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Weather & Climate in Rokugō, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Rokugō experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 27°F in January while summers reach 73°F in July. The area gets 221 sunny days per year, above the national average. Annual precipitation totals 63.2 inches (wetter than the 38-inch national average). The area receives 20.7 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 194 feet.
Temperature
27°F Jan (-3°C)
73°F Jul (23°C)
| Annual Average | 50.2°F |
| 7% below US avg | |
| January Average | 27°F (-3°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 221 days/yr |
Geography
| Elevation | 194 ft (59 m) |
| Area | 75.5 sq mi (195.5 km²) |
| Population Density | 247/sq mi |
| Coordinates | 39.4167°N, 140.5500°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
965 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.0.
| May 26, 2003 | 27 km SSW of ?funato, Japan | M7.0 | 108 km | 68 km |
| Mar 20, 2021 | 30 km E of Ishinomaki, Japan | M7.0 | 143 km | 43 km |
| Jun 13, 2008 | 24 km WSW of Mizusawa, Japan | M6.9 | 52 km | 8 km |
| May 12, 2015 | 32 km SE of ?funato, Japan | M6.8 | 140 km | 35 km |
| Jul 23, 2008 | 29 km ENE of Morioka, Japan | M6.8 | 89 km | 108 km |
| Dec 2, 2001 | 3 km NW of Hanamaki, Japan | M6.5 | 46 km | 124 km |
| Jun 18, 2019 | 31 km WSW of Tsuruoka, Japan | M6.4 | 127 km | 12 km |
| Nov 3, 2002 | 30 km SE of ?funato, Japan | M6.4 | 137 km | 39 km |
| Apr 19, 2020 | 31 km SE of ?funato, Japan | M6.3 | 138 km | 38 km |
| Jun 17, 2012 | 19 km SSE of ?funato, Japan | M6.3 | 124 km | 36 km |
| Jul 23, 2011 | 21 km SSE of ?funato, Japan | M6.3 | 123 km | 41 km |
| Mar 25, 2011 | 36 km SSE of ?funato, Japan | M6.2 | 135 km | 39 km |
| Mar 27, 2012 | 24 km NNE of Miyako, Japan | M6.1 | 135 km | 15 km |
| Jul 25, 2003 | 7 km NW of Matsushima, Japan | M6.1 | 118 km | 6 km |
| Mar 31, 2011 | 18 km SSE of ?funato, Japan | M6.0 | 123 km | 42 km |
| Aug 10, 1996 | 25 km NE of Shinj?, Japan | M6.0 | 57 km | 10 km |
| Apr 17, 2013 | 29 km ENE of Ishinomaki, Japan | M5.9 | 140 km | 51 km |
| Apr 1, 2024 | 7 km SW of Kuji, Japan | M5.9 | 127 km | 73 km |
| Apr 1, 2011 | 6 km SE of ?tsuchi, Japan | M5.9 | 121 km | 41 km |
| Sep 3, 1998 | 19 km W of Shizukuishi, Japan | M5.9 | 38 km | 38 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
7 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.
| Year | Name | Category | Max Wind | Closest |
| 2019 | Faxai | Category 1 | 81 mph | 290 km |
| 2019 | Hagibis | Category 1 | 75 mph | 173 km |
| 2002 | Higos | Category 1 | 75 mph | 137 km |
| 2000 | Kirogi | Category 1 | 63 mph | 197 km |
| 1998 | Vicki | Category 1 | 58 mph | 111 km |
| 1995 | Ryan | Category 1 | 40 mph | 214 km |
| 1993 | Vernon | Category 1 | 69 mph | 260 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
10 tsunamis recorded within 500 km. Highest wave on record: 9.0 m (30 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1833 | NW. HONSHU ISLAND | Earthquake | 9.0 m | 85 | 134 km |
| 2008 | ARATOZAWA, JAPAN | Eruption + Earthquake | 2.5 m | 23 | 52 km |
| 1939 | NW. HONSHU ISLAND | Earthquake | 1.2 m | 27 | 118 km |
| 1810 | NW. HONSHU ISLAND | Earthquake | 1.0 m | 57 | 77 km |
| 1804 | NW. HONSHU ISLAND | Earthquake | 1.0 m | 450 | 66 km |
| 2019 | NIIGATA | Earthquake | 0.1 m | — | 127 km |
| 1894 | YAMAGATA, JAPAN | Earthquake | — | 726 | 87 km |
| 1644 | HONJO, AKITA | Earthquake | — | 117 | 39 km |
| 1088 | MIYAKO, IWATE PREFECTURE | Earthquake | — | — | 124 km |
| 850 | NW. HONSHU ISLAND | Eruption + Earthquake | — | — | 73 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
14 volcanoes within 200 km. Closest: Akita-Komagatake (44 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Akita-Komagatake | Stratovolcano(es) | 1,637 m (5,371 ft) | 1971 | 44 km |
| Kurikomayama | Stratovolcano | 1,627 m (5,338 ft) | 1950 | 55 km |
| Chokaisan | Stratovolcano(es) | 2,236 m (7,336 ft) | 1974 | 56 km |
| Iwatesan | Complex | 2,038 m (6,686 ft) | 1919 | 62 km |
| Akita-Yakeyama | Stratovolcano | 1,366 m (4,482 ft) | 1997 | 63 km |
| Hachimantai | Stratovolcano | 1,613 m (5,292 ft) | -5350 | 66 km |
| Naruko | Caldera | 470 m (1,542 ft) | 837 | 78 km |
| Megata | Maar(s) | 291 m (955 ft) | -2050 | 92 km |
| Towada | Caldera | 1,011 m (3,317 ft) | 915 | 125 km |
| Iwakisan | Stratovolcano | 1,625 m (5,331 ft) | 1863 | 139 km |
| Hakkodasan | Stratovolcano(es) | 1,585 m (5,200 ft) | 1550 | 141 km |
| Zaozan [Zaosan] | Complex | 1,841 m (6,040 ft) | 1940 | 142 km |
| Azumayama | Stratovolcano(es) | 1,949 m (6,394 ft) | 1977 | 189 km |
| Adatarayama | Stratovolcano(es) | 1,728 m (5,669 ft) | 1996 | 198 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 27°F (-3°C) | 5.8 in | Coldest |
| February | 28°F (-2°C) | 4.5 in | |
| March | 34°F (1°C) | 3.9 in | |
| April | 46°F (8°C) | 4.1 in | |
| May | 57°F (14°C) | 3.7 in | Driest |
| June | 65°F (18°C) | 4.7 in | |
| July | 73°F (23°C) | 7.0 in | Wettest |
| August | 76°F (24°C) | 5.9 in | Warmest |
| September | 67°F (19°C) | 6.2 in | |
| October | 55°F (13°C) | 5.3 in | |
| November | 44°F (6°C) | 5.7 in | |
| December | 33°F (0°C) | 6.5 in |
Rokugō has a seasonal temperature swing of 49°F / from 27°F in January to 76°F in August. Total annual precipitation is 63.2 inches, with July being the wettest month (7.0") and May the driest (3.7").