Nanwan enjoys a temperate climate with an average annual temperature of 70°F (21°C). Winters average 54°F in January while summers reach 82°F in July. Annual precipitation totals 58.0 inches. The area receives 0.0 inches of snow annually.
Temperature
54°F Jan (12°C)
82°F Jul (28°C)
| Annual Average | 69.8°F |
| 29% above US avg |
| January Average | 54°F (12°C) |
| July Average | 82°F (28°C) |
Geography
| Elevation | 1,713 ft (522 m) |
| Coordinates | 23.3504°N, 115.5099°E |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Annual Rainfall
58.0"
53% above US avg
Earthquake History
12 earthquakes (M2.5+) within 150 km since 1990.
Strongest: M4.6. Most recent: M4.2 on Mar 7, 2023.
| Aug 4, 1992 |
55 km NW of Hepo, China |
M4.6 |
50 km |
| Feb 22, 2013 |
27 km NW of Heyuan, China |
M4.5 |
121 km |
| Feb 15, 2012 |
37 km NW of Heyuan, China |
M4.4 |
130 km |
| Aug 19, 1999 |
30 km NW of Heyuan, China |
M4.4 |
124 km |
| Aug 31, 2012 |
21 km WSW of Heyuan, China |
M4.3 |
112 km |
| Nov 12, 1995 |
49 km N of Hepo, China |
M4.3 |
65 km |
| Sep 21, 1991 |
23 km WNW of Heyuan, China |
M4.2 |
118 km |
| Mar 7, 2023 |
24 km NW of Heyuan, China |
M4.2 |
119 km |
| Feb 11, 2023 |
10 km WNW of Heyuan, China |
M4.2 |
105 km |
| Mar 24, 1999 |
33 km ENE of Heyuan, China |
M4.1 |
75 km |
| May 16, 1991 |
24 km ESE of Haimen, China |
M3.9 |
138 km |
| Mar 13, 2022 |
37 km W of Shanwei, China |
M3.8 |
87 km |
Source: USGS (M2.5+, 1990-2025)
Hurricane History
52 hurricanes (Cat 1+) within 500 km since 1980.
Strongest: Category 4. Most recent: Ragasa (2025).
| Year |
Name |
Category |
Closest |
| 2025 |
Ragasa |
Category 4 |
261 km |
| 2025 |
Wipha |
Category 1 |
216 km |
| 2023 |
Saola |
Category 4 |
150 km |
| 2023 |
Koinu |
Category 3 |
225 km |
| 2020 |
Mekkhala |
Category 1 |
242 km |
| 2018 |
Mangkhut |
Category 1 |
275 km |
| 2017 |
Hato |
Category 3 |
231 km |
| 2016 |
Meranti |
Category 2 |
295 km |
| 2016 |
Haima |
Category 1 |
97 km |
| 2016 |
Nida |
Category 1 |
123 km |
| 2015 |
Linfa |
Category 1 |
101 km |
| 2013 |
Usagi |
Category 3 |
62 km |
| 2012 |
Vicente |
Category 4 |
279 km |
| 2012 |
Tembin |
Category 2 |
229 km |
| 2010 |
Megi |
Category 3 |
254 km |
| 2010 |
Fanapi |
Category 1 |
195 km |
| 2009 |
Koppu |
Category 1 |
290 km |
| 2009 |
Molave |
Category 1 |
127 km |
| 2009 |
Linfa |
Category 1 |
300 km |
| 2008 |
Nuri |
Category 1 |
264 km |
Source: NOAA IBTrACS (Cat 1+, 1980-2026)