Dublin Weather in 2021

Historical record of Dublin, Ireland weather for the year 2021 based on NOAA data.
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2021 Dublin Weather Extremes
Highest temperature 28.0 °C July 17
Lowest temperature -5.4 °C January 9
Highest daily low 16.5 °C September 9
Lowest daily high 1.4 °C January 7
Most daily precipitation 2.6 cm July 6
Total annual precipitation 68.4 cm -
Highest Temperatures in Dublin in 2021
Rank Temperature Date
1 28.0 °C Jul 17
2 26.5 °C Jul 22
3 26.2 °C Jul 21
4 25.6 °C Jun 13
5 25.4 °C Jul 25
5 25.4 °C Jul 16
7 25.1 °C Jul 18
8 25.0 °C Jul 15
9 24.9 °C Jul 23
10 24.5 °C Jul 20
Lowest Temperatures in Dublin in 2021
Rank Temperature Date
1 -5.4 °C January 9
2 -5.1 °C January 10
3 -2.9 °C April 10
4 -2.6 °C March 7
4 -2.6 °C January 7
6 -2.3 °C January 24
7 -2.2 °C April 11
8 -2.0 °C March 6
9 -1.9 °C January 4
9 -1.9 °C January 3
January 2021 Dublin Weather
Day High (°C) Low (°C) Precip. (cm)
4.8 -0.4 0.00
4.0 -1.8 0.01
4.7 -1.9 0.39
5.5 -1.9 0.14
5.7 1.9 0.54
3.7 1.4 0.10
1.4 -2.6 0.00
2.1 -1.5 0.00
3.5 -5.4 0.00
6.8 -5.1 0.00
9.5 3.1 1.15
9.9 5.4 1.21
11.5 5.3 0.09
8.8 7.5 0.00
10.8 -1.0 0.32
8.8 -0.4 0.00
6.3 2.3 0.02
10.1 3.3 1.78
11.4 4.9 0.79
4.5 4.3 0.40
5.8 1.3 0.00
4.6 0.5 0.01
3.7 -1.0 0.02
2.2 -2.3 0.00
6.0 -1.4 0.08
10.5 -0.5 0.02
11.4 5.9 1.05
13.3 7.3 0.08
10.3 5.7 1.99
5.1 4.6 0.99
4.0 2.2 0.38
February 2021 Dublin Weather
Day High (°C) Low (°C) Precip. (cm)
6.9 2.2 1.59
11.3 3.6 0.33
9.3 6.2 0.34
10.0 6.4 0.04
6.1 4.4 0.24
6.8 2.0 0.31
4.4 4.2 0.02
3.4 2.4 0.15
2.6 0.7 0.14
3.9 -0.1 0.00
2.9 0.8 0.00
5.0 1.4 0.06
9.6 0.3 0.03
13.1 1.1 0.25
13.5 6.9 0.05
11.6 8.5 0.08
10.9 5.8 0.63
11.3 2.0 0.26
13.7 4.8 0.34
13.3 6.5 0.11
13.0 7.1 0.00
13.2 1.5 0.18
14.6 5.4 0.90
11.7 9.6 0.09
10.6 4.3 0.03
11.9 0.6 0.00
11.8 1.4 0.00
11.1 1.4 0.00
March 2021 Dublin Weather
Day High (°C) Low (°C) Precip. (cm)
10.3 1.3 0.00
8.5 -0.8 0.00
5.9 0.8 0.00
6.2 3.3 0.01
6.1 3.6 0.00
9.0 -2.0 0.00
10.7 -2.6 0.01
12.2 0.8 0.02
10.8 6.0 0.23
13.3 7.3 0.73
9.5 5.5 0.78
8.8 1.6 0.20
8.5 3.2 0.34
10.9 4.1 0.43
13.4 5.9 0.05
14.9 9.2 0.00
14.6 2.5 0.03
15.1 7.0 0.00
13.2 3.7 0.00
13.5 3.2 0.01
13.3 6.5 0.00
10.4 7.7 0.00
13.1 7.8 0.13
13.1 4.4 0.01
12.8 6.6 0.14
8.8 3.8 0.09
12.7 1.9 0.12
15.9 6.4 0.09
17.5 12.6 0.00
16.4 9.5 0.00
