30YearWeather
Killarney
When to avoid visiting Killarney, Ireland
Seasonal Comparison

Least Favorable Months in Killarney

Based on 30 years of NASA satellite data, Killarney enjoys relatively good weather year-round. However, if you're comparing months, October, December, January are the least favorable — though still perfectly visitable.

October61/100December61/100January62/100

Good news: Killarney has no truly bad months!

With a score of 61/100, even October(the "worst" month) is still a reasonable time to visit. These months are simply the least favorable compared to other months in Killarney, not objectively bad. Many travelers enjoy visiting during these periods and benefit from lower prices and fewer crowds.

Why October is the Least Favorable (But Still Okay) Time to Visit Killarney

Is October a Good Time to Visit Killarney?

👌Good option with minor considerations
Short Answer

Killarney during October means embracing the rain (42%, 3mm typical). Some activities may be affected, but the lush landscapes and fewer tourists can be rewarding.

Decision Factors

Vaccinations required

Yellow Fever

Very high humidity

86% average humidity

Peak tourist season

86% of annual peak - expect crowds and high prices

Health precautions needed

Be aware of: Leptospirosis, Hantavirus, Parvovirus B19

Good For

  • 🏛️
    Cultural tourists

    Comfortable conditions for exploring museums and sites

  • 💼
    Business travelers

    Climate-controlled meetings unaffected by weather

Who Should Avoid

  • 💰
    Budget travelers

    Peak season means premium prices everywhere

  • 👴
    Elderly travelers

    86% humidity creates difficult conditions

  • 📸
    Photographers

    80% cloud cover limits natural light opportunities

930 observations30-year historical data
Confidence: 95%

Key Challenges During These Months

Challenging Conditions

Weather conditions may limit outdoor activities and sightseeing options

Months to Avoid: Detailed Breakdown

Worst61

October

Very high humidity, Peak tourist season

View details
2nd Worst61

December

Very high humidity, Peak tourist season

View details
3rd Worst62

January

Very high humidity

View details

Looking for the Best Time Instead?

Discover the optimal months to visit Killarney with ideal weather conditions, fewer crowds, and better prices.

Best Time to Visit Killarney

Frequently Asked Questions

When should I avoid visiting Killarney?

Based on 30 years of data, the most challenging months are October, December, January. Primary concerns include: very high humidity, peak tourist season.

What is the worst month to visit Killarney?

October is typically the most challenging month, scoring only 61/100 in our travel conditions analysis.

Can I still visit during these months?

Yes, many travelers still visit during challenging months. Come prepared with appropriate gear, flexible bookings, and backup plans. Lower prices and fewer tourists can offset the weather challenges.

Are hotels cheaper during these months?

Often yes. Low season typically means reduced hotel rates, easier reservations, and fewer crowds at popular attractions. Some travelers prefer this trade-off.