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Weather & Climate in Sanuki, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sanuki enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 40°F in January while summers reach 78°F in July. The area gets 281 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 51.7 inches (wetter than the 38-inch national average). The city sits at an elevation of 115 feet.
Temperature
40°F Jan (5°C)
78°F Jul (25°C)
| Annual Average | 58.5°F |
| 8% above US avg | |
| January Average | 40°F (5°C) |
| July Average | 78°F (25°C) |
| Sunny Days | 281 days/yr |
Geography
| Elevation | 115 ft (35 m) |
| Area | 123.8 sq mi (320.6 km²) |
| Population Density | 0/sq mi |
| Coordinates | 34.2669°N, 134.2296°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
205 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.9.
| Jan 16, 1995 | 8 km S of Akashi, Japan | M6.9 | 80 km | 22 km |
| Apr 12, 2013 | 6 km WNW of Sumoto, Japan | M5.8 | 56 km | 14 km |
| Aug 20, 1999 | 22 km SE of Kainan, Japan | M5.7 | 112 km | 66 km |
| Jun 17, 2018 | near the south coast of western Honshu, Japan | M5.5 | 143 km | 10 km |
| Sep 24, 2003 | 5 km WNW of Ayabe, Japan | M5.4 | 146 km | 372 km |
| Oct 8, 2000 | 32 km N of Sh?bara, Japan | M5.4 | 146 km | 10 km |
| Jan 11, 2001 | 15 km E of Tottori, Japan | M5.3 | 136 km | 33 km |
| Sep 16, 2002 | 24 km SW of Kurayoshi, Japan | M5.3 | 122 km | 10 km |
| Sep 3, 1997 | 21 km S of Yasugich?, Japan | M5.3 | 141 km | 10 km |
| Oct 8, 2000 | 8 km SSW of Yonago, Japan | M5.2 | 148 km | 10 km |
| Mar 13, 2019 | 22 km ESE of Anan, Japan | M5.2 | 77 km | 37 km |
| Oct 20, 1991 | 45 km SSW of Tanabe, Japan | M5.1 | 140 km | 41 km |
| Apr 14, 2000 | 10 km SSW of Tanabe, Japan | M5.1 | 120 km | 35 km |
| Apr 26, 2007 | 15 km ESE of Niihama, Japan | M5.1 | 82 km | 50 km |
| Jan 16, 1995 | 20 km SW of Akashi, Japan | M5.0 | 63 km | 10 km |
| Jul 5, 2011 | 12 km NNW of Gob?, Japan | M5.0 | 89 km | 16 km |
| Oct 13, 1995 | 10 km ESE of Akashi, Japan | M4.9 | 90 km | 18 km |
| Aug 22, 1994 | 39 km S of Anan, Japan | M4.9 | 86 km | 38 km |
| Feb 21, 2011 | 12 km NNW of Tanabe, Japan | M4.9 | 111 km | 55 km |
| Jun 16, 2022 | 5 km S of Komatsushimach?, Japan | M4.9 | 47 km | 40 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
49 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2023 | Lan | Category 2 | 81 mph | 150 km |
| 2018 | Jebi | Category 3 | 98 mph | 62 km |
| 2018 | Trami | Category 1 | 92 mph | 120 km |
| 2018 | Cimaron | Category 1 | 92 mph | 57 km |
| 2018 | Jongdari | Category 1 | 75 mph | 265 km |
| 2017 | Lan | Category 2 | 104 mph | 291 km |
| 2017 | Noru | Category 1 | 69 mph | 78 km |
| 2016 | Malakas | Category 1 | 86 mph | 177 km |
| 2015 | Nangka | Category 1 | 81 mph | 141 km |
| 2014 | Phanfone | Category 2 | 92 mph | 178 km |
| 2014 | Halong | Category 1 | 81 mph | 165 km |
| 2012 | Jelawat | Category 1 | 92 mph | 196 km |
| 2011 | Roke | Category 4 | 98 mph | 216 km |
| 2011 | Ma-on | Category 1 | 86 mph | 82 km |
| 2009 | Melor | Category 1 | 92 mph | 216 km |
| 2008 | Sinlaku | Category 1 | 75 mph | 175 km |
| 2007 | Usagi | Category 2 | 92 mph | 254 km |
| 2007 | Man-yi | Category 1 | 81 mph | 219 km |
| 2005 | Nabi | Category 1 | 75 mph | 283 km |
| 2004 | Songda | Category 2 | 86 mph | 218 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tsunami History
10 tsunamis recorded within 500 km. Highest wave on record: 28.0 m (92 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1854 | NANKAIDO | Earthquake | 28.0 m | 3,000 | 148 km |
| 1707 | NANKAIDO | Earthquake | 25.7 m | 5,000 | 130 km |
| 1711 | SEIONAIKAI, JAPAN | Earthquake | 2.0 m | 1,000 | 21 km |
| 1510 | OSAKA BAY | Earthquake | 2.0 m | - | 114 km |
| 1808 | E. AWA, TOKUSHIMA PREFECTURE | Earthquake | 1.5 m | - | 67 km |
| 1995 | KOBE, JAPAN | Earthquake | 0.3 m | 6,434 | 85 km |
| 1791 | OASAKA BAY | Earthquake | - | - | 111 km |
| 1498 | NANKAIDO | Earthquake | - | - | 124 km |
| 1331 | OFF TANABE, WAKAYAMA PREFECTURE | Earthquake | - | - | 109 km |
| 745 | OSAKA BAY, JAPAN | Earthquake | - | - | 105 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: Sanbesan (176 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Sanbesan | Stratovolcano | 1,126 m (3,694 ft) | 650 | 176 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (5°C) | 1.8 in | |
| February | 40°F (4°C) | 2.4 in | Coldest |
| March | 45°F (7°C) | 3.8 in | |
| April | 56°F (13°C) | 6.0 in | |
| May | 64°F (18°C) | 6.4 in | |
| June | 71°F (21°C) | 9.9 in | |
| July | 78°F (25°C) | 8.0 in | |
| August | 80°F (27°C) | 5.8 in | Warmest |
| September | 73°F (23°C) | 10.2 in | Wettest |
| October | 62°F (17°C) | 5.2 in | |
| November | 53°F (11°C) | 3.3 in | |
| December | 43°F (6°C) | 1.5 in | Driest |
Sanuki has a seasonal temperature swing of 40°F / from 40°F in February to 80°F in August. Total annual precipitation is 64.3 inches, with September being the wettest month (10.2") and December the driest (1.5").