19.12
fri
fri
Day
46°F
NE 12 mph
Precip.
87%
87%
Night
46°F
N 17 mph
Precip.
87%
87%
20.12
sat
sat
Day
45°F
NE 6 mph
Precip.
89%
89%
Night
36°F
N 4 mph
Precip.
0%
0%
21.12
sun
sun
Day
41°F
SW 2 mph
Precip.
0%
0%
Night
39°F
E 8 mph
Precip.
100%
100%
22.12
mon
mon
Day
45°F
N 9 mph
Precip.
80%
80%
Night
37°F
W 7 mph
Precip.
100%
100%
23.12
tue
tue
Day
43°F
W 5 mph
Precip.
0%
0%
Night
34°F
W 2 mph
Precip.
0%
0%
24.12
wed
wed
Day
41°F
SW 2 mph
Precip.
0%
0%
Night
36°F
SW 3 mph
Precip.
0%
0%
25.12
thu
thu
Day
41°F
NW 4 mph
Precip.
0%
0%
Night
32°F
NW 2 mph
Precip.
0%
0%
sea water
temperature
temperature
| Killarney |
monthly
weather
weather
| Killarney |
current
weather
weather
| Killarney |
14 days
forecast
forecast
| Killarney |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 50.5°F. The highest and lowest sea temperatures during the month were 51.1°F and 50.0°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 48.2°F. The highest and lowest sea temperatures during the month were 49.3°F and 47.5°F.
Air temperature in Killarney, °F
Precipitation total in Killarney, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Killarney
Killarney on a weather map
24 Hours Forecast
Killarney
Local time: 01:54
December 19, friday
0300
45°F
E
19 mph
19 mph
0600
45°F
E
16 mph
16 mph
0900
41°F
NE
10 mph
10 mph
1200
46°F
NE
12 mph
12 mph
1500
46°F
NE
10 mph
10 mph
1800
45°F
N
7 mph
7 mph
2100
46°F
N
13 mph
13 mph
December 20, saturday
0000
46°F
N
17 mph
17 mph
