Monthly Climate
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Best time to visit Yingkou

September is the best time to visit Yingkou for general sightseeing, with average highs of 23 °C and about 7 wet days. The sea stays above 20 °C from July 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 92/100
A beach holiday August sea 26 °C
The least cloud January 27 % average cloud cover
The least rain January 5 mm
Warmth July 28 °C
Cooler weather January -3.5 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days Beach
1 September 92 23 °C 7 80
2 May 91 20 °C 7 39
3 June 82 25 °C 10 67
4 October 79 16 °C 5 36
5 August 70 27 °C 11 83
6 April 68 14 °C 6 20
7 July 67 28 °C 11 82
8 November 39 6.6 °C 4 23
9 January 38 -3.5 °C 1 25
10 March 37 6.4 °C 3 25
11 December 37 -0.7 °C 2 25
12 February 37 0.5 °C 2 25

For a beach holiday

August scores highest, with a sea temperature of 26 °C and air temperatures around 27 °C. The sea is above 20 °C from July to September.

Month Sea Air Sunshine Beach score
January -0.4 °C -3.5 °C 27 % 25
February -0.4 °C 0.5 °C 32 % 25
March 1.2 °C 6.4 °C 38 % 25
April 6.8 °C 14 °C 45 % 20
May 13 °C 20 °C 49 % 39
June 19 °C 25 °C 57 % 67
July 24 °C 28 °C 60 % 82
August 26 °C 27 °C 54 % 83
September 22 °C 23 °C 42 % 80
October 16 °C 16 °C 34 % 36
November 10 °C 6.6 °C 34 % 23
December 3.9 °C -0.7 °C 30 % 25

When to think twice

February scores lowest with about 2 wet days and highs near 0.5 °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 -3.5 °C 5 mm 27 %
February 0.5 °C 9 mm 32 %
March 6.4 °C 17 mm 38 %
April 14.0 °C 39 mm 45 %
May 20.4 °C 60 mm 49 %
June 24.9 °C 86 mm 57 %
July 27.7 °C 148 mm 60 %
August 27.3 °C 167 mm 54 %
September 23.3 °C 58 mm 42 %
October 15.9 °C 38 mm 34 %
November 6.6 °C 26 mm 34 %
December -0.7 °C 10 mm 30 %

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.