Best time to visit Xinyuan

August is the best time to visit Xinyuan for general sightseeing, with average highs of 25 °C and about 9 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 August comfort 88/100
The least cloud October 41 % average cloud cover
The least rain January 18 mm
Warmth July 25 °C
Cooler weather January 0.9 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days
1 August 88 25 °C 9
2 September 88 21 °C 8
3 July 87 25 °C 9
4 June 86 23 °C 11
5 May 79 20 °C 12
6 October 63 15 °C 8
7 April 62 16 °C 11
8 March 44 9.6 °C 9
9 November 39 7.7 °C 8
10 January 39 0.9 °C 5
11 February 39 3.9 °C 5
12 December 37 2.2 °C 6

When to think twice

December scores lowest with about 6 wet days and highs near 2.2 °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 0.9 °C 18 mm 49 %
February 3.9 °C 21 mm 52 %
March 9.6 °C 38 mm 54 %
April 16.0 °C 73 mm 56 %
May 20.2 °C 81 mm 60 %
June 23.4 °C 79 mm 62 %
July 25.4 °C 68 mm 52 %
August 25.1 °C 53 mm 46 %
September 21.3 °C 43 mm 45 %
October 14.9 °C 42 mm 41 %
November 7.7 °C 39 mm 49 %
December 2.2 °C 22 mm 50 %

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.