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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 67°F (20°C). Winters average 49°F in January while summers reach 83°F in July. The area gets 258 sunny days per year, above the national average. Annual precipitation totals 78.4 inches (wetter than the 38-inch national average). The city sits at an elevation of 679 feet.
Temperature
49°F Jan (9°C)
83°F Jul (28°C)
| Annual Average | 67.3°F |
| 25% above US avg | |
| January Average | 49°F (9°C) |
| July Average | 83°F (28°C) |
| Sunny Days | 258 days/yr |
Geography
| Elevation | 679 ft (207 m) |
| Area | 286.9 sq mi (743.2 km²) |
| Population Density | 0/sq mi |
| Coordinates | 25.9445°N, 116.1341°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.1.
| Nov 26, 1992 | 110 km SW of Sanming, China | M4.1 | 92 km | 33 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
20 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 | 223 km |
| 2020 | Mekkhala | Category 1 | 52 mph | 250 km |
| 2018 | Maria | Category 2 | 75 mph | 166 km |
| 2016 | Meranti | Category 3 | 98 mph | 169 km |
| 2015 | Dujuan | Category 1 | 63 mph | 238 km |
| 2010 | Fanapi | Category 1 | 69 mph | 290 km |
| 2006 | Saomai | Category 1 | 58 mph | 284 km |
| 2006 | Chanchu | Category 1 | 69 mph | 289 km |
| 2005 | Longwang | Category 1 | 52 mph | 263 km |
| 2004 | Aere | Category 1 | 69 mph | 247 km |
| 2000 | Bilis | Category 4 | 75 mph | 91 km |
| 1999 | Dan | Category 2 | 81 mph | 215 km |
| 1996 | Herb | Category 1 | 69 mph | 167 km |
| 1996 | Gloria | Category 1 | 63 mph | 256 km |
| 1994 | Tim | Category 2 | 81 mph | 214 km |
| 1993 | Abe | Category 1 | 52 mph | 288 km |
| 1991 | Amy | Category 2 | 69 mph | 274 km |
| 1991 | Nat | Category 1 | 69 mph | 296 km |
| 1990 | Percy | Category 1 | 69 mph | 261 km |
| 1990 | Dot | Category 1 | 63 mph | 225 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).