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Weather & Climate in Kamisu, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Kamisu enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 39°F in January while summers reach 74°F in July. The area gets 234 sunny days per year, above the national average. Annual precipitation totals 56.1 inches (wetter than the 38-inch national average). The city sits at an elevation of 23 feet.
Temperature
39°F Jan (4°C)
74°F Jul (23°C)
| Annual Average | 57.8°F |
| 7% above US avg | |
| January Average | 39°F (4°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 234 days/yr |
Geography
| Elevation | 23 ft (7 m) |
| Area | 230.2 sq mi (596.1 km²) |
| Population Density | 415/sq mi |
| Coordinates | 35.8969°N, 140.6667°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
4,079 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 | 59 km | 43 km |
| May 7, 2008 | 78 km NE of Hasaki, Japan | M6.9 | 83 km | 27 km |
| Mar 11, 2011 | 133 km ENE of Hasaki, Japan | M6.6 | 145 km | 16 km |
| Apr 11, 2011 | 17 km SSW of Ishikawa, Japan | M6.6 | 125 km | 11 km |
| Mar 11, 2011 | 81 km NE of Hasaki, Japan | M6.5 | 86 km | 7 km |
| Mar 11, 2011 | 115 km ENE of Hasaki, Japan | M6.5 | 127 km | 49 km |
| Mar 11, 2011 | 108 km ESE of Kitaibaraki, Japan | M6.4 | 123 km | 32 km |
| Jul 30, 2011 | 13 km SSE of Iwaki, Japan | M6.3 | 119 km | 38 km |
| Mar 11, 2011 | 92 km ENE of Hasaki, Japan | M6.3 | 103 km | 21 km |
| Jun 1, 1990 | near the east coast of Honshu, Japan | M6.3 | 51 km | 67 km |
| Mar 11, 2011 | near the east coast of Honshu, Japan | M6.3 | 129 km | 25 km |
| May 7, 2008 | 80 km NE of Hasaki, Japan | M6.2 | 85 km | 19 km |
| Jun 3, 2000 | 6 km SE of Narut?, Japan | M6.2 | 43 km | 62 km |
| Sep 11, 1996 | 23 km SSE of Hasaki, Japan | M6.2 | 47 km | 55 km |
| Apr 21, 2011 | 6 km WNW of T?gane, Japan | M6.2 | 48 km | 43 km |
| Apr 11, 2011 | 23 km SE of T?gane, Japan | M6.2 | 54 km | 15 km |
| Mar 11, 2011 | 70 km ESE of Kitaibaraki, Japan | M6.2 | 105 km | 40 km |
| Aug 5, 1990 | 43 km E of ?arai, Japan | M6.1 | 59 km | 27 km |
| Mar 13, 2011 | 72 km E of Hasaki, Japan | M6.1 | 90 km | 8 km |
| May 26, 2023 | 12 km SE of Narutō, Japan | M6.1 | 43 km | 42 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
40 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Nakri | Category 1 | — | 277 km |
| 2024 | Ampil | Category 3 | 98 mph | 157 km |
| 2024 | Jebi | Category 1 | 75 mph | 174 km |
| 2021 | Mindulle | Category 1 | 86 mph | 250 km |
| 2019 | Faxai | Category 3 | 98 mph | 35 km |
| 2019 | Hagibis | Category 2 | 92 mph | 113 km |
| 2018 | Jongdari | Category 2 | 86 mph | 234 km |
| 2018 | Shanshan | Category 1 | 81 mph | 128 km |
| 2016 | Mindulle | Category 1 | 75 mph | 207 km |
| 2016 | Lionrock | Category 1 | 81 mph | 174 km |
| 2014 | Phanfone | Category 1 | 75 mph | 233 km |
| 2011 | Roke | Category 1 | 92 mph | 132 km |
| 2009 | Krovanh | Category 1 | 69 mph | 276 km |
| 2007 | Fitow | Category 1 | 81 mph | 136 km |
| 2005 | Saola | Category 2 | 86 mph | 235 km |
| 2005 | Mawar | Category 2 | 81 mph | 32 km |
| 2004 | Ma-on | Category 3 | 92 mph | 85 km |
| 2003 | Choi-wan | Category 3 | 81 mph | 255 km |
| 2002 | Higos | Category 2 | 86 mph | 69 km |
