Measurements:
°C
°F
CURRENT WEATHER
09:18
Killarney
46°F
SE 7 mph
Feels like: 42°F
Precip: 88%
World Resorts Ireland Killarney Weather

7 Day Weather Forecast

03.30
mon
DAY
50°F
E 7 mph
precip
0%
NIGHT
50°F
E 4 mph
precip
0%
03.31
tue
DAY
52°F
E 9 mph
precip
83%
NIGHT
48°F
NE 4 mph
precip
0%
04.01
wed
DAY
54°F
NE 9 mph
precip
0%
NIGHT
38°F
SE 3 mph
precip
0%
04.02
thu
DAY
48°F
NE 9 mph
precip
0%
NIGHT
40°F
E 2 mph
precip
82%
04.03
fri
DAY
44°F
N 6 mph
precip
100%
NIGHT
44°F
NE 13 mph
precip
100%
04.04
sat
DAY
46°F
NE 6 mph
precip
100%
NIGHT
30°F
NE 11 mph
precip
100%
04.05
sun
DAY
34°F
NE 7 mph
precip
100%
NIGHT
30°F
N 8 mph
precip
0%

Killarney Sea Water Temperature in March, °F

Select Year: 2026 2025 2024

The average sea surface temperature in March 2026 for Killarney was 9.2°F. The maximum and minimum values were 8.6°F and 9.9°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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