All Countries
Weather & Climate in Komatsu, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Komatsu 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 183 sunny days per year. Annual precipitation totals 84.3 inches (wetter than the 38-inch national average). The city sits at an elevation of 23 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 | 183 days/yr |
Geography
| Elevation | 23 ft (7 m) |
| Area | 143.3 sq mi (371.0 km²) |
| Population Density | 757/sq mi |
| Coordinates | 36.4026°N, 136.4509°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
485 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.5.
| Jan 1, 2024 | 2024 Noto Peninsula, Japan Earthquake | M7.5 | 141 km | 10 km |
| Jul 16, 2007 | 133 km WNW of Mikuni, Japan | M6.8 | 150 km | 350 km |
| Mar 25, 2007 | 46 km NW of Nanao, Japan | M6.7 | 105 km | 8 km |
| May 5, 2023 | 49 km NE of Anamizu, Japan | M6.2 | 148 km | 10 km |
| Jan 1, 2024 | 8 km SW of Anamizu, Japan | M6.2 | 94 km | 10 km |
| Apr 11, 1990 | 11 km ENE of Maizuru, Japan | M6.1 | 137 km | 362 km |
| Jun 6, 2000 | Sea of Japan | M5.9 | 100 km | 10 km |
| Jan 1, 2024 | 42 km NE of Anamizu, Japan | M5.8 | 141 km | 10 km |
| Aug 7, 1992 | 21 km N of Miyazu, Japan | M5.8 | 139 km | 358 km |
| Jun 2, 2024 | 40 km NE of Anamizu, Japan | M5.7 | 137 km | 9 km |
| Jan 1, 2024 | 7 km N of Anamizu, Japan | M5.6 | 107 km | 10 km |
| Jan 1, 2024 | 54 km NE of Anamizu, Japan | M5.6 | 150 km | 10 km |
| May 5, 2023 | 43 km NE of Anamizu, Japan | M5.6 | 141 km | 10 km |
| Apr 21, 2000 | 27 km NNE of Maizuru, Japan | M5.5 | 119 km | 347 km |
| Aug 15, 1998 | 22 km WSW of Hotaka, Japan | M5.5 | 108 km | 10 km |
| Jan 2, 2024 | 11 km W of Anamizu, Japan | M5.4 | 98 km | 6 km |
| May 17, 1990 | 7 km W of Nanao, Japan | M5.4 | 83 km | 267 km |
| Aug 26, 2010 | 25 km ENE of Katsuyama, Japan | M5.4 | 43 km | 278 km |
| Oct 5, 2011 | 24 km W of ?machi, Japan | M5.3 | 103 km | 10 km |
| Mar 12, 2020 | 26 km NNW of Nanao, Japan | M5.3 | 104 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
33 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2019 | Hagibis | Category 2 | 92 mph | 280 km |
| 2018 | Jebi | Category 2 | 98 mph | 101 km |
| 2018 | Cimaron | Category 1 | 86 mph | 256 km |
| 2018 | Jongdari | Category 1 | 81 mph | 220 km |
| 2017 | Noru | Category 1 | 63 mph | 294 km |
| 2014 | Phanfone | Category 1 | 81 mph | 230 km |
| 2011 | Roke | Category 2 | 92 mph | 207 km |
| 2009 | Melor | Category 1 | 86 mph | 268 km |
| 2007 | Fitow | Category 1 | 81 mph | 263 km |
| 2005 | Mawar | Category 2 | 81 mph | 296 km |
| 2004 | Ma-on | Category 3 | 92 mph | 270 km |
| 2004 | Songda | Category 1 | 81 mph | 234 km |
| 2004 | Chaba | Category 1 | 69 mph | 108 km |
| 2003 | Etau | Category 2 | 69 mph | 92 km |
| 2001 | Danas | Category 1 | 81 mph | 298 km |
| 1999 | Bart | Category 1 | 81 mph | 240 km |
| 1998 | Vicki | Category 2 | 86 mph | 99 km |
| 1998 | Zeb | Category 1 | 58 mph | 68 km |
| 1998 | Stella | Category 1 | 69 mph | 263 km |
| 1997 | Rosie | Category 1 | 81 mph | 271 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tsunami History
8 tsunamis recorded within 500 km. Highest wave on record: 11.3 m (37 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2024 | HONSHU: W COAST | Eruption + Earthquake | 11.3 m | 549 | 141 km |
| 1909 | ANEGAWA, JAPAN | Earthquake | 1.8 m | 41 | 112 km |
| 2023 | NOTO PENINSULA, JAPAN | Earthquake | 0.1 m | 1 | 148 km |
| 2007 | HONSHU: W COAST | Earthquake | 0.1 m | 1 | 105 km |
| 1892 | SW. HONSHU ISLAND | Earthquake | - | 1 | 73 km |
| 1799 | SW. HONSHU ISLAND | Earthquake | - | - | 26 km |
| 1726 | KATSUYAMA | Earthquake | - | - | 42 km |
| 701 | SEA OF JAPAN | Earthquake | - | - | 123 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
12 volcanoes within 200 km. Closest: Hakusan (40 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Hakusan | Stratovolcano | 2,702 m (8,865 ft) | 1659 | 40 km |
| Washiba-Kumonotaira | Shield(s) | 2,924 m (9,593 ft) | Unknown | 102 km |
| Midagahara | Stratovolcano | 2,621 m (8,599 ft) | 1839 | 104 km |
| Yakedake | Stratovolcano(es) | 2,455 m (8,054 ft) | 1995 | 104 km |
| Norikuradake | Stratovolcano(es) | 3,026 m (9,928 ft) | -50 | 104 km |
| Ontakesan | Complex | 3,067 m (10,062 ft) | 2014 | 108 km |
| Niigata-Yakeyama | Lava dome | 2,400 m (7,874 ft) | 1998 | 153 km |
| Myokosan | Stratovolcano | 2,454 m (8,051 ft) | -750 | 158 km |
| Yokodake | Stratovolcano(es) | 2,480 m (8,136 ft) | 1200 | 171 km |
| Asamayama | Complex | 2,568 m (8,425 ft) | 2019 | 185 km |
| Kusatsu-Shiranesan | Stratovolcano(es) | 2,165 m (7,103 ft) | 2018 | 187 km |
| Shiga | Shield(s) | 2,041 m (6,696 ft) | Unknown | 188 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 38°F (3°C) | 8.5 in | Coldest |
| February | 38°F (3°C) | 6.0 in | |
| March | 43°F (6°C) | 5.6 in | |
| April | 54°F (12°C) | 5.5 in | Driest |
| May | 62°F (17°C) | 5.8 in | |
| June | 69°F (21°C) | 7.8 in | |
| July | 77°F (25°C) | 8.4 in | |
| August | 80°F (26°C) | 5.6 in | Warmest |
| September | 72°F (22°C) | 9.2 in | Wettest |
| October | 61°F (16°C) | 6.2 in | |
| November | 52°F (11°C) | 7.4 in | |
| December | 43°F (6°C) | 8.5 in |
Komatsu has a seasonal temperature swing of 42°F / from 38°F in January to 80°F in August. Total annual precipitation is 84.3 inches, with September being the wettest month (9.2") and April the driest (5.5").