Bundoran Weather in May
In Bundoran, May brings moderate daytime temperatures around 16°C (61°F), with nights cooling to 8°C (46°F). Expect quite a bit of rainfall this month.
Rainfall in Bundoran in May
On average, there are about 19 days with rain during this month, averaging 100 mm (3.9 in). Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.
Temperature in Bundoran in May
Daytime temperatures in Bundoran reach 16°C (61°F) in May, dropping to 8°C (46°F) at night. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With lows around 8°C (46°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July and August typically offer the best weather for Bundoran.
Bundoran Temperature in May
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Max Temperature
Chance of Rain
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Bundoran Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Bundoran - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Bundoran typically stay consistent throughout May, with daily highs averaging around 16°C (61°F). Nights are cold, with lows typically ranging from 6°C (43°F) to 9°C (48°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 records for Bundoran in May
Browse day-by-day weather records for Bundoran spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Bundoran historical weather extremes in May
Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in Bundoran.
- Bundoran recorded its highest May temperature of 26°C (79°F) on May 27, 2026.
- On May 1, 1996, Bundoran saw its coldest May day with temperatures maxing out at 6°C (43°F).
- The lowest overnight temperature recorded in May was -2°C (28°F) (May 4, 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 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 Bundoran 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.
What To Do in Bundoran in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling6/10 -
Walking6/10 -
Barbeque5/10 -
Camping4/10 -
Outdoor sports9/10
Bundoran 3-Day Forecast
See the full Bundoran 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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