Average data for 10 years
1 January
Wednesday
+8°
+3°
2 January
Thursday
+7°
+3°
3 January
Friday
+7°
+3°
4 January
Saturday
+7°
+3°
5 January
Sunday
+8°
+3°
6 January
Monday
+8°
+3°
7 January
Tuesday
+7°
+4°
8 January
Wednesday
+7°
+2°
9 January
Thursday
+7°
+3°
10 January
Friday
+8°
+3°
11 January
Saturday
+8°
+4°
12 January
Sunday
+8°
+4°
13 January
Monday
+8°
+4°
14 January
Tuesday
+8°
+4°
15 January
Wednesday
+8°
+4°
16 January
Thursday
+7°
+3°
17 January
Friday
+7°
+3°
18 January
Saturday
+8°
+3°
19 January
Sunday
+7°
+3°
20 January
Monday
+8°
+3°
21 January
Tuesday
+8°
+4°
22 January
Wednesday
+8°
+3°
23 January
Thursday
+8°
+3°
24 January
Friday
+8°
+4°
25 January
Saturday
+8°
+4°
26 January
Sunday
+8°
+3°
27 January
Monday
+8°
+3°
28 January
Tuesday
+8°
+3°
29 January
Wednesday
+8°
+3°
30 January
Thursday
+8°
+3°
31 January
Friday
+8°
+4°
January in Killarney is the coldest month of the year. In January, the weather in Killarney is typically cold. Average daily high temperature in January is about 8 degrees above zero. On average, Killarney has 17 rainy, 8 cloudy, 5 partly cloudy, and 1 sunny day in January. The rains are usually heavy. January as well as February, March, April, and May is considered the most uncomfortable time to visit Killarney.