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Weather & Climate in Hongō, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Hongō 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 182 sunny days per year. Annual precipitation totals 84.8 inches (wetter than the 38-inch national average). The area receives 2.6 inches of snow annually. The city sits at an elevation of 1,037 feet.
Temperature
35°F Jan (2°C)
74°F Jul (23°C)
| Annual Average | 55.0°F |
| 2% above US avg | |
| January Average | 35°F (2°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 182 days/yr |
Geography
| Elevation | 1,037 ft (316 m) |
| Area | 127.4 sq mi (329.9 km²) |
| Population Density | 23/sq mi |
| Coordinates | 35.0667°N, 137.7000°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
607 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.4.
| Feb 20, 1990 | 28 km E of Shimoda, Japan | M6.4 | 147 km | 14 km |
| Aug 10, 2009 | 8 km NE of Sagara, Japan | M6.2 | 63 km | 40 km |
| Mar 15, 2011 | 6 km NNW of Fujinomiya, Japan | M6.0 | 83 km | 9 km |
| Jul 7, 1995 | 62 km SSE of Toba, Japan | M6.0 | 133 km | 333 km |
| Aug 1, 2011 | 20 km E of ?yama, Japan | M5.9 | 83 km | 13 km |
| Jan 15, 2007 | 15 km WSW of Heda, Japan | M5.9 | 88 km | 170 km |
| May 23, 1997 | 38 km SSE of Tahara, Japan | M5.8 | 80 km | 11 km |
| Nov 18, 2013 | 25 km SE of Toba, Japan | M5.6 | 101 km | 328 km |
| Mar 16, 1997 | 5 km NE of Toyokawa, Japan | M5.6 | 33 km | 36 km |
| Mar 4, 1997 | 9 km SSW of It?, Japan | M5.6 | 123 km | 10 km |
| May 3, 1998 | 14 km SW of It?, Japan | M5.6 | 119 km | 34 km |
| Apr 20, 2006 | 16 km SE of It?, Japan | M5.6 | 139 km | 23 km |
| Mar 6, 1996 | 13 km NNE of Gotenba, Japan | M5.6 | 124 km | 33 km |
| Aug 15, 1998 | 22 km WSW of Hotaka, Japan | M5.5 | 134 km | 10 km |
| Jan 18, 2003 | 67 km SSE of Toba, Japan | M5.5 | 134 km | 33 km |
| Aug 26, 2010 | 25 km ENE of Katsuyama, Japan | M5.4 | 144 km | 278 km |
| Apr 3, 2001 | 10 km NE of Mori, Japan | M5.4 | 35 km | 33 km |
| Jun 26, 1990 | near the south coast of Honshu, Japan | M5.4 | 120 km | 150 km |
| May 9, 2022 | 7 km NE of Toba, Japan | M5.3 | 94 km | 329 km |
| Jan 6, 2004 | 36 km S of Ise, Japan | M5.3 | 138 km | 33 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
47 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 | 238 km |
| 2019 | Faxai | Category 4 | 98 mph | 152 km |
| 2019 | Hagibis | Category 2 | 92 mph | 105 km |
| 2018 | Jebi | Category 2 | 98 mph | 197 km |
| 2018 | Trami | Category 1 | 92 mph | 246 km |
| 2018 | Cimaron | Category 1 | 86 mph | 279 km |
| 2018 | Jongdari | Category 1 | 81 mph | 84 km |
| 2017 | Lan | Category 1 | 98 mph | 191 km |
| 2017 | Noru | Category 1 | 69 mph | 266 km |
| 2016 | Mindulle | Category 1 | 75 mph | 185 km |
| 2014 | Phanfone | Category 1 | 86 mph | 52 km |
| 2013 | Wipha | Category 1 | 81 mph | 272 km |
| 2011 | Roke | Category 3 | 98 mph | 21 km |
| 2010 | Chaba | Category 1 | 75 mph | 267 km |
| 2009 | Melor | Category 1 | 86 mph | 156 km |
| 2009 | Krovanh | Category 1 | 69 mph | 267 km |
| 2008 | Sinlaku | Category 1 | 75 mph | 189 km |
| 2007 | Fitow | Category 1 | 81 mph | 113 km |