| 2002 | Phanfone | Category 1 | 75 mph | 290 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
20 tsunamis recorded within 500 km. Highest wave on record: 13.0 m (43 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1923 | SAGAMI BAY | Earthquake | 13.0 m | 105,385 | 138 km |
| 1677 | OFF SE. BOSO PENINSULA | Earthquake | 8.0 m | 500 | 125 km |
| 1495 | KAMAKURA, SAGAMI BAY, TOKAIDO | Earthquake | 5.0 m | 200 | 138 km |
| 1732 | KUJUKURI BEACH, JAPAN | Earthquake | 2.0 m | — | 78 km |
| 1670 | BOSO, JAPAN | Earthquake | 2.0 m | — | 53 km |
| 1938 | JAPAN TRENCH | Earthquake | 0.8 m | — | 111 km |
| 1938 | SANRIKU | Earthquake | 0.8 m | — | 144 km |
| 1982 | IBARAKI, JAPAN | Earthquake | 0.4 m | — | 99 km |
| 1961 | KASHIMA, JAPAN | Earthquake | 0.4 m | — | 112 km |
| 1961 | KASHIMA, JAPAN | Earthquake | 0.4 m | — | 148 km |
| 1961 | KASHIMA, JAPAN | Earthquake | 0.4 m | — | 116 km |
| 1923 | KASHIMA, JAPAN | Earthquake | 0.4 m | — | 116 km |
| 1923 | RYUKYU ISLANDS | Earthquake | 0.3 m | — | 119 km |
| 1896 | KASHIMA, JAPAN | Earthquake | 0.3 m | — | 73 km |
| 1935 | JAPAN | Earthquake | 0.2 m | — | 102 km |
| 1855 | TOKAIDO | Earthquake | — | 6,757 | 83 km |
| 1782 | ODAWARA, SAGAMI BAY | Eruption + Earthquake | — | — | 125 km |
| 1642 | BOSO, JAPAN | Earthquake | — | — | 78 km |
| 1602 | BOSO, JAPAN | Eruption + Earthquake | — | — | 90 km |
| 1257 | SAGAMI BAY, JAPAN | Earthquake | — | — | 131 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km. Closest: Takaharayama (137 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Takaharayama | Stratovolcano | 1,795 m (5,889 ft) | -4570 | 137 km |
| Nantaisan | Stratovolcano | 2,486 m (8,156 ft) | -9540 | 143 km |
| Omanago Group | Lava dome(s) | 2,341 m (7,680 ft) | -3050 | 144 km |
| Nasudake | Stratovolcano(es) | 1,915 m (6,283 ft) | 1963 | 150 km |
| Akagisan | Stratovolcano | 1,828 m (5,997 ft) | Unknown | 151 km |
| Nikko-Shiranesan | Shield | 2,578 m (8,458 ft) | 1952 | 153 km |
| Hakoneyama | Complex | 1,438 m (4,718 ft) | 2015 | 166 km |
| Hiuchigatake | Stratovolcano | 2,356 m (7,730 ft) | 1544 | 171 km |
| Izu-Oshima | Stratovolcano | 758 m (2,487 ft) | 1990 | 174 km |
| Harunasan | Stratovolcano | 1,449 m (4,754 ft) | 550 | 175 km |
| Izu-Tobu | Pyroclastic cone(s) | 1,406 m (4,613 ft) | 1989 | 180 km |
| Fujisan | Stratovolcano | 3,776 m (12,388 ft) | 1708 | 185 km |
| Bandaisan | Stratovolcano | 1,816 m (5,958 ft) | 1888 | 197 km |
| Adatarayama | Stratovolcano(es) | 1,728 m (5,669 ft) | 1996 | 198 km |
| Numazawa | Shield | 835 m (2,740 ft) | -3400 | 198 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 39°F (4°C) | 2.0 in | Coldest, Driest |
| February | 40°F (4°C) | 2.9 in | |
| March | 46°F (8°C) | 4.2 in | |
| April | 55°F (13°C) | 4.7 in | |
| May | 63°F (17°C) | 4.8 in | |
| June | 68°F (20°C) | 6.4 in | |
| July | 74°F (23°C) | 5.2 in | |
| August | 78°F (25°C) | 4.9 in | Warmest |
| September | 72°F (22°C) | 7.6 in | Wettest |
| October | 63°F (17°C) | 7.3 in | |
| November | 53°F (12°C) | 3.9 in | |
| December | 43°F (6°C) | 2.1 in |
Kamisu has a seasonal temperature swing of 39°F / from 39°F in January to 78°F in August. Total annual precipitation is 56.1 inches, with September being the wettest month (7.6") and January the driest (2.0").