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Weather & Climate in Longchuan, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Longchuan enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 49°F in January while summers reach 70°F in July. The area gets 333 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 32.8 inches. The city sits at an elevation of 6,283 feet.
Temperature
49°F Jan (10°C)
70°F Jul (21°C)
| Annual Average | 61.3°F |
| 14% above US avg | |
| January Average | 49°F (10°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 333 days/yr |
Geography
| Elevation | 6,283 ft (1,915 m) |
| Area | 1,712.0 sq mi (4,434.0 km²) |
| Population Density | 0/sq mi |
| Coordinates | 25.1615°N, 101.2942°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
167 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.2.
| Oct 23, 1995 | 79 km SE of Dadukou, China | M6.2 | 132 km | 10 km |
| May 21, 2021 | 25 km NW of Dali, China | M6.1 | 144 km | 9 km |
| Jul 21, 2003 | 75 km SSW of Dadukou, China | M6.0 | 91 km | 10 km |
| Jan 14, 2000 | 85 km E of Dali, China | M5.9 | 55 km | 33 km |
| Jul 9, 2009 | 88 km E of Dali, China | M5.7 | 56 km | 7 km |
| Oct 27, 2001 | 74 km SE of Lijiang, China | M5.6 | 144 km | 10 km |
| Oct 16, 2003 | Yunnan, China | M5.6 | 88 km | 33 km |
| Jan 14, 2000 | 95 km E of Dali, China | M5.5 | 50 km | 33 km |
| Jul 10, 2009 | 82 km E of Dali, China | M5.2 | 63 km | 10 km |
| May 21, 2021 | 22 km WNW of Dali, China | M5.2 | 141 km | 10 km |
| Jul 9, 2001 | 69 km NNE of Jianshui, China | M5.2 | 34 km | 33 km |
| Feb 25, 2010 | 88 km NW of Lianran, China | M5.2 | 73 km | 10 km |
| Aug 14, 1993 | 105 km NW of Longquan, China | M5.2 | 40 km | 33 km |
| May 21, 2021 | 24 km WNW of Dali, China | M5.1 | 143 km | 10 km |
| May 21, 2021 | 21 km W of Dali, China | M5.1 | 137 km | 10 km |
| Jun 10, 2021 | 23 km SW of Longquan, China | M5.0 | 104 km | 10 km |
| Dec 18, 1992 | 85 km WSW of Dadukou, China | M5.0 | 140 km | 30 km |
| May 21, 2021 | 32 km NW of Dali, China | M5.0 | 148 km | 10 km |
| May 21, 2021 | 29 km NNW of Dali, China | M5.0 | 139 km | 10 km |
| Jul 12, 2009 | 84 km E of Dali, China | M4.9 | 61 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 30.0 m (98 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2009 | XIAOWAN RESERVOIR, YUNNAN PROVINCE | Meteorological | 30.0 m | 2 | 138 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 49°F (10°C) | 0.5 in | Coldest, Driest |
| February | 53°F (11°C) | 0.7 in | |
| March | 59°F (15°C) | 1.0 in | |
| April | 64°F (18°C) | 1.5 in | |
| May | 68°F (20°C) | 2.5 in | |
| June | 70°F (21°C) | 5.1 in | Warmest |
| July | 70°F (21°C) | 6.3 in | Wettest |
| August | 69°F (21°C) | 6.2 in | |
| September | 67°F (19°C) | 4.2 in | |
| October | 62°F (17°C) | 3.3 in | |
| November | 55°F (13°C) | 1.4 in | |
| December | 49°F (10°C) | 0.6 in |
Longchuan has a seasonal temperature swing of 21°F / from 49°F in January to 70°F in June. Total annual precipitation is 33.3 inches, with July being the wettest month (6.3") and January the driest (0.5").