Dublin climate — normals and trends

Q: What is the climate of Dublin?

Dublin has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 9.5 °C and it receives 829 mm of precipitation per year.

Q: What is the hottest day ever recorded in Dublin?

The hottest day measured in Dublin between 1940 and 2025 was 18 July 2022, reaching 27.4 °C.

Q: What is the coldest day in Dublin?

The coldest day measured in Dublin between 1940 and 2025 was 24 February 1947, at -10.0 °C.

Q: Does it snow in Dublin?

Yes. Dublin gets on average 17.4 cm of snow per year and has around 17 frost days.

Q: Has the climate of Dublin warmed?

Yes: Dublin warmed by +0.8 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Dublin?

The wettest day measured in Dublin between 1940 and 2025 was 29 June 1986, with 76 mm of rain in 24 hours.

Q: What was the windiest day in Dublin?

The windiest day measured in Dublin between 1940 and 2025 was 24 December 1997, with winds reaching 69.4 km/h.

Q: What is the warmest month in Dublin?

The warmest month in Dublin is July (15.0 °C on average); the coldest is January (4.8 °C).

Q: How much does it rain in Dublin?

Dublin receives on average 829 mm of precipitation per year, spread over about 159 rainy days.

Q: Is it sunny in Dublin?

Dublin gets on average 7.8 hours of sunshine per day, roughly 2,847 hours per year over 1940-2025.

Dublin (Ireland) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.5 °C and it receives 829 mm of precipitation per year.

These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.

The warmest month is July (15.0 °C on average) and the coldest is January (4.8 °C). Rainfall peaks in August.

Dublin averages 17 frost days, 0 hot days (≥ 30 °C) and 159 rainy days per year.

Dublin has warmed by +0.8 °C between 1940 and 2025, or +0.09 °C per decade. This trend is statistically significant.

The number of frost days there went from about 25 to 9 per year over the period.

The hottest day of the period reached 27.4 °C (on 18 July 2022) and the coldest -10.0 °C (on 24 February 1947).

Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.

Climate normals · ERA5

DublinLeinster

coords: 53.33°, -6.25°
period: 1940–2025 · 86 yrs

CfbTemperate oceanicWarmest monthJulyColdest monthJanuaryWettest monthAugustDriest monthFebruary

Mean daily temperature

9.5°C

Average daily high

12.1°C

Average daily low

7.0°C

Annual rainfall

829mm

Sunshine / day

7.8h

Mean relative humidity

83%

Average peak wind

22.5km/h

Seasonal range

10.2°C

Frost days (< 0 °C)

17 d/yr

Hot days (≥ 30 °C)

0 d/yr

Rainy days (≥ 1 mm)

159 d/yr

Annual snowfall

17.4 cm

Average feels-like high

9.2 °C

Average feels-like low

3.7 °C

Average peak gust

46.4 km/h

Tropical nights (≥ 20 °C)

0 d/yr

Solar radiation

10.4 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+0.8 °C

since 1940

+0.1 °C per decade · r² = 0.20 · p = < 0.001

19402025

Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).

A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.

