Portlaoise Weather in May
During May, Portlaoise experiences moderate daytime temperatures of 16°C (61°F) and cooler nights around 8°C (46°F). Expect quite a bit of rainfall. Around 72 mm (2.8 in) is typical.
Rainfall in Portlaoise in May
Typically around 17 days of rainfall are expected, averaging 72 mm (2.8 in) for the month. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.
Temperature in Portlaoise in May
May in Portlaoise brings typical temperatures with highs around 16°C (61°F) and lows of 8°C (46°F). Conditions are often most pleasant around the middle of the day. With overnight lows of 8°C (46°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.For Portlaoise itself, July and August generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Portlaoise Temperature in May
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Portlaoise Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Portlaoise - and find the best time to visit.
Best Places in Ireland in May
Find out more about the weather in Ireland and which places have the best travel conditions in this month. See all of Ireland in May →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Portlaoise in May
For Portlaoise in May, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket.
What To Do in Portlaoise in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling6/10 -
Walking6/10 -
Camping4/10 -
Outdoor sports9/10
Portlaoise 3-Day Forecast
See the full Portlaoise climate overview or explore weather in Ireland.
Popular in May
Where to go in May - average daytime high across popular destinations.
Galway
16°C (61°F) Kilkenny
16°C (61°F) Westport16°C (61°F) Kenmare
16°C (61°F) Killarney16°C (61°F) Dublin16°C (61°F) Cork
15°C (59°F) Doolin15°C (59°F) 
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