According to the latest weather summary from Met Éireann, Dublin Airport experienced its wettest January since 1948, with all weather stations reporting above long-term average rainfall.
The percentage of such rainfall values ranged from 102% (monthly total of 98.1mm) at Gurteen in Co Tipperary to 192% (monthly total of 251.7mm) at Cork Airport — which reported its wettest January since 1988.
Stations which reported over 160% long-term average rainfall had their wettest January in 21 to 42 years. Dublin Airport reported its wettest January since 1948 with 118.4 mm (189% of long-term average rainfall), attributing nearly half this monthly total to heavy rainfall recorded on January 5 and January 9.
The wettest days of the month were January 1, 5, 9, and 26 with the most rainfall reported in 24 hours reported at Valentia Observatory, Co Kerry on the 26th with 37mm.
Shannon Airport in Co Clare reported its wettest January day in 11 years on January 26 with 23.4mm. The number of very wet days (days with 10mm or more) ranged from one at Shannon Airport and Gurteen to 10 at Valentia Observatory.
It was windy month also with one winter storm Gertrude hitting Irish shores. Monthly mean wind speeds ranged from 7.3 knots (13.5 km/h) at Fermoy to 18.3 knots (33.9km/h) at Malin Head in Co Donegal.
Cork Airport reported its windiest January since 1997 with a mean wind speed of 12.2 knots (22.6km/h).
Storm Gertrude at the end of the month brought storm force winds to the North with the month’s highest 10-minute mean and highest gust reported on January 29 at Malin Head in Donegal with 53 knots (98km/h) and 70 knots (130km/h). Elsewhere, severe gales were recorded on January 26, 29 and 30.
Around half of the stations around the country reported highest January temperatures in seven to 18 years, with Malin Head in Donegal reporting its highest January temperature since 1960 with 14.5C.
The month’s highest maximums were recorded on January 24 and 31 with the month’s highest temperature reported at Dublin Airport (January 24) — its highest January temperature since 1998 with 15.2C.
The lowest monthly sunshine totals were reported in the southwest. Monthly totals ranged from 29.5 hours at Valentia Observatory to 66.4 hours at Dublin Airport. The highest daily sunshine was seven hours at Dublin Airport on January 15.