Records for the period

Hottest day

27.4 °C

18 July 2022

Coldest day

-10.0 °C

24 February 1947

Wettest day

76 mm

29 June 1986

Windiest day

69.4 km/h

24 December 1997

Strongest gust

144.7 km/h

24 December 1997

Hottest feels-like

30.0 °C

13 July 1983

Coldest feels-like

-15.4 °C

24 February 1947

Snowiest day

28.8 cm

8 December 1954

Sunniest day

16.7 h

20 June 2025

Year	Hottest day	Coldest day	Annual mean	Rainfall	Frost days
2025	25.7 °C12 July 2025	-3.4 °C8 January 2025	10.6 °C	953 mm	10
2024	21.9 °C24 June 2024	-3.0 °C18 January 2024	10.3 °C	897 mm	9
2023	24.6 °C8 September 2023	-2.9 °C17 January 2023	10.7 °C	1,096 mm	9
2022	27.4 °C18 July 2022	-3.4 °C15 December 2022	10.4 °C	844 mm	13
2021	24.9 °C17 July 2021	-3.5 °C9 January 2021	10.0 °C	855 mm	14
2020	22.5 °C25 June 2020	-1.3 °C19 January 2020	9.9 °C	939 mm	5
2019	22.8 °C22 July 2019	-1.6 °C31 January 2019	9.9 °C	948 mm	7
2018	24.0 °C27 June 2018	-4.7 °C1 March 2018	10.0 °C	775 mm	14
2017	23.9 °C21 June 2017	-2.4 °C11 December 2017	10.1 °C	849 mm	7
2016	25.1 °C19 July 2016	-1.9 °C24 February 2016	9.8 °C	795 mm	9
2015	21.5 °C1 July 2015	-2.1 °C19 January 2015	9.6 °C	863 mm	10
2014	23.2 °C25 July 2014	-1.6 °C29 December 2014	10.2 °C	966 mm	2
2013	24.3 °C12 July 2013	-2.4 °C6 April 2013	9.5 °C	782 mm	11
2012	21.1 °C27 June 2012	-1.7 °C2 February 2012	9.5 °C	987 mm	8
2011	20.4 °C28 September 2011	-2.3 °C21 January 2011	10.0 °C	743 mm	14
2010	22.5 °C23 May 2010	-8.8 °C8 January 2010	8.6 °C	845 mm	53
2009	22.6 °C2 June 2009	-5.3 °C8 February 2009	9.6 °C	1,011 mm	25
2008	21.7 °C28 July 2008	-2.0 °C29 November 2008	9.5 °C	952 mm	14
2007	21.3 °C3 August 2007	-2.5 °C6 February 2007	10.2 °C	819 mm	4
2006	24.9 °C18 July 2006	-3.3 °C3 March 2006	10.2 °C	856 mm	11
2005	23.0 °C11 July 2005	-1.6 °C6 March 2005	10.0 °C	717 mm	7
2004	22.8 °C14 June 2004	-2.7 °C29 January 2004	9.9 °C	777 mm	12
2003	24.1 °C5 August 2003	-1.6 °C11 January 2003	10.0 °C	705 mm	12
2002	20.9 °C5 August 2002	-1.7 °C1 January 2002	10.1 °C	1,001 mm	1
2001	23.5 °C28 July 2001	-7.3 °C1 March 2001	9.5 °C	750 mm	19
2000	23.2 °C18 June 2000	-3.7 °C29 December 2000	9.6 °C	961 mm	11
1999	23.9 °C9 July 1999	-2.9 °C11 January 1999	9.9 °C	794 mm	11
1998	21.7 °C10 August 1998	-2.2 °C20 January 1998	10.0 °C	960 mm	10
1997	22.9 °C22 July 1997	-2.6 °C2 January 1997	10.2 °C	804 mm	8
1996	22.3 °C19 July 1996	-2.1 °C25 February 1996	9.1 °C	879 mm	20
1995	25.4 °C21 August 1995	-4.4 °C27 December 1995	10.1 °C	765 mm	13
1994	20.6 °C23 July 1994	-1.6 °C6 January 1994	9.5 °C	872 mm	6
1993	20.8 °C28 June 1993	-1.5 °C21 December 1993	9.2 °C	980 mm	8
1992	22.3 °C13 June 1992	-2.6 °C19 December 1992	9.4 °C	727 mm	9
1991	23.2 °C29 August 1991	-3.9 °C11 February 1991	9.3 °C	705 mm	23
1990	26.5 °C2 August 1990	-1.4 °C4 April 1990	9.9 °C	733 mm	5
1989	25.1 °C19 July 1989	-2.1 °C25 February 1989	10.1 °C	714 mm	7
1988	21.4 °C23 June 1988	-0.5 °C22 November 1988	9.5 °C	845 mm	6
1987	23.9 °C16 August 1987	-5.1 °C12 January 1987	9.1 °C	828 mm	23
1986	22.8 °C14 July 1986	-3.8 °C22 February 1986	8.5 °C	964 mm	25
