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Weather & Climate in Xiaosanjiang, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Xiaosanjiang enjoys a temperate climate with an average annual temperature of 69°F (21°C). Winters average 44°F in January while summers reach 83°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 69.0 inches (wetter than the 38-inch national average). The city sits at an elevation of 623 feet.
Temperature
44°F Jan (6°C)
83°F Jul (28°C)
| Annual Average | 68.9°F |
| 28% above US avg | |
| January Average | 44°F (6°C) |
| July Average | 83°F (28°C) |
| Sunny Days | 264 days/yr |
Geography
| Elevation | 623 ft (190 m) |
| Area | 1,717.3 sq mi (4,447.9 km²) |
| Population Density | 8/sq mi |
| Coordinates | 24.2715°N, 112.1288°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
3 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.9.
| Jul 31, 2016 | 31 km S of Babu, China | M4.9 | 68 km | 25 km |
| Sep 26, 1997 | 4 km NNW of Sanshui, China | M4.2 | 142 km | 33 km |
| Jun 23, 2025 | 13 km N of Qingyuan, China | M4.0 | 105 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
21 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Ragasa | Category 3 | — | 287 km |
| 2025 | Tapah | Category 1 | — | 279 km |
| 2025 | Wipha | Category 1 | — | 296 km |
| 2023 | Saola | Category 4 | 98 mph | 282 km |
| 2021 | Cempaka | Category 1 | 69 mph | 277 km |
| 2018 | Mangkhut | Category 1 | 75 mph | 247 km |
| 2017 | Hato | Category 3 | 86 mph | 198 km |
| 2016 | Nida | Category 1 | 58 mph | 281 km |
| 2013 | Utor | Category 2 | 75 mph | 258 km |
| 2013 | Usagi | Category 1 | — | 289 km |
| 2012 | Vicente | Category 4 | 92 mph | 190 km |
| 2009 | Koppu | Category 1 | — | 290 km |
| 2003 | Dujuan | Category 2 | 69 mph | 205 km |
| 1999 | York | Category 1 | 63 mph | 272 km |
| 1999 | Sam | Category 1 | 63 mph | 266 km |
| 1997 | Victor | Category 1 | 69 mph | 298 km |
| 1995 | Kent | Category 2 | 58 mph | 94 km |
| 1993 | Koryn | Category 2 | 69 mph | 294 km |
| 1993 | Dot | Category 1 | 69 mph | 254 km |
| 1991 | Brendan | Category 1 | 63 mph | 275 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 44°F (6°C) | 1.9 in | Coldest |
| February | 54°F (12°C) | 3.4 in | |
| March | 60°F (16°C) | 4.9 in | |
| April | 69°F (21°C) | 8.0 in | |
| May | 76°F (25°C) | 11.2 in | Wettest |
| June | 81°F (27°C) | 10.1 in | |
| July | 83°F (28°C) | 6.3 in | Warmest |
| August | 83°F (28°C) | 7.5 in | |
| September | 79°F (26°C) | 4.1 in | |
| October | 72°F (22°C) | 2.7 in | |
| November | 63°F (17°C) | 1.8 in | |
| December | 55°F (13°C) | 1.5 in | Driest |
Xiaosanjiang has a seasonal temperature swing of 40°F / from 44°F in January to 83°F in July. Total annual precipitation is 63.4 inches, with May being the wettest month (11.2") and December the driest (1.5").