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Nagano, Japan

Full City Profile

4.1 /5.0
A Great
11,418 Population 153/sq mi density
338 ft Elevation 103 meters
51°F Avg Temperature 11°C
A
Overall
4.1 / 5.0
Strong
B
Economy
3.2 / 5.0
$31,200 median income, 2.8% unemployment
A+
Affordability
5.0 / 5.0
$82,000 home value, $410/mo rent
Nagano experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 31°F in January while summers reach 71°F in July. The area gets 245 sunny days per year. Annual precipitation totals 50.4 inches. The area receives 4.6 inches of snow annually.

Temperature

31°F Jan (-1°C) 71°F Jul (21°C)
Annual Average50.9°F
6% below US avg
January Average31°F (-1°C)
July Average71°F (21°C)
Sunny Days245 days/yr

Geography

Elevation338 ft (103 m)
Area74.7 sq mi (193.3 km²)
Population Density153/sq mi
Coordinates38.0908°N, 140.6553°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 50.4"
33% above US avg
Snowfall 4.6"
Wettest Month (Aug) 6.97"
Driest Month (Jan) 2.28"

Air Quality

Earthquake History

2,517 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.3. Most recent: M4.9 on Aug 29, 2025.

Mar 16, 2022 57 km ENE of Namie, Japan M7.3 91 km
Apr 7, 2011 29 km ESE of Ishinomaki, Japan M7.1 84 km
Feb 13, 2021 73 km ENE of Namie, Japan M7.1 106 km
Mar 20, 2021 30 km E of Ishinomaki, Japan M7.0 96 km
May 26, 2003 27 km SSW of ?funato, Japan M7.0 116 km
Jul 19, 2008 107 km E of Namie, Japan M7.0 149 km
May 1, 2021 30 km SSE of Onagawa Ch?, Japan M6.9 83 km
Jun 13, 2008 24 km WSW of Mizusawa, Japan M6.9 106 km
Apr 11, 2011 17 km SSW of Ishikawa, Japan M6.6 123 km
Mar 14, 2010 59 km ENE of Namie, Japan M6.5 91 km
Nov 3, 2002 30 km SE of ?funato, Japan M6.4 145 km
Jun 18, 2019 31 km WSW of Tsuruoka, Japan M6.4 120 km
Jul 23, 2011 21 km SSE of ?funato, Japan M6.3 135 km
Aug 4, 2019 61 km ENE of Namie, Japan M6.3 91 km
Jun 17, 2012 19 km SSE of ?funato, Japan M6.3 138 km
Mar 11, 2011 103 km E of Namie, Japan M6.3 142 km
Jul 30, 2011 13 km SSE of Iwaki, Japan M6.3 131 km
Jul 24, 2011 43 km NE of Namie, Japan M6.3 76 km
Apr 19, 2020 31 km SE of ?funato, Japan M6.3 148 km
Mar 11, 2011 30 km NNE of Namie, Japan M6.3 63 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

19 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 3. Most recent: Jebi (2024).

Year Name Category Closest
2024 Jebi Category 1 263 km
2019 Faxai Category 2 171 km
2019 Hagibis Category 1 101 km
2016 Lionrock Category 1 299 km
2011 Roke Category 1 276 km
2005 Mawar Category 2 224 km
2004 Ma-on Category 2 162 km
2002 Higos Category 1 18 km
2001 Danas Category 1 189 km
2000 Sonamu Category 1 274 km
2000 Kirogi Category 1 122 km
1998 Vicki Category 2 119 km
1998 Stella Category 1 227 km
1996 Violet Category 1 225 km
1995 Oscar Category 3 269 km
1995 Ryan Category 1 291 km
1993 Vernon Category 1 124 km
1981 Thad Category 1 238 km
1981 Gay Category 1 251 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

20 tsunamis recorded within 500 km. Highest wave on record: 5.8 m (19 ft).

Year Location Cause Max Wave Deaths Distance
1964 NW. HONSHU ISLAND Earthquake 5.8 m 36 129 km
1835 SANRIKU Earthquake 5.0 m 111 km
1861 OFF MIYAGI Earthquake 3.9 m 126 km
2008 ARATOZAWA, JAPAN Eruption + Earthquake 2.5 m 23 106 km
2016 E. COAST HONSHU ISLAND Earthquake 1.4 m 101 km
1938 OFF FUKUSHIMA PREFECTURE Earthquake 1.3 m 120 km
1897 SANRIKU Earthquake 1.0 m 109 km
1804 NW. HONSHU ISLAND Earthquake 1.0 m 450 123 km
1938 SANRIKU Earthquake 0.8 m 142 km
1936 SANRIKU Earthquake 0.7 m 136 km
1978 SANRIKU Earthquake 0.6 m 28 121 km
1938 SANRIKU Earthquake 0.6 m 1 144 km
1938 SANRIKU Earthquake 0.6 m 135 km
2022 OFF FUKUSHIMA PREFECTURE Earthquake 0.3 m 4 91 km
2008 OFF EAST COAST OF HONSHU ISLAND Earthquake 0.2 m 149 km
2019 NIIGATA Earthquake 0.1 m 120 km
2021 OFF FUKUSHIMA PREFECTURE Earthquake 0.1 m 1 103 km
1927 SANRIKU Earthquake 0.1 m 120 km
1898 HONSHU ISLAND Earthquake 0.1 m 130 km
2011 E. COAST HONSHU ISLAND Earthquake 0.1 m 3 84 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

15 volcanoes within 200 km. Closest: Zaozan [Zaosan] (20 km).

Name Type Elevation Last Eruption Distance
Zaozan [Zaosan] Complex 1,841 m (6,040 ft) 1940 20 km
Azumayama Stratovolcano(es) 1,949 m (6,394 ft) 1977 54 km
Adatarayama Stratovolcano(es) 1,728 m (5,669 ft) 1996 59 km
Naruko Caldera 470 m (1,542 ft) 837 71 km
Bandaisan Stratovolcano 1,816 m (5,958 ft) 1888 75 km
Kurikomayama Stratovolcano 1,627 m (5,338 ft) 1950 97 km
Numazawa Shield 835 m (2,740 ft) -3400 120 km
Nasudake Stratovolcano(es) 1,915 m (6,283 ft) 1963 124 km
Chokaisan Stratovolcano(es) 2,236 m (7,336 ft) 1974 124 km
Takaharayama Stratovolcano 1,795 m (5,889 ft) -4570 153 km
Hiuchigatake Stratovolcano 2,356 m (7,730 ft) 1544 175 km
Omanago Group Lava dome(s) 2,341 m (7,680 ft) -3050 176 km
Nantaisan Stratovolcano 2,486 m (8,156 ft) -9540 180 km
Nikko-Shiranesan Shield 2,578 m (8,458 ft) 1952 183 km
Akita-Komagatake Stratovolcano(es) 1,637 m (5,371 ft) 1971 186 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 31°F (-1°C) 2.3 in Coldest, Driest
February 31°F (-0°C) 2.3 in
March 36°F (2°C) 2.8 in
April 48°F (9°C) 3.5 in
May 57°F (14°C) 3.8 in
June 64°F (18°C) 5.4 in
July 71°F (21°C) 6.5 in
August 74°F (23°C) 7.0 in Warmest, Wettest
September 66°F (19°C) 6.9 in
October 55°F (13°C) 4.6 in
November 45°F (7°C) 3.0 in
December 36°F (2°C) 2.4 in

Nagano has a seasonal temperature swing of 43°F / from 31°F in January to 74°F in August. Total annual precipitation is 50.4 inches, with August being the wettest month (7.0") and January the driest (2.3").

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