Portlaoise
May
Weather in Portlaoise for May 2026
Your guide to Portlaoise weather in May - trends and predictions
In general, the average temperature in Portlaoise at the beginning of May is 13.9 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 14.7 °C by the end of May.
Portlaoise in May brings notable rainfall, with an average of 17 rainy days and a total precipitation of 60.4 mm.
Temperatures
Rain 🌧️
14
Dry days
17
Rainy days
0
Snow days
16°/6°
Temperatures
17 km/h
Avg max wind
80 %
Avg humidity
Portlaoise Weather May
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Temperatures trend during May in Portlaoise
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May weather in Portlaoise day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Overcast | 18° /9° | 0 mm | 4 | |
| 2 May |  Partly cloudy | 14° /5° | 0 mm | 4 | |
| 3 May |  Patchy rain possible | 13° /3° | 0.4 mm | 3 | |
| 4 May | Patchy rain possible | 11° /2° | 0.6 mm | 3 | |
| 5 May |  Cloudy | 12° /1° | 0 mm | 3 | |
| 6 May | Overcast | 14° /3° | 0 mm | 3 | |
| 7 May | Overcast | 15° /6° | 0 mm | 4 | |
| 8 May | Patchy rain possible | 15° /4° | 0.3 mm | 4 | |
| 9 May | Overcast | 16° /3° | 0 mm | 4 | |
| 10 May | Overcast | 16° /4° | 0 mm | 4 | |
| 11 May | Patchy rain possible | 17° /6° | 1.1 mm | 4 | |
| 12 May | Patchy rain possible | 16° /7° | 2 mm | 4 | |
| 13 May |  Moderate rain at times | 18° /9° | 1 mm | 4 | |
| 14 May | Patchy rain possible | 19° /8° | 0.2 mm | 4 | |
| 15 May | Overcast | 18° /7° | 0 mm | 4 | |
| 16 May |  Sunny | 18° /5° | 0 mm | 5 | |
| 17 May | Sunny | 19° /6° | 0 mm | 5 | |
| 18 May | Sunny | 19° /7° | 0 mm | 5 | |
| 19 May | Moderate or heavy rain shower | 16° /7° | 5.5 mm | 4 | |
| 20 May | Moderate or heavy rain shower | 15° /6° | 15.1 mm | 4 | |
| 21 May | Overcast | 18° /7° | 0 mm | 4 | |
| 22 May | Sunny | 17° /5° | 0 mm | 5 | |
| 23 May | Patchy rain possible | 17° /5° | 2 mm | 4 | |
| 24 May | Moderate or heavy rain shower | 18° /11° | 6.1 mm | 4 | |
| 25 May | Light rain shower | 13° /8° | 2.5 mm | 3 | |
| 26 May | Light rain shower | 12° /7° | 3.1 mm | 3 | |
| 27 May |  Light rain | 10° /7° | 10.1 mm | 3 | |
| 28 May | Light rain shower | 16° /9° | 3.4 mm | 4 | |
| 29 May | Light rain shower | 18° /13° | 2.6 mm | 4 | |
| 30 May | Light rain shower | 18° /10° | 1.9 mm | 4 | |
| 31 May | Light rain shower | 16° /9° | 2.6 mm | 4 | |
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Important Notice
Our weather forecast for Portlaoise in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Portlaoise forecast closer to your planned date for the most up-to-date weather information.
Change Month
Portlaoise in May - FAQ
What are the expected maximum and minimum temperatures in Portlaoise during May?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 6°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Portlaoise during May?
Moderate rainfall is anticipated in Portlaoise during May, with a total of 60.4 mm spread over approximately 17 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Portlaoise during May?
The average wind speed in Portlaoise during May is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Portlaoise
Explore the daily rainfall trends and prepare for Portlaoises May weather 💧
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