1985	22.7 °C4 July 1985	-3.8 °C29 December 1985	8.8 °C	851 mm	36
1984	23.4 °C21 August 1984	-2.5 °C20 January 1984	9.4 °C	769 mm	11
1983	26.3 °C13 July 1983	-1.3 °C11 February 1983	9.7 °C	832 mm	10
1982	20.7 °C3 August 1982	-5.9 °C11 January 1982	9.5 °C	829 mm	11
1981	21.9 °C25 August 1981	-4.7 °C12 December 1981	9.2 °C	943 mm	15
1980	20.7 °C20 August 1980	-4.5 °C2 January 1980	9.2 °C	997 mm	12
1979	22.5 °C28 July 1979	-9.0 °C1 January 1979	8.6 °C	964 mm	37
1978	22.1 °C31 May 1978	-3.8 °C31 December 1978	9.4 °C	881 mm	21
1977	21.5 °C7 July 1977	-3.3 °C17 January 1977	9.3 °C	916 mm	18
1976	25.7 °C2 July 1976	-2.3 °C4 December 1976	9.5 °C	777 mm	21
1975	26.3 °C3 August 1975	-1.4 °C28 March 1975	9.7 °C	648 mm	8
1974	21.6 °C21 June 1974	-1.1 °C3 March 1974	9.1 °C	858 mm	8
1973	24.0 °C15 August 1973	-2.2 °C18 January 1973	9.5 °C	787 mm	21
1972	20.7 °C17 July 1972	-4.5 °C31 January 1972	8.9 °C	890 mm	13
1971	22.3 °C8 July 1971	-2.6 °C30 January 1971	9.8 °C	757 mm	15
1970	22.7 °C10 June 1970	-3.9 °C7 January 1970	9.3 °C	871 mm	29
1969	23.7 °C14 July 1969	-5.9 °C17 February 1969	9.0 °C	688 mm	33
1968	21.6 °C22 August 1968	-2.6 °C6 February 1968	9.3 °C	868 mm	25
1967	21.6 °C10 July 1967	-3.1 °C9 December 1967	9.1 °C	761 mm	18
1966	20.6 °C21 July 1966	-2.4 °C17 January 1966	9.0 °C	910 mm	12
1965	19.6 °C28 June 1965	-5.0 °C29 January 1965	8.5 °C	859 mm	39
1964	22.1 °C24 July 1964	-5.4 °C28 December 1964	9.2 °C	677 mm	16
1963	22.1 °C30 July 1963	-9.3 °C4 February 1963	8.2 °C	771 mm	53
1962	20.5 °C8 June 1962	-8.8 °C3 March 1962	8.4 °C	617 mm	30
1961	23.6 °C1 September 1961	-7.4 °C31 December 1961	9.7 °C	718 mm	17
1960	24.6 °C17 June 1960	-3.6 °C19 February 1960	9.4 °C	942 mm	26
1959	23.7 °C24 August 1959	-3.9 °C16 January 1959	10.2 °C	690 mm	16
1958	22.1 °C8 July 1958	-6.0 °C22 January 1958	9.4 °C	920 mm	25
1957	23.1 °C28 June 1957	-2.4 °C18 February 1957	9.9 °C	773 mm	11
1956	21.8 °C24 July 1956	-6.5 °C26 February 1956	9.1 °C	775 mm	31
1955	26.0 °C24 August 1955	-8.3 °C19 January 1955	9.5 °C	654 mm	36
1954	21.9 °C31 August 1954	-2.1 °C1 February 1954	9.2 °C	987 mm	19
1953	21.6 °C8 August 1953	-2.1 °C7 February 1953	9.9 °C	651 mm	14
1952	23.4 °C25 July 1952	-5.5 °C27 January 1952	9.2 °C	737 mm	23
1951	21.9 °C16 July 1951	-3.7 °C3 February 1951	8.9 °C	931 mm	24
1950	24.0 °C6 June 1950	-5.2 °C15 December 1950	9.2 °C	839 mm	27
1949	24.4 °C26 June 1949	-2.0 °C11 March 1949	10.4 °C	754 mm	10
1948	24.9 °C29 July 1948	-1.5 °C22 January 1948	9.8 °C	882 mm	10
1947	23.9 °C16 August 1947	-10.0 °C24 February 1947	9.2 °C	616 mm	46
1946	22.2 °C1 July 1946	-2.4 °C28 February 1946	9.4 °C	785 mm	25
1945	23.4 °C3 August 1945	-7.3 °C25 January 1945	10.2 °C	796 mm	18
1944	22.8 °C10 August 1944	-7.0 °C29 February 1944	9.6 °C	844 mm	11
1943	21.4 °C30 July 1943	-1.9 °C26 November 1943	9.6 °C	679 mm	10
1942	22.7 °C5 June 1942	-2.4 °C12 January 1942	9.0 °C	773 mm	20
1941	25.5 °C2 July 1941	-3.4 °C17 January 1941	9.2 °C	792 mm	32
1940	24.0 °C3 August 1940	-8.7 °C20 January 1940	9.2 °C	728 mm	29

