Dunhuang, set on the edge of the Gobi Desert in northwest China, features a temperate arid climate with dramatic seasonal contrasts. The city experiences scorching, dry summers, freezing winters, and very little rainfall. With abundant sunshine, large day-night temperature swings, and frequent winds, Dunhuang offers a unique desert landscape for adventurous travellers year-round.
The best times to travel section shows how the months compare for a visit, so you can find the time of year that fits what you want to do.
Background colours of the months:
The colour shows the typical temperature: yellow (hot), green (mild) and blue (cold). How strong the colour is shows the travel season: full colour means high season, soft colour means shoulder season and soft-striped means off season.
Weather symbols:
Each month has one symbol showing what the weather is typically like, such as hot and sunny, freezing or a rainy or snowy season. Use them to quickly spot months that match the weather you want, or to avoid the ones that don't.
Crowdedness:
The people icon shows how busy the place usually is. The more people, the more crowded it gets.
Additional notes:
The grey info boxes point out special things worth knowing, like recurring weather issues or seasonal events.
Dunhuang’s climate is defined by its location in the Gobi Desert and its elevation of around 1,139 metres. The city experiences a temperate arid (cold desert) climate, marked by extremely low annual precipitation – just 40–50 mm – and high evaporation rates. Dunhuang enjoys over 3,200 hours of sunshine per year, making it one of China’s sunniest cities. The diurnal temperature variation is striking, averaging over 16°C annually, with hot days and cool nights, especially in summer.
Summers (June–August) are scorching and dry, with average highs of 32–35°C in July and daytime peaks sometimes exceeding 40°C. Nights offer relief, cooling to 15–20°C. Winters (December–February) are long, cold, and dry, with average highs near 0°C and lows dropping to –12°C or lower. The coldest months can see temperatures plunge to –15°C or below, with occasional light snow. Spring (March–May) is warm and often windy, with sandstorms possible, while autumn (September–November) is cool and mild, with pleasant daytime temperatures and chilly nights. Rainfall is minimal and can occur as brief showers or light snow, mostly in summer and early autumn. Winds are frequent, especially in spring, and can cause sandstorms that reduce visibility and create challenging conditions for travel.
The region’s long frost-free period (about 140–150 days) and abundant sunshine support unique desert vegetation and make Dunhuang a hub for solar energy. Despite the harsh climate, the city’s clear skies, dramatic landscapes, and rich history attract visitors seeking both adventure and cultural discovery.
| Average climate data for Dunhuang, China | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Average maximum temperature (°C) | -3 | 3 | 12 | 20 | 25 | 29 | 32 | 31 | 25 | 17 | 7 | -1 | 32 |
| Average minimum temperature (°C) | -11 | -6 | 1 | 9 | 15 | 21 | 23 | 22 | 16 | 8 | -1 | -9 | -11 |
| Average precipitation (mm) | 1 | 1 | 1 | 2 | 6 | 7 | 6 | 3 | 0 | 0 | 1 | 1 | 29 |
| Average rainfall days (days) | 1 | 1 | 2 | 3 | 3 | 3 | 2 | 1 | 1 | 1 | 1 | 2 | 22 |
| Average snowfall (mm) | 7 | 8 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 7 | 35 |
| Average snowfall days (days) | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 7 |
| Average relative humidity (%) | 44 | 36 | 22 | 18 | 19 | 23 | 24 | 22 | 24 | 22 | 33 | 42 | 27 |
| Average wind speed (km/h) | 9 | 10 | 12 | 14 | 15 | 14 | 12 | 12 | 12 | 11 | 10 | 9 | 12 |
| Average daily daylight hours (h) | 9 | 10 | 12 | 13 | 14 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 12 |
| Average daily sunshine hours (h) | 7 | 6 | 8 | 11 | 11 | 11 | 11 | 12 | 10 | 8 | 7 | 7 | 9 |
| Average cloud coverage (%) | 23 | 22 | 20 | 18 | 17 | 16 | 11 | 12 | 12 | 14 | 19 | 23 | 17 |
| Average UV index | 2 | 2 | 4 | 5 | 6 | 7 | 7 | 6 | 5 | 3 | 2 | 2 | 4 |
The best time to visit Dunhuang is from May to June and September to October, when temperatures are comfortable, winds are less severe, and the desert scenery is at its most inviting. These periods are ideal for outdoor activities, sightseeing, and exploring the Mogao Caves and surrounding dunes.
