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Weather & Climate in Hiroshima, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Hiroshima enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 40°F in January while summers reach 79°F in July. The area gets 200 sunny days per year. Annual precipitation totals 75.1 inches (wetter than the 38-inch national average). The city sits at an elevation of 52 feet.
Temperature
40°F Jan (4°C)
79°F Jul (26°C)
| Annual Average | 59.1°F |
| 9% above US avg | |
| January Average | 40°F (4°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 200 days/yr |
Geography
| Elevation | 52 ft (16 m) |
| Area | 349.4 sq mi (905.0 km²) |
| Population Density | 3,436/sq mi |
| Coordinates | 34.4000°N, 132.4500°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
138 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.8.
| Mar 24, 2001 | 16 km SSW of Kure, Japan | M6.8 | 36 km | 50 km |
| Oct 6, 2000 | 8 km ESE of Matsue, Japan | M6.7 | 133 km | 10 km |
| Apr 17, 2024 | 18 km W of Uwajima, Japan | M6.3 | 128 km | 32 km |
| Mar 13, 2014 | 32 km SSW of Hikari, Japan | M6.3 | 98 km | 79 km |
| Jun 25, 1997 | 17 km E of Hagi, Japan | M5.9 | 78 km | 10 km |
| Apr 8, 2018 | 8 km NNE of ?dach?-?da, Japan | M5.7 | 96 km | 10 km |
| May 22, 1998 | 9 km NE of Bungo-Takada-shi, Japan | M5.5 | 122 km | 81 km |
| Aug 28, 1991 | 9 km SSW of Yasugich?, Japan | M5.5 | 125 km | 13 km |
| Oct 8, 2000 | 32 km N of Sh?bara, Japan | M5.4 | 99 km | 10 km |
| Sep 3, 1997 | 21 km S of Yasugich?, Japan | M5.3 | 116 km | 10 km |
| Sep 16, 2002 | 24 km SW of Kurayoshi, Japan | M5.3 | 145 km | 10 km |
| Mar 25, 2001 | 22 km WNW of H?j?, Japan | M5.2 | 43 km | 43 km |
| Jul 17, 2021 | 29 km NE of Kitsuki, Japan | M5.2 | 104 km | 64 km |
| Oct 8, 2000 | 8 km SSW of Yonago, Japan | M5.2 | 133 km | 10 km |
| Oct 28, 1991 | 13 km SSW of Ube, Japan | M5.2 | 130 km | 17 km |
| Apr 26, 2007 | 15 km ESE of Niihama, Japan | M5.1 | 108 km | 50 km |
| Apr 2, 1997 | 34 km WSW of ?zu, Japan | M5.1 | 118 km | 46 km |
| Jun 3, 2011 | 9 km ENE of G?tsuch?, Japan | M5.0 | 71 km | 10 km |
| Aug 14, 1993 | 19 km SW of ?zu, Japan | M5.0 | 115 km | 41 km |
| Jan 3, 1991 | 22 km W of ?zu, Japan | M5.0 | 102 km | 63 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
48 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Shanshan | Category 1 | 86 mph | 291 km |
| 2022 | Nanmadol | Category 1 | 86 mph | 192 km |
| 2022 | Hinnamnor | Category 1 | 81 mph | 284 km |
| 2019 | Francisco | Category 1 | 81 mph | 239 km |
| 2018 | Jebi | Category 3 | 98 mph | 209 km |
| 2018 | Trami | Category 1 | 92 mph | 224 km |
| 2018 | Cimaron | Category 1 | 92 mph | 207 km |
| 2017 | Noru | Category 1 | 69 mph | 189 km |
| 2016 | Malakas | Category 1 | 86 mph | 203 km |
| 2015 | Goni | Category 3 | 98 mph | 160 km |
| 2015 | Nangka | Category 1 | 81 mph | 231 km |
| 2014 | Phanfone | Category 2 | 92 mph | 299 km |
| 2014 | Halong | Category 1 | 81 mph | 174 km |
| 2011 | Ma-on | Category 1 | 86 mph | 194 km |
| 2008 | Sinlaku | Category 1 | 75 mph | 261 km |
| 2007 | Usagi | Category 2 | 92 mph | 102 km |
| 2007 | Man-yi | Category 1 | 81 mph | 192 km |
| 2006 | Shanshan | Category 1 | 92 mph | 194 km |
| 2005 | Nabi | Category 2 | 86 mph | 131 km |
| 2004 | Songda | Category 2 | 86 mph | 103 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tsunami History
7 tsunamis recorded within 500 km. Highest wave on record: 10.0 m (33 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1026 | OFF MASUDA, SHIMANE PREFECTURE | Earthquake | 10.0 m | 1,001 | 74 km |
| 1596 | BEPPU BAY, KYUSHU | Eruption + Earthquake | 8.0 m | 708 | 141 km |
| 1872 | SW. HONSHU ISLAND | Earthquake | 3.0 m | 804 | 69 km |
| 1711 | SEIONAIKAI, JAPAN | Earthquake | 2.0 m | 1,000 | 143 km |
| 1715 | SEIKAIDO | Earthquake | - | - | 141 km |
| 1698 | SEIKAIDO-NANKAIDO | Earthquake | - | - | 141 km |
| 1597 | BEPPU BAY, JAPAN | Eruption + Earthquake | - | 40 | 145 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
4 volcanoes within 200 km. Closest: Abu (79 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Abu | Shield(s) | 641 m (2,103 ft) | -6850 | 79 km |
| Sanbesan | Stratovolcano | 1,126 m (3,694 ft) | 650 | 84 km |
| Yufu-Tsurumi | Lava dome(s) | 1,584 m (5,197 ft) | 867 | 158 km |
| Kujusan | Stratovolcano(es) | 1,791 m (5,876 ft) | 1996 | 184 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (4°C) | 2.6 in | Coldest |
| February | 41°F (5°C) | 3.3 in | |
| March | 46°F (8°C) | 5.1 in | |
| April | 56°F (13°C) | 6.8 in | |
| May | 64°F (18°C) | 7.2 in | |
| June | 71°F (22°C) | 11.9 in | Wettest |
| July | 79°F (26°C) | 10.4 in | |
| August | 80°F (27°C) | 7.6 in | Warmest |
| September | 73°F (23°C) | 9.4 in | |
| October | 63°F (17°C) | 5.2 in | |
| November | 53°F (12°C) | 3.6 in | |
| December | 44°F (7°C) | 2.1 in | Driest |
Hiroshima has a seasonal temperature swing of 41°F / from 40°F in January to 80°F in August. Total annual precipitation is 75.1 inches, with June being the wettest month (11.9") and December the driest (2.1").