Monthly Climate
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Best time to visit Suncheon

October is the best time to visit Suncheon for general sightseeing, with average highs of 21 °C and about 5 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 94/100
The least cloud October 44 % average cloud cover
The least rain December 28 mm
Warmth August 29 °C
Cooler weather January 5.7 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days
1 October 94 21 °C 5
2 May 91 23 °C 8
3 April 83 18 °C 8
4 September 80 26 °C 10
5 June 78 26 °C 11
6 November 70 14 °C 5
7 March 61 13 °C 7
8 July 55 28 °C 18
9 August 54 29 °C 17
10 February 46 8.0 °C 5
11 December 45 7.8 °C 4
12 January 38 5.7 °C 4

When to think twice

January scores lowest with about 4 wet days and highs near 5.7 °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 5.7 °C 30 mm 53 %
February 8.0 °C 43 mm 53 %
March 12.7 °C 78 mm 55 %
April 18.3 °C 121 mm 57 %
May 23.0 °C 140 mm 61 %
June 26.0 °C 208 mm 74 %
July 28.5 °C 315 mm 77 %
August 29.2 °C 290 mm 68 %
September 25.8 °C 155 mm 61 %
October 20.8 °C 65 mm 44 %
November 14.2 °C 46 mm 45 %
December 7.8 °C 28 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.