Monthly Climate
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Best time to visit Dunhuang

September is the best time to visit Dunhuang for general sightseeing, with average highs of 27 °C and about 1 wet days. The comfortable season runs roughly April to May.

It depends what you are going for

One month rarely wins on everything. These are the best months on each measure taken on its own.

If you want Best month On that measure
Sightseeing and walking September comfort 83/100
The least cloud October 28 % average cloud cover
The least rain January 1 mm
Warmth July 34 °C
Cooler weather January -1.5 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days
1 September 83 27 °C 1
2 April 81 22 °C 1
3 May 79 27 °C 1
4 October 78 18 °C 0
5 June 66 32 °C 2
6 August 65 33 °C 1
7 July 58 34 °C 2
8 March 55 14 °C 1
9 November 43 7.8 °C 0
10 January 39 -1.5 °C 0
11 December 39 -0.4 °C 0
12 February 37 5.1 °C 0

When to think twice

February scores lowest with about 0 wet days and highs near 5.1 °C. That does not make it a bad month — it depends entirely on what you are travelling for. The numbers are all here; the judgement is yours.

The full year

Month Avg high Rainfall Cloud
January -1.5 °C 1 mm 40 %
February 5.1 °C 1 mm 45 %
March 13.6 °C 2 mm 45 %
April 21.8 °C 3 mm 45 %
May 27.4 °C 5 mm 47 %
June 32.2 °C 8 mm 47 %
July 34.5 °C 7 mm 37 %
August 33.1 °C 5 mm 32 %
September 27.2 °C 3 mm 30 %
October 18.1 °C 1 mm 28 %
November 7.8 °C 1 mm 35 %
December -0.4 °C 1 mm 40 %

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: comfort score, beach score, season boundaries. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.