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Agano, Japan

Full City Profile

4.1 /5.0
A Great
40,696 Population 478/sq mi density
23 ft Elevation 7 meters
56°F Avg Temperature 13°C
A
Overall
4.1 / 5.0
Strong
B
Economy
3.2 / 5.0
$28,700 median income, 2.3% unemployment
A+
Affordability
5.0 / 5.0
$74,000 home value, $370/mo rent
Agano enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 35°F in January while summers reach 76°F in July. The area gets 198 sunny days per year. Annual precipitation totals 76.0 inches. The area receives 14.1 inches of snow annually.

Temperature

35°F Jan (1°C) 76°F Jul (24°C)
Annual Average55.6°F
3% above US avg
January Average35°F (1°C)
July Average76°F (24°C)
Sunny Days198 days/yr

Geography

Elevation23 ft (7 m)
Area85.1 sq mi (220.5 km²)
Population Density478/sq mi
Coordinates37.8361°N, 139.2233°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 76.0"
100% above US avg
Snowfall 14.1"
Wettest Month (Dec) 9.49"
Driest Month (May) 4.06"

Air Quality

Earthquake History

472 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.6. Most recent: M4.2 on Jun 10, 2025.

Jul 16, 2007 20 km NNW of Kashiwazaki, Japan M6.6 76 km
Apr 11, 2011 17 km SSW of Ishikawa, Japan M6.6 139 km
Jun 18, 2019 31 km WSW of Tsuruoka, Japan M6.4 92 km
Mar 11, 2011 13 km E of Arai, Japan M6.2 118 km
Apr 12, 2011 8 km WSW of Ishikawa, Japan M5.9 130 km
Jan 9, 2024 53 km WSW of Sado, Japan M5.9 127 km
Apr 11, 2011 14 km SSE of Marumori, Japan M5.8 140 km
Feb 25, 2013 29 km NE of Numata, Japan M5.8 110 km
Apr 16, 2008 6 km ENE of Yuza, Japan M5.8 149 km
Jul 16, 2007 16 km NNW of Kashiwazaki, Japan M5.7 76 km
Mar 11, 2011 eastern Honshu, Japan M5.7 129 km
Jan 22, 1992 8 km WNW of Higashine, Japan M5.7 118 km
Mar 19, 2011 8 km WNW of Daigo, Japan M5.7 148 km
Dec 3, 1996 35 km SE of Muramatsu, Japan M5.7 45 km
Mar 22, 2011 12 km ESE of Ishikawa, Japan M5.5 144 km
Apr 11, 2011 20 km SSW of Ishikawa, Japan M5.5 138 km
Apr 11, 2011 8 km WSW of Iiyama, Japan M5.5 141 km
Sep 29, 2010 35 km NNW of Kuroiso, Japan M5.5 87 km
Apr 1, 1995 8 km NE of Kameda-honch?, Japan M5.4 10 km
Feb 8, 2012 45 km WSW of Ry?tsu-minato, Japan M5.4 108 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year Name Category Closest
2019 Faxai Category 2 232 km
2019 Hagibis Category 1 154 km
2018 Jebi Category 1 239 km
2011 Roke Category 1 215 km
2007 Fitow Category 1 249 km
2005 Mawar Category 2 256 km
2004 Ma-on Category 3 232 km
2004 Chaba Category 1 290 km
2002 Higos Category 1 144 km
2001 Danas Category 1 191 km
2000 Kirogi Category 1 237 km
1998 Vicki Category 2 75 km
1998 Stella Category 1 187 km
1996 Violet Category 1 300 km
1996 Kirk Category 1 262 km
1995 Ryan Category 1 239 km
1994 Orchid Category 1 243 km
1993 Vernon Category 1 213 km
1991 Mireille Category 1 278 km
1990 Flo Category 1 255 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

15 tsunamis recorded within 500 km. Highest wave on record: 9.0 m (30 ft).

Year Location Cause Max Wave Deaths Distance
1833 NW. HONSHU ISLAND Earthquake 9.0 m 85 119 km
1964 NW. HONSHU ISLAND Earthquake 5.8 m 36 61 km
1804 NW. HONSHU ISLAND Earthquake 1.0 m 450 149 km
1987 HONSHU ISLAND Earthquake 0.2 m 127 km
2019 NIIGATA Earthquake 0.1 m 93 km
2007 HONSHU: W COAST Earthquake 15 72 km
1894 YAMAGATA, JAPAN Earthquake 726 129 km
1802 NW. HONSHU ISLAND Earthquake 19 83 km
1762 NW. HONSHU ISLAND Earthquake 55 km
1751 NW. HONSHU ISLAND Eruption + Earthquake 2,100 122 km
1614 NIIGATA PREFECTURE Earthquake 114 km
1448 SADO, JAPAN Earthquake 98 km
887 NIIGATA Earthquake 2,000 106 km
863 NW. HONSHU ISLAND Eruption + Earthquake 136 km
850 NW. HONSHU ISLAND Eruption + Earthquake 142 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

15 volcanoes within 200 km. Closest: Numazawa (53 km).

Name Type Elevation Last Eruption Distance
Numazawa Shield 835 m (2,740 ft) -3400 53 km
Bandaisan Stratovolcano 1,816 m (5,958 ft) 1888 79 km
Azumayama Stratovolcano(es) 1,949 m (6,394 ft) 1977 90 km
Adatarayama Stratovolcano(es) 1,728 m (5,669 ft) 1996 95 km
Hiuchigatake Stratovolcano 2,356 m (7,730 ft) 1544 98 km
Nasudake Stratovolcano(es) 1,915 m (6,283 ft) 1963 103 km
Zaozan [Zaosan] Complex 1,841 m (6,040 ft) 1940 112 km
Takaharayama Stratovolcano 1,795 m (5,889 ft) -4570 115 km
Nikko-Shiranesan Shield 2,578 m (8,458 ft) 1952 116 km
Omanago Group Lava dome(s) 2,341 m (7,680 ft) -3050 118 km
Nantaisan Stratovolcano 2,486 m (8,156 ft) -9540 121 km
Akagisan Stratovolcano 1,828 m (5,997 ft) Unknown 142 km
Shiga Shield(s) 2,041 m (6,696 ft) Unknown 142 km
Myokosan Stratovolcano 2,454 m (8,051 ft) -750 144 km
Niigata-Yakeyama Lava dome 2,400 m (7,874 ft) 1998 146 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 35°F (1°C) 8.2 in Coldest
February 35°F (2°C) 5.9 in
March 41°F (5°C) 4.8 in
April 52°F (11°C) 4.2 in
May 61°F (16°C) 4.1 in Driest
June 69°F (20°C) 5.2 in
July 76°F (24°C) 7.2 in
August 79°F (26°C) 5.3 in Warmest
September 71°F (22°C) 6.9 in
October 60°F (16°C) 6.7 in
November 50°F (10°C) 8.0 in
December 40°F (5°C) 9.5 in Wettest

Agano has a seasonal temperature swing of 44°F / from 35°F in January to 79°F in August. Total annual precipitation is 76.0 inches, with December being the wettest month (9.5") and May the driest (4.1").

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