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Weather & Climate in Aizu-Wakamatsu, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Aizu-Wakamatsu experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 29°F in January while summers reach 71°F in July. The area gets 239 sunny days per year, above the national average. Annual precipitation totals 53.3 inches (wetter than the 38-inch national average). The area receives 12.7 inches of snow annually. The city sits at an elevation of 781 feet.
Temperature
29°F Jan (-2°C)
71°F Jul (22°C)
| Annual Average | 50.3°F |
| 7% below US avg | |
| January Average | 29°F (-2°C) |
| July Average | 71°F (22°C) |
| Sunny Days | 239 days/yr |
Geography
| Elevation | 781 ft (238 m) |
| Area | 147.9 sq mi (383.0 km²) |
| Population Density | 799/sq mi |
| Coordinates | 37.4914°N, 139.9455°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
1,692 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.3.
| Mar 16, 2022 | 57 km ENE of Namie, Japan | M7.3 | 146 km | 41 km |
| Apr 11, 2011 | 17 km SSW of Ishikawa, Japan | M6.6 | 68 km | 11 km |
| Jul 16, 2007 | 20 km NNW of Kashiwazaki, Japan | M6.6 | 132 km | 12 km |
| Mar 14, 2010 | 59 km ENE of Namie, Japan | M6.5 | 148 km | 32 km |
| Jun 18, 2019 | 31 km WSW of Tsuruoka, Japan | M6.4 | 134 km | 12 km |
| Mar 11, 2011 | 30 km NNE of Namie, Japan | M6.3 | 112 km | 32 km |
| Jul 30, 2011 | 13 km SSE of Iwaki, Japan | M6.3 | 108 km | 38 km |
| Aug 4, 2019 | 61 km ENE of Namie, Japan | M6.3 | 149 km | 38 km |
| Jul 24, 2011 | 43 km NE of Namie, Japan | M6.3 | 130 km | 40 km |
| Mar 11, 2011 | 13 km E of Arai, Japan | M6.2 | 149 km | 9 km |
| Mar 11, 2011 | 61 km ESE of Namie, Japan | M6.2 | 150 km | 40 km |
| Mar 12, 2011 | 29 km SSE of Namie, Japan | M6.1 | 111 km | 38 km |
| May 13, 2011 | 31 km ESE of Namie, Japan | M6.1 | 124 km | 35 km |
| Jul 25, 2003 | 7 km NW of Matsushima, Japan | M6.1 | 138 km | 6 km |
| Mar 11, 2011 | 15 km E of Namie, Japan | M6.0 | 109 km | 37 km |
| Mar 11, 2011 | 17 km ESE of Namie, Japan | M6.0 | 110 km | 49 km |
| Jul 20, 2000 | 31 km ESE of Hitachi, Japan | M6.0 | 143 km | 47 km |
| May 18, 2013 | 50 km NE of Namie, Japan | M6.0 | 137 km | 39 km |
| Mar 11, 2011 | 4 km SSW of Namie, Japan | M5.9 | 92 km | 40 km |
| Apr 12, 2011 | 8 km WSW of Ishikawa, Japan | M5.9 | 57 km | 11 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
21 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Jebi | Category 1 | 75 mph | 296 km |
| 2019 | Faxai | Category 2 | 92 mph | 162 km |
| 2019 | Hagibis | Category 1 | 81 mph | 82 km |
| 2018 | Jebi | Category 1 | 81 mph | 296 km |
| 2016 | Lionrock | Category 1 | 81 mph | 296 km |
| 2011 | Roke | Category 1 | 86 mph | 189 km |
| 2007 | Fitow | Category 1 | 75 mph | 221 km |
| 2005 | Mawar | Category 2 | 75 mph | 191 km |
| 2004 | Ma-on | Category 3 | 92 mph | 158 km |
| 2002 | Higos | Category 1 | 81 mph | 109 km |
| 2001 | Danas | Category 1 | 63 mph | 128 km |
