Monthly Climate
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Best time to visit Heshan

October is the best time to visit Heshan for general sightseeing, with average highs of 23 °C and about 9 wet days.

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 October comfort 91/100
The least cloud December 55 % average cloud cover
The least rain December 51 mm
Warmth July 32 °C
Cooler weather January 8.9 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days
1 October 91 23 °C 9
2 April 80 22 °C 16
3 November 76 17 °C 9
4 September 74 28 °C 10
5 May 73 26 °C 15
6 March 63 16 °C 16
7 June 56 29 °C 17
8 December 55 11 °C 8
9 February 50 12 °C 12
10 August 50 31 °C 15
11 July 47 32 °C 15
12 January 41 8.9 °C 11

When to think twice

January scores lowest with about 11 wet days and highs near 8.9 °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 8.9 °C 76 mm 65 %
February 11.5 °C 90 mm 70 %
March 15.9 °C 150 mm 73 %
April 21.8 °C 181 mm 72 %
May 26.1 °C 228 mm 71 %
June 29.0 °C 296 mm 76 %
July 32.0 °C 214 mm 72 %
August 31.5 °C 154 mm 65 %
September 27.6 °C 90 mm 59 %
October 22.6 °C 74 mm 57 %
November 16.9 °C 76 mm 56 %
December 11.3 °C 51 mm 55 %

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.