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Climate and Weather



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Climate and Weather

Due to the influence of the warm Gulf Stream, Northern Ireland has a mild and temperate climate.

After rain comes sunshine Northern IrelandAfter rain comes sunshine Northern IrelandPhoto: Giuseppe Milo CC 3.0 Unported no changes made

The weather can be very changeable. Rain, fog and sun sometimes alternate at lightning speed. Most precipitation falls in the west, approx. 2030 mm; in the east and southeast, annual falls are between 760 and 1010 mm. Spring is normally the driest period, the summer and winter periods are the wettest. It hardly ever snows and when it snows it is never in large quantities.
There is relatively little temperature difference between the different seasons. The average day temperature from April to September is around 18 degrees.


-Coldest months of the year: usually January and February with an average temperature of 4 °C - 7 °C

-Hottest months of the year: July and August with an average temperature of 14° C - 16 °C

-Sunniest months of the year: May and June with an average of 5-7 hours of sunshine per day

-Average rainfall for the whole of Northern Ireland is between 800-1200 mm per year


Cahill, M. J. / Northern Ireland
Chelsea House Publishers

Day, C. / North of Ireland


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Last updated May 2024
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