October 4 sees frequent showers in Killarney. Historical data shows a 40% chance of rain, so pack accordingly. Temperatures average 15°C. As it's peak season for Killarney, we recommend booking your stay well in advance to secure the best rates.
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Essential Travel Info for Killarney
Currency
EUR
€ Euro
Language
English
+1 more
Driving
Left side
Connect
As of May 2021, Killarney has 4G from al...
Safety
Very High Safety
GPI: 1.288
Killarney Weather Forecast for October 4
"Mild & Comfortable. Expect average highs of 14.9°C. 40% chance of rain."
What to Wear in Killarney in October
Based on historical data for October 4, Killarney typically experiences temperatures between 9.8°C and 14.9°C. We recommend packing light jacket, long pants, umbrella to stay comfortable. With a 40% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Killarney
Smart Suitcase
- Light Jacket
- Long Pants
- Umbrella
Average High
14.9°C
Daytime Peak
Average Low
9.8°C
Nighttime Low
Feels Like
14.9°C
🌤️ Feels accurate
Rain Chance
40%
Avg 3mm if it rains
Cloud Cover
78%
Light drizzle
Pressure
1012.2 hPa
High volatility
Killarney Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 80% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 15 for extended outdoor time
Type I-II
🔴 100 min to burn
Type III-IV
🟡 150 min to burn
Type V-VI
🟢 250 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
12.4°C
Pleasant
Heat Stress
Low
No heat warning
😐 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Ireland
Flight Traffic
High
86/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~6
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Killarney
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:44
☀️ Noon
12:28
🌇 Sunset
18:11
⏱️ Daylight
11h 26m
Wind Speed
21.4 km/h
Moderate wind
Sunshine
5.8 hrs
Direct Sun (Cloud-free)
Humidity
85%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Killarney
Smart Flight Estimator
Airport-to-Airport Logistics
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Add your home location in settings to see airport details.
Travel Health & Safety in Killarney
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
Tourist Crowds
🟡 Busy
Price Level
💰💰 Moderate
Health & Wellbeing
Meteo-Health Forecast
Rapid pressure changes detected. High risk for meteosensitive people.
Mild discomfort possible for arthritic conditions.
Fish are active due to pressure changes.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Zero seismic activity detected in 30 years.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Killarney on October 4 averages 14.9°C with a 40% precipitation probability. Wedding/Outdoor Event Score: 85/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Killarney Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
October 11
14.6°C • 28% rain
Score
89
October 3
15°C • 38% rain
Score
87
October 10
14.8°C • 30% rain
Score
87
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (October 4) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Killarney Worth Visiting on October 4?
Planning a trip to Killarney on October 4? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 14.9°C with a 40% historical precipitation risk.
✈️ Travel Logistics: Approximately 6 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 6 vaccinations are recommended for Ireland, including COVID-19.
📊 Historical Extremes: The hottest October 4 recorded in the last 30 years saw temperatures hit 16.9°C in 2023, while the coldest dropped to 7.7°C in 2025.