15.5 5.7 0.00
April 2021 Dublin Weather
Day High (°C) Low (°C) Precip. (cm)
9.4 8.2 0.00
10.2 5.5 0.00
12.3 -0.7 0.00
14.0 0.0 0.01
7.4 2.4 0.00
8.5 -1.5 0.03
8.6 0.6 0.03
11.5 4.2 0.13
8.4 3.9 0.20
8.8 -2.9 0.01
9.3 -2.2 0.29
10.8 2.7 0.12
12.0 1.3 0.00
12.5 2.2 0.00
13.3 0.3 0.00
13.5 -0.6 0.00
14.4 -1.0 0.08
12.0 7.3 0.01
13.5 4.7 0.14
12.1 7.5 0.00
13.5 3.8 0.00
14.2 3.0 0.00
15.7 1.7 0.00
16.1 3.4 0.00
12.7 5.3 0.00
17.0 1.3 0.00
12.0 7.0 0.20
11.0 6.7 0.00
10.9 1.0 0.24
10.0 -0.6 0.13
May 2021 Dublin Weather
Day High (°C) Low (°C) Precip. (cm)
11.7 -0.2 0.00
13.4 2.2 0.40
13.2 5.3 0.80
11.5 4.9 0.16
11.2 1.7 0.24
12.7 -0.9 0.00
12.2 0.7 1.52
19.2 5.7 0.05
14.7 8.9 0.01
15.9 9.5 0.35
15.7 6.6 0.00
12.7 2.6 0.26
14.8 2.6 0.00
14.8 4.2 0.28
13.1 7.5 0.56
15.1 4.0 0.10
16.0 4.9 0.24
14.7 3.7 0.83
17.0 4.5 0.27
14.6 9.0 1.20
11.6 8.6 0.35
13.9 3.5 0.00
13.9 6.3 0.48
16.0 2.8 0.00
16.0 6.5 0.27
16.7 6.1 0.00
18.0 5.1 1.25
15.0 11.0 0.07
18.2 9.4 0.00
22.4 7.8 0.00
21.0 7.7 0.00
June 2021 Dublin Weather
Day High (°C) Low (°C) Precip. (cm)
20.9 11.8 0.00
19.0 11.5 0.00
19.9 13.1 0.00
20.1 9.6 0.00
19.8 10.9 0.01
17.5 6.1 0.00
20.2 9.2 0.00
19.8 11.9 0.00
22.5 15.4 0.00
22.5 13.6 0.00
18.9 14.7 0.00
20.9 10.1 0.00
25.6 13.4 0.02
18.7 12.4 0.00
23.4 7.1 0.11
18.9 11.2 0.00
19.3 8.0 0.00
16.7 5.7 0.00
17.8 5.3 0.00
17.4 10.9 0.00
18.4 9.7 0.00
18.5 5.2 0.71
19.1 10.0 0.12
19.5 11.6 0.39
14.2 9.8 0.06
15.2 9.5 0.00
18.8 7.6 0.00
20.8 9.3 0.00
23.4 10.5 0.00
20.3 10.7 0.00
July 2021 Dublin Weather
Day High (°C) Low (°C) Precip. (cm)
20.1 9.2 0.00
20.2 10.9 0.10
19.8 13.1 0.00
20.8 14.1 1.21
20.0 10.4 0.00
17.8 10.1 2.56
20.8 11.9 0.00
19.1 12.8 0.00
17.7 14.3 0.00
20.0 13.8 0.01
17.1 11.9 1.22
20.8 14.0 0.03
20.5 12.3 0.00
23.0 11.6 0.00
25.0 15.2 0.00
25.4 14.3 0.00
28.0 13.8 0.00
25.1 15.3 0.00
24.2 15.1 0.00
24.5 13.9 0.00
26.2 13.6 0.00
26.5 12.6 0.00
24.9 15.4 0.00
20.3 15.7 0.00
25.4 10.2 0.00
20.1 12.1 0.00
20.7 14.6 0.26
18.2 11.1 0.58
19.3 10.3 1.74
18.2 13.2 0.40
19.4 12.9 0.25
August 2021 Dublin Weather
Day High (°C) Low (°C) Precip. (cm)
18.7 11.7 0.00
17.8 8.4 0.00
17.8 9.4 0.30
22.5 9.7 0.08
21.2 14.7 0.89
18.8 14.2 0.30
17.4 14.2 0.73
19.6 13.5 0.08
18.9 10.8 0.07
19.9 12.7 0.00
20.3 16.0 0.35
20.5 8.5 0.14
21.0 12.3 0.08
16.8 12.6 0.19
19.0 13.8 0.05
