Doolin Weather in May
May in Doolin typically sees daytime highs of 15°C (59°F) and nighttime lows of 9°C (48°F). Rainfall is also possible this month, so it's worth packing an umbrella.
Rainfall in Doolin in May
This month experiences about 18 days of rain according to historical data, averaging 99 mm (3.9 in). Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Doolin in May
May in Doolin sees highs of 15°C (59°F) and lows of 9°C (48°F) overnight. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With overnight lows of 9°C (48°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Doolin in May
The month experiences a moderate amount of sunlight, with 182 hours of sunshine. This provides a nice balance between sunshine and clouds.If your ideal day consists of dry skies and pleasant temperatures, May, July and August typically offer the best circumstances for Doolin.
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 Doolin's climate page.
Doolin Temperature in May
Min Temperature
9°C (48°F)
Max Temperature
15°C (59°F)
Chance of Rain
61%
Precipitation
99 mm (3.9 in)
Rainy days
18 days
Humidity
64% *
Sunshine
182 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Doolin typically stay consistent throughout May, with daily highs averaging around 15°C (59°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 Doolin in May
Browse day-by-day weather records for Doolin spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Doolin historical weather extremes in May
Our historical data for Doolin spans 1976 to 2026, revealing these weather extremes.
- The hottest May day on record in Doolin reached 31°C (88°F) (May 26, 2026).
- The lowest daytime temperature in May was 7°C (45°F), recorded on May 1, 1979.
- The lowest overnight temperature recorded in May was 0°C (32°F) (May 3, 1979).
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
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tolerable
unpleasant
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What to Wear in Doolin 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. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Doolin in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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 Doolin's climate page.
Temperature Rainfall Sunshine Humidity
See the full Doolin climate overview or explore weather in Ireland.
