Killarney Weather in July
In Killarney, July brings pleasant daytime temperatures around 19°C (66°F), with nights cooling to 11°C (52°F). Expect quite a bit of rainfall this month.
Rainfall in Killarney in July
Typically, you can expect about 16 days of rain this month, with 101 mm (4 in) on average. 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 Killarney in July
In July, expect pleasant temperatures in Killarney, with highs of 19°C (66°F) and lows of 11°C (52°F) at night. Experience the summer season in July. Even when the weather is stable, mornings and evenings can still feel distinctly cool. With lows of 11°C (52°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest. On average, it has the peak temperatures of the year.
Sunshine in Killarney in July
The area experiences a moderate amount of sunshine, with approximately 140 hours of sunlight expected. This means a decent mix of sun and overcast.For Killarney itself, June generally stands out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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 July
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Killarney typically stay consistent throughout July, with daily highs averaging around 19°C (66°F). Nights are cool, with lows around 13°C (55°F).
Average temperatures in July
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 July
Historical weather for Killarney in July
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 July
Our historical data for Killarney spans 1976 to 2025, revealing these weather extremes.
- On July 22, 2021, temperatures climbed to 29°C (84°F), marking the warmest July day on record.
- The coldest July day was on July 4, 1978, with a maximum of 13°C (55°F).
- Killarney registered its coldest July night on July 11, 2020, with temperatures dropping to 6°C (43°F).
Best Places in Ireland in July
Find out more about the weather in Ireland and which places have the best travel conditions in this month. See all of Ireland in July →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Killarney in July
Comfortable temperatures call for an easy wardrobe in July. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Killarney in July
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.