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Weather & Climate in Sansha, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sansha 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 260 sunny days per year, above the national average. Annual precipitation totals 69.4 inches (wetter than the 38-inch national average). The city sits at an elevation of 135 feet.
Temperature
45°F Jan (7°C)
81°F Jul (27°C)
| Annual Average | 64.1°F |
| 19% above US avg | |
| January Average | 45°F (7°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 260 days/yr |
Geography
| Elevation | 135 ft (41 m) |
| Area | 284.0 sq mi (735.7 km²) |
| Population Density | 0/sq mi |
| Coordinates | 26.9242°N, 120.2088°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
3 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.5.
| Mar 6, 2008 | 6 km ENE of Meipu, China | M4.5 | 146 km | 35 km |
| Feb 8, 2006 | 26 km WNW of Kunyang, China | M4.3 | 93 km | 10 km |
| Apr 21, 1996 | 10 km WNW of Luoqiao, China | M3.5 | 138 km | 33 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
59 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Gaemi | Category 2 | 69 mph | 203 km |
| 2024 | Kong-rey | Category 1 | — | 270 km |
| 2023 | Doksuri | Category 1 | 58 mph | 248 km |
| 2021 | Chanthu | Category 3 | 109 mph | 252 km |
| 2020 | Hagupit | Category 1 | 81 mph | 122 km |
| 2019 | Lekima | Category 4 | 104 mph | 183 km |
| 2019 | Mitag | Category 2 | 86 mph | 204 km |
| 2018 | Maria | Category 2 | 98 mph | 59 km |
| 2017 | Nesat | Category 1 | 92 mph | 236 km |
| 2016 | Malakas | Category 3 | 109 mph | 268 km |
| 2016 | Megi | Category 1 | — | 293 km |
| 2015 | Dujuan | Category 2 | 63 mph | 241 km |
| 2015 | Soudelor | Category 1 | 75 mph | 250 km |
| 2014 | Matmo | Category 1 | 58 mph | 212 km |
| 2013 | Fitow | Category 1 | 81 mph | 79 km |
| 2013 | Trami | Category 1 | 69 mph | 125 km |
| 2013 | Soulik | Category 1 | 98 mph | 116 km |
| 2012 | Haikui | Category 1 | 75 mph | 293 km |
| 2008 | Sinlaku | Category 3 | 104 mph | 133 km |
| 2008 | Jangmi | Category 2 | 86 mph | 216 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 45°F (7°C) | 2.0 in | Coldest |
| February | 48°F (9°C) | 3.5 in | |
| March | 53°F (12°C) | 5.5 in | |
| April | 61°F (16°C) | 5.9 in | |
| May | 69°F (20°C) | 8.3 in | |
| June | 76°F (24°C) | 10.1 in | Wettest |
| July | 81°F (27°C) | 5.1 in | Warmest |
| August | 81°F (27°C) | 8.0 in | |
| September | 76°F (24°C) | 8.0 in | |
| October | 68°F (20°C) | 3.0 in | |
| November | 60°F (15°C) | 1.9 in | |
| December | 51°F (11°C) | 1.7 in | Driest |
Sansha has a seasonal temperature swing of 36°F / from 45°F in January to 81°F in July. Total annual precipitation is 63.0 inches, with June being the wettest month (10.1") and December the driest (1.7").