| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | -0.5° | -14.7° | 0.9mm | 0.8 | 28 |
| February | 6.5° | -9.2° | 0.5mm | 0.4 | 41 |
| March | 14.6° | -1.6° | 2.2mm | 1.1 | 75 |
| April | 22.2° | 5.2° | 3.6mm | 1 | 98 |
| May | 28.1° | 11° | 6.5mm | 1.7 | 92 |
| June | 32.3° | 15.5° | 6.6mm | 2.1 | 75 |
| July | 33.8° | 18.1° | 10.2mm | 2.9 | 67 |
| August | 32.4° | 15.7° | 4.2mm | 1.7 | 75 |
| September | 27.5° | 9.9° | 3.5mm | 1.5 | 95 |
| October | 19.7° | 1.5° | 1.1mm | 0.5 | 97 |
| November | 9.5° | -5.2° | 1.2mm | 0.9 | 54 |
| December | 0.6° | -12.5° | 1.2mm | 1.1 | 28 |
January in Dunhuang averages a daily high of -0.5°C with nights around -14.7°C. Rain is rare — about 0.8 wet days and 0.9mm across the month. A hard month to visit for comfort alone.
February in Dunhuang averages a daily high of 6.5°C with nights around -9.2°C. Rain is rare — about 0.4 wet days and 0.5mm across the month. Demanding conditions — pack for it and plan indoor options.
March in Dunhuang averages a daily high of 14.6°C with nights around -1.6°C. Rain is rare — about 1.1 wet days and 2.2mm across the month. Comfortable conditions for being outdoors all day.
April in Dunhuang averages a daily high of 22.2°C with nights around 5.2°C. Rain is rare — about 1 wet days and 3.6mm across the month. Comfortable conditions for being outdoors all day.
May in Dunhuang averages a daily high of 28.1°C with nights around 11°C. Rain is rare — about 1.7 wet days and 6.5mm across the month. Comfortable conditions for being outdoors all day.
June in Dunhuang averages a daily high of 32.3°C with nights around 15.5°C. Rain is rare — about 2.1 wet days and 6.6mm across the month. Comfortable conditions for being outdoors all day.
July in Dunhuang averages a daily high of 33.8°C with nights around 18.1°C. Rain is rare — about 2.9 wet days and 10.2mm across the month. Generally workable, with some weather to plan around.
August in Dunhuang averages a daily high of 32.4°C with nights around 15.7°C. Rain is rare — about 1.7 wet days and 4.2mm across the month. Comfortable conditions for being outdoors all day.
September in Dunhuang averages a daily high of 27.5°C with nights around 9.9°C. Rain is rare — about 1.5 wet days and 3.5mm across the month. Comfortable conditions for being outdoors all day.
October in Dunhuang averages a daily high of 19.7°C with nights around 1.5°C. Rain is rare — about 0.5 wet days and 1.1mm across the month. Comfortable conditions for being outdoors all day.
November in Dunhuang averages a daily high of 9.5°C with nights around -5.2°C. Rain is rare — about 0.9 wet days and 1.2mm across the month. Demanding conditions — pack for it and plan indoor options.
December in Dunhuang averages a daily high of 0.6°C with nights around -12.5°C. Rain is rare — about 1.1 wet days and 1.2mm across the month. A hard month to visit for comfort alone.
Each month scores out of 100. It starts at 100 and loses points for daytime highs outside a 20–27°C band, for wet days, and for nights below 2°C. Nothing else is weighted in — no crowd data, no prices, no opinion. Dunhuang peaks at 98.
Based on 30 years of records, April–May scores highest for comfort in Dunhuang, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 33.8°C.
July is the wettest, averaging 10.2mm of rain across roughly 2.9 wet days.
January is the coolest month, with average daily highs around -0.5°C.