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Weather & Climate in Helong, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Helong has a cool climate with an average annual temperature of 38°F (3°C). Winters average 6°F in January while summers reach 66°F in July. The area gets 290 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 25.1 inches (drier than the 38-inch national average). The area receives 1.9 inches of snow annually. The city sits at an elevation of 1,467 feet.
Temperature
6°F Jan (-14°C)
66°F Jul (19°C)
| Annual Average | 38.1°F |
| 29% below US avg | |
| January Average | 6°F (-14°C) |
| July Average | 66°F (19°C) |
| Sunny Days | 290 days/yr |
Geography
| Elevation | 1,467 ft (447 m) |
| Area | 1,957.0 sq mi (5,068.7 km²) |
| Population Density | 44/sq mi |
| Coordinates | 42.5397°N, 128.9972°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
7 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.9.
| Feb 18, 2010 | 15 km SSW of Kraskino, Russia | M6.9 | 140 km | 578 km |
| Sep 6, 2023 | 34 km E of Hoemul-li, North Korea | M4.9 | 147 km | 645 km |
| Apr 18, 2009 | 10 km ESE of Hunchun, China | M4.9 | 126 km | 564 km |
| Feb 21, 2010 | 22 km SSW of Kraskino, Russia | M4.5 | 138 km | 570 km |
| Apr 1, 1999 | 16 km N of Kraskino, Russia | M3.9 | 149 km | 620 km |
| Sep 23, 2017 | 21 km ENE of S?ngjibaegam, North Korea | M3.6 | 138 km | 5 km |
| Oct 12, 2017 | 22 km ENE of S?ngjibaegam, North Korea | M2.9 | 132 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Changbaishan (98 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Changbaishan | Stratovolcano | 2,744 m (9,003 ft) | 1903 | 98 km |
| Jingbo | Volcanic field | 1,000 m (3,281 ft) | -520 | 172 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 6°F (-14°C) | 0.2 in | Coldest, Driest |
| February | 12°F (-11°C) | 0.3 in | |
| March | 25°F (-4°C) | 0.5 in | |
| April | 40°F (5°C) | 1.3 in | |
| May | 52°F (11°C) | 2.5 in | |
| June | 59°F (15°C) | 4.2 in | |
| July | 66°F (19°C) | 5.6 in | Warmest |
| August | 66°F (19°C) | 5.7 in | Wettest |
| September | 54°F (12°C) | 2.8 in | |
| October | 41°F (5°C) | 1.1 in | |
| November | 25°F (-4°C) | 0.6 in | |
| December | 11°F (-12°C) | 0.3 in |
Helong has a seasonal temperature swing of 60°F / from 6°F in January to 66°F in July. Total annual precipitation is 25.1 inches, with August being the wettest month (5.7") and January the driest (0.2").