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Weather & Climate in Owase, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Owase enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 42°F in January while summers reach 76°F in July. The area gets 191 sunny days per year. Annual precipitation totals 79.9 inches (wetter than the 38-inch national average). The city sits at an elevation of 13 feet.
Temperature
42°F Jan (6°C)
76°F Jul (25°C)
| Annual Average | 59.3°F |
| 10% above US avg | |
| January Average | 42°F (6°C) |
| July Average | 76°F (25°C) |
| Sunny Days | 191 days/yr |
Geography
| Elevation | 13 ft (4 m) |
| Area | 74.4 sq mi (192.7 km²) |
| Population Density | 227/sq mi |
| Coordinates | 34.0667°N, 136.2000°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
664 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.4.
| Sep 5, 2004 | 118 km ESE of Shing?, Japan | M7.4 | 127 km | 10 km |
| Sep 5, 2004 | 94 km SE of Shing?, Japan | M7.2 | 117 km | 14 km |
| Jan 16, 1995 | 8 km S of Akashi, Japan | M6.9 | 123 km | 22 km |
| Sep 6, 2004 | 129 km ESE of Shing?, Japan | M6.6 | 135 km | 10 km |
| Sep 5, 2004 | 119 km ESE of Shing?, Japan | M6.5 | 127 km | 15 km |
| Jul 27, 2019 | 138 km ESE of Shing?, Japan | M6.3 | 144 km | 367 km |
| Sep 8, 2004 | 130 km ESE of Shing?, Japan | M6.1 | 139 km | 21 km |
| Jul 7, 1995 | 62 km SSE of Toba, Japan | M6.0 | 86 km | 333 km |
| Apr 1, 2016 | 54 km SE of Shing?, Japan | M5.9 | 78 km | 14 km |
| Apr 12, 2013 | 6 km WNW of Sumoto, Japan | M5.8 | 131 km | 14 km |
| May 23, 1997 | 38 km SSE of Tahara, Japan | M5.8 | 123 km | 11 km |
| Jun 1, 1998 | 17 km SW of Owase, Japan | M5.8 | 17 km | 399 km |
| Feb 26, 2025 | 38 km ESE of Shingū, Japan | M5.8 | 54 km | 388 km |
| Aug 20, 1999 | 22 km SE of Kainan, Japan | M5.7 | 73 km | 66 km |
| Sep 5, 2004 | 93 km SE of Shing?, Japan | M5.7 | 107 km | 10 km |
| Mar 16, 1997 | 5 km NE of Toyokawa, Japan | M5.6 | 144 km | 36 km |
| Nov 18, 2013 | 25 km SE of Toba, Japan | M5.6 | 83 km | 328 km |
| Feb 22, 2005 | 124 km ESE of Shing?, Japan | M5.6 | 132 km | 370 km |
| Sep 10, 2004 | 88 km SSE of Shing?, Japan | M5.6 | 115 km | 10 km |
| Sep 7, 2004 | 116 km ESE of Shing?, Japan | M5.6 | 124 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
55 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Nakri | Category 1 | - | 262 km |
| 2023 | Lan | Category 2 | 81 mph | 62 km |
| 2019 | Faxai | Category 4 | 98 mph | 257 km |
| 2019 | Hagibis | Category 3 | 98 mph | 189 km |
| 2018 | Jebi | Category 3 | 98 mph | 122 km |
| 2018 | Trami | Category 1 | 92 mph | 71 km |
| 2018 | Cimaron | Category 1 | 92 mph | 150 km |
| 2018 | Jongdari | Category 1 | 81 mph | 96 km |
| 2017 | Lan | Category 2 | 104 mph | 119 km |
| 2017 | Noru | Category 1 | 69 mph | 102 km |
| 2016 | Malakas | Category 1 | 81 mph | 287 km |
| 2015 | Nangka | Category 1 | 86 mph | 212 km |
| 2014 | Phanfone | Category 2 | 92 mph | 50 km |
| 2014 | Halong | Category 1 | 81 mph | 294 km |
| 2013 | Wipha | Category 1 | 81 mph | 279 km |
| 2012 | Jelawat | Category 1 | 92 mph | 203 km |
| 2011 | Roke | Category 4 | 98 mph | 58 km |
| 2011 | Ma-on | Category 1 | 86 mph | 157 km |
| 2010 | Chaba | Category 1 | 75 mph | 240 km |
| 2009 | Melor | Category 1 | 92 mph | 38 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tsunami History
20 tsunamis recorded within 500 km. Highest wave on record: 11.0 m (36 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1707 | ENSHUNADA | Earthquake | 11.0 m | 2,000 | 147 km |
| 1944 | OFF SOUTHEAST COAST KII PENINSULA | Earthquake | 10.0 m | 1,223 | 83 km |
| 1096 | ENSHUNADA | Earthquake | 7.0 m | - | 120 km |
| 1946 | HONSHU: S COAST | Earthquake | 6.6 m | 1,362 | 108 km |
| 1855 | ENSHUNADA | Earthquake | 3.0 m | - | 137 km |
| 1520 | KII, KUMANANONADA | Earthquake | 2.0 m | - | 53 km |
| 1510 | OSAKA BAY | Earthquake | 2.0 m | - | 94 km |
| 1408 | KUMANONADA | Earthquake | 2.0 m | - | 71 km |
| 1403 | KUMANONADA | Earthquake | 2.0 m | - | 49 km |
| 922 | KUMANONADA | Earthquake | 2.0 m | - | 55 km |
| 1909 | ANEGAWA, JAPAN | Earthquake | 1.8 m | 41 | 149 km |
| 1808 | E. AWA, TOKUSHIMA PREFECTURE | Earthquake | 1.5 m | - | 130 km |
| 1945 | TOKAIDO | Earthquake | 1.0 m | 2,306 | 116 km |
| 2004 | SOUTH COAST HONSHU ISLAND | Earthquake | 0.9 m | - | 127 km |
| 2004 | SOUTH COAST HONSHU ISLAND | Earthquake | 0.6 m | - | 117 km |
| 1948 | TOKAIDO | Earthquake | 0.6 m | - | 121 km |
| 1995 | KOBE, JAPAN | Earthquake | 0.3 m | 6,434 | 119 km |
| 1791 | OASAKA BAY | Earthquake | - | - | 88 km |
| 1708 | TOKAIDO | Earthquake | - | - | 74 km |
| 1666 | AICHI PREFECTURE | Earthquake | - | - | 117 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (6°C) | 2.2 in | Coldest |
| February | 42°F (6°C) | 3.1 in | |
| March | 47°F (8°C) | 5.2 in | |
| April | 56°F (13°C) | 7.3 in | |
| May | 63°F (17°C) | 7.6 in | |
| June | 69°F (21°C) | 11.4 in | Wettest |
| July | 76°F (25°C) | 8.9 in | |
| August | 78°F (26°C) | 8.5 in | Warmest |
| September | 73°F (23°C) | 11.2 in | |
| October | 63°F (17°C) | 7.8 in | |
| November | 55°F (13°C) | 4.7 in | |
| December | 46°F (8°C) | 2.1 in | Driest |
Owase has a seasonal temperature swing of 36°F / from 42°F in January to 78°F in August. Total annual precipitation is 79.9 inches, with June being the wettest month (11.4") and December the driest (2.1").