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Killorglin Weather in May

With daytime temperatures of 16°C (61°F) and nighttime lows of 8°C (46°F), May in Killorglin brings moderate temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 108 mm (4.3 in) falls on average.

Rainfall in Killorglin in May

Past climate data indicates that roughly 18 days will see rain, totalling around 108 mm (4.3 in) for the month. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.

Temperature in Killorglin in May

In May, Killorglin gets moderate temperatures, with highs of 16°C (61°F). Nights cool to around 8°C (46°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights drop to 8°C (46°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Killorglin in May

The month brings about 180 hours of sunlight, offering a comfortable mix of sun and overcast.

Should you favor a climate that's both dry and comfortably warm, September typically offers the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Ireland, check out our Killorglin's climate page.

Killorglin Temperature in May

Min TemperatureMin Temperature 8°C (46°F)  
Max TemperatureMax Temperature 16°C (61°F)  
Chance of RainChance of Rain 61%  
PrecipitationPrecipitation 108 mm (4.3 in)  
Rainy daysRainy days 18 days  
HumidityHumidity 73% *  
SunshineSunshine 180 hours *  
Percentage SunshinePercentage Sunshine 42% *  
* Data from: Valentia, Ireland (37 KM, 23 Miles).

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Killorglin typically stay consistent throughout May, with daily highs averaging around 16°C (61°F). Nights are cool, with lows typically ranging from 7°C (45°F) to 10°C (50°F).

Average temperatures in May

Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in May

Historical weather for Killorglin in May

Browse day-by-day weather records for Killorglin spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Killorglin historical weather extremes in May

Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Killorglin.

  • The warmest day in May was on May 31, 1997, with a maximum of 27°C (81°F).
  • The coldest May day was on May 1, 1996, with a maximum of 7°C (45°F).
  • Killorglin registered its coldest May night on May 12, 2020, with temperatures dropping to 1°C (34°F).
  • The wettest day in May Killorglin was on May 6, 1978 with 70 mm (2.8 in) of precipitation.

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 →

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Legend perfect weather pleasant tolerable unpleasant poor
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 Killorglin in May

The weather can swing between comfortable and chilly in May, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Expect heavy rainfall, so bring good rain protection and waterproof bags. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Killorglin in May

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
5/10
Cycling
5/10
Walking
5/10
Camping
3/10
Outdoor sports
9/10

Select a Month

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Ireland, check out our Killorglin's climate page.

More climate data for Killorglin