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Weather & Climate in Helong, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Helong enjoys a temperate climate with an average annual temperature of 64°F (18°C). Winters average 45°F in January while summers reach 81°F in July. The area gets 262 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 71.5 inches (wetter than the 38-inch national average). The city sits at an elevation of 1,932 feet.
Temperature
45°F Jan (7°C)
81°F Jul (27°C)
| Annual Average | 64.4°F |
| 19% above US avg | |
| January Average | 45°F (7°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 262 days/yr |
Geography
| Elevation | 1,932 ft (589 m) |
| Area | 284.2 sq mi (735.9 km²) |
| Population Density | 0/sq mi |
| Coordinates | 26.4462°N, 116.6537°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
2 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.1.
| Nov 26, 1992 | 110 km SW of Sanming, China | M4.1 | 109 km | 33 km |
| Mar 13, 2007 | 44 km W of Nanping, China | M3.9 | 111 km | 35 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
18 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2023 | Doksuri | Category 2 | 81 mph | 195 km |
| 2020 | Mekkhala | Category 1 | 52 mph | 271 km |
| 2018 | Maria | Category 2 | 75 mph | 93 km |
| 2016 | Meranti | Category 3 | 81 mph | 168 km |
| 2015 | Dujuan | Category 2 | 63 mph | 216 km |
| 2007 | Sepat | Category 1 | 63 mph | 298 km |
| 2006 | Saomai | Category 2 | 58 mph | 208 km |
| 2005 | Longwang | Category 2 | 52 mph | 266 km |
| 2004 | Aere | Category 1 | 69 mph | 255 km |
| 2001 | Chebi | Category 2 | 58 mph | 300 km |
| 2000 | Bilis | Category 4 | 92 mph | 128 km |
| 1999 | Dan | Category 2 | 69 mph | 210 km |
| 1997 | Amber | Category 1 | 46 mph | 284 km |
| 1996 | Herb | Category 2 | 81 mph | 121 km |
| 1996 | Gloria | Category 1 | 63 mph | 257 km |
| 1994 | Tim | Category 2 | 81 mph | 200 km |
| 1990 | Percy | Category 1 | — | 293 km |
| 1990 | Dot | Category 1 | 58 mph | 235 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).