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Weather & Climate in Okazaki, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Okazaki enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 39°F in January while summers reach 77°F in July. The area gets 193 sunny days per year. Annual precipitation totals 78.6 inches (wetter than the 38-inch national average). The city sits at an elevation of 112 feet.
Temperature
39°F Jan (4°C)
77°F Jul (25°C)
| Annual Average | 58.6°F |
| 9% above US avg | |
| January Average | 39°F (4°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 193 days/yr |
Geography
| Elevation | 112 ft (34 m) |
| Area | 149.5 sq mi (387.2 km²) |
| Population Density | 2,573/sq mi |
| Coordinates | 34.9500°N, 137.1667°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
554 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.2.
| Aug 10, 2009 | 8 km NE of Sagara, Japan | M6.2 | 103 km | 40 km |
| Jul 7, 1995 | 62 km SSE of Toba, Japan | M6.0 | 109 km | 333 km |
| Mar 15, 2011 | 6 km NNW of Fujinomiya, Japan | M6.0 | 134 km | 9 km |
| Aug 1, 2011 | 20 km E of ?yama, Japan | M5.9 | 121 km | 13 km |
| Jan 15, 2007 | 15 km WSW of Heda, Japan | M5.9 | 135 km | 170 km |
| May 23, 1997 | 38 km SSE of Tahara, Japan | M5.8 | 71 km | 11 km |
| Jun 1, 1998 | 17 km SW of Owase, Japan | M5.8 | 150 km | 399 km |
| Nov 18, 2013 | 25 km SE of Toba, Japan | M5.6 | 69 km | 328 km |
| Mar 16, 1997 | 5 km NE of Toyokawa, Japan | M5.6 | 28 km | 36 km |
| Oct 18, 1996 | 102 km SSE of Toba, Japan | M5.6 | 142 km | 338 km |
| Jun 17, 2018 | near the south coast of western Honshu, Japan | M5.5 | 140 km | 10 km |
| Oct 30, 2000 | western Honshu, Japan | M5.5 | 113 km | 35 km |
| Aug 1, 2007 | 42 km ESE of Owase, Japan | M5.5 | 127 km | 371 km |
| Jan 18, 2003 | 67 km SSE of Toba, Japan | M5.5 | 112 km | 33 km |
| Apr 3, 2001 | 10 km NE of Mori, Japan | M5.4 | 78 km | 33 km |
| Aug 26, 2010 | 25 km ENE of Katsuyama, Japan | M5.4 | 135 km | 278 km |
| May 9, 2022 | 7 km NE of Toba, Japan | M5.3 | 53 km | 329 km |
| Jan 6, 2004 | 36 km S of Ise, Japan | M5.3 | 100 km | 33 km |
| Apr 22, 1998 | 18 km SE of Hikone, Japan | M5.2 | 72 km | 33 km |
| Apr 23, 2020 | 18 km WNW of Shiojiri, Japan | M5.2 | 146 km | 10 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 | 194 km |
| 2019 | Faxai | Category 4 | 98 mph | 193 km |
| 2019 | Hagibis | Category 2 | 92 mph | 145 km |
| 2018 | Jebi | Category 2 | 98 mph | 155 km |
| 2018 | Trami | Category 1 | 92 mph | 199 km |
| 2018 | Cimaron | Category 1 | 86 mph | 229 km |
| 2018 | Jongdari | Category 1 | 81 mph | 50 km |
| 2017 | Lan | Category 1 | 98 mph | 172 km |
| 2017 | Noru | Category 1 | 69 mph | 217 km |
| 2016 | Mindulle | Category 1 | 75 mph | 225 km |
| 2014 | Phanfone | Category 1 | 86 mph | 62 km |
| 2013 | Wipha | Category 1 | 81 mph | 283 km |
| 2011 | Roke | Category 3 | 98 mph | 58 km |
| 2011 | Ma-on | Category 1 | 86 mph | 280 km |
| 2010 | Chaba | Category 1 | 75 mph | 268 km |
| 2009 | Melor | Category 1 | 86 mph | 118 km |
