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Weather & Climate in Ichikai, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ichikai 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 242 sunny days per year, above the national average. Annual precipitation totals 51.8 inches (wetter than the 38-inch national average). The area receives 1.3 inches of snow annually. The city sits at an elevation of 328 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 | 242 days/yr |
Geography
| Elevation | 328 ft (100 m) |
| Area | 38.1 sq mi (98.6 km²) |
| Population Density | 296/sq mi |
| Coordinates | 36.5433°N, 140.1020°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
3,316 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.9.
| Mar 11, 2011 | 47 km E of ?arai, Japan | M7.9 | 95 km | 43 km |
| May 7, 2008 | 78 km NE of Hasaki, Japan | M6.9 | 134 km | 27 km |
| Apr 11, 2011 | 17 km SSW of Ishikawa, Japan | M6.6 | 57 km | 11 km |
| Mar 11, 2011 | 81 km NE of Hasaki, Japan | M6.5 | 137 km | 7 km |
| Jul 30, 2011 | 13 km SSE of Iwaki, Japan | M6.3 | 88 km | 38 km |
| Jun 1, 1990 | near the east coast of Honshu, Japan | M6.3 | 116 km | 67 km |
| Mar 11, 2011 | 70 km ESE of Kitaibaraki, Japan | M6.2 | 124 km | 40 km |
| Jun 3, 2000 | 6 km SE of Narut?, Japan | M6.2 | 115 km | 62 km |
| Apr 21, 2011 | 6 km WNW of T?gane, Japan | M6.2 | 109 km | 43 km |
| Sep 11, 1996 | 23 km SSE of Hasaki, Japan | M6.2 | 135 km | 55 km |
| May 7, 2008 | 80 km NE of Hasaki, Japan | M6.2 | 135 km | 19 km |
| Apr 11, 2011 | 23 km SE of T?gane, Japan | M6.2 | 132 km | 15 km |
| Mar 12, 2011 | 29 km SSE of Namie, Japan | M6.1 | 122 km | 38 km |
| Aug 5, 1990 | 43 km E of ?arai, Japan | M6.1 | 91 km | 27 km |
| Sep 15, 2011 | 68 km E of ?arai, Japan | M6.1 | 115 km | 28 km |
| May 26, 2023 | 12 km SE of Narutō, Japan | M6.1 | 119 km | 42 km |
| May 13, 2011 | 31 km ESE of Namie, Japan | M6.1 | 145 km | 35 km |
| Apr 3, 2004 | 37 km ESE of Hitachi, Japan | M6.0 | 82 km | 31 km |
| Mar 14, 2012 | 5 km SE of Asahi, Japan | M6.0 | 109 km | 10 km |
| Mar 11, 2011 | 4 km ESE of Hasaki, Japan | M6.0 | 116 km | 48 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
30 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Ampil | Category 3 | 98 mph | 242 km |
| 2024 | Jebi | Category 1 | 75 mph | 235 km |
| 2019 | Faxai | Category 3 | 98 mph | 85 km |
| 2019 | Hagibis | Category 1 | 92 mph | 53 km |
| 2018 | Shanshan | Category 1 | 75 mph | 214 km |
| 2018 | Jongdari | Category 1 | 81 mph | 290 km |
| 2016 | Lionrock | Category 1 | 81 mph | 235 km |
| 2016 | Mindulle | Category 1 | 75 mph | 255 km |
| 2014 | Phanfone | Category 1 | 75 mph | 239 km |
| 2011 | Roke | Category 2 | 92 mph | 108 km |
| 2007 | Fitow | Category 1 | 81 mph | 133 km |
| 2005 | Mawar | Category 2 | 81 mph | 95 km |
| 2004 | Ma-on | Category 3 | 92 mph | 108 km |
| 2002 | Higos | Category 2 | 86 mph | 74 km |
| 2001 | Danas | Category 1 | 81 mph | 31 km |
| 2000 | Sonamu | Category 1 | 63 mph | 278 km |
| 2000 | Kirogi | Category 1 | 86 mph | 107 km |
| 1998 | Vicki | Category 2 | 63 mph | 226 km |
| 1998 | Stella | Category 1 | 69 mph | 53 km |
| 1996 | Violet | Category 1 | 81 mph | 172 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
9 tsunamis recorded within 500 km. Highest wave on record: 2.0 m (7 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1670 | BOSO, JAPAN | Earthquake | 2.0 m | — | 141 km |
| 2016 | E. COAST HONSHU ISLAND | Earthquake | 1.4 m | — | 148 km |
| 1938 | JAPAN TRENCH | Earthquake | 0.8 m | — | 117 km |
| 1938 | SANRIKU | Earthquake | 0.8 m | — | 135 km |
| 1982 | IBARAKI, JAPAN | Earthquake | 0.4 m | — | 148 km |
| 1896 | KASHIMA, JAPAN | Earthquake | 0.3 m | — | 80 km |
| 1935 | JAPAN | Earthquake | 0.2 m | — | 116 km |
| 1987 | E. HONSHU ISLAND | Earthquake | 0.1 m | — | 150 km |
| 1855 | TOKAIDO | Earthquake | — | 6,757 | 103 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km. Closest: Takaharayama (49 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Takaharayama | Stratovolcano | 1,795 m (5,889 ft) | -4570 | 49 km |
| Nantaisan | Stratovolcano | 2,486 m (8,156 ft) | -9540 | 60 km |
| Omanago Group | Lava dome(s) | 2,341 m (7,680 ft) | -3050 | 60 km |
| Nasudake | Stratovolcano(es) | 1,915 m (6,283 ft) | 1963 | 66 km |
| Nikko-Shiranesan | Shield | 2,578 m (8,458 ft) | 1952 | 71 km |
| Akagisan | Stratovolcano | 1,828 m (5,997 ft) | Unknown | 81 km |
| Hiuchigatake | Stratovolcano | 2,356 m (7,730 ft) | 1544 | 86 km |
| Numazawa | Shield | 835 m (2,740 ft) | -3400 | 111 km |
| Harunasan | Stratovolcano | 1,449 m (4,754 ft) | 550 | 112 km |
| Bandaisan | Stratovolcano | 1,816 m (5,958 ft) | 1888 | 118 km |
| Adatarayama | Stratovolcano(es) | 1,728 m (5,669 ft) | 1996 | 124 km |
| Azumayama | Stratovolcano(es) | 1,949 m (6,394 ft) | 1977 | 133 km |
| Kusatsu-Shiranesan | Stratovolcano(es) | 2,165 m (7,103 ft) | 2018 | 141 km |
| Asamayama | Complex | 2,568 m (8,425 ft) | 2019 | 142 km |
| Shiga | Shield(s) | 2,041 m (6,696 ft) | Unknown | 142 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 35°F (2°C) | 1.3 in | Coldest, Driest |
| February | 36°F (2°C) | 2.0 in | |
| March | 42°F (6°C) | 3.3 in | |
| April | 53°F (11°C) | 4.3 in | |
| May | 61°F (16°C) | 5.0 in | |
| June | 67°F (19°C) | 6.5 in | |
| July | 74°F (23°C) | 5.9 in | |
| August | 76°F (25°C) | 6.0 in | Warmest |
| September | 69°F (21°C) | 7.1 in | Wettest |
| October | 59°F (15°C) | 5.9 in | |
| November | 49°F (9°C) | 2.8 in | |
| December | 40°F (4°C) | 1.6 in |
Ichikai has a seasonal temperature swing of 41°F / from 35°F in January to 76°F in August. Total annual precipitation is 51.8 inches, with September being the wettest month (7.1") and January the driest (1.3").