Monthly Climate
Menu

Best time to visit Geoje

October is the best time to visit Geoje for general sightseeing, with average highs of 20 °C and about 5 wet days. The sea stays above 20 °C from June to October.

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
A beach holiday September sea 25 °C
The least cloud December 37 % average cloud cover
The least rain December 30 mm
Warmth August 27 °C
Cooler weather January 6.5 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days Beach
1 October 94 20 °C 5 70
2 May 83 18 °C 8 40
3 June 82 21 °C 10 59
4 September 81 24 °C 10 80
5 November 76 14 °C 5 41
6 April 72 15 °C 8 19
7 July 67 25 °C 14 73
8 August 62 27 °C 13 79
9 March 58 11 °C 7 16
10 December 52 8.6 °C 3 35
11 February 49 8.0 °C 5 22
12 January 43 6.5 °C 4 25

For a beach holiday

September scores highest, with a sea temperature of 25 °C and air temperatures around 24 °C. The sea is above 20 °C from June to October.

Month Sea Air Sunshine Beach score
January 15 °C 6.5 °C 43 % 25
February 14 °C 8.0 °C 47 % 22
March 14 °C 11 °C 53 % 16
April 15 °C 15 °C 55 % 19
May 17 °C 18 °C 59 % 40
June 20 °C 21 °C 70 % 59
July 23 °C 25 °C 71 % 73
August 26 °C 27 °C 61 % 79
September 25 °C 24 °C 58 % 80
October 22 °C 20 °C 43 % 70
November 19 °C 14 °C 40 % 41
December 17 °C 8.6 °C 37 % 35

When to think twice

January scores lowest with about 4 wet days and highs near 6.5 °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 6.5 °C 34 mm 43 %
February 8.0 °C 45 mm 47 %
March 11.1 °C 85 mm 53 %
April 14.8 °C 120 mm 55 %
May 18.3 °C 122 mm 59 %
June 21.5 °C 181 mm 70 %
July 25.0 °C 242 mm 71 %
August 26.9 °C 203 mm 61 %
September 24.1 °C 168 mm 58 %
October 19.7 °C 69 mm 43 %
November 14.3 °C 50 mm 40 %
December 8.6 °C 30 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.