All Countries
Weather & Climate in Lanzhou, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Lanzhou experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 23°F in January while summers reach 75°F in July. The area gets 303 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 12.5 inches (drier than the 38-inch national average). The area receives 8.0 inches of snow annually. The city sits at an elevation of 4,990 feet.
Temperature
23°F Jan (-5°C)
75°F Jul (24°C)
| Annual Average | 52.3°F |
| 3% below US avg | |
| January Average | 23°F (-5°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 303 days/yr |
Geography
| Elevation | 4,990 ft (1,521 m) |
| Area | 5,093.6 sq mi (13,192.4 km²) |
| Population Density | 589/sq mi |
| Coordinates | 36.0570°N, 103.8399°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
29 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.7.
| Oct 20, 1990 | Gansu, China | M5.7 | 115 km | 12 km |
| Jul 21, 1995 | 76 km WNW of Lanzhou, China | M5.6 | 76 km | 13 km |
| Jun 6, 2000 | 61 km NNW of Baiyin, China | M5.6 | 106 km | 10 km |
| Oct 31, 2017 | 77 km S of Linxia Chengguanzhen, China | M5.0 | 137 km | 10 km |
| Oct 20, 1990 | 83 km NW of Baiyin, China | M4.9 | 123 km | 10 km |
| Oct 21, 2001 | 70 km NW of Lanzhou, China | M4.7 | 70 km | 33 km |
| Jul 19, 2015 | 96 km SE of Lanzhou, China | M4.6 | 96 km | 45 km |
| Apr 15, 2015 | 75 km S of Lanzhou, China | M4.5 | 76 km | 13 km |
| Jul 2, 2003 | 63 km NNW of Baiyin, China | M4.5 | 114 km | 33 km |
| Jan 9, 2007 | 57 km NNW of Baiyin, China | M4.5 | 107 km | 20 km |
| Jan 14, 2021 | 15 km ENE of Lanzhou, China | M4.5 | 16 km | 10 km |
| Oct 21, 1995 | 51 km WNW of Lanzhou, China | M4.4 | 52 km | 33 km |
| Oct 20, 1990 | 75 km NW of Baiyin, China | M4.3 | 117 km | 10 km |
| Jul 29, 2016 | 58 km NNE of Baiyin, China | M4.3 | 120 km | 15 km |
| Nov 11, 1995 | 95 km NW of Mawu, China | M4.3 | 127 km | 10 km |
| Jan 5, 1997 | Gansu-Ningxia border region, China | M4.3 | 148 km | 33 km |
| Oct 15, 2017 | 90 km NNW of Linxia Chengguanzhen, China | M4.3 | 99 km | 12 km |
| Dec 26, 2000 | 71 km N of Baiyin, China | M4.2 | 127 km | 33 km |
| Jul 22, 1995 | 66 km NW of Lanzhou, China | M4.2 | 67 km | 10 km |
| Mar 4, 2008 | 29 km SSW of Lanzhou, China | M4.0 | 30 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 23°F (-5°C) | 0.1 in | Coldest |
| February | 29°F (-2°C) | 0.1 in | |
| March | 40°F (4°C) | 0.3 in | |
| April | 52°F (11°C) | 0.8 in | |
| May | 61°F (16°C) | 1.5 in | |
| June | 67°F (20°C) | 1.7 in | |
| July | 75°F (24°C) | 2.6 in | Warmest |
| August | 69°F (20°C) | 3.0 in | Wettest |
| September | 60°F (15°C) | 1.9 in | |
| October | 48°F (9°C) | 0.9 in | |
| November | 35°F (2°C) | 0.2 in | |
| December | 24°F (-5°C) | 0.0 in | Driest |
Lanzhou has a seasonal temperature swing of 52°F / from 23°F in January to 75°F in July. Total annual precipitation is 13.2 inches, with August being the wettest month (3.0") and December the driest (0.0").