Killarney Weather in June
June in Killarney typically sees daytime highs of 18°C (64°F) and nighttime lows of 9°C (48°F). Rainfall is also possible this month, so it's worth packing an umbrella. It falls within the summer season.
Rainfall in Killarney in June
Analyzing past climate data, one can expect approximately 17 days of rain, averaging 96 mm (3.8 in). Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Killarney in June
Temperatures in Killarney in June top out at 18°C (64°F) and drop to 9°C (48°F) overnight. Summer occurs in June. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights fall to 9°C (48°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Killarney in June
You can expect a moderate amount of sunlight, with approximately 160 hours. This means a pleasant mix of sun and overcast.So this is a great month to visit if you prefer dry days with pleasant temperatures.
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 Killarney's climate page.
Killarney Temperature in June
Min Temperature
9°C (48°F)
Max Temperature
18°C (64°F)
Chance of Rain
55%
Precipitation
96 mm (3.8 in)
Rainy days
17 days
Humidity
76% *
Sunshine
160 hours *
Percentage Sunshine
36% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Killarney typically stay consistent throughout June, with daily highs averaging around 18°C (64°F). Nights are cool, with lows typically ranging from 10°C (50°F) to 12°C (54°F).
Average temperatures in June
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 June
Historical weather for Killarney in June
Browse day-by-day weather records for Killarney spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Killarney historical weather extremes in June
Based on 49 years of weather observations in Killarney between 1976 and 2025, these are the recorded extremes.
- The warmest day in June was on June 28, 2018, with a maximum of 29°C (84°F).
- On June 1, 1984, Killarney saw its coldest June day with temperatures maxing out at 11°C (52°F).
- The coldest night in June in Killarney was on June 22, 2018, with a minimum of 4°C (39°F).
Best Places in Ireland in June
Find out more about the weather in Ireland and which places have the best travel conditions in this month. See all of Ireland in June →
perfect weather
pleasant
tolerable
unpleasant
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What to Wear in Killarney in June
For Killarney in June, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Killarney in June
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 Killarney's climate page.
Temperature Rainfall Sunshine Humidity
See the full Killarney climate overview or explore weather in Ireland.
