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Weather & Climate in Haikou, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Haikou enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 47°F in January while summers reach 67°F in July. The area gets 271 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 35.9 inches. The city sits at an elevation of 6,263 feet.
Temperature
47°F Jan (8°C)
67°F Jul (19°C)
| Annual Average | 58.5°F |
| 8% above US avg | |
| January Average | 47°F (8°C) |
| July Average | 67°F (19°C) |
| Sunny Days | 271 days/yr |
Geography
| Elevation | 6,263 ft (1,909 m) |
| Area | 88.6 sq mi (229.4 km²) |
| Population Density | 1,272/sq mi |
| Coordinates | 24.7799°N, 102.5755°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
102 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.2.
| Oct 23, 1995 | 79 km SE of Dadukou, China | M6.2 | 140 km | 10 km |
| Jul 9, 2001 | 69 km NNE of Jianshui, China | M5.2 | 117 km | 33 km |
| Aug 14, 1993 | 105 km NW of Longquan, China | M5.2 | 127 km | 33 km |
| Feb 25, 2010 | 88 km NW of Lianran, China | M5.2 | 107 km | 10 km |
| Jun 10, 2021 | 23 km SW of Longquan, China | M5.0 | 64 km | 10 km |
| Aug 21, 2000 | 93 km SSE of Dadukou, China | M4.9 | 123 km | 33 km |
| May 7, 2014 | 81 km NNW of Lianran, China | M4.9 | 100 km | 28 km |
| Jan 26, 2000 | 28 km S of Zhongshu, China | M4.9 | 136 km | 33 km |
| Nov 24, 1999 | 36 km SE of Haikou, China | M4.8 | 37 km | 33 km |
| Jun 24, 2019 | 68 km WNW of Longquan, China | M4.8 | 103 km | 10 km |
| Nov 1, 1995 | 97 km NNW of Majie, China | M4.8 | 123 km | 10 km |
| Oct 24, 1995 | 84 km SSE of Dadukou, China | M4.7 | 132 km | 10 km |
| Oct 14, 2012 | 63 km NNW of Longquan, China | M4.7 | 81 km | 10 km |
| Nov 9, 2012 | 38 km NNW of Majie, China | M4.7 | 65 km | 21 km |
| Apr 13, 2015 | 47 km NW of Kaiyuan, China | M4.7 | 95 km | 10 km |
| Oct 24, 1995 | 94 km SE of Dadukou, China | M4.7 | 128 km | 10 km |
| Aug 13, 2023 | 57 km WNW of Longquan, China | M4.6 | 94 km | 10 km |
| Nov 7, 1995 | 95 km NNW of Majie, China | M4.6 | 122 km | 20 km |
| Oct 19, 2002 | 88 km SSE of Dadukou, China | M4.6 | 127 km | 10 km |
| Apr 19, 2014 | 12 km SSE of Zhongshu, China | M4.6 | 131 km | 36 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1833 | YUNNAN PROVINCE | Eruption + Earthquake | - | 6,700 | 63 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 47°F (8°C) | 0.5 in | Coldest, Driest |
| February | 50°F (10°C) | 0.6 in | |
| March | 56°F (13°C) | 0.8 in | |
| April | 62°F (17°C) | 1.4 in | |
| May | 66°F (19°C) | 3.5 in | |
| June | 67°F (20°C) | 5.8 in | Warmest |
| July | 67°F (19°C) | 7.1 in | Wettest |
| August | 66°F (19°C) | 7.0 in | |
| September | 64°F (18°C) | 4.4 in | |
| October | 59°F (15°C) | 2.7 in | |
| November | 53°F (12°C) | 1.6 in | |
| December | 47°F (8°C) | 0.5 in |
Haikou has a seasonal temperature swing of 21°F / from 47°F in January to 67°F in June. Total annual precipitation is 35.9 inches, with July being the wettest month (7.1") and January the driest (0.5").