Cork, Ireland: Annual Weather Averages

July is the hottest month in Cork with an average temperature of 15.5°C (60°F) and the coldest is January at 5°C (41°F) with the most daily sunshine hours at 6 in August. The wettest month is December with an average of 150mm of rain. The best month to swim in the sea is in August when the average sea temperature is 9°C (48°F).

Average Temperature: Cork

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 5 5 7 8 11 13 16 15 13 11 8 7
°F 41 41 44 46 51 55 60 59 55 51 46 44

Average High/Low Temperature: Cork

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
High °C 7 7 9 11 14 16 19 18 16 13 10 8
High °F 45 45 48 52 57 61 66 64 61 55 50 46
Low °C 3 3 4 5 7 10 12 12 10 8 6 5
Low °F 37 37 39 41 45 50 54 54 50 46 43 41

Average Rainfall: Cork

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 130 130 120 60 70 90 60 90 100 140 110 150
Days 25 22 23 21 19 20 22 21 20 24 24 24

Average Daily Sunshine Hours: Cork

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hours 1 2 3 2 4 4 5 6 3 2 1 1

Average Sea Temperature: Cork

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 3 3 2 3 4 6 8 9 8 7 5 4
°F 37 37 36 37 39 43 46 48 46 45 41 39

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