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Weather & Climate in Heshan, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Heshan enjoys a temperate climate with an average annual temperature of 70°F (21°C). Winters average 56°F in January while summers reach 79°F in July. The area gets 264 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 90.4 inches (wetter than the 38-inch national average). The city sits at an elevation of 43 feet.
Temperature
56°F Jan (14°C)
79°F Jul (26°C)
| Annual Average | 70.1°F |
| 30% above US avg | |
| January Average | 56°F (14°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 264 days/yr |
Geography
| Elevation | 43 ft (13 m) |
| Area | 3,071.8 sq mi (7,955.9 km²) |
| Population Density | 0/sq mi |
| Coordinates | 21.9652°N, 112.1280°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
2 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.4.
| Sep 16, 2004 | 44 km WSW of Yangjiang, China | M4.4 | 64 km | 10 km |
| Mar 26, 1995 | 108 km SSE of Yangjiang, China | M4.2 | 115 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
61 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Ragasa | Category 4 | — | 38 km |
| 2025 | Matmo | Category 2 | — | 201 km |
| 2025 | Tapah | Category 1 | — | 52 km |
| 2025 | Wipha | Category 1 | — | 112 km |
| 2024 | Yagi | Category 4 | 121 mph | 266 km |
| 2023 | Saola | Category 4 | 98 mph | 30 km |
| 2023 | Koinu | Category 2 | 86 mph | 155 km |
| 2023 | Talim | Category 1 | 69 mph | 126 km |
| 2022 | Chaba | Category 1 | 81 mph | 128 km |
| 2021 | Cempaka | Category 1 | 81 mph | 32 km |
| 2018 | Mangkhut | Category 1 | 86 mph | 10 km |
| 2017 | Hato | Category 3 | 86 mph | 64 km |
| 2017 | Khanun | Category 2 | 86 mph | 134 km |
| 2016 | Nida | Category 1 | 58 mph | 225 km |
| 2015 | Mujigae | Category 4 | 98 mph | 166 km |
| 2014 | Rammasun | Category 5 | 104 mph | 245 km |
| 2014 | Kalmaegi | Category 1 | 86 mph | 249 km |
| 2013 | Krosa | Category 2 | 75 mph | 300 km |
| 2013 | Utor | Category 2 | 81 mph | 43 km |
| 2013 | Usagi | Category 1 | — | 279 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).