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Weather & Climate in Tosayamadachō-nakano, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Tosayamadachō-nakano enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 42°F in January while summers reach 78°F in July. The area gets 189 sunny days per year. Annual precipitation totals 80.9 inches (wetter than the 38-inch national average). The city sits at an elevation of 135 feet.
Temperature
42°F Jan (6°C)
78°F Jul (26°C)
| Annual Average | 60.8°F |
| 13% above US avg | |
| January Average | 42°F (6°C) |
| July Average | 78°F (26°C) |
| Sunny Days | 189 days/yr |
Geography
| Elevation | 135 ft (41 m) |
| Area | 318.8 sq mi (825.6 km²) |
| Population Density | 83/sq mi |
| Coordinates | 33.6000°N, 133.6833°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
151 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 | 120 km | 50 km |
| Apr 17, 2024 | 18 km W of Uwajima, Japan | M6.3 | 128 km | 32 km |
| Apr 12, 2013 | 6 km WNW of Sumoto, Japan | M5.8 | 136 km | 14 km |
| Mar 25, 2001 | 22 km WNW of H?j?, Japan | M5.2 | 115 km | 43 km |
| Mar 13, 2019 | 22 km ESE of Anan, Japan | M5.2 | 111 km | 37 km |
| Apr 2, 1997 | 34 km WSW of ?zu, Japan | M5.1 | 138 km | 46 km |
| Apr 26, 2007 | 15 km ESE of Niihama, Japan | M5.1 | 40 km | 50 km |
| Oct 20, 1991 | 45 km SSW of Tanabe, Japan | M5.1 | 148 km | 41 km |
| Jan 16, 1995 | 20 km SW of Akashi, Japan | M5.0 | 149 km | 10 km |
| Jan 3, 1991 | 22 km W of ?zu, Japan | M5.0 | 128 km | 63 km |
| Aug 14, 1993 | 19 km SW of ?zu, Japan | M5.0 | 121 km | 41 km |
| Jul 5, 2011 | 12 km NNW of Gob?, Japan | M5.0 | 141 km | 16 km |
| Aug 22, 1994 | 39 km S of Anan, Japan | M4.9 | 85 km | 38 km |
| Jun 16, 2022 | 5 km S of Komatsushimach?, Japan | M4.9 | 91 km | 40 km |
| Aug 30, 1993 | 16 km WSW of ?zu, Japan | M4.9 | 121 km | 47 km |
| Feb 26, 2024 | 18 km N of Yawatahama, Japan | M4.9 | 118 km | 42 km |
| Jan 9, 2001 | 40 km W of ?zu, Japan | M4.9 | 145 km | 49 km |
| Jun 18, 2021 | 1 km ENE of ?zu, Japan | M4.9 | 104 km | 42 km |
| Mar 11, 2019 | 6 km SE of Kihoku-ch?, Japan | M4.9 | 99 km | 44 km |
| May 26, 2005 | 6 km SSW of Kan’onjich?, Japan | M4.8 | 53 km | 38 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
53 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2023 | Lan | Category 2 | 75 mph | 187 km |
| 2022 | Nanmadol | Category 2 | 98 mph | 286 km |
| 2019 | Francisco | Category 1 | 81 mph | 261 km |
| 2018 | Jebi | Category 3 | 98 mph | 66 km |
| 2018 | Trami | Category 1 | 98 mph | 80 km |
| 2018 | Cimaron | Category 1 | 92 mph | 86 km |
| 2017 | Lan | Category 3 | 109 mph | 296 km |
| 2017 | Noru | Category 1 | 69 mph | 49 km |
| 2016 | Malakas | Category 2 | 86 mph | 91 km |
| 2015 | Goni | Category 2 | 81 mph | 296 km |
| 2015 | Nangka | Category 1 | 86 mph | 88 km |
| 2014 | Phanfone | Category 2 | 92 mph | 166 km |
| 2014 | Halong | Category 1 | 86 mph | 76 km |
| 2012 | Jelawat | Category 1 | 92 mph | 159 km |
| 2011 | Roke | Category 4 | 98 mph | 201 km |
| 2011 | Ma-on | Category 1 | 86 mph | 58 km |
| 2009 | Melor | Category 1 | 92 mph | 205 km |
| 2008 | Sinlaku | Category 1 | 75 mph | 128 km |
| 2007 | Usagi | Category 3 | 98 mph | 214 km |
| 2007 | Man-yi | Category 2 | 86 mph | 130 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
9 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 | 134 km |
| 1707 | NANKAIDO | Earthquake | 25.7 m | 5,000 | 113 km |
| 1605 | NANKAIDO | Earthquake | 10.0 m | 5,000 | 131 km |
| 684 | NANKAIDO | Earthquake | 3.0 m | — | 126 km |
| 1711 | SEIONAIKAI, JAPAN | Earthquake | 2.0 m | 1,000 | 83 km |
| 1808 | E. AWA, TOKUSHIMA PREFECTURE | Earthquake | 1.5 m | — | 109 km |
| 1498 | NANKAIDO | Earthquake | — | — | 141 km |
| 1361 | NANKAIDO | Earthquake | — | 660 | 139 km |
| 1331 | OFF TANABE, WAKAYAMA PREFECTURE | Earthquake | — | — | 141 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: Sanbesan (197 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Sanbesan | Stratovolcano | 1,126 m (3,694 ft) | 650 | 197 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (6°C) | 2.1 in | Coldest, Driest |
| February | 43°F (6°C) | 3.4 in | |
| March | 49°F (10°C) | 5.1 in | |
| April | 59°F (15°C) | 8.4 in | |
| May | 66°F (19°C) | 9.2 in | |
| June | 72°F (22°C) | 12.6 in | Wettest |
| July | 78°F (26°C) | 10.9 in | |
| August | 80°F (27°C) | 5.0 in | Warmest |
| September | 75°F (24°C) | 11.4 in | |
| October | 65°F (18°C) | 6.6 in | |
| November | 56°F (13°C) | 4.1 in | |
| December | 46°F (8°C) | 2.2 in |
Tosayamadachō-nakano has a seasonal temperature swing of 38°F / from 42°F in January to 80°F in August. Total annual precipitation is 80.9 inches, with June being the wettest month (12.6") and January the driest (2.1").