Monthly Climate
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Best time to visit Zhangye

September is the best time to visit Zhangye for general sightseeing, with average highs of 22 °C and about 5 wet days. The comfortable season runs roughly May to September.

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 95/100
The least cloud November 28 % average cloud cover
The least rain February 2 mm
Warmth July 29 °C
Cooler weather January -0.3 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days
1 September 95 22 °C 5
2 May 91 23 °C 4
3 June 89 27 °C 4
4 August 89 27 °C 6
5 July 85 29 °C 6
6 April 76 18 °C 2
7 October 71 16 °C 2
8 March 51 10 °C 2
9 November 44 7.6 °C 1
10 January 40 -0.3 °C 1
11 December 40 1.0 °C 1
12 February 39 4.1 °C 1

When to think twice

February scores lowest with about 1 wet days and highs near 4.1 °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 -0.3 °C 2 mm 35 %
February 4.1 °C 2 mm 41 %
March 10.4 °C 5 mm 46 %
April 17.6 °C 8 mm 49 %
May 22.9 °C 15 mm 53 %
June 27.2 °C 22 mm 55 %
July 28.6 °C 40 mm 48 %
August 27.1 °C 36 mm 45 %
September 22.2 °C 23 mm 44 %
October 15.5 °C 8 mm 34 %
November 7.6 °C 3 mm 28 %
December 1.0 °C 3 mm 31 %

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.