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Weather Extreme Records for Ireland

Last updated Wednesday 2nd December 2020

Note: For each element, the annual extreme record is shaded.

Temperatures (°C)

  • Highest air temperature recorded in the 20th Century: 32.5°C at Boora, Co. Offaly on 29th June 1976
  • Lowest air temperature recorded in the 20th century: -18.8°C at Lullymore, Co. Kildare on 2nd January 1979
  • Lowest grass minimum temperature: -19.6°C at Glasnevin, Dublin on 12th January 1982
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
Highest Shaded Air 18.5°C
Dublin (Glasnevin)
10th 1998
18.1°C
Dublin (Phoenix Park)
23rd 1891
23.6°C
Dublin (Trinity College)
28th 1965
25.8°C
Donegal (Glenties)
26th 1984
28.4°C
Kerry (Ardfert Liscahane)
31st 1997
33.3°C
Kilkenny
Kilkenny Castle)
26th 1887
32.3°C
Roscommon (Elphin)
19th 2006
31.5°C
Carlow (Oak Park)
2nd 1995
29.1°C
Kildare
(Clongowes
Wood College)
1st 1906
25.2°C
Kildare (Clongowes Wood College)
3rd 1908
20.1°C
Kerry (Dooks)
1st 2015
18.1°C
Dublin (Peamount)
2nd 1948
Lowest Shaded Air -19.1°C
Sligo (Markree)
16th 1881
-17.8°C
Longford (Mostrim)
7th 1895
-17.2°C
Sligo (Markree)
3rd 1947
-7.7°C
Sligo (Markree)
15th 1892
-5.6°C
Donegal (Glenties)
4th 1979
-3.3°C
Offaly (Clonsast)
1st 1962
-0.3°C
Longford (Mostrim)
8th 1889
-2.7°C
Wicklow (Rathdrum)
30th 1964
-3.5°C
Offaly (Clonsast)
8th 1972
-8.3°C
Sligo (Markree)
31st 1926
-11.5°C
Wexford (Clonroche)
29th 2010
-17.5°C
Mayo (Straide)
25th 2010

 

Rainfall Totals (mm) since 1942

  • Highest annual total: 3964.9mm at Ballaghbeama Gap, Co Kerry in 1960
  • Highest hourly total: 52.2mm at Clonroche, Co. Wexford on 27th June 1986
  • Lowest annual total: 356.6mm at Glasnevin, Co Dublin in 1887
  • Longest absolute drought: 3rd April to 10th May 1938 in Limerick
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
Highest Monthly 711.2 mm
Kerry (Ballagh-beame Gap)
1990
780.0 mm
Kerry (Mt Cummeragh)
1995
685.8 mm
Kerry (Mt Ballagh-beama)
1989
445.5 mm
Kerry (Glenvickee)
1966
605.0 mm
Wicklow (M.Lough Dan)
1993
469.0 mm
Kerry (Mt Cummeragh)
2012
577.9 mm
Kerry (Ballagh-beama Gap)
1950
615.0 mm
Donegal (Mt Lough Eske)
1985
650.0 mm
Kerry (Beenreagh Mtn)
1999
790.0 mm
Kerry (Mt Cummeragh)
1996
650.0 mm
Kerry (Ballagh-beama Gap)
2000
943.5 mm
Cork (Gernapeka)
2015
Lowest Monthly 7.5 mm
Dublin (Lusk)
1950
0.0 mm
Galway (Inverin GS)
1965
0.1 mm
Carlow (Leighlin-bridge GS)
1961
1.3 mm
Laois (Abbeyleix)
1942
3.0 mm
Louth (Ardee)
1980
0.8 mm
Dublin (Lambay Island)
1942
0.7 mm
Cork (Glanmire)
1955
0.4 mm
Wexford (Bunclody)
1995
0.0 mm
Dublin (Dun Laoghaire)
1986
2.5 mm
Kildare (Naas)
1969
3.5 mm
Offaly (Eden-derry)
1942
8.4 mm
Wicklow (Mt Rathdrum)
1967
Highest Daily 115.3 mm
Kerry (Lauragh GS)
27th 1954
146.5 mm
Dublin (Ballyed-monduff)
3rd 1994
132.1 mm
Kerry (Waterville)
15th 1956
105.6 mm
Kerry (Cloone Lake)
20th 1999
104.6 mm
Kerry (Gap of Dunloe)
4th 1985
111.0 mm
Leitrim (Aughna-sheelan)
28th 1986
112.9 mm
Cork (Macroom)
23rd 2005
206.5 mm
Kerry (Glenvic-kee)
5th 1986
243.5 mm
Kerry (Cloone Lake)
18th 1993
201.2 mm
Kerry (Waterville)
3rd 2016
167.1 mm
Kerry (Killarney)
9th 1941
160.8 mm
Mayo (Kennagh Beg)
4th 2015

 

