) |
| Population Density | 3,972/sq mi |
| Coordinates | 35.0667°N, 135.9833°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
438 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.9.
| Jan 16, 1995 | 8 km S of Akashi, Japan | M6.9 | 103 km | 22 km |
| Apr 11, 1990 | 11 km ENE of Maizuru, Japan | M6.1 | 66 km | 362 km |
| Jun 1, 1998 | 17 km SW of Owase, Japan | M5.8 | 125 km | 399 km |
| Apr 12, 2013 | 6 km WNW of Sumoto, Japan | M5.8 | 131 km | 14 km |
| Aug 7, 1992 | 21 km N of Miyazu, Japan | M5.8 | 105 km | 358 km |
| Aug 20, 1999 | 22 km SE of Kainan, Japan | M5.7 | 128 km | 66 km |
| Nov 18, 2013 | 25 km SE of Toba, Japan | M5.6 | 127 km | 328 km |
| Mar 16, 1997 | 5 km NE of Toyokawa, Japan | M5.6 | 135 km | 36 km |
| Aug 1, 2007 | 42 km ESE of Owase, Japan | M5.5 | 142 km | 371 km |
| Jun 17, 2018 | near the south coast of western Honshu, Japan | M5.5 | 41 km | 10 km |
| Oct 30, 2000 | western Honshu, Japan | M5.5 | 88 km | 35 km |
| Apr 21, 2000 | 27 km NNE of Maizuru, Japan | M5.5 | 81 km | 347 km |
| Aug 26, 2010 | 25 km ENE of Katsuyama, Japan | M5.4 | 137 km | 278 km |
| Sep 24, 2003 | 5 km WNW of Ayabe, Japan | M5.4 | 77 km | 372 km |
| May 9, 2022 | 7 km NE of Toba, Japan | M5.3 | 102 km | 329 km |
| Jan 6, 2004 | 36 km S of Ise, Japan | M5.3 | 119 km | 33 km |
| Jan 30, 1996 | 67 km NNE of Miyazu, Japan | M5.2 | 131 km | 361 km |
| Apr 22, 1998 | 18 km SE of Hikone, Japan | M5.2 | 41 km | 33 km |
| Feb 7, 1996 | 10 km SE of Ono, Japan | M5.1 | 109 km | 42 km |
| Mar 16, 1999 | 10 km WNW of Kitahama, Japan | M5.1 | 22 km | 33 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
48 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 | 154 km |
| 2019 | Faxai | Category 4 | 98 mph | 296 km |
| 2019 | Hagibis | Category 2 | 92 mph | 253 km |
| 2018 | Jebi | Category 3 | 98 mph | 59 km |
| 2018 | Trami | Category 1 | 92 mph | 148 km |
| 2018 | Cimaron | Category 1 | 86 mph | 128 km |
| 2018 | Jongdari | Category 1 | 81 mph | 120 km |
| 2017 | Lan | Category 1 | 98 mph | 217 km |
| 2017 | Noru | Category 1 | 69 mph | 144 km |
| 2015 | Nangka | Category 1 | 81 mph | 277 km |
| 2014 | Phanfone | Category 1 | 86 mph | 145 km |
| 2012 | Jelawat | Category 1 | 92 mph | 292 km |
| 2011 | Roke | Category 3 | 98 mph | 150 km |
| 2011 | Ma-on | Category 1 | 86 mph | 207 km |
| 2009 | Melor | Category 1 | 86 mph | 131 km |
| 2008 | Sinlaku | Category 1 | 75 mph | 194 km |
| 2007 | Fitow | Category 1 | 81 mph | 265 km |
| 2005 | Mawar | Category 2 | 86 mph | 233 km |
| 2004 | Ma-on | Category 4 | 92 mph | 228 km |
| 2004 | Songda | Category 1 | 81 mph | 277 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tsunami History
11 tsunamis recorded within 500 km. Highest wave on record: 11.3 m (37 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1927 | SW. HONSHU ISLAND | Eruption + Earthquake | 11.3 m | 3,022 | 100 km |
| 1510 | OSAKA BAY | Earthquake | 2.0 m | - | 74 km |
| 1909 | ANEGAWA, JAPAN | Earthquake | 1.8 m | 41 | 47 km |
| 1945 | TOKAIDO | Earthquake | 1.0 m | 2,306 | 118 km |
| 1995 | KOBE, JAPAN | Earthquake | 0.3 m | 6,434 | 99 km |
| 1791 | OASAKA BAY | Earthquake | - | - | 83 km |
| 1726 | KATSUYAMA | Earthquake | - | - | 137 km |
| 1666 | AICHI PREFECTURE | Earthquake | - | - | 75 km |
| 1586 | ISE BAY | Earthquake | - | 8,000 | 75 km |
| 745 | OSAKA BAY, JAPAN | Earthquake | - | - | 81 km |
| 701 | SEA OF JAPAN | Earthquake | - | - | 88 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
4 volcanoes within 200 km. Closest: Hakusan (140 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Hakusan | Stratovolcano | 2,702 m (8,865 ft) | 1659 | 140 km |
| Ontakesan | Complex | 3,067 m (10,062 ft) | 2014 | 164 km |
| Norikuradake | Stratovolcano(es) | 3,026 m (9,928 ft) | -50 | 183 km |
| Yakedake | Stratovolcano(es) | 2,455 m (8,054 ft) | 1995 | 194 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 39°F (4°C) | 3.1 in | Coldest |
| February | 39°F (4°C) | 3.4 in | |
| March | 44°F (7°C) | 4.6 in | |
| April | 54°F (12°C) | 5.7 in | |
| May | 63°F (17°C) | 5.9 in | |
| June | 70°F (21°C) | 9.0 in | Wettest |
| July | 78°F (25°C) | 8.6 in | |
| August | 80°F (27°C) | 5.6 in | Warmest |
| September | 73°F (23°C) | 7.8 in | |
| October | 62°F (17°C) | 4.8 in | |
| November | 52°F (11°C) | 3.3 in | |
| December | 43°F (6°C) | 2.6 in | Driest |
Moriyama has a seasonal temperature swing of 41°F / from 39°F in January to 80°F in August. Total annual precipitation is 64.3 inches, with June being the wettest month (9.0") and December the driest (2.6").