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Ryōtsu-minato, Japan

Full City Profile

4.1 /5.0
A Great
16,359 Population 4/sq mi density
13 ft Elevation 4 meters
54°F Avg Temperature 12°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
Ryōtsu-minato experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 35°F in January while summers reach 73°F in July. The area gets 176 sunny days per year. Annual precipitation totals 88.1 inches. The area receives 17.6 inches of snow annually.

Temperature

35°F Jan (2°C) 73°F Jul (23°C)
Annual Average54.0°F
0% below US avg
January Average35°F (2°C)
July Average73°F (23°C)
Sunny Days176 days/yr

Geography

Elevation13 ft (4 m)
Area3,739.4 sq mi (9,684.9 km²)
Population Density4/sq mi
Coordinates38.0782°N, 138.4394°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 88.1"
132% above US avg
Snowfall 17.6"
Wettest Month (Dec) 12.05"
Driest Month (Apr) 4.29"

Air Quality

Earthquake History

390 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.5. Most recent: M4.2 on Jun 10, 2025.

Jan 1, 2024 2024 Noto Peninsula, Japan Earthquake M7.5 122 km
Jul 16, 2007 20 km NNW of Kashiwazaki, Japan M6.6 60 km
Feb 7, 1993 69 km NNE of Nanao, Japan M6.6 116 km
Jun 18, 2019 31 km WSW of Tsuruoka, Japan M6.4 110 km
Mar 11, 2011 13 km E of Arai, Japan M6.2 119 km
May 5, 2023 49 km NE of Anamizu, Japan M6.2 116 km
Jan 9, 2024 53 km WSW of Sado, Japan M5.9 62 km
Jan 1, 2024 42 km NE of Anamizu, Japan M5.8 123 km
Jun 2, 2024 40 km NE of Anamizu, Japan M5.7 125 km
Dec 3, 1996 35 km SE of Muramatsu, Japan M5.7 113 km
Jul 16, 2007 16 km NNW of Kashiwazaki, Japan M5.7 64 km
Mar 11, 2011 eastern Honshu, Japan M5.7 127 km
Jan 1, 2024 54 km NE of Anamizu, Japan M5.6 111 km
May 5, 2023 43 km NE of Anamizu, Japan M5.6 122 km
Apr 11, 2011 8 km WSW of Iiyama, Japan M5.5 142 km
Jan 1, 2024 56 km NE of Anamizu, Japan M5.5 108 km
Apr 1, 1995 8 km NE of Kameda-honch?, Japan M5.4 68 km
Feb 8, 2012 45 km WSW of Ry?tsu-minato, Japan M5.4 46 km
Dec 7, 1990 17 km SSW of Kashiwazaki, Japan M5.3 96 km
Jan 4, 2001 20 km WSW of Shiozawa, Japan M5.3 123 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

19 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 2. Most recent: Hagibis (2019).

Year Name Category Closest
2019 Hagibis Category 1 224 km
2018 Jebi Category 1 184 km
2011 Roke Category 1 251 km
2007 Fitow Category 1 284 km
2004 Songda Category 1 232 km
2004 Chaba Category 1 231 km
2002 Higos Category 1 207 km
2001 Danas Category 1 255 km
1999 Bart Category 1 271 km
1998 Vicki Category 2 96 km
1998 Zeb Category 1 299 km
1998 Stella Category 1 237 km
1996 Kirk Category 1 210 km
1995 Ryan Category 1 194 km
1994 Orchid Category 1 203 km
1993 Vernon Category 1 287 km
1991 Mireille Category 1 205 km
1990 Flo Category 1 246 km
1981 Thad Category 1 274 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

16 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 549 122 km
1833 NW. HONSHU ISLAND Earthquake 9.0 m 85 110 km
1964 NW. HONSHU ISLAND Earthquake 5.8 m 36 77 km
1993 HONSHU ISLAND Earthquake 0.5 m 116 km
1987 HONSHU ISLAND Earthquake 0.2 m 87 km
2019 NIIGATA Earthquake 0.1 m 110 km
2023 NOTO PENINSULA, JAPAN Earthquake 0.1 m 1 116 km
2007 HONSHU: W COAST Earthquake 15 57 km
1894 YAMAGATA, JAPAN Earthquake 726 150 km
1802 NW. HONSHU ISLAND Earthquake 19 44 km
1762 NW. HONSHU ISLAND Earthquake 23 km
1751 NW. HONSHU ISLAND Eruption + Earthquake 2,100 102 km
1614 NIIGATA PREFECTURE Earthquake 75 km
1448 SADO, JAPAN Earthquake 68 km
887 NIIGATA Earthquake 2,000 71 km
863 NW. HONSHU ISLAND Eruption + Earthquake 116 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

15 volcanoes within 200 km. Closest: Numazawa (122 km).

Name Type Elevation Last Eruption Distance
Numazawa Shield 835 m (2,740 ft) -3400 122 km
Niigata-Yakeyama Lava dome 2,400 m (7,874 ft) 1998 134 km
Myokosan Stratovolcano 2,454 m (8,051 ft) -750 135 km
Hiuchigatake Stratovolcano 2,356 m (7,730 ft) 1544 146 km
Bandaisan Stratovolcano 1,816 m (5,958 ft) 1888 153 km
Shiga Shield(s) 2,041 m (6,696 ft) Unknown 155 km
Kusatsu-Shiranesan Stratovolcano(es) 2,165 m (7,103 ft) 2018 163 km
Azumayama Stratovolcano(es) 1,949 m (6,394 ft) 1977 163 km
Nikko-Shiranesan Shield 2,578 m (8,458 ft) 1952 165 km
Adatarayama Stratovolcano(es) 1,728 m (5,669 ft) 1996 169 km
Omanago Group Lava dome(s) 2,341 m (7,680 ft) -3050 171 km
Nasudake Stratovolcano(es) 1,915 m (6,283 ft) 1963 171 km
Nantaisan Stratovolcano 2,486 m (8,156 ft) -9540 173 km
Zaozan [Zaosan] Complex 1,841 m (6,040 ft) 1940 175 km
Takaharayama Stratovolcano 1,795 m (5,889 ft) -4570 176 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 35°F (2°C) 10.5 in
February 35°F (2°C) 7.1 in Coldest
March 39°F (4°C) 5.3 in
April 49°F (10°C) 4.3 in Driest
May 58°F (14°C) 4.3 in
June 65°F (19°C) 5.4 in
July 73°F (23°C) 7.6 in
August 76°F (25°C) 6.3 in Warmest
September 69°F (21°C) 8.1 in
October 59°F (15°C) 7.1 in
November 49°F (9°C) 10.0 in
December 41°F (5°C) 12.1 in Wettest

Ryōtsu-minato has a seasonal temperature swing of 41°F / from 35°F in February to 76°F in August. Total annual precipitation is 88.1 inches, with December being the wettest month (12.1") and April the driest (4.3").

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