Last Updated: 10th Oct, 2019
I Ireland's climate is influenced by the relatively warm waters of the Gulf Stream and by the prevailing southwestern winds from the Atlantic. This combination results in an equable climate with temperatures fairly uniform across the whole country.
Coldest months: January and February with mean daily air temperatures of 4 to 7 degrees Celsius.
Warmest months: July and August with mean temperatures of 14 16 degrees Celsius.
Sunniest months: May and June, averaging five to seven hours of sunshine per day.
Average annual rainfall:
800-1200mm (31 to 47 inches) in low lying areas
750mm (30 inches) in some Eastern areas
1500mm (59) inches in parts of the west
2000 mm (79 inches) or more In mountainous areas