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Ballina Weather in May
Thinking of visiting Ballina in May? Expect moderate temperatures reaching 15°C (59°F) during the day, dropping to 8°C (46°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in Ballina in May
Typically, about 19 days will experience rainfall, with an average of 97 mm (3.8 in) for the month. 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 Ballina in May
May in Ballina sees highs of 15°C (59°F) and lows of 8°C (46°F) overnight. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. At 8°C (46°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.
Sunshine in Ballina in May
The area enjoys a balanced 157 hours of sunlight, ensuring it's neither too overcast nor too sunny.If you're a fan of comfortable temperatures and drier conditions, May is a great time to visit.
Ballina Temperature in May
Min Temperature
8°C (46°F)
Max Temperature
15°C (59°F)
Chance of Rain
62%
Precipitation
97 mm (3.8 in)
Rainy days
19 days
Humidity
73% *
Sunshine
157 hours *
Percentage Sunshine
39% *
* Data from: Claremorris, Ireland (45 KM, 28 Miles).
Ballina Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Ballina - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Ballina typically stay consistent throughout May, with daily highs averaging around 15°C (59°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 Ballina in May
Browse day-by-day weather records for Ballina spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Ballina historical weather extremes in May
The extremes listed below come from historical weather data collected in Ballina from 1976 through 2026.
- Ballina recorded its highest May temperature of 25°C (77°F) on May 27, 2026.
- Ballina experienced its chilliest May day on May 2, 1979, reaching only 5°C (41°F).
- The lowest overnight temperature recorded in May was 0°C (32°F) (May 14, 1977).
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
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 Ballina in May
Pack for changing conditions in Ballina in May. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Prepare for significant rainfall with proper waterproof clothing and shoes. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
What To Do in Ballina in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming5/10 -
Cycling6/10 -
Walking6/10 -
Camping4/10 -
Outdoor sports9/10
Ballina 3-Day Forecast
More climate data for Ballina
Temperature Rainfall Sunshine Humidity
See the full Ballina 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) Bucket list
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