World Resorts Ireland Killarney Weather

Killarney 14 Days Forecast

29.08
sat
Day
57°F
SE 4 mph
Precip.
35%
Night
55°F
N 4 mph
Precip.
34%
30.08
sun
Day
61°F
NE 8 mph
Precip.
42%
Night
55°F
SE 8 mph
Precip.
42%
31.08
mon
Day
59°F
E 9 mph
Precip.
22%
Night
54°F
N 6 mph
Precip.
28%
01.09
tue
Day
59°F
NE 8 mph
Precip.
46%
Night
55°F
NW 3 mph
Precip.
83%
02.09
wed
Day
64°F
NE 10 mph
Precip.
34%
Night
55°F
E 9 mph
Precip.
28%
03.09
thu
Day
61°F
E 16 mph
Precip.
10%
Night
52°F
E 7 mph
Precip.
38%
04.09
fri
Day
59°F
E 13 mph
Precip.
11%
Night
52°F
NE 4 mph
Precip.
33%
05.09
sat
Day
55°F
N 6 mph
Precip.
49%
Night
52°F
SE 2 mph
Precip.
28%
06.09
sun
Day
59°F
E 4 mph
Precip.
17%
Night
50°F
NE 4 mph
Precip.
31%
07.09
mon
Day
59°F
E 6 mph
Precip.
29%
Night
50°F
N 4 mph
Precip.
31%
08.09
tue
Day
54°F
SE 13 mph
Precip.
27%
Night
48°F
E 4 mph
Precip.
29%
09.09
wed
Day
54°F
SE 13 mph
Precip.
41%
Night
48°F
E 3 mph
Precip.
24%
10.09
thu
Day
57°F
S 5 mph
Precip.
10%
Night
46°F
NW 2 mph
Precip.
15%
11.09
fri
Day
55°F
SW 4 mph
Precip.
5%
Night
52°F
NE 4 mph
Precip.
25%

Sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 64.4°F. The highest and lowest sea temperatures during the month were 65.5°F and 63.3°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 59.7°F. The highest and lowest sea temperatures during the month were 62.2°F and 57.9°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

Sunniest months:
April 5 days
May 4 days
March 4 days
Warmest months:
July 64.9 °F
August 64.0 °F
June 62.0 °F
Warmest sea temp:
August 61.4 °F
July 60.9 °F
September 59.0 °F
Coldest months:
January 45.4 °F
December 46.9 °F
February 47.1 °F
Rainiest months:
December 9 days
January 9 days
November 8 days
Windiest months:
February 11.6 mph
December 11.1 mph
January 10.1 mph

Killarney on a weather map

Killarney
+55°F
S 6 mph
Feels like: +54°F
Precip.: 79%
Places in Ireland:
Name
°F
+57°F
+55°F
+57°F
+55°F
24 Hours Forecast
Killarney
Local time: 04:36
August 29, saturday
0600
55°F
S
6 mph
0900
55°F
SE
4 mph
1200
57°F
SE
4 mph
1500
64°F
E
10 mph
1800
63°F
E
9 mph
2100
55°F
NE
4 mph
August 30, sunday
0000
55°F
N
4 mph
0300
55°F
NW
5 mph
Units of measurement: °C / °F