Annual mean 18°C · wettest around September · prevailing wind W
Warmest
32.1 °C
Coldest
12.7 °C
Wettest
97%
Windiest
3.6 m/s
Prevailing
W
2.8 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Dublin over the whole year is 18°C. July is the hottest month, with highs of about 32°C; January is the coldest, with lows of about 5°C. The rainy (wet) season in Dublin runs from September, peaking in September with a 82% chance of rain on a given day. The dry season is June to August; June is the driest month, at 37%. Winds in Dublin are highest in March, averaging 2.0 m/s (7 km/h), and lightest in August, at 1.2 m/s (4 km/h). The prevailing wind is from the W. The clearest skies in Dublin come in April, when the sky is typically 32% covered; December is the cloudiest month, at 47%.
Month by month Dublin climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
13°C
5°C
10°C
60%
38%
1.9 m/s
24
2
56
February
17°C
8°C
14°C
56%
44%
1.9 m/s
48
6
65
March
20°C
10°C
17°C
66%
40%
2.0 m/s
60
11
64
April
23°C
13°C
22°C
46%
32%
1.9 m/s
70
32
49
May
27°C
18°C
27°C
62%
36%
1.7 m/s
46
57
20
June
31°C
22°C
32°C
37%
35%
1.5 m/s
11
55
2
July
32°C
23°C
35°C
52%
35%
1.3 m/s
3
28
0
August
31°C
23°C
34°C
43%
40%
1.2 m/s
5
33
1
September
29°C
19°C
31°C
82%
35%
1.3 m/s
21
55
8
October
25°C
14°C
25°C
50%
34%
1.4 m/s
58
44
34
November
19°C
9°C
17°C
76%
36%
1.5 m/s
55
11
67
December
15°C
7°C
13°C
59%
47%
1.7 m/s
37
3
64
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Dublin weather by season
Year round, Dublin has days of about 13°C at their warmest in January, its coolest month, and 32°C in July, its warmest; the coolest hours of the day run from 5°C to 23°C through the year, and the average temperature over the year is 18°C around the clock. Rain is most likely around September and least likely around June. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Dublin weather in winterDecember to February
High 15°CLow 7°CRain 58%
Winter in Dublin has typical daily highs of about 15°C and lows of about 7°C, with a 58% chance of rain on a given day.
Dublin weather in springMarch to May
High 23°CLow 13°CRain 58%
Spring in Dublin has typical daily highs of about 23°C and lows of about 13°C, with a 58% chance of rain on a given day.
Dublin weather in summerJune to August
High 31°CLow 23°CRain 44%
Summer in Dublin has typical daily highs of about 31°C and lows of about 23°C, with a 44% chance of rain on a given day.
Dublin weather in autumnSeptember to November
High 24°CLow 14°CRain 69%
Autumn in Dublin has typical daily highs of about 24°C and lows of about 14°C, with a 69% chance of rain on a given day.
When is the rainy season in Dublin?
The rainy (wet) season in Dublin runs from September, peaking in September with a 82% chance of rain on a given day. The dry season is June to August; June is the driest month, at 37%.
What time of year is Dublin windiest?
Winds in Dublin are highest in March, averaging 2.0 m/s (7 km/h), and lightest in August, at 1.2 m/s (4 km/h). The prevailing wind is from the W.
What is the average temperature in Dublin year round?
The average temperature in Dublin over the whole year is 18°C. July is the hottest month, with highs of about 32°C; January is the coldest, with lows of about 5°C.