Dazhan enjoys a temperate climate with an average annual temperature of 69°F (21°C). Winters average 52°F in January while summers reach 81°F in July. The area gets 240 sunny days per year. Annual precipitation totals 99.4 inches. The area receives 0.0 inches of snow annually.
Temperature
52°F Jan (11°C)
81°F Jul (27°C)
| Annual Average | 68.7°F |
| 27% above US avg |
| January Average | 52°F (11°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 240 days/yr |
Geography
| Elevation | 348 ft (106 m) |
| Area | 94.2 sq mi (244.1 km²) |
| Population Density | 0/sq mi |
| Coordinates | 24.1520°N, 113.3980°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Annual Rainfall
99.4"
161% above US avg
Earthquake History
9 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 |
113 km |
| Feb 15, 2012 |
37 km NW of Heyuan, China |
M4.4 |
108 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 |
121 km |
| Sep 26, 1997 |
4 km NNW of Sanshui, China |
M4.2 |
120 km |
| Sep 21, 1991 |
23 km WNW of Heyuan, China |
M4.2 |
116 km |
| Mar 7, 2023 |
24 km NW of Heyuan, China |
M4.2 |
116 km |
| Feb 11, 2023 |
10 km WNW of Heyuan, China |
M4.2 |
128 km |
| Jun 23, 2025 |
13 km N of Qingyuan, China |
M4.0 |
52 km |
Source: USGS (M2.5+, 1990–2025)
Hurricane History
27 hurricanes (Cat 1+) within 500 km since 1980.
Strongest: Category 4. Most recent: Ragasa (2025).
| Year |
Name |
Category |
Closest |
| 2025 |
Ragasa |
Category 3 |
295 km |
| 2025 |
Tapah |
Category 1 |
274 km |
| 2025 |
Wipha |
Category 1 |
262 km |
| 2023 |
Saola |
Category 4 |
240 km |
| 2023 |
Koinu |
Category 2 |
273 km |
| 2018 |
Mangkhut |
Category 1 |
263 km |
| 2017 |
Hato |
Category 3 |
223 km |
| 2016 |
Haima |
Category 1 |
267 km |
| 2016 |
Nida |
Category 1 |
191 km |
| 2013 |
Usagi |
Category 2 |
177 km |
| 2012 |
Vicente |
Category 4 |
230 km |
| 2009 |
Koppu |
Category 1 |
285 km |
| 2003 |
Dujuan |
Category 2 |
175 km |
| 2001 |
Utor |
Category 1 |
208 km |
| 1999 |
York |
Category 1 |
208 km |
| 1999 |
Sam |
Category 1 |
183 km |
| 1999 |
Maggie |
Category 1 |
209 km |
| 1997 |
Victor |
Category 1 |
218 km |
| 1995 |
Kent |
Category 3 |
95 km |
| 1995 |
Helen |
Category 1 |
227 km |
Source: NOAA IBTrACS (Cat 1+, 1980–2026)
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