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Weather & Climate in Yuannan, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Yuannan has a warm climate with an average annual temperature of 72°F (22°C). Winters average 57°F in January while summers reach 83°F in July. The area gets 259 sunny days per year, above the national average. Annual precipitation totals 84.5 inches (wetter than the 38-inch national average). The city sits at an elevation of 102 feet.
Temperature
57°F Jan (14°C)
83°F Jul (28°C)
| Annual Average | 72.1°F |
| 34% above US avg | |
| January Average | 57°F (14°C) |
| July Average | 83°F (28°C) |
| Sunny Days | 259 days/yr |
Geography
| Elevation | 102 ft (31 m) |
| Area | 6,043.9 sq mi (15,653.7 km²) |
| Population Density | 0/sq mi |
| Coordinates | 23.7461°N, 114.6874°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
11 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.6.
| Aug 4, 1992 | 55 km NW of Hepo, China | M4.6 | 79 km | 10 km |
| Feb 22, 2013 | 27 km NW of Heyuan, China | M4.5 | 27 km | 9 km |
| Feb 15, 2012 | 37 km NW of Heyuan, China | M4.4 | 37 km | 5 km |
| Aug 19, 1999 | 30 km NW of Heyuan, China | M4.4 | 30 km | 10 km |
| Aug 31, 2012 | 21 km WSW of Heyuan, China | M4.3 | 22 km | 10 km |
| Nov 12, 1995 | 49 km N of Hepo, China | M4.3 | 112 km | 10 km |
| Sep 21, 1991 | 23 km WNW of Heyuan, China | M4.2 | 23 km | 33 km |
| Mar 7, 2023 | 24 km NW of Heyuan, China | M4.2 | 24 km | 10 km |
| Feb 11, 2023 | 10 km WNW of Heyuan, China | M4.2 | 11 km | 10 km |
| Mar 24, 1999 | 33 km ENE of Heyuan, China | M4.1 | 33 km | 10 km |
| Mar 13, 2022 | 37 km W of Shanwei, China | M3.8 | 116 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
39 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Ragasa | Category 4 | — | 295 km |
| 2025 | Wipha | Category 1 | — | 239 km |
| 2023 | Saola | Category 4 | 115 mph | 194 km |
| 2023 | Koinu | Category 3 | 98 mph | 235 km |
| 2018 | Mangkhut | Category 1 | 86 mph | 276 km |
| 2017 | Hato | Category 3 | 86 mph | 229 km |
| 2016 | Haima | Category 1 | 69 mph | 152 km |
| 2016 | Nida | Category 1 | 63 mph | 137 km |
| 2015 | Linfa | Category 1 | 58 mph | 196 km |
| 2013 | Usagi | Category 3 | 98 mph | 83 km |
| 2012 | Vicente | Category 4 | 92 mph | 263 km |
| 2010 | Fanapi | Category 1 | 58 mph | 277 km |
| 2009 | Koppu | Category 1 | 75 mph | 293 km |
| 2009 | Molave | Category 1 | 75 mph | 210 km |
| 2006 | Chanchu | Category 2 | 92 mph | 241 km |
| 2005 | Sanvu | Category 1 | 58 mph | 277 km |
| 2003 | Dujuan | Category 4 | 81 mph | 128 km |
| 2001 | Utor | Category 1 | 63 mph | 106 km |
| 2000 | Bilis | Category 1 | — | 267 km |
| 1999 | Maggie | Category 2 | 52 mph | 116 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).