January 23 is generally a great time to visit Killarney. While there is a slight chance of rain (39%), showers are usually brief. Expect comfortable 9°C weather. You'll enjoy Killarney with reasonable crowd levels and competitive accommodation options.
View the full calendar
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 January 23
"Mild & Comfortable. Expect average highs of 8.8°C. 39% chance of snow."
What to Wear in Killarney in January
Based on historical data for January 23, Killarney typically experiences temperatures between 4°C and 8.8°C. We recommend packing heavy coat, scarf, gloves along with other layers to stay comfortable. With a 39% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Killarney
Smart Suitcase
- Heavy Coat
- Scarf
- Gloves
- Umbrella
Average High
8.8°C
Daytime Peak
Average Low
4°C
Nighttime Low
Feels Like
5.9°C
❄️ Slightly colder
Snow Chance
39%
Avg 2.5mm if it snows
Snowfall
0.1 cm
~39% chance
Pressure
1014.9 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 94% 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
🔴 400 min to burn
Type III-IV
🟡 600 min to burn
Type V-VI
🟢 1000 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
7.1°C
Dry air
Heat Stress
Low
No heat warning
😕 Best outdoor time:
Midday (11 AM - 3 PM) when warmest
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Ireland
Flight Traffic
Moderate
43/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~3
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Killarney
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
08:32
☀️ Noon
12:50
🌇 Sunset
17:09
⏱️ Daylight
8h 37m
Wind Speed
19.5 km/h
Gentle breeze
Sunshine
3.6 hrs
Direct Sun (Cloud-free)
Humidity
89%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Killarney
Smart Flight Estimator
Airport-to-Airport Logistics
unlock smart flight estimates
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
🟢 Moderate
Price Level
💰💰 Moderate
Health & Wellbeing
Meteo-Health Forecast
Rapid pressure changes detected. High risk for meteosensitive people.
Weather unlikely to affect joint pain.
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 January 23 averages 8.8°C with a 39% precipitation probability. Wedding/Outdoor Event Score: 49/100."
— 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
January 26
8.8°C • 42% rain
Score
52
January 16
8.6°C • 41% rain
Score
51
January 17
8.5°C • 40% rain
Score
51
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (January 23) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Killarney Worth Visiting on January 23?
Planning a trip to Killarney on January 23? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 8.8°C with a 39% historical precipitation risk.
✈️ Travel Logistics: Approximately 3 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 January 23 recorded in the last 30 years saw temperatures hit 13.1°C in 2024, while the coldest dropped to -2.1°C in 2021.