May Drier and Sunnier than Usual

Armagh Observatory reports that the weather in May was much drier and slightly sunnier than average.

Precipitation amounted to 41.8 mm (1.65 inches), that is, about 30% less than the monthly average.

The number of hours of sunshine was 195.5, that is, about 13% higher than the average for May.

The mean monthly temperature was 11.0 degrees Celsius (51.7 degrees Fahrenheit), which is about normal for May. The maximum temperature recorded was 24.7 degrees C on 23rd. There were 13 nights with grass frost and no nights with air frost.

These data refer to observations at Armagh Observatory, which has been recording the weather at Armagh since 1795.

FOR FURTHER INFORMATION PLEASE CONTACT: John McFarland at the Armagh Observatory, College Hill, Armagh, BT61 9DG. Tel.: 028-3752-2928; FAX: 028-3752-7174; jmfat; URL:

Last Revised: 2010 June 2nd