| 2005 | Mawar | Category 2 | 86 mph | 111 km |
| 2004 | Ma-on | Category 4 | 92 mph | 96 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
20 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 | 120 km |
| 1707 | ENSHUNADA | Earthquake | 11.0 m | 2,000 | 108 km |
| 1944 | OFF SOUTHEAST COAST KII PENINSULA | Earthquake | 10.0 m | 1,223 | 131 km |
| 1498 | ENSHUNADA SEA | Earthquake | 10.0 m | 5,000 | 124 km |
| 1096 | ENSHUNADA | Earthquake | 7.0 m | — | 120 km |
| 1855 | ENSHUNADA | Earthquake | 3.0 m | — | 64 km |
| 1909 | ANEGAWA, JAPAN | Earthquake | 1.8 m | 41 | 132 km |
| 1945 | TOKAIDO | Earthquake | 1.0 m | 2,306 | 61 km |
| 2009 | HONSHU: S COAST | Earthquake | 0.6 m | 1 | 63 km |
| 1980 | HONSHU ISLAND | Earthquake | 0.6 m | — | 138 km |
| 1978 | TOKAIDO | Earthquake | 0.4 m | 25 | 145 km |
| 1974 | TOKAIDO | Earthquake | 0.2 m | 30 | 105 km |
| 1990 | JAPAN | Earthquake | 0.2 m | — | 147 km |
| 1857 | TOKAIDO | Earthquake | — | — | 62 km |
| 1708 | TOKAIDO | Earthquake | — | — | 135 km |
| 1666 | AICHI PREFECTURE | Earthquake | — | — | 82 km |
| 1633 | SAGAMI BAY | Earthquake | — | 150 | 137 km |
| 1589 | SURUGA, JAPAN | Earthquake | — | — | 54 km |
| 1586 | ISE BAY | Earthquake | — | 8,000 | 82 km |
| 818 | TOKAIDO | Eruption + Earthquake | — | — | 146 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km. Closest: Ontakesan (94 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Ontakesan | Complex | 3,067 m (10,062 ft) | 2014 | 94 km |
| Fujisan | Stratovolcano | 3,776 m (12,388 ft) | 1708 | 99 km |
| Norikuradake | Stratovolcano(es) | 3,026 m (9,928 ft) | -50 | 116 km |
| Hakoneyama | Complex | 1,438 m (4,718 ft) | 2015 | 122 km |
| Yokodake | Stratovolcano(es) | 2,480 m (8,136 ft) | 1200 | 127 km |
| Izu-Tobu | Pyroclastic cone(s) | 1,406 m (4,613 ft) | 1989 | 129 km |
| Yakedake | Stratovolcano(es) | 2,455 m (8,054 ft) | 1995 | 129 km |
| Hakusan | Stratovolcano | 2,702 m (8,865 ft) | 1659 | 147 km |
| Washiba-Kumonotaira | Shield(s) | 2,924 m (9,593 ft) | Unknown | 150 km |
| Toshima | Stratovolcano | 508 m (1,667 ft) | -4550 | 157 km |
| Izu-Oshima | Stratovolcano | 758 m (2,487 ft) | 1990 | 159 km |
| Niijima | Lava dome(s) | 432 m (1,417 ft) | 886 | 162 km |
| Kozushima | Lava dome(s) | 572 m (1,877 ft) | 838 | 163 km |
| Asamayama | Complex | 2,568 m (8,425 ft) | 2019 | 166 km |
| Midagahara | Stratovolcano | 2,621 m (8,599 ft) | 1839 | 168 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 35°F (2°C) | 2.6 in | Coldest, Driest |
| February | 37°F (3°C) | 3.4 in | |
| March | 43°F (6°C) | 5.8 in | |
| April | 52°F (11°C) | 8.1 in | |
| May | 60°F (16°C) | 8.0 in | |
| June | 67°F (19°C) | 10.9 in | |
| July | 74°F (23°C) | 10.6 in | |
| August | 75°F (24°C) | 10.5 in | Warmest |
| September | 69°F (21°C) | 11.5 in | Wettest |
| October | 59°F (15°C) | 6.9 in | |
| November | 49°F (10°C) | 4.1 in | |
| December | 40°F (4°C) | 2.6 in |
Hongō has a seasonal temperature swing of 40°F / from 35°F in January to 75°F in August. Total annual precipitation is 84.8 inches, with September being the wettest month (11.5") and January the driest (2.6").