Best time to visit Jiuquan

September is the best time to visit Jiuquan for general sightseeing, with average highs of 21 °C and about 3 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 96/100
The least cloud October 31 % average cloud cover
The least rain February 2 mm
Warmth July 28 °C
Cooler weather January -3.1 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days
1 September 96 21 °C 3
2 August 92 26 °C 4
3 May 92 22 °C 3
4 June 91 26 °C 3
5 July 87 28 °C 4
6 April 72 16 °C 2
7 October 68 14 °C 1
8 March 46 8.3 °C 2
9 January 40 -3.1 °C 1
10 December 40 -1.7 °C 1
11 November 40 5.3 °C 1
12 February 40 1.5 °C 1

When to think twice

February scores lowest with about 1 wet days and highs near 1.5 °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 -3.1 °C 3 mm 41 %
February 1.5 °C 2 mm 45 %
March 8.3 °C 7 mm 47 %
April 16.3 °C 7 mm 47 %
May 21.7 °C 13 mm 50 %
June 26.2 °C 15 mm 51 %
July 28.0 °C 20 mm 43 %
August 26.5 °C 21 mm 40 %
September 21.2 °C 15 mm 37 %
October 13.8 °C 5 mm 31 %
November 5.3 °C 5 mm 34 %
December -1.7 °C 3 mm 38 %

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.