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Ōsaka-sayama, Japan

Full City Profile

4.1 /5.0
A Great
305 ft Elevation 93 meters
61°F Avg Temperature 16°C
A
Overall
4.1 / 5.0
Strong
B
Economy
3.2 / 5.0
$35,600 median income, 3.0% unemployment
A+
Affordability
5.0 / 5.0
$102,000 home value, $510/mo rent
Ōsaka-sayama enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 41°F in January while summers reach 81°F in July. The area gets 285 sunny days per year. Annual precipitation totals 65.7 inches. The area receives 4.5 inches of snow annually.

Temperature

41°F Jan (5°C) 81°F Jul (27°C)
Annual Average61.2°F
13% above US avg
January Average41°F (5°C)
July Average81°F (27°C)
Sunny Days285 days/yr

Geography

Elevation305 ft (93 m)
Area4.6 sq mi (11.9 km²)
Population Density0/sq mi
Coordinates34.4952°N, 135.5507°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 65.7"
73% above US avg
Snowfall 4.5"
Wettest Month (Jun) 9.00"
Driest Month (Dec) 1.50"

Air Quality

Earthquake History

414 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.9. Most recent: M4.8 on Jul 31, 2025.

Jan 16, 1995 8 km S of Akashi, Japan M6.9 50 km
Apr 11, 1990 11 km ENE of Maizuru, Japan M6.1 109 km
Apr 1, 2016 54 km SE of Shing?, Japan M5.9 146 km
Aug 7, 1992 21 km N of Miyazu, Japan M5.8 142 km
Apr 12, 2013 6 km WNW of Sumoto, Japan M5.8 68 km
Jun 1, 1998 17 km SW of Owase, Japan M5.8 79 km
Feb 26, 2025 38 km ESE of Shingū, Japan M5.8 124 km
Aug 20, 1999 22 km SE of Kainan, Japan M5.7 54 km
Nov 18, 2013 25 km SE of Toba, Japan M5.6 139 km
Apr 21, 2000 27 km NNE of Maizuru, Japan M5.5 130 km
Oct 30, 2000 western Honshu, Japan M5.5 65 km
Jun 17, 2018 near the south coast of western Honshu, Japan M5.5 38 km
Aug 1, 2007 42 km ESE of Owase, Japan M5.5 118 km
Sep 24, 2003 5 km WNW of Ayabe, Japan M5.4 97 km
May 9, 2022 7 km NE of Toba, Japan M5.3 123 km
Jan 6, 2004 36 km S of Ise, Japan M5.3 110 km
Mar 13, 2019 22 km ESE of Anan, Japan M5.2 99 km
Apr 22, 1998 18 km SE of Hikone, Japan M5.2 108 km
May 28, 1994 12 km WNW of Nagahama, Japan M5.1 114 km
Apr 15, 2007 11 km ENE of Ueno-ebisumachi, Japan M5.1 72 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

51 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 4. Most recent: Lan (2023).

Year Name Category Closest
2023 Lan Category 2 90 km
2019 Hagibis Category 2 260 km
2018 Jebi Category 3 64 km
2018 Trami Category 1 77 km
2018 Cimaron Category 1 79 km
2018 Jongdari Category 1 142 km
2017 Lan Category 2 195 km
2017 Noru Category 1 69 km
2016 Malakas Category 1 268 km
2015 Nangka Category 1 203 km
2014 Phanfone Category 2 125 km
2014 Halong Category 1 266 km
2012 Jelawat Category 1 219 km
2011 Roke Category 3 133 km
2011 Ma-on Category 1 133 km
2009 Melor Category 1 111 km
2008 Sinlaku Category 1 157 km
2007 Fitow Category 1 293 km
2005 Mawar Category 2 232 km
2004 Ma-on Category 4 220 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

20 tsunamis recorded within 500 km. Highest wave on record: 11.3 m (37 ft).

Year Location Cause Max Wave Deaths Distance
1927 SW. HONSHU ISLAND Eruption + Earthquake 11.3 m 3,022 130 km
1711 SEIONAIKAI, JAPAN Earthquake 2.0 m 1,000 144 km
1520 KII, KUMANANONADA Earthquake 2.0 m — 121 km
1510 OSAKA BAY Earthquake 2.0 m — 18 km
1408 KUMANONADA Earthquake 2.0 m — 146 km
1403 KUMANONADA Earthquake 2.0 m — 124 km
922 KUMANONADA Earthquake 2.0 m — 131 km
1909 ANEGAWA, JAPAN Earthquake 1.8 m 41 122 km
1808 E. AWA, TOKUSHIMA PREFECTURE Earthquake 1.5 m — 96 km
1995 KOBE, JAPAN Earthquake 0.3 m 6,434 45 km
1791 OASAKA BAY Earthquake — — 14 km
1708 TOKAIDO Earthquake — — 144 km
1666 AICHI PREFECTURE Earthquake — — 127 km
1586 ISE BAY Earthquake — 8,000 127 km
1498 NANKAIDO Earthquake — — 115 km
1360 KUMANONADA Earthquake — — 136 km
1331 OFF TANABE, WAKAYAMA PREFECTURE Earthquake — — 94 km
745 OSAKA BAY, JAPAN Earthquake — — 26 km
704 KUMANONADA Earthquake — — 131 km
701 SEA OF JAPAN Earthquake — — 135 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 41°F (5°C) 1.8 in Coldest
February 41°F (5°C) 2.3 in
March 47°F (8°C) 4.0 in
April 57°F (14°C) 5.5 in
May 66°F (19°C) 5.9 in
June 73°F (23°C) 9.0 in Wettest
July 81°F (27°C) 6.7 in
August 82°F (28°C) 4.7 in Warmest
September 75°F (24°C) 7.7 in
October 64°F (18°C) 4.8 in
November 54°F (12°C) 2.9 in
December 45°F (7°C) 1.5 in Driest

Ōsaka-sayama has a seasonal temperature swing of 41°F / from 41°F in January to 82°F in August. Total annual precipitation is 56.8 inches, with June being the wettest month (9.0") and December the driest (1.5").

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