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Hirobaba, Japan

Full City Profile

4.1 /5.0
A Great
14,216 Population 788/sq mi density
968 ft Elevation 295 meters
54°F Avg Temperature 12°C
A
Overall
4.1 / 5.0
Strong
B
Economy
3.2 / 5.0
$31,200 median income, 2.3% unemployment
A+
Affordability
5.0 / 5.0
$76,000 home value, $380/mo rent
Hirobaba experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 34°F in January while summers reach 73°F in July. The area gets 240 sunny days per year. Annual precipitation totals 53.1 inches. The area receives 5.3 inches of snow annually.

Temperature

34°F Jan (1°C) 73°F Jul (23°C)
Annual Average53.7°F
1% below US avg
January Average34°F (1°C)
July Average73°F (23°C)
Sunny Days240 days/yr

Geography

Elevation968 ft (295 m)
Area18.0 sq mi (46.7 km²)
Population Density788/sq mi
Coordinates36.4231°N, 138.9697°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 53.1"
40% above US avg
Snowfall 5.3"
Wettest Month (Sep) 7.52"
Driest Month (Dec) 2.05"

Air Quality

Earthquake History

1,312 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.6. Most recent: M4.3 on Aug 28, 2025.

Jul 16, 2007 20 km NNW of Kashiwazaki, Japan M6.6 132 km
Apr 11, 2011 17 km SSW of Ishikawa, Japan M6.6 143 km
Mar 11, 2011 13 km E of Arai, Japan M6.2 84 km
Mar 15, 2011 6 km NNW of Fujinomiya, Japan M6.0 133 km
Jul 23, 2005 9 km WSW of Ichihara, Japan M5.9 137 km
Apr 12, 2011 8 km WSW of Ishikawa, Japan M5.9 146 km
Feb 25, 2013 29 km NE of Numata, Japan M5.8 53 km
Apr 16, 2011 6 km ENE of Tanuma, Japan M5.8 61 km
Mar 11, 2011 eastern Honshu, Japan M5.7 83 km
Mar 19, 2011 8 km WNW of Daigo, Japan M5.7 123 km
Dec 3, 1996 35 km SE of Muramatsu, Japan M5.7 127 km
Jul 16, 2007 16 km NNW of Kashiwazaki, Japan M5.7 128 km
Nov 9, 2013 3 km WSW of Moriya, Japan M5.6 106 km
Mar 6, 1996 13 km NNE of Gotenba, Japan M5.6 110 km
Nov 16, 2013 3 km E of Chiba, Japan M5.5 140 km
Mar 15, 2012 3 km ENE of ?me, Japan M5.5 74 km
Sep 29, 2010 35 km NNW of Kuroiso, Japan M5.5 123 km
Jul 15, 2011 5 km NE of Sakai, Japan M5.5 86 km
Feb 15, 2005 2 km NNW of Iwatsuki, Japan M5.5 81 km
Aug 15, 1998 22 km WSW of Hotaka, Japan M5.5 120 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year Name Category Closest
2019 Faxai Category 3 133 km
2019 Hagibis Category 1 99 km
2018 Jebi Category 1 232 km
2018 Shanshan Category 1 264 km
2018 Jongdari Category 1 255 km
2016 Mindulle Category 1 241 km
2014 Phanfone Category 1 177 km
2011 Roke Category 2 62 km
2007 Fitow Category 1 94 km
2005 Mawar Category 2 141 km
2004 Ma-on Category 3 118 km
2004 Chaba Category 1 282 km
2003 Etau Category 1 265 km
2002 Higos Category 2 102 km
2001 Danas Category 1 109 km
2000 Kirogi Category 1 200 km
1998 Vicki Category 2 135 km
1998 Zeb Category 1 293 km
1998 Stella Category 1 70 km
1996 Violet Category 1 235 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

11 tsunamis recorded within 500 km.

Year Location Cause Max Wave Deaths Distance
2007 HONSHU: W COAST Earthquake 15 135 km
1855 TOKAIDO Earthquake 6,757 114 km
1751 NW. HONSHU ISLAND Eruption + Earthquake 2,100 116 km
1633 SAGAMI BAY Earthquake 150 138 km
1614 NIIGATA PREFECTURE Earthquake 148 km
1448 SADO, JAPAN Earthquake 138 km
1257 SAGAMI BAY, JAPAN Earthquake 144 km
1241 KAMAKURA, SAGAMI BAY Earthquake 141 km
887 NIIGATA Earthquake 2,000 143 km
863 NW. HONSHU ISLAND Eruption + Earthquake 115 km
818 TOKAIDO Eruption + Earthquake 139 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

15 volcanoes within 200 km. Closest: Harunasan (12 km).

Name Type Elevation Last Eruption Distance
Harunasan Stratovolcano 1,449 m (4,754 ft) 550 12 km
Akagisan Stratovolcano 1,828 m (5,997 ft) Unknown 25 km
Asamayama Complex 2,568 m (8,425 ft) 2019 40 km
Kusatsu-Shiranesan Stratovolcano(es) 2,165 m (7,103 ft) 2018 45 km
Shiga Shield(s) 2,041 m (6,696 ft) Unknown 50 km
Nikko-Shiranesan Shield 2,578 m (8,458 ft) 1952 55 km
Nantaisan Stratovolcano 2,486 m (8,156 ft) -9540 60 km
Omanago Group Lava dome(s) 2,341 m (7,680 ft) -3050 63 km
Hiuchigatake Stratovolcano 2,356 m (7,730 ft) 1544 66 km
Yokodake Stratovolcano(es) 2,480 m (8,136 ft) 1200 69 km
Takaharayama Stratovolcano 1,795 m (5,889 ft) -4570 89 km
Myokosan Stratovolcano 2,454 m (8,051 ft) -750 92 km
Niigata-Yakeyama Lava dome 2,400 m (7,874 ft) 1998 100 km
Nasudake Stratovolcano(es) 1,915 m (6,283 ft) 1963 118 km
Fujisan Stratovolcano 3,776 m (12,388 ft) 1708 120 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 34°F (1°C) 2.5 in Coldest
February 34°F (1°C) 2.8 in
March 40°F (4°C) 3.0 in
April 51°F (11°C) 3.5 in
May 60°F (15°C) 4.1 in
June 66°F (19°C) 6.5 in
July 73°F (23°C) 6.7 in
August 76°F (24°C) 7.0 in Warmest
September 68°F (20°C) 7.5 in Wettest
October 57°F (14°C) 4.9 in
November 47°F (8°C) 2.7 in
December 39°F (4°C) 2.1 in Driest

Hirobaba has a seasonal temperature swing of 42°F / from 34°F in January to 76°F in August. Total annual precipitation is 53.1 inches, with September being the wettest month (7.5") and December the driest (2.1").

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