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Weather & Climate in Tongchang, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Tongchang enjoys a temperate climate with an average annual temperature of 60°F (15°C). Winters average 51°F in January while summers reach 68°F in July / relatively mild seasonal variation. The area gets 342 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 40.2 inches. The city sits at an elevation of 7,051 feet.
Temperature
51°F Jan (11°C)
68°F Jul (20°C)
| Annual Average | 59.5°F |
| 10% above US avg | |
| January Average | 51°F (11°C) |
| July Average | 68°F (20°C) |
| Sunny Days | 342 days/yr |
Geography
| Elevation | 7,051 ft (2,149 m) |
| Area | 100.9 sq mi (261.3 km²) |
| Population Density | 0/sq mi |
| Coordinates | 24.7133°N, 102.0347°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
113 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 | 145 km | 10 km |
| Jan 14, 2000 | 85 km E of Dali, China | M5.9 | 139 km | 33 km |
| Jul 9, 2009 | 88 km E of Dali, China | M5.7 | 139 km | 7 km |
| Jan 14, 2000 | 95 km E of Dali, China | M5.5 | 131 km | 33 km |
| Jul 9, 2001 | 69 km NNE of Jianshui, China | M5.2 | 65 km | 33 km |
| Feb 25, 2010 | 88 km NW of Lianran, China | M5.2 | 91 km | 10 km |
| Aug 14, 1993 | 105 km NW of Longquan, China | M5.2 | 95 km | 33 km |
| Jul 10, 2009 | 82 km E of Dali, China | M5.2 | 147 km | 10 km |
| Jun 10, 2021 | 23 km SW of Longquan, China | M5.0 | 24 km | 10 km |
| Jul 12, 2009 | 84 km E of Dali, China | M4.9 | 145 km | 10 km |
| May 7, 2014 | 81 km NNW of Lianran, China | M4.9 | 93 km | 28 km |
| Aug 21, 2000 | 93 km SSE of Dadukou, China | M4.9 | 125 km | 33 km |
| Jan 31, 1993 | 73 km SSW of Dadukou, China | M4.9 | 142 km | 33 km |
| Jun 24, 2019 | 68 km WNW of Longquan, China | M4.8 | 56 km | 10 km |
| Nov 1, 1995 | 97 km NNW of Majie, China | M4.8 | 132 km | 10 km |
| Nov 24, 1999 | 36 km SE of Haikou, China | M4.8 | 86 km | 33 km |
| Oct 24, 1995 | 84 km SSE of Dadukou, China | M4.7 | 133 km | 10 km |
| Jul 15, 2006 | 25 km SSW of Jianshui, China | M4.7 | 115 km | 36 km |
| Oct 14, 2012 | 63 km NNW of Longquan, China | M4.7 | 55 km | 10 km |
| Feb 20, 2018 | 43 km WNW of Jianshui, China | M4.7 | 124 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1833 | YUNNAN PROVINCE | Eruption + Earthquake | — | 6,700 | 111 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 51°F (11°C) | 0.5 in | Driest |
| February | 51°F (11°C) | 0.6 in | |
| March | 57°F (14°C) | 0.8 in | |
| April | 63°F (17°C) | 1.3 in | |
| May | 67°F (19°C) | 3.2 in | |
| June | 68°F (20°C) | 5.6 in | Warmest |
| July | 68°F (20°C) | 7.1 in | Wettest |
| August | 67°F (19°C) | 6.9 in | |
| September | 64°F (18°C) | 4.4 in | |
| October | 60°F (16°C) | 2.9 in | |
| November | 53°F (12°C) | 1.6 in | |
| December | 47°F (9°C) | 0.5 in | Coldest |
Tongchang has a seasonal temperature swing of 21°F / from 47°F in December to 68°F in June. Total annual precipitation is 35.4 inches, with July being the wettest month (7.1") and January the driest (0.5").