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Weather & Climate in Tamamura, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Tamamura enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 38°F in January while summers reach 77°F in July. The area gets 246 sunny days per year, above the national average. Annual precipitation totals 49.7 inches (wetter than the 38-inch national average). The city sits at an elevation of 223 feet.
Temperature
38°F Jan (3°C)
77°F Jul (25°C)
| Annual Average | 57.4°F |
| 6% above US avg | |
| January Average | 38°F (3°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 246 days/yr |
Geography
| Elevation | 223 ft (68 m) |
| Area | 12.8 sq mi (33.1 km²) |
| Population Density | 2,843/sq mi |
| Coordinates | 36.3000°N, 139.1167°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
1,542 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.6.
| Apr 11, 2011 | 17 km SSW of Ishikawa, Japan | M6.6 | 139 km | 11 km |
| Jul 16, 2007 | 20 km NNW of Kashiwazaki, Japan | M6.6 | 150 km | 12 km |
| Jun 1, 1990 | near the east coast of Honshu, Japan | M6.3 | 140 km | 67 km |
| Mar 11, 2011 | 13 km E of Arai, Japan | M6.2 | 103 km | 9 km |
| Apr 21, 2011 | 6 km WNW of T?gane, Japan | M6.2 | 134 km | 43 km |
| Jun 3, 2000 | 6 km SE of Narut?, Japan | M6.2 | 147 km | 62 km |
| Mar 15, 2011 | 6 km NNW of Fujinomiya, Japan | M6.0 | 124 km | 9 km |
| Jul 23, 2005 | 9 km WSW of Ichihara, Japan | M5.9 | 118 km | 61 km |
| Apr 12, 2011 | 8 km WSW of Ishikawa, Japan | M5.9 | 143 km | 11 km |
| Apr 10, 2005 | near the east coast of Honshu, Japan | M5.9 | 139 km | 43 km |
| Apr 16, 2011 | 6 km ENE of Tanuma, Japan | M5.8 | 49 km | 77 km |
| Feb 1, 1992 | 4 km SSE of Miura, Japan | M5.8 | 141 km | 100 km |
| Apr 29, 2012 | 5 km NNW of T?gane, Japan | M5.8 | 136 km | 44 km |
| Feb 25, 2013 | 29 km NE of Numata, Japan | M5.8 | 62 km | 10 km |
| Jul 16, 2007 | 16 km NNW of Kashiwazaki, Japan | M5.7 | 146 km | 15 km |
| Mar 11, 2011 | eastern Honshu, Japan | M5.7 | 102 km | 12 km |
| Mar 19, 2011 | 8 km WNW of Daigo, Japan | M5.7 | 117 km | 6 km |
| Dec 3, 1996 | 35 km SE of Muramatsu, Japan | M5.7 | 136 km | 139 km |
| Jun 19, 2005 | 5 km ENE of Narut?, Japan | M5.7 | 145 km | 48 km |
| Mar 6, 1996 | 13 km NNE of Gotenba, Japan | M5.6 | 97 km | 33 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
31 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 | 295 km |
| 2019 | Faxai | Category 3 | 98 mph | 114 km |
| 2019 | Hagibis | Category 2 | 92 mph | 82 km |
| 2018 | Jebi | Category 1 | 81 mph | 250 km |
| 2018 | Shanshan | Category 1 | 75 mph | 245 km |
| 2018 | Jongdari | Category 1 | 81 mph | 245 km |
| 2016 | Mindulle | Category 1 | 75 mph | 225 km |
| 2014 | Phanfone | Category 1 | 81 mph | 169 km |
| 2011 | Roke | Category 2 | 92 mph | 45 km |
| 2007 | Fitow | Category 1 | 81 mph | 78 km |
| 2005 | Mawar | Category 2 | 81 mph | 123 km |
| 2004 | Ma-on | Category 3 | 92 mph | 99 km |
