Annual mean 12°C · wettest around March · prevailing wind SW
Warmest
28.3 °C
Coldest
-0.4 °C
Wettest
37%
Windiest
5.6 m/s
Prevailing
SW
4.4 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
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 12°C. July is the hottest month, with highs of about 28°C; January is the coldest, with lows of about -3°C. Dublin has no sharply defined rainy season: the chance of rain on a given day runs from 32% in August, the driest month, to 39% in March, the wettest. Winds in Dublin are highest in March, averaging 4.2 m/s (15 km/h), and lightest in August, at 2.4 m/s (9 km/h). The prevailing wind is from the SW. The clearest skies in Dublin come in September, when the sky is typically 39% covered; January is the cloudiest month, at 71%.
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
0°C
-3°C
-5°C
37%
71%
4.0 m/s
1
0
6
February
4°C
-1°C
-2°C
37%
60%
4.0 m/s
2
0
15
March
9°C
3°C
4°C
39%
56%
4.2 m/s
10
0
33
April
15°C
7°C
10°C
38%
54%
3.9 m/s
31
2
56
May
21°C
14°C
18°C
38%
52%
3.4 m/s
60
19
59
June
26°C
19°C
25°C
35%
42%
3.2 m/s
62
44
33
July
28°C
21°C
28°C
36%
40%
2.6 m/s
40
67
11
August
27°C
19°C
27°C
32%
42%
2.4 m/s
50
59
19
September
24°C
15°C
23°C
34%
39%
2.4 m/s
64
41
42
October
18°C
10°C
15°C
35%
48%
3.0 m/s
45
11
64
November
9°C
3°C
4°C
36%
51%
3.5 m/s
10
0
36
December
4°C
-0°C
-1°C
37%
64%
3.7 m/s
0
0
14
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 0°C at their warmest in January, its coolest month, and 28°C in July, its warmest; the coolest hours of the day run from -3°C to 21°C through the year, and the average temperature over the year is 12°C around the clock. Rain is most likely around March and least likely around August. 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 3°CLow -1°CRain 37%
Winter in Dublin has typical daily highs of about 3°C and lows of about -1°C, with a 37% chance of rain on a given day.
Dublin weather in springMarch to May
High 15°CLow 8°CRain 38%
Spring in Dublin has typical daily highs of about 15°C and lows of about 8°C, with a 38% chance of rain on a given day.
Dublin weather in summerJune to August
High 27°CLow 20°CRain 34%
Summer in Dublin has typical daily highs of about 27°C and lows of about 20°C, with a 34% chance of rain on a given day.
Dublin weather in autumnSeptember to November
High 17°CLow 9°CRain 35%
Autumn in Dublin has typical daily highs of about 17°C and lows of about 9°C, with a 35% chance of rain on a given day.
When is the rainy season in Dublin?
Dublin has no sharply defined rainy season: the chance of rain on a given day runs from 32% in August, the driest month, to 39% in March, the wettest.
What time of year is Dublin windiest?
Winds in Dublin are highest in March, averaging 4.2 m/s (15 km/h), and lightest in August, at 2.4 m/s (9 km/h). The prevailing wind is from the SW.
What is the average temperature in Dublin year round?
The average temperature in Dublin over the whole year is 12°C. July is the hottest month, with highs of about 28°C; January is the coldest, with lows of about -3°C.