Monthly Climate
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Best time to visit Shanwei

December is the best time to visit Shanwei for general sightseeing, with average highs of 20 °C and about 4 wet days. The comfortable season runs roughly November to March. The sea stays above 20 °C from March to December.

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 December comfort 96/100
A beach holiday October sea 26 °C
The least cloud November 46 % average cloud cover
The least rain January 29 mm
Warmth August 30 °C
Cooler weather January 19 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days Beach
1 December 96 20 °C 4 68
2 November 93 25 °C 5 90
3 January 92 19 °C 5 59
4 February 90 20 °C 7 57
5 March 86 22 °C 11 62
6 October 79 27 °C 6 93
7 April 75 25 °C 14 70
8 May 55 27 °C 21 75
9 September 52 29 °C 18 71
10 June 48 29 °C 25 72
11 August 45 30 °C 24 69
12 July 45 30 °C 24 69

For a beach holiday

October scores highest, with a sea temperature of 26 °C and air temperatures around 27 °C. The sea is above 20 °C from March to December.

Month Sea Air Sunshine Beach score
January 20 °C 19 °C 51 % 59
February 20 °C 20 °C 66 % 57
March 21 °C 22 °C 72 % 62
April 23 °C 25 °C 76 % 70
May 26 °C 27 °C 79 % 75
June 28 °C 29 °C 86 % 72
July 29 °C 30 °C 77 % 69
August 29 °C 30 °C 76 % 69
September 28 °C 29 °C 63 % 71
October 26 °C 27 °C 48 % 93
November 23 °C 25 °C 46 % 90
December 21 °C 20 °C 46 % 68

When to think twice

July scores lowest with about 24 wet days and highs near 30 °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 19.0 °C 29 mm 51 %
February 19.8 °C 46 mm 66 %
March 22.2 °C 80 mm 72 %
April 24.9 °C 151 mm 76 %
May 27.2 °C 256 mm 79 %
June 28.6 °C 352 mm 86 %
July 29.5 °C 277 mm 77 %
August 29.6 °C 341 mm 76 %
September 29.1 °C 210 mm 63 %
October 27.4 °C 58 mm 48 %
November 24.5 °C 41 mm 46 %
December 20.4 °C 35 mm 46 %

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.