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Weather & Climate in Siqian, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Siqian enjoys a temperate climate with an average annual temperature of 69°F (20°C). Winters average 48°F in January while summers reach 84°F in July. The area gets 255 sunny days per year, above the national average. Annual precipitation totals 93.0 inches (wetter than the 38-inch national average). The city sits at an elevation of 758 feet.
Temperature
48°F Jan (9°C)
84°F Jul (29°C)
| Annual Average | 68.6°F |
| 27% above US avg | |
| January Average | 48°F (9°C) |
| July Average | 84°F (29°C) |
| Sunny Days | 255 days/yr |
Geography
| Elevation | 758 ft (231 m) |
| Area | 140.8 sq mi (364.7 km²) |
| Population Density | 0/sq mi |
| Coordinates | 24.6685°N, 114.0871°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
9 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.5.
| Feb 22, 2013 | 27 km NW of Heyuan, China | M4.5 | 96 km | 9 km |
| Feb 15, 2012 | 37 km NW of Heyuan, China | M4.4 | 84 km | 5 km |
| Aug 19, 1999 | 30 km NW of Heyuan, China | M4.4 | 92 km | 10 km |
| Aug 31, 2012 | 21 km WSW of Heyuan, China | M4.3 | 116 km | 10 km |
| Sep 21, 1991 | 23 km WNW of Heyuan, China | M4.2 | 100 km | 33 km |
| Mar 7, 2023 | 24 km NW of Heyuan, China | M4.2 | 98 km | 10 km |
| Feb 11, 2023 | 10 km WNW of Heyuan, China | M4.2 | 113 km | 10 km |
| Mar 24, 1999 | 33 km ENE of Heyuan, China | M4.1 | 131 km | 10 km |
| Jun 23, 2025 | 13 km N of Qingyuan, China | M4.0 | 142 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
17 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2023 | Saola | Category 4 | 109 mph | 297 km |
| 2017 | Hato | Category 2 | 86 mph | 300 km |
| 2016 | Haima | Category 1 | — | 271 km |
| 2016 | Nida | Category 1 | 58 mph | 230 km |
| 2013 | Usagi | Category 3 | 98 mph | 193 km |
| 2003 | Dujuan | Category 3 | 81 mph | 233 km |
| 2001 | Utor | Category 1 | 52 mph | 220 km |
| 2000 | Bilis | Category 1 | — | 273 km |
| 1999 | York | Category 1 | 63 mph | 266 km |
| 1999 | Sam | Category 1 | 63 mph | 230 km |
| 1999 | Maggie | Category 1 | 52 mph | 228 km |
| 1997 | Victor | Category 1 | 69 mph | 263 km |
| 1995 | Kent | Category 3 | 92 mph | 163 km |
| 1995 | Helen | Category 1 | 52 mph | 249 km |
| 1993 | Abe | Category 2 | 69 mph | 172 km |
| 1991 | Amy | Category 2 | 69 mph | 217 km |
| 1985 | Hal | Category 2 | 69 mph | 237 km |
| 1983 | Ellen | Category 1 | 86 mph | 292 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 48°F (9°C) | 1.9 in | Coldest |
| February | 53°F (12°C) | 3.7 in | |
| March | 59°F (15°C) | 5.8 in | |
| April | 69°F (20°C) | 8.5 in | |
| May | 76°F (24°C) | 10.7 in | Wettest |
| June | 81°F (27°C) | 10.4 in | |
| July | 84°F (29°C) | 5.7 in | Warmest |
| August | 83°F (28°C) | 6.8 in | |
| September | 79°F (26°C) | 3.8 in | |
| October | 72°F (22°C) | 2.6 in | |
| November | 62°F (17°C) | 1.6 in | |
| December | 54°F (12°C) | 1.4 in | Driest |
Siqian has a seasonal temperature swing of 36°F / from 48°F in January to 84°F in July. Total annual precipitation is 62.9 inches, with May being the wettest month (10.7") and December the driest (1.4").