Monthly Climate
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Best time to visit Sinp’o

September is the best time to visit Sinp’o for general sightseeing, with average highs of 21 °C and about 8 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 90/100
A beach holiday August sea 23 °C
The least cloud December 37 % average cloud cover
The least rain February 26 mm
Warmth August 25 °C
Cooler weather January -0.5 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days Beach
1 September 90 21 °C 8 66
2 June 90 21 °C 7 50
3 May 80 17 °C 7 26
4 July 79 24 °C 12 67
5 October 78 16 °C 7 37
6 August 76 25 °C 12 74
7 April 62 12 °C 5 20
8 November 46 8.4 °C 8 15
9 March 36 5.8 °C 6 19
10 December 36 1.9 °C 6 19
11 February 36 1.3 °C 5 20
12 January 35 -0.5 °C 6 19

For a beach holiday

August scores highest, with a sea temperature of 23 °C and air temperatures around 25 °C. The sea is above 20 °C from July to September.

Month Sea Air Sunshine Beach score
January 5.8 °C -0.5 °C 41 % 19
February 4.4 °C 1.3 °C 40 % 20
March 4.8 °C 5.8 °C 44 % 19
April 7.7 °C 12 °C 47 % 20
May 12 °C 17 °C 54 % 26
June 17 °C 21 °C 65 % 50
July 21 °C 24 °C 70 % 67
August 23 °C 25 °C 66 % 74
September 21 °C 21 °C 53 % 66
October 18 °C 16 °C 41 % 37
November 13 °C 8.4 °C 41 % 15
December 8.3 °C 1.9 °C 37 % 19

When to think twice

January scores lowest with about 6 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 -0.5 °C 29 mm 41 %
February 1.3 °C 26 mm 40 %
March 5.8 °C 29 mm 44 %
April 11.9 °C 46 mm 47 %
May 16.9 °C 73 mm 54 %
June 20.6 °C 74 mm 65 %
July 24.0 °C 173 mm 70 %
August 24.8 °C 185 mm 66 %
September 21.2 °C 98 mm 53 %
October 15.9 °C 50 mm 41 %
November 8.4 °C 55 mm 41 %
December 1.9 °C 34 mm 37 %

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.