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Tosu, Japan

Full City Profile

4.1 /5.0
A Great
74,196 Population 2,680/sq mi density
56 ft Elevation 17 meters
60°F Avg Temperature 16°C
A
Overall
4.1 / 5.0
Strong
B
Economy
3.2 / 5.0
$27,400 median income, 2.3% unemployment
A+
Affordability
5.0 / 5.0
$68,000 home value, $340/mo rent
Tosu enjoys a temperate climate with an average annual temperature of 60°F (16°C). Winters average 41°F in January while summers reach 80°F in July. The area gets 208 sunny days per year. Annual precipitation totals 70.7 inches. The area receives 0.0 inches of snow annually.

Temperature

41°F Jan (5°C) 80°F Jul (27°C)
Annual Average60.4°F
12% above US avg
January Average41°F (5°C)
July Average80°F (27°C)
Sunny Days208 days/yr

Geography

Elevation56 ft (17 m)
Area27.7 sq mi (71.7 km²)
Population Density2,680/sq mi
Coordinates33.3667°N, 130.5167°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 70.7"
86% above US avg
Snowfall 0.0"
Wettest Month (Jun) 12.72"
Driest Month (Dec) 2.36"

Air Quality

Earthquake History

248 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.0. Most recent: M4.9 on Aug 6, 2025.

Apr 15, 2016 6 km ESE of Kumamoto, Japan M7.0 68 km
Mar 20, 2005 28 km NNW of Maebaru-ch??, Japan M6.6 61 km
Jun 11, 2006 15 km S of Tsukawaki, Japan M6.3 64 km
Mar 13, 2014 32 km SSW of Hikari, Japan M6.3 126 km
Apr 14, 2016 2 km SSE of Kumamoto, Japan M6.2 67 km
Apr 14, 2016 5 km ENE of Uto, Japan M6.0 77 km
Apr 15, 2016 6 km S of Kikuchi, Japan M5.7 56 km
Jul 12, 2015 12 km SSW of Usuki, Japan M5.5 121 km
May 22, 1998 9 km NE of Bungo-Takada-shi, Japan M5.5 97 km
Apr 18, 2016 8 km NNE of Aso, Japan M5.5 67 km
Apr 19, 2005 8 km NNW of Maebaru-ch??, Japan M5.5 43 km
Apr 15, 2016 10 km NE of Aso, Japan M5.5 72 km
Feb 12, 1994 4 km WSW of ?kuchi-shinohara, Japan M5.4 146 km
Apr 15, 2016 5 km WSW of Aso, Japan M5.4 68 km
Nov 4, 2002 Kyushu, Japan M5.4 145 km
Apr 14, 2016 14 km ESE of Kumamoto, Japan M5.4 75 km
Apr 15, 2016 13 km ESE of Kumamoto, Japan M5.3 73 km
Apr 15, 2016 5 km ENE of Uto, Japan M5.3 76 km
Apr 14, 2016 4 km NNE of Uto, Japan M5.3 74 km
Apr 19, 2016 6 km NNE of Honmachi, Japan M5.3 90 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year Name Category Closest
2024 Shanshan Category 2 99 km
2022 Nanmadol Category 2 22 km
2022 Hinnamnor Category 2 237 km
2020 Haishen Category 2 138 km
2020 Maysak Category 2 225 km
2019 Francisco Category 1 53 km
2018 Trami Category 1 254 km
2018 Prapiroon Category 1 131 km
2017 Noru Category 1 240 km
2016 Malakas Category 3 217 km
2016 Chaba Category 1 251 km
2016 Namtheun Category 1 291 km
2015 Goni Category 3 59 km
2014 Halong Category 1 256 km
2013 Danas Category 1 191 km
2012 Sanba Category 3 238 km
2011 Ma-on Category 1 252 km
2007 Usagi Category 3 74 km
2007 Man-yi Category 2 190 km
2006 Shanshan Category 2 71 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

8 tsunamis recorded within 500 km. Highest wave on record: 55.0 m (180 ft).

Year Location Cause Max Wave Deaths Distance
1792 SHIMABARA BAY, KYUSHU ISLAND Landslide 55.0 m 15,000 72 km
1596 BEPPU BAY, KYUSHU Eruption + Earthquake 8.0 m 708 110 km
1828 AMAKUSA SEA Earthquake 103 km
1715 SEIKAIDO Earthquake 110 km
1698 SEIKAIDO-NANKAIDO Earthquake 110 km
1619 YATSUSHIRO, JAPAN Earthquake 97 km
1597 BEPPU BAY, JAPAN Eruption + Earthquake 40 101 km
744 SW. KYUSHU ISLAND Earthquake 1,520 108 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

9 volcanoes within 200 km. Closest: Unzendake (70 km).

Name Type Elevation Last Eruption Distance
Unzendake Complex 1,483 m (4,865 ft) 1996 70 km
Kujusan Stratovolcano(es) 1,791 m (5,876 ft) 1996 75 km
Asosan Caldera 1,592 m (5,223 ft) 2020 77 km
Yufu-Tsurumi Lava dome(s) 1,584 m (5,197 ft) 867 82 km
Abu Shield(s) 641 m (2,103 ft) -6850 161 km
Kirishimayama Shield 1,700 m (5,577 ft) 2018 163 km
Fukue Shield(s) 315 m (1,033 ft) -400 174 km
Yonemaru-Sumiyoshiike Maar(s) 40 m (131 ft) -6200 178 km
Aira Caldera 1,117 m (3,665 ft) 2020 198 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 41°F (5°C) 2.6 in Coldest
February 42°F (6°C) 3.0 in
March 48°F (9°C) 4.3 in
April 58°F (14°C) 5.9 in
May 66°F (19°C) 6.5 in
June 73°F (23°C) 12.7 in Wettest
July 80°F (27°C) 12.6 in
August 81°F (27°C) 6.7 in Warmest
September 74°F (23°C) 7.6 in
October 64°F (18°C) 3.7 in
November 54°F (12°C) 2.8 in
December 45°F (7°C) 2.4 in Driest

Tosu has a seasonal temperature swing of 40°F / from 41°F in January to 81°F in August. Total annual precipitation is 70.7 inches, with June being the wettest month (12.7") and December the driest (2.4").

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