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. Annual precipitation totals 94.8 inches. The area receives 0.0 inches of snow annually.
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
Annual Rainfall
94.8"
150% above US avg
Earthquake History
12 earthquakes (M2.5+) within 150 km since 1990.
Strongest: M4.5. Most recent: M4.0 on Jun 23, 2025.
| Feb 22, 2013 |
27 km NW of Heyuan, China |
M4.5 |
109 km |
| Feb 15, 2012 |
37 km NW of Heyuan, China |
M4.4 |
118 km |
| Aug 19, 1999 |
30 km NW of Heyuan, China |
M4.4 |
111 km |
| Aug 31, 2012 |
21 km WSW of Heyuan, China |
M4.3 |
93 km |
| Sep 26, 1997 |
4 km NNW of Sanshui, China |
M4.2 |
103 km |
| Sep 21, 1991 |
23 km WNW of Heyuan, China |
M4.2 |
108 km |
| Mar 7, 2023 |
24 km NW of Heyuan, China |
M4.2 |
110 km |
| Feb 11, 2023 |
10 km WNW of Heyuan, China |
M4.2 |
106 km |
| Mar 24, 1999 |
33 km ENE of Heyuan, China |
M4.1 |
143 km |
| Jun 23, 2025 |
13 km N of Qingyuan, China |
M4.0 |
119 km |
| Jan 4, 2020 |
14 km SW of Tai O, Hong Kong |
M3.8 |
101 km |
| Mar 13, 2022 |
37 km W of Shanwei, China |
M3.8 |
120 km |
Source: USGS (M2.5+, 1990–2025)
Hurricane History
49 hurricanes (Cat 1+) within 500 km since 1980.
Strongest: Category 4. Most recent: Ragasa (2025).
| Year |
Name |
Category |
Closest |
| 2025 |
Ragasa |
Category 4 |
198 km |
| 2025 |
Tapah |
Category 1 |
192 km |
| 2025 |
Wipha |
Category 1 |
152 km |
| 2023 |
Saola |
Category 4 |
119 km |
| 2023 |
Koinu |
Category 3 |
152 km |
| 2021 |
Cempaka |
Category 1 |
237 km |
| 2018 |
Mangkhut |
Category 1 |
173 km |
| 2017 |
Hato |
Category 3 |
131 km |
| 2017 |
Khanun |
Category 2 |
290 km |
| 2016 |
Haima |
Category 1 |
160 km |
| 2016 |
Nida |
Category 1 |
62 km |
| 2015 |
Linfa |
Category 1 |
251 km |
| 2013 |
Usagi |
Category 3 |
75 km |
| 2013 |
Utor |
Category 2 |
252 km |
| 2012 |
Vicente |
Category 4 |
160 km |
| 2009 |
Koppu |
Category 1 |
188 km |
| 2009 |
Molave |
Category 1 |
235 km |
| 2008 |
Hagupit |
Category 4 |
255 km |
| 2006 |
Chanchu |
Category 3 |
282 km |
| 2006 |
Prapiroon |
Category 1 |
290 km |
Source: NOAA IBTrACS (Cat 1+, 1980–2026)
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