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Weather & Climate in Hekou, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Hekou 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 286 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 72.9 inches (wetter than the 38-inch national average). The city sits at an elevation of 95 feet.
Temperature
56°F Jan (13°C)
79°F Jul (26°C)
| Annual Average | 69.5°F |
| 29% above US avg | |
| January Average | 56°F (13°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 286 days/yr |
Geography
| Elevation | 95 ft (29 m) |
| Area | 293.3 sq mi (759.6 km²) |
| Population Density | 0/sq mi |
| Coordinates | 23.1796°N, 115.6068°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
12 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.6.
| Aug 4, 1992 | 55 km NW of Hepo, China | M4.6 | 70 km | 10 km |
| Feb 22, 2013 | 27 km NW of Heyuan, China | M4.5 | 140 km | 9 km |
| Feb 15, 2012 | 37 km NW of Heyuan, China | M4.4 | 149 km | 5 km |
| Aug 19, 1999 | 30 km NW of Heyuan, China | M4.4 | 143 km | 10 km |
| Aug 31, 2012 | 21 km WSW of Heyuan, China | M4.3 | 128 km | 10 km |
| Nov 12, 1995 | 49 km N of Hepo, China | M4.3 | 80 km | 10 km |
| Sep 21, 1991 | 23 km WNW of Heyuan, China | M4.2 | 136 km | 33 km |
| Mar 7, 2023 | 24 km NW of Heyuan, China | M4.2 | 137 km | 10 km |
| Feb 11, 2023 | 10 km WNW of Heyuan, China | M4.2 | 123 km | 10 km |
| Mar 24, 1999 | 33 km ENE of Heyuan, China | M4.1 | 96 km | 10 km |
| May 16, 1991 | 24 km ESE of Haimen, China | M3.9 | 127 km | 10 km |
| Mar 13, 2022 | 37 km W of Shanwei, China | M3.8 | 81 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
52 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Ragasa | Category 4 | — | 243 km |
| 2025 | Wipha | Category 1 | — | 204 km |
| 2023 | Saola | Category 4 | 121 mph | 131 km |
| 2023 | Koinu | Category 3 | 98 mph | 203 km |
| 2020 | Mekkhala | Category 1 | 58 mph | 242 km |
| 2018 | Mangkhut | Category 1 | 86 mph | 263 km |
| 2017 | Hato | Category 3 | 86 mph | 219 km |
| 2016 | Haima | Category 1 | 81 mph | 82 km |
| 2016 | Nida | Category 1 | 63 mph | 113 km |
| 2015 | Linfa | Category 1 | 58 mph | 83 km |
| 2013 | Usagi | Category 3 | 98 mph | 47 km |
| 2012 | Vicente | Category 4 | 92 mph | 272 km |
| 2012 | Tembin | Category 2 | 81 mph | 209 km |
| 2010 | Megi | Category 3 | 98 mph | 246 km |
| 2010 | Fanapi | Category 1 | 58 mph | 189 km |
| 2009 | Koppu | Category 1 | 75 mph | 277 km |
| 2009 | Molave | Category 1 | 75 mph | 106 km |
| 2009 | Linfa | Category 1 | 69 mph | 288 km |
| 2008 | Nuri | Category 1 | 75 mph | 244 km |
| 2006 | Chanchu | Category 3 | 98 mph | 134 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1640 | SOUTH CHINA SEA | Earthquake | — | — | 144 km |
Source: NOAA/NCEI Historical Tsunami Database.