Jōetsu, Japan

Full City Profile

187,291 Population 498/sq mi density
33 ft Elevation 10 meters
55°F Avg Temperature 13°C
Jōetsu experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 34°F in January while summers reach 75°F in July. Annual precipitation totals 90.8 inches. The area receives 20.6 inches of snow annually.

Temperature

34°F Jan (1°C) 75°F Jul (24°C)
Annual Average54.9°F
2% above US avg
January Average34°F (1°C)
July Average75°F (24°C)

Geography

Elevation33 ft (10 m)
Area376.0 sq mi (973.9 km²)
Population Density498/sq mi
Coordinates37.1483°N, 138.2364°E
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 90.8"
139% above US avg
Snowfall 20.6"
Wettest Month (Dec) 12.60"
Driest Month (Apr) 3.66"

Air Quality

Earthquake History

635 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.5. Most recent: M4.1 on Aug 23, 2025.

Jan 1, 2024 2024 Noto Peninsula, Japan Earthquake M7.5 93 km
Mar 25, 2007 46 km NW of Nanao, Japan M6.7 147 km
Feb 7, 1993 69 km NNE of Nanao, Japan M6.6 103 km
Jul 16, 2007 20 km NNW of Kashiwazaki, Japan M6.6 47 km
May 5, 2023 49 km NE of Anamizu, Japan M6.2 94 km
Jan 1, 2024 8 km SW of Anamizu, Japan M6.2 125 km
Mar 11, 2011 13 km E of Arai, Japan M6.2 19 km
Jan 9, 2024 53 km WSW of Sado, Japan M5.9 89 km
Feb 25, 2013 29 km NE of Numata, Japan M5.8 96 km
Jan 1, 2024 42 km NE of Anamizu, Japan M5.8 95 km
Jul 16, 2007 16 km NNW of Kashiwazaki, Japan M5.7 44 km
Mar 11, 2011 eastern Honshu, Japan M5.7 24 km
Dec 3, 1996 35 km SE of Muramatsu, Japan M5.7 116 km
Jun 2, 2024 40 km NE of Anamizu, Japan M5.7 92 km
Jan 1, 2024 54 km NE of Anamizu, Japan M5.6 84 km
Jan 1, 2024 7 km N of Anamizu, Japan M5.6 121 km
May 5, 2023 43 km NE of Anamizu, Japan M5.6 93 km
Jan 1, 2024 56 km NE of Anamizu, Japan M5.5 84 km
Apr 11, 2011 8 km WSW of Iiyama, Japan M5.5 38 km
Aug 15, 1998 22 km WSW of Hotaka, Japan M5.5 111 km
Source: USGS (M2.5+, 1990-2025)

Hurricane History

27 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 3. Most recent: Faxai (2019).

Year Name Category Closest
2019 Faxai Category 2 236 km
2019 Hagibis Category 1 201 km
2018 Jebi Category 1 146 km
2014 Phanfone Category 1 250 km
2011 Roke Category 1 163 km
2007 Fitow Category 1 193 km
2005 Mawar Category 2 245 km
2004 Ma-on Category 3 222 km
2004 Songda Category 1 268 km
2004 Chaba Category 1 199 km
2003 Etau Category 1 251 km
2002 Higos Category 1 203 km
2001 Danas Category 1 210 km
2000 Kirogi Category 1 282 km
1999 Bart Category 1 297 km
1998 Vicki Category 2 82 km
1998 Zeb Category 1 237 km
1998 Stella Category 1 168 km
1996 Kirk Category 1 163 km
1995 Ryan Category 1 240 km
Source: NOAA IBTrACS (Cat 1+, 1980-2026)

Tsunami History

14 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 93 km
1993 HONSHU ISLAND Earthquake 0.5 m - 103 km
1987 HONSHU ISLAND Earthquake 0.2 m - 47 km
2023 NOTO PENINSULA, JAPAN Earthquake 0.1 m 1 93 km
2007 HONSHU: W COAST Earthquake 0.1 m 1 147 km
2007 HONSHU: W COAST Earthquake - 15 52 km
1892 SW. HONSHU ISLAND Earthquake - 1 129 km
1802 NW. HONSHU ISLAND Earthquake - 19 62 km
1762 NW. HONSHU ISLAND Earthquake - - 113 km
1751 NW. HONSHU ISLAND Eruption + Earthquake - 2,100 13 km
1614 NIIGATA PREFECTURE Earthquake - - 44 km
1448 SADO, JAPAN Earthquake - - 39 km
887 NIIGATA Earthquake - 2,000 41 km
863 NW. HONSHU ISLAND Eruption + Earthquake - - 22 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

15 volcanoes within 200 km. Closest: Myokosan (31 km).

Name Type Elevation Last Eruption Distance
Myokosan Stratovolcano 2,454 m (8,051 ft) -750 31 km
Niigata-Yakeyama Lava dome 2,400 m (7,874 ft) 1998 31 km
Shiga Shield(s) 2,041 m (6,696 ft) Unknown 57 km
Kusatsu-Shiranesan Stratovolcano(es) 2,165 m (7,103 ft) 2018 64 km
Midagahara Stratovolcano 2,621 m (8,599 ft) 1839 86 km
Asamayama Complex 2,568 m (8,425 ft) 2019 86 km
Harunasan Stratovolcano 1,449 m (4,754 ft) 550 93 km
Hiuchigatake Stratovolcano 2,356 m (7,730 ft) 1544 96 km
Washiba-Kumonotaira Shield(s) 2,924 m (9,593 ft) Unknown 100 km
Akagisan Stratovolcano 1,828 m (5,997 ft) Unknown 107 km
Nikko-Shiranesan Shield 2,578 m (8,458 ft) 1952 108 km
Yakedake Stratovolcano(es) 2,455 m (8,054 ft) 1995 118 km
Yokodake Stratovolcano(es) 2,480 m (8,136 ft) 1200 118 km
Nantaisan Stratovolcano 2,486 m (8,156 ft) -9540 119 km
Omanago Group Lava dome(s) 2,341 m (7,680 ft) -3050 120 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 34°F (1°C) 12.6 in Coldest
February 34°F (1°C) 8.1 in
March 39°F (4°C) 5.8 in
April 51°F (11°C) 3.7 in Driest
May 60°F (16°C) 3.8 in
June 68°F (20°C) 5.7 in
July 75°F (24°C) 7.7 in
August 78°F (26°C) 6.1 in Warmest
September 70°F (21°C) 8.1 in
October 59°F (15°C) 7.2 in
November 49°F (9°C) 9.5 in
December 40°F (4°C) 12.6 in Wettest

Jōetsu has a seasonal temperature swing of 44°F / from 34°F in January to 78°F in August. Total annual precipitation is 90.8 inches, with December being the wettest month (12.6") and April the driest (3.7").

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