Wind Speeds (km/h) since 1942

JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
Highest Sustained
(10-min Mean)
131 km/h
(Hurricane Force)
Limerick (Foynes Airport)
18th 1945
120 km/h
(Hurricane Force)
Galway (Mace Head)
12th 2014
124 km/h
(Hurricane Force)
Donegal (Malin Head)
2nd 1982
109 km/h
(Violent Storm)
Clare (Shannon Airport)
23rd 1947
102 km/h
(Storm Force)
Donegal (Malin Head)
23rd 2011
96 km/h
(Storm Force)
Donegal (Malin Head)
24th 1962
102 km/h
(Storm Force)
Donegal (Malin Head)
25th 1988
111 km/h
(Violent Storm)
Cork (Roches Point)
19th 2020
Ellen
122 km/h
(Hurricane Force)
Donegal (Malin Head)
16th 1961 Debbie
115 km/h
(Violent Storm)
Cork (Roches Point)
16th 2017 Ophelia
117 km/h
(Violent Storm)
Limerick (Foynes Airport)
12th 1940
126 km/h
(Hurricane Force)
Cork (Roches Point)
24th 1997
Highest Gust
(3-sec)
182 km/h
Limerick (Foynes Airport)
18th 1945
172 km/h
Mayo (Belmullet)
9th 1988
167 km/h
Donegal (Malin Head)
20th 1986
165 km/h
Clare (Shannon Airport)
23rd 1947
144 km/h
Mayo (Belmullet)
23rd 2011
137 km/h
Donegal (Malin Head)
24th 1962
137 km/h
Donegal (Malin Head)
25th 1988
143 km/h
Cork (Roches Point)
19th 2020
Ellen
181 km/h
Donegal (Malin Head)
16th 1961 Debbie
178 km/h
Wexford (Rosslare)
24th 1995
170 km/h
Donegal (Malin Head)
6th 1996
178 km/h
Donegal (Malin Head)
26th 1998

 

Mean Sea Level Pressure (hPa)

JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
Highest MSLP 1051.9 hPa
Kerry (Valentia)
28th 1905
1049.1 hPa
Westmeath (Mullingar)
7th 1964
1051.2 hPa
Donegal (Malin Head)
29th 2020
1043.4 hPa
Clare (Shannon Airport)
26th 1948
1042.4 hPa
Cork (Cork Airport)
12th 2012
1043.1 hPa
Monaghan (Clones)
14th 1959
1037.9 hPa
Donegal (Malin Head)
1st 1933
1036.0 hPa
Kerry (Valentia)
17th 1940
1041.3 hPa
Donegal (Malin Head)
11th 2009
– and –
Cork (Cork Airport / Sherkin Island)
24th 2018
1043.8 hPa
Cork (Sherkin Island)
22nd 2018
1046.0 hPa
Mayo (Knock Airport)
10th 1999
1049.5 hPa
Donegal (Malin Head)
24th 1926
Lowest MSLP 936.6 hPa
Sligo (Markree)
26th 1884
942.3 hPa
Cork (Midleton)
4th 1951
950.0 hPa
Galway (Mace Head)
10th 2008
952.9 hPa
Donegal (Malin Head)
1st 1948
970.3 hPa
Mayo (Belmullet)
10th 1983
975.3 hPa
Dublin (Phoenix Park)
8th 1843
978.0 hPa
Mayo (Belmullet)
25th 1988
966.4 hPa
Galway (Athenry)
20th 2020 Ellen
957.3 hPa
Mayo (Claremorris)
21st 1953
957.5 hPa
Kerry (Valentia)
28th 2004
931.2 hPa
Limerick
28th 1838
942.8 hPa
Cork (Cork Airport)
17th 1989

 

Sunshine Duration (hours) since 1942

JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
Highest Monthly Total 118.4 hrs
Cork (Cork Airport)
2010
133.4 hrs
Dublin (Kinsealy)
2004
221.3 hrs
Kerry (Valentia)
1955
247.7 hrs
Cork (Sherkin Island)
2010
289.6 hrs
Mayo (Belmullet)
1975
301.0 hrs
Wexford (Rosslare)
1959
308.2
Kerry (Valentia)
1955
283.9 hrs
Wexford (Rosslare)
1995
219.5 hrs
Wexford (Rosslare)
1959
150.0 hrs
Kilkenny (Kilkenny)
2003
116.1 hrs
Cork (Cork Airport)
2016
104.4 hrs
Westmeath (Mullingar)
2001
Lowest Monthly Total 8.8 hrs
Wexford (Clonroche)
1996
18.6 hrs
Cork (Fermoy)
1985
38.2 hrs
Donegal (Glenties)
1983
60.1 hrs
Mayo (Knock Airport)
2017
80.9 hrs
Donegal (Glenties) / Mayo (Newport)
1970
63.9 hrs
Mayo (Glenamoy)
1984
54.7 hrs
Mayo (Newport)
1998
54.5 hrs
Mayo (Newport)
1990
47.8 hrs
Mayo (Belmullet)
1956
39.2 hrs
Mayo (Maam Valley)
1989
13.3 hrs
Offaly (Clones)
1983
2.8 hrs
Cork (Sherkin Island)
2015

 

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