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Weather & Climate in Chashan, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Chashan has a warm climate with an average annual temperature of 74°F (23°C). Winters average 59°F in January while summers reach 85°F in July. The area gets 264 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 94.8 inches (wetter than the 38-inch national average). The city sits at an elevation of 43 feet.
Temperature
59°F Jan (15°C)
85°F Jul (29°C)
| Annual Average | 73.9°F |
| 37% above US avg | |
| January Average | 59°F (15°C) |
| July Average | 85°F (29°C) |
| Sunny Days | 264 days/yr |
Geography
| Elevation | 43 ft (13 m) |
| Area | 13.6 sq mi (35.2 km²) |
| Population Density | 0/sq mi |
| Coordinates | 23.0696°N, 113.8690°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
12 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.5.
| Feb 22, 2013 | 27 km NW of Heyuan, China | M4.5 | 109 km | 9 km |
| Feb 15, 2012 | 37 km NW of Heyuan, China | M4.4 | 118 km | 5 km |
| Aug 19, 1999 | 30 km NW of Heyuan, China | M4.4 | 111 km | 10 km |
| Aug 31, 2012 | 21 km WSW of Heyuan, China | M4.3 | 93 km | 10 km |
| Sep 26, 1997 | 4 km NNW of Sanshui, China | M4.2 | 103 km | 33 km |
| Sep 21, 1991 | 23 km WNW of Heyuan, China | M4.2 | 108 km | 33 km |
| Mar 7, 2023 | 24 km NW of Heyuan, China | M4.2 | 110 km | 10 km |
| Feb 11, 2023 | 10 km WNW of Heyuan, China | M4.2 | 106 km | 10 km |
| Mar 24, 1999 | 33 km ENE of Heyuan, China | M4.1 | 143 km | 10 km |
| Jun 23, 2025 | 13 km N of Qingyuan, China | M4.0 | 119 km | 10 km |
| Jan 4, 2020 | 14 km SW of Tai O, Hong Kong | M3.8 | 101 km | 10 km |
| Mar 13, 2022 | 37 km W of Shanwei, China | M3.8 | 120 km | 10 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 |
| 2025 | Ragasa | Category 4 | — | 198 km |
| 2025 | Tapah | Category 1 | — | 192 km |
| 2025 | Wipha | Category 1 | — | 152 km |
| 2023 | Saola | Category 4 | 109 mph | 119 km |
| 2023 | Koinu | Category 3 | 98 mph | 152 km |
| 2021 | Cempaka | Category 1 | 81 mph | 237 km |
| 2018 | Mangkhut | Category 1 | 86 mph | 173 km |
| 2017 | Hato | Category 3 | 86 mph | 131 km |
| 2017 | Khanun | Category 2 | 81 mph | 290 km |
| 2016 | Haima | Category 1 | 81 mph | 160 km |
| 2016 | Nida | Category 1 | 63 mph | 62 km |
| 2015 | Linfa | Category 1 | — | 251 km |
| 2013 | Usagi | Category 3 | 98 mph | 75 km |
| 2013 | Utor | Category 2 | 81 mph | 252 km |
| 2012 | Vicente | Category 4 | 92 mph | 160 km |
| 2009 | Koppu | Category 1 | 75 mph | 188 km |
| 2009 | Molave | Category 1 | 75 mph | 235 km |
| 2008 | Hagupit | Category 4 | 104 mph | 255 km |
| 2006 | Chanchu | Category 3 | 98 mph | 282 km |
| 2006 | Prapiroon | Category 1 | 75 mph | 290 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).