Measurements:
°C
°F
CURRENT WEATHER
13:25
Killarney
60°F
E 14 mph
Feels like: 60°F
Precip: 31%
World Resorts Ireland Killarney Weather

7 Day Weather Forecast

08.19
wed
DAY
60°F
E 14 mph
precip
31%
NIGHT
56°F
SE 8 mph
precip
27%
08.20
thu
DAY
58°F
SE 10 mph
precip
41%
NIGHT
48°F
S 6 mph
precip
29%
08.21
fri
DAY
58°F
S 12 mph
precip
14%
NIGHT
50°F
S 6 mph
precip
22%
08.22
sat
DAY
60°F
S 10 mph
precip
13%
NIGHT
50°F
SE 2 mph
precip
26%
08.23
sun
DAY
66°F
S 3 mph
precip
2%
NIGHT
50°F
N 2 mph
precip
24%
08.24
mon
DAY
60°F
N 12 mph
precip
15%
NIGHT
56°F
NW 17 mph
precip
64%
08.25
tue
DAY
60°F
NW 13 mph
precip
80%
NIGHT
56°F
NE 3 mph
precip
28%

Killarney Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Killarney was 18.2°F. The maximum and minimum values were 17.5°F and 18.6°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 66.6 °F
August 65.5 °F
June 63.4 °F
Warmest sea temperature:
August 62.4 °F
July 62.1 °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
more details