28.12
sun
sun
Day
41°F
W 4 mph
Precip.
0%
0%
Night
36°F
SW 2 mph
Precip.
0%
0%
29.12
mon
mon
Day
37°F
SW 4 mph
Precip.
0%
0%
Night
32°F
SW 4 mph
Precip.
0%
0%
30.12
tue
tue
Day
41°F
W 5 mph
Precip.
0%
0%
Night
34°F
W 4 mph
Precip.
0%
0%
31.12
wed
wed
Day
39°F
SE 1 mph
Precip.
0%
0%
Night
30°F
SE 2 mph
Precip.
0%
0%
01.01
thu
thu
Day
43°F
SE 7 mph
Precip.
83%
83%
Night
36°F
S 2 mph
Precip.
73%
73%
02.01
fri
fri
Day
41°F
NW 1 mph
Precip.
0%
0%
Night
37°F
NE 3 mph
Precip.
0%
0%
03.01
sat
sat
Day
46°F
SE 9 mph
Precip.
100%
100%
Night
43°F
SE 11 mph
Precip.
100%
100%
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 50.2°F. The highest and lowest sea temperatures during the month were 51.1°F and 48.9°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: 18:48
December 28, sunday
2100
37°F
W
3 mph
3 mph
December 29, monday
0000
36°F
SW
2 mph
2 mph
0300
32°F
SW
2 mph
2 mph
0600
30°F
SW
2 mph
2 mph
0900
30°F
SW
4 mph
4 mph
1200
37°F
SW
4 mph
4 mph
1500
37°F
SW
4 mph
4 mph
1800
32°F
SW
4 mph
4 mph
