The climate in Ireland is generally mild. Because of the moderating influence of the prevailing warm, moist winds from the Atlantic Ocean, the average winter temperatures range from 4.4° to 7.2° C (40° to 45° F), approximately 14° C (25° F) higher than that of other places in the same latitude in the interior of Europe or on the eastern coast of North America. In summer, the average summer temperature is 15° to 16.7° C (59° to 62° F), being approximately 4° C (7° F) lower than that of other places in the same latitudes. The rainfall averages 1016 mm (40 in) a year.

 
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Av/Tt
Max(°C)
9
9
11
13
15
17
18
18
17
14
12
10
14
Max(F)
48
48
52
55
59
63
64
64
63
57
54
50
57
Min(°C)
5
4
5
6
8
11
12
13
11
9
7
6
8
Min(F)
41
39
41
43
46
52
54
55
52
48
45
43
46
Rain(mm)
165
107
103
75
86
81
107
95
122
140
151
168
1400
Rain(in)
6.6
4.3
4.1
3
3.4
3.2
4.3
3.8
4.9
5.6
6
6.7
56