Killarney in May

6.4out of 10

Possible, with caveats

Mild: highs around 17°C. Frequent rain: about 13 rainy days.

17°CAvg high
8°CAvg low
13Rainy days (118 mm)
15:06 hDaylight
05:36Sunrise · 20:41 Sunset

Why this score

  • Mild: highs around 17°C
  • Frequent rain: about 13 rainy days
  • Rain varies a lot between years (±4.3 days)

What to wear and pack

  • Layers you can add or remove
  • Rain jacket or compact umbrella

How reliable is the forecast?

Rain in May varies a lot between years (±4.3 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

6° 1° J 7° 2° F 10° 3° M 13° 5° A 17° 8° M 19° 11° J 22° 13° J 23° 13° A 19° 11° S 13° 7° O 8° 4° N 5° 1° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 6°C1°C315 mm 19– – 3.4
February 7°C2°C192 mm 16– – 4.0
March 10°C3°C253 mm 19– – 4.1
April 13°C5°C175 mm 17– – 4.9
May 17°C8°C118 mm 13– – 6.4
June 19°C11°C95 mm 11– – 7.1
July 22°C13°C53 mm 7– – 8.2
August 23°C13°C72 mm 7– – 8.1
September 19°C11°C125 mm 10– – 7.1
October 13°C7°C245 mm 16– – 4.8
November 8°C4°C349 mm 20– – 3.9
December 5°C1°C307 mm 19– – 3.3

Frequently asked questions

How hot is Killarney in May?

Daytime highs average 17°C and nights about 8°C.

When is the best time to visit Killarney?

The best months are July, August.