Measurements:
°C
°F
Killarney
40°F
E 6 mph
Feels like: 36°F
Precip: 72%
World Resorts Ireland Killarney Weather

14 Day Weather Forecast

05.17
sun
DAY
46°F
E 9 mph
precip
100%
NIGHT
42°F
NE 4 mph
precip
100%
05.18
mon
DAY
52°F
NW 7 mph
precip
100%
NIGHT
46°F
N 6 mph
precip
0%
05.19
tue
DAY
58°F
NE 15 mph
precip
77%
NIGHT
54°F
NE 11 mph
precip
100%
05.20
wed
DAY
58°F
NE 11 mph
precip
100%
NIGHT
54°F
N 6 mph
precip
100%
05.21
thu
DAY
62°F
N 8 mph
precip
76%
NIGHT
50°F
NW 6 mph
precip
44%
05.22
fri
DAY
60°F
N 6 mph
precip
81%
NIGHT
48°F
NE 4 mph
precip
0%
05.23
sat
DAY
66°F
NE 4 mph
precip
0%
NIGHT
48°F
NE 2 mph
precip
0%
05.24
sun
DAY
70°F
N 2 mph
precip
0%
NIGHT
50°F
SW 2 mph
precip
0%
05.25
mon
DAY
70°F
NW 4 mph
precip
0%
NIGHT
52°F
W 2 mph
precip
0%
05.26
tue
DAY
70°F
W 9 mph
precip
52%
NIGHT
52°F
W 4 mph
precip
0%
05.27
wed
DAY
68°F
W 9 mph
precip
0%
NIGHT
56°F
NW 3 mph
precip
0%
05.28
thu
DAY
64°F
NW 4 mph
precip
88%
NIGHT
58°F
E 1 mph
precip
65%
05.29
fri
DAY
52°F
NE 6 mph
precip
70%
NIGHT
52°F
SE 8 mph
precip
81%

Killarney Sea Water Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Killarney was 54.5°F. The maximum and minimum values were 53.4°F and 55.4°F respectively.

Killarney on the Weather Map

Best Time to Visit Killarney
The most sunny months:
April 5 days
May 4 days
March 4 days
The most warm months:
July 66.2 °F
August 65.5 °F
June 63.3 °F
Warmest sea temperature:
August 62.4 °F
July 61.8 °F
September 60.0 °F
The most cold months:
January 44.8 °F
December 46.6 °F
February 46.8 °F
The most rainy months:
December 9 days
January 9 days
November 8 days
The most windy months:
February 11 mph
December 11 mph
January 10 mph
Ireland Resorts:
NAME
Cork +40
Dublin +42
Killarney +40
Limerick +40
24 Hours Weather Forecast
Killarney
Local time: 00:23
17 may, sunday
0300 42°F
E
6 mph
0600 40°F
NE
6 mph
0900 44°F
E
10 mph
1200 46°F
E
9 mph
1500 46°F
E
14 mph
1800 46°F
E
16 mph
2100 44°F
NE
6 mph
18 may, monday
0000 42°F
NE
4 mph