Measurements:
°C
°F
CURRENT WEATHER
12:22
Killarney
64°F
SE 8 mph
Feels like: 64°F
Precip: 11%
World Resorts Ireland Killarney Weather

7 Day Weather Forecast

07.30
thu
DAY
64°F
SE 8 mph
precip
11%
NIGHT
44°F
NE 4 mph
precip
19%
07.31
fri
DAY
62°F
E 9 mph
precip
24%
NIGHT
44°F
NE 2 mph
precip
17%
08.01
sat
DAY
68°F
E 3 mph
precip
9%
NIGHT
52°F
SW 2 mph
precip
19%
08.02
sun
DAY
58°F
NW 2 mph
precip
23%
NIGHT
52°F
W 3 mph
precip
30%
08.03
mon
DAY
66°F
W 3 mph
precip
6%
NIGHT
58°F
S 2 mph
precip
43%
08.04
tue
DAY
64°F
S 6 mph
precip
32%
NIGHT
56°F
S 4 mph
precip
30%
08.05
wed
DAY
64°F
S 6 mph
precip
30%
NIGHT
54°F
SE 3 mph
precip
20%

Killarney Sea Water Temperature in July, °F

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Killarney was 18.3°F. The maximum and minimum values were 16.9°F and 20.0°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
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