| 2000 | Kirogi | Category 1 | 81 mph | 163 km |
| 1998 | Vicki | Category 2 | 63 mph | 122 km |
| 1998 | Stella | Category 1 | 69 mph | 145 km |
| 1996 | Violet | Category 1 | 81 mph | 226 km |
| 1995 | Oscar | Category 3 | 98 mph | 279 km |
| 1994 | Orchid | Category 1 | 63 mph | 289 km |
| 1993 | Vernon | Category 1 | 75 mph | 141 km |
| 1990 | Flo | Category 1 | 58 mph | 274 km |
| 1981 | Thad | Category 1 | — | 166 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
9 tsunamis recorded within 500 km. Highest wave on record: 5.8 m (19 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1964 | NW. HONSHU ISLAND | Earthquake | 5.8 m | 36 | 117 km |
| 2016 | E. COAST HONSHU ISLAND | Earthquake | 1.4 m | — | 128 km |
| 1938 | SANRIKU | Earthquake | 0.8 m | — | 148 km |
| 2022 | OFF FUKUSHIMA PREFECTURE | Earthquake | 0.3 m | 4 | 146 km |
| 1896 | KASHIMA, JAPAN | Earthquake | 0.3 m | — | 145 km |
| 2019 | NIIGATA | Earthquake | 0.1 m | — | 135 km |
| 2007 | HONSHU: W COAST | Earthquake | — | 15 | 130 km |
| 1802 | NW. HONSHU ISLAND | Earthquake | — | 19 | 147 km |
| 1762 | NW. HONSHU ISLAND | Earthquake | — | — | 129 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km. Closest: Bandaisan (17 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Bandaisan | Stratovolcano | 1,816 m (5,958 ft) | 1888 | 17 km |
| Numazawa | Shield | 835 m (2,740 ft) | -3400 | 34 km |
| Adatarayama | Stratovolcano(es) | 1,728 m (5,669 ft) | 1996 | 34 km |
| Azumayama | Stratovolcano(es) | 1,949 m (6,394 ft) | 1977 | 38 km |
| Nasudake | Stratovolcano(es) | 1,915 m (6,283 ft) | 1963 | 41 km |
| Takaharayama | Stratovolcano | 1,795 m (5,889 ft) | -4570 | 67 km |
| Hiuchigatake | Stratovolcano | 2,356 m (7,730 ft) | 1544 | 84 km |
| Zaozan [Zaosan] | Complex | 1,841 m (6,040 ft) | 1940 | 85 km |
| Omanago Group | Lava dome(s) | 2,341 m (7,680 ft) | -3050 | 87 km |
| Nantaisan | Stratovolcano | 2,486 m (8,156 ft) | -9540 | 90 km |
| Nikko-Shiranesan | Shield | 2,578 m (8,458 ft) | 1952 | 92 km |
| Akagisan | Stratovolcano | 1,828 m (5,997 ft) | Unknown | 123 km |
| Harunasan | Stratovolcano | 1,449 m (4,754 ft) | 550 | 149 km |
| Naruko | Caldera | 470 m (1,542 ft) | 837 | 154 km |
| Shiga | Shield(s) | 2,041 m (6,696 ft) | Unknown | 155 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 29°F (-2°C) | 3.4 in | Coldest |
| February | 29°F (-2°C) | 2.9 in | Driest |
| March | 35°F (1°C) | 3.2 in | |
| April | 47°F (8°C) | 3.5 in | |
| May | 57°F (14°C) | 3.8 in | |
| June | 64°F (18°C) | 5.6 in | |
| July | 71°F (22°C) | 6.7 in | Wettest |
| August | 74°F (23°C) | 6.5 in | Warmest |
| September | 66°F (19°C) | 6.7 in | |
| October | 54°F (12°C) | 4.5 in | |
| November | 43°F (6°C) | 3.4 in | |
| December | 34°F (1°C) | 3.2 in |
Aizu-Wakamatsu has a seasonal temperature swing of 45°F / from 29°F in January to 74°F in August. Total annual precipitation is 53.3 inches, with July being the wettest month (6.7") and February the driest (2.9").