| 2009 | Krovanh | Category 1 | 69 mph | 299 km |
| 2008 | Sinlaku | Category 1 | 75 mph | 163 km |
| 2007 | Fitow | Category 1 | 81 mph | 157 km |
| 2005 | Mawar | Category 2 | 86 mph | 145 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tsunami History
18 tsunamis recorded within 500 km. Highest wave on record: 21.0 m (69 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1854 | ENSHUNADA SEA | Earthquake | 21.0 m | 1,000 | 125 km |
| 1707 | ENSHUNADA | Earthquake | 11.0 m | 2,000 | 111 km |
| 1944 | OFF SOUTHEAST COAST KII PENINSULA | Earthquake | 10.0 m | 1,223 | 106 km |
| 1498 | ENSHUNADA SEA | Earthquake | 10.0 m | 5,000 | 136 km |
| 1096 | ENSHUNADA | Earthquake | 7.0 m | - | 110 km |
| 1855 | ENSHUNADA | Earthquake | 3.0 m | - | 64 km |
| 1408 | KUMANONADA | Earthquake | 2.0 m | - | 130 km |
| 922 | KUMANONADA | Earthquake | 2.0 m | - | 135 km |
| 1909 | ANEGAWA, JAPAN | Earthquake | 1.8 m | 41 | 93 km |
| 1945 | TOKAIDO | Earthquake | 1.0 m | 2,306 | 28 km |
| 2009 | HONSHU: S COAST | Earthquake | 0.6 m | 1 | 103 km |
| 1974 | TOKAIDO | Earthquake | 0.2 m | 30 | 145 km |
| 1857 | TOKAIDO | Earthquake | - | - | 105 km |
| 1708 | TOKAIDO | Earthquake | - | - | 107 km |
| 1666 | AICHI PREFECTURE | Earthquake | - | - | 34 km |
| 1589 | SURUGA, JAPAN | Earthquake | - | - | 96 km |
| 1586 | ISE BAY | Earthquake | - | 8,000 | 34 km |
| 704 | KUMANONADA | Earthquake | - | - | 135 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
12 volcanoes within 200 km. Closest: Ontakesan (109 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Ontakesan | Complex | 3,067 m (10,062 ft) | 2014 | 109 km |
| Norikuradake | Stratovolcano(es) | 3,026 m (9,928 ft) | -50 | 133 km |
| Hakusan | Stratovolcano | 2,702 m (8,865 ft) | 1659 | 139 km |
| Yakedake | Stratovolcano(es) | 2,455 m (8,054 ft) | 1995 | 147 km |
| Fujisan | Stratovolcano | 3,776 m (12,388 ft) | 1708 | 149 km |
| Yokodake | Stratovolcano(es) | 2,480 m (8,136 ft) | 1200 | 164 km |
| Washiba-Kumonotaira | Shield(s) | 2,924 m (9,593 ft) | Unknown | 167 km |
| Hakoneyama | Complex | 1,438 m (4,718 ft) | 2015 | 172 km |
| Izu-Tobu | Pyroclastic cone(s) | 1,406 m (4,613 ft) | 1989 | 176 km |
| Midagahara | Stratovolcano | 2,621 m (8,599 ft) | 1839 | 184 km |
| Toshima | Stratovolcano | 508 m (1,667 ft) | -4550 | 199 km |
| Kozushima | Lava dome(s) | 572 m (1,877 ft) | 838 | 199 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 39°F (4°C) | 2.4 in | Coldest |
| February | 40°F (5°C) | 3.2 in | |
| March | 46°F (8°C) | 5.3 in | |
| April | 56°F (13°C) | 7.6 in | |
| May | 63°F (17°C) | 7.9 in | |
| June | 70°F (21°C) | 10.4 in | Wettest |
| July | 77°F (25°C) | 9.8 in | |
| August | 79°F (26°C) | 9.0 in | Warmest |
| September | 73°F (23°C) | 10.1 in | |
| October | 63°F (17°C) | 6.6 in | |
| November | 53°F (12°C) | 4.0 in | |
| December | 44°F (6°C) | 2.3 in | Driest |
Okazaki has a seasonal temperature swing of 40°F / from 39°F in January to 79°F in August. Total annual precipitation is 78.6 inches, with June being the wettest month (10.4") and December the driest (2.3").