Normals computed over complete calendar years 1940–2025.

A specific year

Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?

Year

Across the whole year

Average daily high

13.2 °C

+1.1 °C

Hot days (≥ 30 °C)

0 d/yr

Frost days (< 0 °C)

10 d/yr

-7

Annual rainfall

953 mm

+124 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	6.8 °C	-0.1 °C	79 mm	+8 mm
Feb	8.2 °C	+1.0 °C	65 mm	+7 mm
Mar	10.7 °C	+1.9 °C	15 mm	-46 mm
Apr	13.3 °C	+2.4 °C	99 mm	+37 mm
May	15.3 °C	+1.8 °C	52 mm	-18 mm
Jun	17.8 °C	+1.4 °C	94 mm	+26 mm
Jul	19.3 °C	+1.4 °C	98 mm	+26 mm
Aug	19.0 °C	+1.3 °C	34 mm	-42 mm
Sep	15.7 °C	-0.1 °C	113 mm	+43 mm
Oct	13.0 °C	+0.2 °C	94 mm	+18 mm
Nov	10.4 °C	+1.0 °C	130 mm	+58 mm
Dec	8.9 °C	+1.2 °C	82 mm	+7 mm

The year's extremes

Hottest day

25.7 °C

12 Jul 2025

Coldest day

-3.4 °C

8 Jan 2025

Wettest day

34.9 mm

21 Jul 2025

Windiest day

51.1 km/h

24 Jan 2025

Strongest gust

115.9 km/h

24 Jan 2025

Hottest feels-like

27.8 °C

12 Jul 2025

Coldest feels-like

-8.0 °C

9 Jan 2025

Snowiest day

9.0 cm

5 Jan 2025

Sunniest day

16.7 h

20 Jun 2025

What was the weather like that day?

Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.

Date

Frequently asked questions

What is the climate of Dublin?

Dublin has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 9.5 °C and it receives 829 mm of precipitation per year.

What is the hottest day ever recorded in Dublin?

The hottest day measured in Dublin between 1940 and 2025 was 18 July 2022, reaching 27.4 °C.

What is the coldest day in Dublin?

The coldest day measured in Dublin between 1940 and 2025 was 24 February 1947, at -10.0 °C.

Does it snow in Dublin?

Yes. Dublin gets on average 17.4 cm of snow per year and has around 17 frost days.

Has the climate of Dublin warmed?

Yes: Dublin warmed by +0.8 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Dublin?

The wettest day measured in Dublin between 1940 and 2025 was 29 June 1986, with 76 mm of rain in 24 hours.

What was the windiest day in Dublin?

The windiest day measured in Dublin between 1940 and 2025 was 24 December 1997, with winds reaching 69.4 km/h.

What is the warmest month in Dublin?

The warmest month in Dublin is July (15.0 °C on average); the coldest is January (4.8 °C).

How much does it rain in Dublin?

Dublin receives on average 829 mm of precipitation per year, spread over about 159 rainy days.

Is it sunny in Dublin?

Dublin gets on average 7.8 hours of sunshine per day, roughly 2,847 hours per year over 1940-2025.

What is the biggest single-day snowfall in Dublin?

The heaviest 24-hour snowfall measured in Dublin between 1940 and 2025 was 8 December 1954, with 28.8 cm.

Are there tropical nights in Dublin?

Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Dublin.

What was the most extreme apparent temperature in Dublin?

In Dublin, between 1940 and 2025, the highest apparent temperature reached 30.0 °C on 13 July 1983, and the lowest was -15.4 °C on 24 February 1947.

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