Monthly Climate
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Best time to visit Cork

July is the best time to visit Cork for general sightseeing, with average highs of 19 °C and about 12 wet days. The comfortable season runs roughly June 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 July comfort 79/100
The least cloud April 70 % average cloud cover
The least rain March 65 mm
Warmth July 19 °C
Cooler weather January 8.7 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days
1 July 79 19 °C 12
2 August 79 18 °C 11
3 June 75 17 °C 11
4 September 74 17 °C 10
5 May 62 15 °C 13
6 October 58 14 °C 12
7 April 51 12 °C 12
8 November 45 11 °C 12
9 March 44 10 °C 11
10 February 38 8.9 °C 11
11 December 37 9.0 °C 13
12 January 35 8.7 °C 13

When to think twice

January scores lowest with about 13 wet days and highs near 8.7 °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 8.7 °C 82 mm 76 %
February 8.9 °C 67 mm 75 %
March 10.2 °C 65 mm 73 %
April 12.1 °C 72 mm 70 %
May 14.7 °C 69 mm 72 %
June 17.2 °C 66 mm 74 %
July 18.7 °C 70 mm 77 %
August 18.4 °C 72 mm 76 %
September 16.6 °C 66 mm 74 %
October 13.7 °C 88 mm 74 %
November 10.7 °C 85 mm 74 %
December 9.0 °C 88 mm 75 %

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.