Portlaoise in May

6.3out of 10

Possible, with caveats

Cool: highs only around 15°C. Frequent rain: about 13 rainy days.

15°CAvg high
7°CAvg low
13Rainy days (64 mm)
15:35 hDaylight
05:38Sunrise · 21:13 Sunset

Why this score

  • Cool: highs only around 15°C
  • Frequent rain: about 13 rainy days
  • Rain varies a lot between years (±4.4 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 (±4.4 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

8° 3° J 8° 3° F 10° 3° M 12° 5° A 15° 7° M 17° 10° J 19° 12° J 18° 12° A 16° 10° S 13° 7° O 10° 5° N 8° 3° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 8°C3°C71 mm 14– – 5.0
February 8°C3°C60 mm 12– – 5.3
March 10°C3°C60 mm 12– – 5.5
April 12°C5°C63 mm 13– – 5.8
May 15°C7°C64 mm 13– – 6.3
June 17°C10°C70 mm 12– – 6.7
July 19°C12°C66 mm 12– – 6.9
August 18°C12°C74 mm 13– – 6.8
September 16°C10°C62 mm 11– – 6.7
October 13°C7°C78 mm 13– – 5.9
November 10°C5°C79 mm 12– – 5.5
December 8°C3°C79 mm 13– – 5.0

Frequently asked questions

How hot is Portlaoise in May?

Daytime highs average 15°C and nights about 7°C.

When is the best time to visit Portlaoise?

The best months are July, August, June, September.