All Countries
Weather & Climate in Chang’an, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Chang’an has a warm climate with an average annual temperature of 73°F (23°C). Winters average 59°F in January while summers reach 84°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 94.8 inches (wetter than the 38-inch national average). The city sits at an elevation of 20 feet.
Temperature
59°F Jan (15°C)
84°F Jul (29°C)
| Annual Average | 72.8°F |
| 35% above US avg | |
| January Average | 59°F (15°C) |
| July Average | 84°F (29°C) |
| Sunny Days | 264 days/yr |
Geography
| Elevation | 20 ft (6 m) |
| Area | 15.7 sq mi (40.7 km²) |
| Population Density | 0/sq mi |
| Coordinates | 22.8065°N, 113.8028°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
11 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 | 138 km | 9 km |
| Feb 15, 2012 | 37 km NW of Heyuan, China | M4.4 | 147 km | 5 km |
| Aug 19, 1999 | 30 km NW of Heyuan, China | M4.4 | 140 km | 10 km |
| Aug 31, 2012 | 21 km WSW of Heyuan, China | M4.3 | 120 km | 10 km |
| Sep 26, 1997 | 4 km NNW of Sanshui, China | M4.2 | 105 km | 33 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 | 138 km | 10 km |
| Feb 11, 2023 | 10 km WNW of Heyuan, China | M4.2 | 132 km | 10 km |
| Jun 23, 2025 | 13 km N of Qingyuan, China | M4.0 | 137 km | 10 km |
| Jan 4, 2020 | 14 km SW of Tai O, Hong Kong | M3.8 | 71 km | 10 km |
| Mar 13, 2022 | 37 km W of Shanwei, China | M3.8 | 121 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
54 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Ragasa | Category 4 | — | 168 km |
| 2025 | Tapah | Category 1 | — | 167 km |
| 2025 | Wipha | Category 1 | — | 123 km |
| 2023 | Saola | Category 4 | 109 mph | 90 km |
| 2023 | Koinu | Category 3 | 98 mph | 123 km |
| 2023 | Talim | Category 1 | 69 mph | 290 km |
| 2021 | Cempaka | Category 1 | 81 mph | 212 km |
| 2018 | Mangkhut | Category 2 | 86 mph | 145 km |
| 2017 | Hato | Category 3 | 86 mph | 101 km |
| 2017 | Khanun | Category 2 | 81 mph | 260 km |
| 2016 | Haima | Category 1 | 81 mph | 157 km |
| 2016 | Nida | Category 1 | 63 mph | 47 km |
| 2015 | Linfa | Category 1 | — | 256 km |
| 2013 | Krosa | Category 2 | 75 mph | 286 km |
| 2013 | Usagi | Category 2 | 92 mph | 84 km |
| 2013 | Utor | Category 2 | 81 mph | 229 km |
| 2012 | Vicente | Category 4 | 92 mph | 130 km |
| 2009 | Koppu | Category 1 | 75 mph | 158 km |
| 2009 | Molave | Category 1 | 75 mph | 233 km |
| 2008 | Hagupit | Category 4 | 104 mph | 227 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 59°F (15°C) | 1.3 in | Coldest, Driest |
| February | 60°F (15°C) | 2.2 in | |
| March | 65°F (19°C) | 3.3 in | |
| April | 73°F (23°C) | 6.9 in | |
| May | 79°F (26°C) | 10.1 in | |
| June | 83°F (28°C) | 11.5 in | |
| July | 84°F (29°C) | 11.5 in | Warmest |
| August | 84°F (29°C) | 11.6 in | Wettest |
| September | 82°F (28°C) | 6.9 in | |
| October | 77°F (25°C) | 3.1 in | |
| November | 69°F (20°C) | 1.6 in | |
| December | 61°F (16°C) | 1.3 in |
Chang’an has a seasonal temperature swing of 25°F / from 59°F in January to 84°F in July. Total annual precipitation is 71.3 inches, with August being the wettest month (11.6") and January the driest (1.3").