Monthly Climate
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Best time to visit Tianshui

May is the best time to visit Tianshui for general sightseeing, with average highs of 23 °C and about 10 wet days. The comfortable season runs roughly April to June.

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 May comfort 90/100
The least cloud December 53 % average cloud cover
The least rain December 9 mm
Warmth July 28 °C
Cooler weather January 3.4 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days
1 May 90 23 °C 10
2 September 85 22 °C 13
3 June 84 26 °C 10
4 April 82 19 °C 8
5 August 77 27 °C 12
6 July 74 28 °C 12
7 October 69 16 °C 12
8 March 58 13 °C 8
9 November 53 10 °C 6
10 February 40 6.7 °C 4
11 January 38 3.4 °C 4
12 December 38 4.9 °C 3

When to think twice

December scores lowest with about 3 wet days and highs near 4.9 °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 3.4 °C 11 mm 59 %
February 6.7 °C 16 mm 68 %
March 12.6 °C 33 mm 69 %
April 18.5 °C 49 mm 67 %
May 22.5 °C 78 mm 71 %
June 26.2 °C 93 mm 67 %
July 28.0 °C 124 mm 63 %
August 27.0 °C 127 mm 61 %
September 21.9 °C 118 mm 71 %
October 16.4 °C 73 mm 72 %
November 10.5 °C 26 mm 61 %
December 4.9 °C 9 mm 53 %

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.