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Weather & Climate in Akkeshi, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Akkeshi has a cool climate with an average annual temperature of 44°F (7°C). Winters average 23°F in January while summers reach 61°F in July. The area gets 259 sunny days per year, above the national average. Annual precipitation totals 42.2 inches. The area receives 8.2 inches of snow annually. The city sits at an elevation of 187 feet.
Temperature
23°F Jan (-5°C)
61°F Jul (16°C)
| Annual Average | 43.9°F |
| 19% below US avg | |
| January Average | 23°F (-5°C) |
| July Average | 61°F (16°C) |
| Sunny Days | 259 days/yr |
Geography
| Elevation | 187 ft (57 m) |
| Area | 285.4 sq mi (739.3 km²) |
| Population Density | 31/sq mi |
| Coordinates | 43.0356°N, 144.8525°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
1,123 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.6.
| Jan 15, 1993 | 52 km NE of Otofuke, Japan | M7.6 | 99 km | 102 km |
| Feb 2, 2013 | 18 km SSW of Obihiro, Japan | M6.9 | 146 km | 107 km |
| Oct 8, 2003 | 39 km SSE of Kushiro, Japan | M6.7 | 49 km | 32 km |
| Sep 29, 2003 | 58 km S of Kushiro, Japan | M6.5 | 76 km | 25 km |
| Jan 18, 2005 | 40 km E of Kushiro, Japan | M6.3 | 10 km | 42 km |
| Aug 31, 1994 | 36 km SSE of Yuzhno-Kurilsk, Russia | M6.2 | 121 km | 76 km |
| May 12, 1999 | 44 km W of Kushiro, Japan | M6.2 | 83 km | 103 km |
| Nov 15, 1997 | 19 km NNW of Shibetsu, Japan | M6.1 | 88 km | 161 km |
| Jul 14, 1997 | 65 km E of Nemuro, Japan | M6.1 | 126 km | 33 km |
| Apr 11, 2004 | 38 km E of Kushiro, Japan | M6.1 | 13 km | 42 km |
| Jan 15, 1993 | 17 km W of Kushiro, Japan | M6.1 | 56 km | 112 km |
| Aug 24, 2002 | 50 km ESE of Nemuro, Japan | M6.1 | 103 km | 43 km |
| Apr 26, 2001 | 37 km SE of Nemuro, Japan | M6.0 | 87 km | 86 km |
| Sep 26, 2003 | 110 km S of Kushiro, Japan | M6.0 | 119 km | 33 km |
| Nov 13, 2000 | 62 km SSE of Kushiro, Japan | M6.0 | 61 km | 33 km |
| Feb 25, 2023 | Hokkaido, Japan region | M6.0 | 27 km | 55 km |
| May 31, 2025 | 78 km S of Kushiro, Japan | M6.0 | 90 km | 21 km |
| Jun 21, 2025 | 82 km SE of Nemuro, Japan | M6.0 | 127 km | 18 km |
| Sep 26, 2003 | 94 km SSE of Kushiro, Japan | M5.9 | 99 km | 33 km |
| Oct 8, 1997 | 123 km SSE of Kushiro, Japan | M5.9 | 125 km | 33 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
2 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.
| Year | Name | Category | Max Wind | Closest |
| 2000 | Sonamu | Category 1 | 58 mph | 179 km |
| 1996 | Violet | Category 1 | 63 mph | 243 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
12 tsunamis recorded within 500 km. Highest wave on record: 6.5 m (21 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1952 | SE. HOKKAIDO ISLAND | Earthquake | 6.5 m | 33 | 128 km |
| 1973 | HOKKAIDO ISLAND | Earthquake | 6.0 m | — | 79 km |
| 1843 | SE. HOKKAIDO ISLAND | Earthquake | 4.5 m | 45 | 149 km |
| 1894 | SE. HOKKAIDO ISLAND | Earthquake | 4.0 m | 1 | 111 km |
| 1938 | E. HOKKAIDO ISLAND | Earthquake | 0.9 m | 1 | 77 km |
| 1973 | S. KURIL ISLANDS | Earthquake | 0.6 m | — | 129 km |
| 1973 | S. KURIL ISLANDS | Earthquake | 0.2 m | — | 143 km |
| 2004 | HOKKAIDO ISLAND | Earthquake | 0.1 m | — | 22 km |
| 1962 | SE. HOKKAIDO ISLAND | Earthquake | 0.1 m | — | 121 km |
| 1961 | SE. HOKKAIDO ISLAND | Earthquake | 0.1 m | — | 79 km |
| 1961 | SE. HOKKAIDO ISLAND | Earthquake | 0.1 m | — | 63 km |
| 1893 | NEMURO, JAPAN | Earthquake | — | — | 80 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
11 volcanoes within 200 km. Closest: Mashu (64 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Mashu | Caldera | 857 m (2,812 ft) | 1080 | 64 km |
| Kussharo | Caldera | 574 m (1,883 ft) | 1320 | 73 km |
| Akan | Caldera | 1,499 m (4,918 ft) | 2008 | 78 km |
| Tomariyama [Golovnin] | Caldera | 535 m (1,755 ft) | 1848 | 104 km |
| Shiretoko-Iozan | Stratovolcano | 1,562 m (5,125 ft) | 1936 | 125 km |
| Raususan [Mendeleev] | Stratovolcano | 882 m (2,894 ft) | 1880 | 127 km |
| Maruyama | Stratovolcano(es) | 2,013 m (6,604 ft) | 1898 | 154 km |
| Taisetsuzan | Stratovolcano(es) | 2,291 m (7,516 ft) | 1739 | 176 km |
| Tokachidake | Stratovolcano(es) | 2,077 m (6,814 ft) | 2004 | 181 km |
| Chachadake [Tiatia] | Stratovolcano | 1,822 m (5,978 ft) | 1981 | 185 km |
| Ruruidake [Smirnov] | Stratovolcano | 1,486 m (4,875 ft) | Unknown | 189 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 23°F (-5°C) | 2.1 in | |
| February | 23°F (-5°C) | 1.5 in | Coldest, Driest |
| March | 30°F (-1°C) | 2.6 in | |
| April | 40°F (4°C) | 3.2 in | |
| May | 48°F (9°C) | 4.0 in | |
| June | 54°F (12°C) | 3.8 in | |
| July | 61°F (16°C) | 4.1 in | |
| August | 65°F (19°C) | 4.8 in | Warmest |
| September | 61°F (16°C) | 6.4 in | Wettest |
| October | 52°F (11°C) | 4.7 in | |
| November | 40°F (5°C) | 3.2 in | |
| December | 30°F (-1°C) | 2.0 in |
Akkeshi has a seasonal temperature swing of 43°F / from 23°F in February to 65°F in August. Total annual precipitation is 42.2 inches, with September being the wettest month (6.4") and February the driest (1.5").