Measurements:
°C
°F
CURRENT WEATHER
11:41
Killarney
52°F
W 19 mph
Feels like: 44°F
Precip: 0%
World Resorts Ireland Killarney Weather

7 Day Weather Forecast

04.21
tue
DAY
52°F
W 19 mph
precip
0%
NIGHT
48°F
W 19 mph
precip
0%
04.22
wed
DAY
50°F
W 21 mph
precip
60%
NIGHT
48°F
NW 13 mph
precip
0%
04.23
thu
DAY
56°F
NW 16 mph
precip
0%
NIGHT
38°F
W 6 mph
precip
0%
04.24
fri
DAY
58°F
W 11 mph
precip
0%
NIGHT
40°F
NW 4 mph
precip
0%
04.25
sat
DAY
58°F
NW 6 mph
precip
0%
NIGHT
42°F
NW 1 mph
precip
0%
04.26
sun
DAY
62°F
NE 2 mph
precip
0%
NIGHT
42°F
SW 2 mph
precip
0%
04.27
mon
DAY
62°F
SW 4 mph
precip
0%
NIGHT
46°F
NE 1 mph
precip
0%

Killarney Sea Water Temperature in April, °F

Select Year: 2026 2025 2024

The average sea surface temperature in April 2026 for Killarney was 10.0°F. The maximum and minimum values were 9.4°F and 10.7°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
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