The least favourable time to visit is during the peak of summer (July–August), when extreme heat can make outdoor activities uncomfortable, and in early spring (March–April), when strong winds and sandstorms are frequent. Winter is also harsh, with freezing temperatures and limited services.
Dunhuang has a temperate arid (cold desert) climate with hot, dry summers and long, freezing winters. The city receives very little rain, experiences large day-night temperature swings, and enjoys abundant sunshine all year.
May–June and September–October are the best times to visit Dunhuang, offering comfortable temperatures, fewer sandstorms, and ideal conditions for sightseeing and outdoor activities in the desert.
Summer temperatures in Dunhuang often reach 32–35°C, with daytime peaks occasionally above 40°C. Nights are much cooler, dropping to 15–20°C. Sun protection and hydration are essential during this season.
Dunhuang receives very little precipitation, averaging just 40–50 mm annually. Most rain falls in summer and early autumn. Snow is rare and usually light, occurring mainly in winter months.
Sandstorms are most common in spring, especially March and April, due to strong winds. Travellers should bring masks and goggles and check weather forecasts for sandstorm warnings before venturing outdoors.
Pack layers for large temperature swings, sun protection for hot days, and windproof clothing. In spring, bring a mask and sunglasses for sandstorms. In winter, thermal clothing and a warm jacket are essential.
Dunhuang can be visited in winter, but expect freezing temperatures, cold winds, and occasional light snow. Some attractions may have reduced hours, and warm clothing is necessary for comfort.
The warmest month, with the highest average maximum temperature, is July (32 °C). The month with the lowest average maximum temperature is January (-2.9 °C). Overall, the average maximum temperature over the whole year is 16.2 °C.
The month with the highest average minimum temperature is July (23.3 °C). The coldest month, with the lowest average minimum temperature, is January (-10.9 °C). Overall, the average minimum temperature over the whole year is 7.3 °C.
The wettest month, with the highest amount of precipitation, is June (6.9 mm). The driest months, with the least amount of precipitation, are September and October (0 mm). Over the whole year there are 28.7 mm of rainfall on average.
The month with the most days of rain is May (3.4 days). The month with the fewest days of rain is November (0.8 days). Over the whole year there are 22.3 days of rain on average.
The month with the most snowfall is November (9.1 mm). The months with the least snowfall are April, May, June, July, August, September and October (0 mm). Over the whole year there are 35.3 mm of snowfall on average.
The month with the most days of snowfall is December (2.1 days). The months with the fewest days of snowfall are May and October (0 days). Over the whole year there are 7.2 days of snowfall on average.
The month with the highest average relative humidity is January (44.2 %). The month with the lowest average relative humidity is April (17.5 %). The overall average relative humidity over the whole year is 27.4 %.
The windiest month, with the highest average wind speed, is May (14.9 km/h). The calmest month, with the lowest average wind speed, is January (9.1 km/h). The overall average wind speed over the whole year is 11.7 km/h.
The month with the cloudiest skies, so the highest cloud coverage, is December (23 %). The month with the clearest skies, so the lowest cloud coverage, is July (11.1 %). Over the whole year there is an average cloud coverage of 17.2 %.
The month with the longest days, so the most daylight, is June (Average daylight: 15 h). The month with the shortest days, so the least daylight, is December (Average daylight: 9 h). Over the whole year there are 11.9 h of daylight per day on average.
The month with the most sunshine per day is August (Average sunshine: 12.1 h). The month with the least sunshine per day is February (Average sunshine: 6 h). Over the whole year there are 9.1 h of sunlight per day on average.
The months with the highest average UV index are June and July (UV index: 7). The months with the lowest average UV index are January, February, November and December (UV index: 2). Over the whole year the average UV index is 4.2.
