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Weather & Climate in Sanyuan, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sanyuan enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 44°F in January while summers reach 81°F in July. The area gets 247 sunny days per year, above the national average. Annual precipitation totals 48.8 inches (wetter than the 38-inch national average). The city sits at an elevation of 692 feet.
Temperature
44°F Jan (7°C)
81°F Jul (27°C)
| Annual Average | 63.2°F |
| 17% above US avg | |
| January Average | 44°F (7°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 247 days/yr |
Geography
| Elevation | 692 ft (211 m) |
| Area | 1,455.2 sq mi (3,768.8 km²) |
| Population Density | 9/sq mi |
| Coordinates | 30.1046°N, 107.6518°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
9 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.5.
| Aug 16, 2025 | 37 km WSW of Bishan, China | M4.5 | 81 km | 13 km |
| Jul 15, 1997 | 69 km WSW of Lichuan, China | M4.5 | 48 km | 33 km |
| Aug 11, 2016 | 68 km N of Fuling, China | M4.4 | 42 km | 15 km |
| Jul 18, 2013 | 66 km SSW of Wanxian, China | M4.4 | 51 km | 44 km |
| Dec 5, 1993 | 72 km ENE of Fuling, China | M4.3 | 41 km | 5 km |
| Jul 16, 2012 | 26 km SE of Fuling, China | M4.2 | 66 km | 7 km |
| May 30, 2012 | 72 km WSW of Lichuan, China | M4.1 | 46 km | 10 km |
| Feb 10, 2005 | 41 km WNW of Lichuan, China | M4.1 | 81 km | 24 km |
| Jan 29, 1993 | 65 km SSW of Wanxian, China | M3.6 | 45 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 44°F (7°C) | 0.7 in | Coldest, Driest |
| February | 47°F (8°C) | 0.8 in | |
| March | 54°F (12°C) | 2.0 in | |
| April | 64°F (18°C) | 4.5 in | |
| May | 71°F (22°C) | 6.5 in | |
| June | 76°F (25°C) | 7.1 in | |
| July | 81°F (27°C) | 7.3 in | Wettest |
| August | 82°F (28°C) | 5.7 in | Warmest |
| September | 74°F (23°C) | 6.6 in | |
| October | 64°F (18°C) | 4.3 in | |
| November | 56°F (13°C) | 2.2 in | |
| December | 47°F (8°C) | 1.0 in |
Sanyuan has a seasonal temperature swing of 38°F / from 44°F in January to 82°F in August. Total annual precipitation is 48.8 inches, with July being the wettest month (7.3") and January the driest (0.7").