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Saga, Japan

Full City Profile

4.1 /5.0
A Great
233,301 Population 933/sq mi density
13 ft Elevation 4 meters
61°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
Saga enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 42°F in January while summers reach 80°F in July. The area gets 208 sunny days per year. Annual precipitation totals 70.4 inches. The area receives 0.0 inches of snow annually.

Temperature

42°F Jan (6°C) 80°F Jul (27°C)
Annual Average61.3°F
14% above US avg
January Average42°F (6°C)
July Average80°F (27°C)
Sunny Days208 days/yr

Geography

Elevation13 ft (4 m)
Area250.1 sq mi (647.7 km²)
Population Density933/sq mi
Coordinates33.2333°N, 130.3000°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 70.4"
85% above US avg
Snowfall 0.0"
Wettest Month (Jun) 12.17"
Driest Month (Dec) 2.40"

Air Quality

Earthquake History

243 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 65 km
Mar 20, 2005 28 km NNW of Maebaru-ch??, Japan M6.6 66 km
Jun 11, 2006 15 km S of Tsukawaki, Japan M6.3 79 km
Apr 14, 2016 2 km SSE of Kumamoto, Japan M6.2 62 km
Mar 26, 1997 16 km NE of Satsumasendai, Japan M6.1 147 km
Apr 14, 2016 5 km ENE of Uto, Japan M6.0 71 km
Apr 15, 2016 6 km S of Kikuchi, Japan M5.7 59 km
Jul 12, 2015 12 km SSW of Usuki, Japan M5.5 137 km
Apr 19, 2005 8 km NNW of Maebaru-ch??, Japan M5.5 46 km
May 22, 1998 9 km NE of Bungo-Takada-shi, Japan M5.5 121 km
Apr 15, 2016 10 km NE of Aso, Japan M5.5 84 km
Apr 18, 2016 8 km NNE of Aso, Japan M5.5 78 km
Apr 14, 2016 14 km ESE of Kumamoto, Japan M5.4 73 km
Feb 12, 1994 4 km WSW of ?kuchi-shinohara, Japan M5.4 134 km
Nov 4, 2002 Kyushu, Japan M5.4 150 km
Apr 15, 2016 5 km WSW of Aso, Japan M5.4 76 km
Apr 15, 2016 5 km ENE of Uto, Japan M5.3 70 km
Apr 14, 2016 4 km NNE of Uto, Japan M5.3 68 km
Apr 15, 2016 13 km ESE of Kumamoto, Japan M5.3 71 km
Apr 19, 2016 6 km NNE of Honmachi, Japan M5.3 81 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 82 km
2022 Nanmadol Category 2 10 km
2022 Hinnamnor Category 2 230 km
2020 Haishen Category 2 115 km
2020 Maysak Category 2 214 km
2019 Francisco Category 1 46 km
2018 Trami Category 1 253 km
2018 Prapiroon Category 1 120 km
2017 Noru Category 1 246 km
2016 Malakas Category 3 214 km
2016 Chaba Category 1 241 km
2016 Namtheun Category 1 273 km
2015 Goni Category 3 49 km
2014 Halong Category 1 271 km
2013 Danas Category 2 175 km
2012 Sanba Category 3 224 km
2012 Damrey Category 1 295 km
2011 Ma-on Category 1 264 km
2007 Usagi Category 3 98 km
2007 Man-yi Category 2 190 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 54 km
1596 BEPPU BAY, KYUSHU Eruption + Earthquake 8.0 m 708 130 km
1828 AMAKUSA SEA Earthquake 80 km
1715 SEIKAIDO Earthquake 130 km
1698 SEIKAIDO-NANKAIDO Earthquake 130 km
1619 YATSUSHIRO, JAPAN Earthquake 86 km
1597 BEPPU BAY, JAPAN Eruption + Earthquake 40 121 km
744 SW. KYUSHU ISLAND Earthquake 1,520 95 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

9 volcanoes within 200 km. Closest: Unzendake (53 km).

Name Type Elevation Last Eruption Distance
Unzendake Complex 1,483 m (4,865 ft) 1996 53 km
Asosan Caldera 1,592 m (5,223 ft) 2020 84 km
Kujusan Stratovolcano(es) 1,791 m (5,876 ft) 1996 90 km
Yufu-Tsurumi Lava dome(s) 1,584 m (5,197 ft) 867 102 km
Fukue Shield(s) 315 m (1,033 ft) -400 150 km
Kirishimayama Shield 1,700 m (5,577 ft) 2018 154 km
Yonemaru-Sumiyoshiike Maar(s) 40 m (131 ft) -6200 165 km
Abu Shield(s) 641 m (2,103 ft) -6850 185 km
Aira Caldera 1,117 m (3,665 ft) 2020 185 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 42°F (6°C) 2.4 in Coldest
February 44°F (7°C) 3.0 in
March 49°F (10°C) 4.3 in
April 59°F (15°C) 5.9 in
May 66°F (19°C) 6.3 in
June 73°F (23°C) 12.2 in Wettest
July 80°F (27°C) 11.8 in
August 82°F (28°C) 7.4 in Warmest
September 75°F (24°C) 8.2 in
October 65°F (18°C) 3.7 in
November 55°F (13°C) 2.9 in
December 46°F (8°C) 2.4 in Driest

Saga has a seasonal temperature swing of 40°F / from 42°F in January to 82°F in August. Total annual precipitation is 70.4 inches, with June being the wettest month (12.2") and December the driest (2.4").

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