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Weather & Climate in Longtan, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Longtan has a cool climate with an average annual temperature of 39°F (4°C). Winters average 7°F in January while summers reach 70°F in July / a wide seasonal temperature swing of 63°F. The area gets 297 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 35.9 inches. The area receives 13.2 inches of snow annually. The city sits at an elevation of 614 feet.
Temperature
7°F Jan (-14°C)
70°F Jul (21°C)
| Annual Average | 38.7°F |
| 28% below US avg | |
| January Average | 7°F (-14°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 297 days/yr |
Geography
| Elevation | 614 ft (187 m) |
| Area | 10,699.4 sq mi (27,711.5 km²) |
| Population Density | 0/sq mi |
| Coordinates | 43.9080°N, 126.5569°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.2.
| Mar 20, 2009 | 33 km E of Gongzhuling, China | M4.2 | 116 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Longgang Group (176 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Longgang Group | Pyroclastic cone(s) | 1,000 m (3,281 ft) | 350 | 176 km |
| Jingbo | Volcanic field | 1,000 m (3,281 ft) | -520 | 183 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 7°F (-14°C) | 0.2 in | Driest |
| February | 5°F (-15°C) | 0.3 in | Coldest |
| March | 26°F (-4°C) | 0.5 in | |
| April | 44°F (7°C) | 1.2 in | |
| May | 57°F (14°C) | 2.1 in | |
| June | 67°F (20°C) | 3.9 in | |
| July | 70°F (21°C) | 7.1 in | Warmest, Wettest |
| August | 69°F (21°C) | 5.3 in | |
| September | 56°F (14°C) | 2.5 in | |
| October | 42°F (6°C) | 1.4 in | |
| November | 23°F (-5°C) | 0.6 in | |
| December | 6°F (-14°C) | 0.3 in |
Longtan has a seasonal temperature swing of 65°F / from 5°F in February to 70°F in July. Total annual precipitation is 25.4 inches, with July being the wettest month (7.1") and January the driest (0.2").