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Weather & Climate in Sanjiang, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sanjiang enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 44°F in January while summers reach 80°F in July. The area gets 256 sunny days per year, above the national average. Annual precipitation totals 43.8 inches. The city sits at an elevation of 879 feet.
Temperature
44°F Jan (6°C)
80°F Jul (27°C)
| Annual Average | 62.6°F |
| 16% above US avg | |
| January Average | 44°F (6°C) |
| July Average | 80°F (27°C) |
| Sunny Days | 256 days/yr |
Geography
| Elevation | 879 ft (268 m) |
| Area | 278.5 sq mi (721.2 km²) |
| Population Density | 143/sq mi |
| Coordinates | 28.9447°N, 106.7106°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
40 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.9.
| Nov 11, 2012 | 33 km SE of Neijiang, China | M4.9 | 148 km | 10 km |
| Jun 23, 2001 | 29 km W of Yongchuan, China | M4.8 | 119 km | 42 km |
| Aug 13, 1997 | 29 km WNW of Yongchuan, China | M4.8 | 120 km | 37 km |
| Aug 17, 1999 | 28 km WNW of Yongchuan, China | M4.8 | 119 km | 33 km |
| Apr 30, 2002 | 26 km WNW of Yongchuan, China | M4.8 | 118 km | 33 km |
| Sep 10, 2010 | 41 km W of Yongchuan, China | M4.7 | 128 km | 45 km |
| Nov 10, 2012 | 41 km SE of Neijiang, China | M4.6 | 140 km | 34 km |
| Jan 18, 2013 | 33 km SE of Neijiang, China | M4.6 | 147 km | 5 km |
| Nov 19, 2009 | 45 km NW of Changsha, China | M4.6 | 104 km | 47 km |
| Jun 26, 2015 | 7 km NNE of Taiping, China | M4.6 | 103 km | 15 km |
| Jul 23, 2021 | 4 km ESE of Qingjiang, China | M4.6 | 122 km | 35 km |
| Aug 25, 2022 | 48 km WSW of Yongchuan, China | M4.6 | 121 km | 10 km |
| Feb 24, 1997 | 31 km W of Yongchuan, China | M4.5 | 121 km | 33 km |
| Aug 20, 1993 | 30 km NW of Yongchuan, China | M4.5 | 121 km | 10 km |
| Apr 14, 1994 | 26 km WNW of Yongchuan, China | M4.4 | 117 km | 10 km |
| May 6, 2023 | 6 km ENE of Fuji, China | M4.4 | 127 km | 36 km |
| Aug 24, 2021 | 49 km WSW of Yongchuan, China | M4.4 | 131 km | 10 km |
| Feb 22, 2010 | 26 km W of Yongchuan, China | M4.4 | 114 km | 44 km |
| Aug 30, 2021 | 46 km WSW of Changsha, China | M4.4 | 122 km | 10 km |
| Jan 21, 2019 | 59 km ENE of Yibin, China | M4.3 | 144 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 44°F (6°C) | 0.7 in | Coldest, Driest |
| February | 46°F (8°C) | 0.8 in | |
| March | 54°F (12°C) | 1.5 in | |
| April | 63°F (17°C) | 3.6 in | |
| May | 70°F (21°C) | 6.2 in | |
| June | 75°F (24°C) | 7.0 in | Wettest |
| July | 80°F (27°C) | 6.5 in | |
| August | 81°F (27°C) | 5.6 in | Warmest |
| September | 73°F (23°C) | 5.2 in | |
| October | 64°F (18°C) | 3.7 in | |
| November | 55°F (13°C) | 2.1 in | |
| December | 47°F (8°C) | 0.9 in |
Sanjiang has a seasonal temperature swing of 37°F / from 44°F in January to 81°F in August. Total annual precipitation is 43.8 inches, with June being the wettest month (7.0") and January the driest (0.7").