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Weather & Climate in Iga, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Iga enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 37°F in January while summers reach 76°F in July. The area gets 220 sunny days per year. Annual precipitation totals 63.8 inches (wetter than the 38-inch national average). The city sits at an elevation of 499 feet.
Temperature
37°F Jan (3°C)
76°F Jul (25°C)
| Annual Average | 56.6°F |
| 5% above US avg | |
| January Average | 37°F (3°C) |
| July Average | 76°F (25°C) |
| Sunny Days | 220 days/yr |
Geography
| Elevation | 499 ft (152 m) |
| Area | 283.9 sq mi (735.2 km²) |
| Population Density | 313/sq mi |
| Coordinates | 34.7580°N, 136.1347°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
550 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 | 104 km | 22 km |
| Apr 11, 1990 | 11 km ENE of Maizuru, Japan | M6.1 | 101 km | 362 km |
| Jul 7, 1995 | 62 km SSE of Toba, Japan | M6.0 | 126 km | 333 km |
| Apr 12, 2013 | 6 km WNW of Sumoto, Japan | M5.8 | 127 km | 14 km |
| May 23, 1997 | 38 km SSE of Tahara, Japan | M5.8 | 131 km | 11 km |
| Jun 1, 1998 | 17 km SW of Owase, Japan | M5.8 | 91 km | 399 km |
| Aug 7, 1992 | 21 km N of Miyazu, Japan | M5.8 | 140 km | 358 km |
| Feb 26, 2025 | 38 km ESE of Shingū, Japan | M5.8 | 130 km | 388 km |
| Aug 20, 1999 | 22 km SE of Kainan, Japan | M5.7 | 106 km | 66 km |
| Nov 18, 2013 | 25 km SE of Toba, Japan | M5.6 | 96 km | 328 km |
| Mar 16, 1997 | 5 km NE of Toyokawa, Japan | M5.6 | 120 km | 36 km |
| Apr 21, 2000 | 27 km NNE of Maizuru, Japan | M5.5 | 117 km | 347 km |
| Oct 30, 2000 | western Honshu, Japan | M5.5 | 51 km | 35 km |
| Jun 17, 2018 | near the south coast of western Honshu, Japan | M5.5 | 46 km | 10 km |
| Aug 1, 2007 | 42 km ESE of Owase, Japan | M5.5 | 105 km | 371 km |
| Jan 18, 2003 | 67 km SSE of Toba, Japan | M5.5 | 132 km | 33 km |
| Sep 24, 2003 | 5 km WNW of Ayabe, Japan | M5.4 | 106 km | 372 km |
| May 9, 2022 | 7 km NE of Toba, Japan | M5.3 | 74 km | 329 km |
| Jan 6, 2004 | 36 km S of Ise, Japan | M5.3 | 83 km | 33 km |
| Apr 22, 1998 | 18 km SE of Hikone, Japan | M5.2 | 51 km | 33 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
49 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2023 | Lan | Category 2 | 81 mph | 124 km |
| 2019 | Faxai | Category 4 | 98 mph | 273 km |
| 2019 | Hagibis | Category 2 | 92 mph | 223 km |
| 2018 | Jebi | Category 3 | 98 mph | 96 km |
| 2018 | Trami | Category 1 | 92 mph | 121 km |
| 2018 | Cimaron | Category 1 | 86 mph | 132 km |
| 2018 | Jongdari | Category 1 | 81 mph | 93 km |
| 2017 | Lan | Category 2 | 104 mph | 180 km |
| 2017 | Noru | Category 1 | 69 mph | 127 km |
| 2015 | Nangka | Category 1 | 81 mph | 259 km |
| 2014 | Phanfone | Category 2 | 92 mph | 109 km |
| 2012 | Jelawat | Category 1 | 92 mph | 266 km |
| 2011 | Roke | Category 3 | 98 mph | 113 km |
| 2011 | Ma-on | Category 1 | 86 mph | 191 km |
| 2010 | Chaba | Category 1 | 75 mph | 298 km |
| 2009 | Melor | Category 1 | 86 mph | 95 km |
| 2008 | Sinlaku | Category 1 | 75 mph | 157 km |
| 2007 | Fitow | Category 1 | 81 mph | 246 km |
| 2005 | Mawar | Category 2 | 92 mph | 204 km |
| 2004 | Ma-on | Category 4 | 92 mph | 205 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tsunami History
19 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 | 133 km |
| 1944 | OFF SOUTHEAST COAST KII PENINSULA | Earthquake | 10.0 m | 1,223 | 122 km |
| 1855 | ENSHUNADA | Earthquake | 3.0 m | - | 137 km |
| 1520 | KII, KUMANANONADA | Earthquake | 2.0 m | - | 130 km |
| 1510 | OSAKA BAY | Earthquake | 2.0 m | - | 69 km |
| 1408 | KUMANONADA | Earthquake | 2.0 m | - | 128 km |
| 1403 | KUMANONADA | Earthquake | 2.0 m | - | 122 km |
| 922 | KUMANONADA | Earthquake | 2.0 m | - | 119 km |
| 1909 | ANEGAWA, JAPAN | Earthquake | 1.8 m | 41 | 73 km |
| 1945 | TOKAIDO | Earthquake | 1.0 m | 2,306 | 98 km |
| 1995 | KOBE, JAPAN | Earthquake | 0.3 m | 6,434 | 99 km |
| 1791 | OASAKA BAY | Earthquake | - | - | 73 km |
| 1708 | TOKAIDO | Earthquake | - | - | 116 km |
| 1666 | AICHI PREFECTURE | Earthquake | - | - | 66 km |
| 1586 | ISE BAY | Earthquake | - | 8,000 | 66 km |
| 1331 | OFF TANABE, WAKAYAMA PREFECTURE | Earthquake | - | - | 146 km |
| 745 | OSAKA BAY, JAPAN | Earthquake | - | - | 78 km |
| 704 | KUMANONADA | Earthquake | - | - | 119 km |
| 701 | SEA OF JAPAN | Earthquake | - | - | 124 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
3 volcanoes within 200 km. Closest: Hakusan (166 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Hakusan | Stratovolcano | 2,702 m (8,865 ft) | 1659 | 166 km |
| Ontakesan | Complex | 3,067 m (10,062 ft) | 2014 | 176 km |
| Norikuradake | Stratovolcano(es) | 3,026 m (9,928 ft) | -50 | 198 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 37°F (3°C) | 2.0 in | Coldest |
| February | 38°F (3°C) | 2.6 in | |
| March | 43°F (6°C) | 4.3 in | |
| April | 53°F (12°C) | 5.9 in | |
| May | 62°F (17°C) | 6.2 in | |
| June | 69°F (21°C) | 9.5 in | Wettest |
| July | 76°F (25°C) | 8.6 in | |
| August | 78°F (26°C) | 6.4 in | Warmest |
| September | 71°F (22°C) | 8.5 in | |
| October | 60°F (16°C) | 5.3 in | |
| November | 50°F (10°C) | 3.1 in | |
| December | 41°F (5°C) | 1.7 in | Driest |
Iga has a seasonal temperature swing of 41°F / from 37°F in January to 78°F in August. Total annual precipitation is 63.8 inches, with June being the wettest month (9.5") and December the driest (1.7").