| 2004 | Chaba | Category 1 | 69 mph | 299 km |
| 2003 | Etau | Category 1 | 52 mph | 274 km |
| 2002 | Higos | Category 2 | 86 mph | 83 km |
| 2001 | Danas | Category 1 | 81 mph | 90 km |
| 2000 | Kirogi | Category 1 | 86 mph | 181 km |
| 1998 | Vicki | Category 2 | 69 mph | 151 km |
| 1998 | Stella | Category 1 | 69 mph | 54 km |
| 1996 | Violet | Category 1 | 81 mph | 217 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tsunami History
10 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 |
| 1495 | KAMAKURA, SAGAMI BAY, TOKAIDO | Earthquake | 5.0 m | 200 | 138 km |
| 1855 | TOKAIDO | Earthquake | - | 6,757 | 95 km |
| 1782 | ODAWARA, SAGAMI BAY | Eruption + Earthquake | - | - | 144 km |
| 1751 | NW. HONSHU ISLAND | Eruption + Earthquake | - | 2,100 | 135 km |
| 1633 | SAGAMI BAY | Earthquake | - | 150 | 123 km |
| 1257 | SAGAMI BAY, JAPAN | Earthquake | - | - | 127 km |
| 1241 | KAMAKURA, SAGAMI BAY | Earthquake | - | - | 125 km |
| 863 | NW. HONSHU ISLAND | Eruption + Earthquake | - | - | 134 km |
| 818 | TOKAIDO | Eruption + Earthquake | - | - | 123 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km. Closest: Akagisan (30 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Akagisan | Stratovolcano | 1,828 m (5,997 ft) | Unknown | 30 km |
| Harunasan | Stratovolcano | 1,449 m (4,754 ft) | 550 | 31 km |
| Asamayama | Complex | 2,568 m (8,425 ft) | 2019 | 55 km |
| Nikko-Shiranesan | Shield | 2,578 m (8,458 ft) | 1952 | 60 km |
| Nantaisan | Stratovolcano | 2,486 m (8,156 ft) | -9540 | 62 km |
| Kusatsu-Shiranesan | Stratovolcano(es) | 2,165 m (7,103 ft) | 2018 | 63 km |
| Omanago Group | Lava dome(s) | 2,341 m (7,680 ft) | -3050 | 65 km |
| Shiga | Shield(s) | 2,041 m (6,696 ft) | Unknown | 69 km |
| Hiuchigatake | Stratovolcano | 2,356 m (7,730 ft) | 1544 | 74 km |
| Yokodake | Stratovolcano(es) | 2,480 m (8,136 ft) | 1200 | 75 km |
| Takaharayama | Stratovolcano | 1,795 m (5,889 ft) | -4570 | 89 km |
| Fujisan | Stratovolcano | 3,776 m (12,388 ft) | 1708 | 110 km |
| Myokosan | Stratovolcano | 2,454 m (8,051 ft) | -750 | 111 km |
| Niigata-Yakeyama | Lava dome | 2,400 m (7,874 ft) | 1998 | 119 km |
| Nasudake | Stratovolcano(es) | 1,915 m (6,283 ft) | 1963 | 119 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 38°F (3°C) | 2.0 in | Coldest |
| February | 39°F (4°C) | 2.4 in | |
| March | 44°F (7°C) | 2.8 in | |
| April | 55°F (13°C) | 3.3 in | |
| May | 64°F (18°C) | 3.9 in | |
| June | 70°F (21°C) | 6.1 in | |
| July | 77°F (25°C) | 5.9 in | |
| August | 79°F (26°C) | 6.6 in | Warmest |
| September | 71°F (22°C) | 7.3 in | Wettest |
| October | 61°F (16°C) | 4.9 in | |
| November | 51°F (10°C) | 2.6 in | |
| December | 42°F (5°C) | 1.8 in | Driest |
Tamamura has a seasonal temperature swing of 41°F / from 38°F in January to 79°F in August. Total annual precipitation is 49.7 inches, with September being the wettest month (7.3") and December the driest (1.8").