17.6 11.8 0.00
19.3 13.0 0.10
17.5 12.1 0.02
20.7 10.6 0.06
20.5 14.3 0.46
19.5 14.8 1.16
20.8 12.5 0.06
21.5 10.8 0.00
21.2 13.3 0.00
22.9 10.2 0.00
22.5 11.3 0.00
19.1 12.8 0.00
20.8 9.8 0.00
18.7 9.3 0.00
15.9 14.6 0.00
17.1 12.1 0.00
September 2021 Dublin Weather
Day High (°C) Low (°C) Precip. (cm)
17.6 13.9 0.00
16.2 8.9 0.00
16.9 9.9 0.00
19.8 11.7 0.00
22.3 13.1 0.00
23.6 12.7 0.00
22.3 14.9 0.00
23.4 14.2 0.37
21.1 16.5 0.10
20.3 15.7 0.00
20.3 14.0 0.00
16.5 12.0 0.00
18.4 10.3 0.05
20.5 13.6 0.00
19.0 14.3 0.01
21.6 8.5 0.12
19.3 15.6 0.14
18.1 10.4 0.00
19.5 11.0 0.00
19.7 7.5 0.00
18.1 11.5 0.00
21.7 13.3 0.10
20.5 12.2 0.00
21.7 12.4 0.00
23.1 15.7 0.00
21.1 13.8 1.61
16.9 8.2 0.29
15.6 8.1 0.01
16.1 5.1 0.49
16.1 9.7 0.23
October 2021 Dublin Weather
Day High (°C) Low (°C) Precip. (cm)
14.1 8.0 0.11
14.2 8.1 0.15
15.8 6.8 0.19
15.7 7.5 0.44
15.4 7.0 0.00
18.7 6.8 0.07
20.4 11.1 0.26
20.1 14.9 0.11
18.3 14.3 0.01
15.7 8.0 0.00
15.6 5.7 0.00
15.3 8.3 0.00
13.1 11.3 0.00
14.6 10.6 0.05
13.6 7.6 0.07
16.6 7.7 0.30
18.6 11.9 0.05
19.6 11.6 0.35
19.2 13.9 0.53
13.2 7.9 0.10
12.6 3.3 0.01
13.5 5.7 0.00
14.0 9.4 0.05
17.0 11.7 0.01
14.7 8.2 0.05
17.7 7.7 0.24
18.1 14.7 1.63
15.2 12.8 1.21
13.2 8.5 0.30
12.5 4.5 0.57
13.4 5.6 0.49
November 2021 Dublin Weather
Day High (°C) Low (°C) Precip. (cm)
10.9 7.3 0.37
10.0 3.3 0.01
10.4 2.7 0.01
10.3 3.3 0.00
11.4 4.7 0.00
13.8 8.4 0.08
12.6 5.9 0.22
16.6 4.2 0.05
14.1 12.4 0.02
12.1 6.8 0.00
15.1 5.1 0.11
13.7 10.7 0.01
12.5 10.1 0.00
14.8 7.8 0.19
11.9 8.5 0.00
11.4 6.7 0.01
12.3 6.9 0.00
13.8 8.8 0.00
12.7 9.7 0.00
12.3 9.0 0.06
8.7 1.3 0.00
8.5 -1.4 0.00
7.4 -0.2 0.00
7.5 1.4 0.07
8.2 -0.3 0.05
7.6 0.7 0.02
5.1 2.0 0.00
5.2 0.7 0.00
10.1 1.5 0.01
11.2 4.6 0.46
December 2021 Dublin Weather
Day High (°C) Low (°C) Precip. (cm)
7.5 5.9 0.00
9.5 1.4 0.87
7.6 1.9 0.09
6.0 3.0 0.00
7.6 1.2 0.22
8.3 0.1 0.70
9.0 1.9 1.47
6.4 2.4 0.06
10.0 2.6 0.13
9.2 1.5 0.05
13.2 2.0 0.11
13.8 8.6 0.00
8.0 5.3 0.00
9.5 -0.3 0.01
11.5 2.4 0.00
11.8 4.2 0.00
9.2 3.0 0.01
9.1 2.9 0.00
7.8 1.5 0.00
7.8 4.7 0.00
6.9 5.9 0.47
12.5 5.0 0.06
13.0 6.1 0.01
10.4 3.6 0.37
9.2 5.3 1.49
9.9 5.9 0.07
9.6 2.0 1.05
14.0 5.5 0.30
13.7 3.2 0.02
13.8 10.4 0.77
15.0 11.7 0.04
Weather Station Details
Years Station Coordinates
1867–2024 Dublin Phoenix Park location