What is the weather like in Killarney in December?

Expect temperatures between 5°C and 9°C with 46% average rain probability and about 8 hours of sunshine daily.

What is the weather like in Killarney in December?

Killarney in December scores 61/100 based on 30 years of climate data. Good option with minor considerations.

Who should visit Killarney in December?

December in Killarney is ideal for: Cultural tourists, Business travelers.

Killarney Weather in December | 30-Year Forecast

Avg High

9°C

Hottest around day 7

Avg Low

5°C

Coolest around day 13

Rainy Days

31days

46% avg rain chance

Sunshine

8hrs/day

Winter season

Essential Travel Info for Killarney

🗓️ Best Time to Visit 📖 Travel Guide 🍴 Food Guide

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

Travel Intelligence

Exclusive flight analytics & health data for Killarney

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Remote

3/ 100

Traffic Index

Off the beaten path

Peak Daily Arrivals

slots per day

Peak

Jun

Low

Mar

Monthly Traffic Distribution

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Traffic Level

Low Season

Key Connections

Dublin (DUB)

London Luton (LTN)

Hahn Frankfurt- (HHN)

Manchester (MAN)

Health & Safety Advisory

CDC travel health recommendations

6 Recommendations

COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Hepatitis A

Consider hepatitis A vaccination for most travelers. It is recommended for travelers who will be doing higher risk activities, such as visiting smaller cities, villages, or rural areas where a traveler might get infected through food or water. It is recommended for travelers who plan on eating street food.

Hepatitis B

Recommended for unvaccinated travelers younger than 60 years old traveling to Ireland. Unvaccinated travelers 60 years and older may get vaccinated before traveling to Ireland.

Measles

Cases of measles are on the rise worldwide. Travelers are at risk of measles if they have not been fully vaccinated at least two weeks prior to departure, or have not had measles in the past, and travel internationally to areas where measles is spreading.All international travelers should be fully vaccinated against measles with the measles-mumps-rubella (MMR) vaccine, including an early dose for infants 6–11 months, according toCDC’s measles vaccination recommendations for international travel.

Rabies

Dogs infected with rabies are not commonly found in Ireland.If rabies exposures occur while in Ireland, rabies vaccines are typically available throughout most of the country.Rabies pre-exposure vaccination considerations include whether travelers 1) will be performing occupational or recreational activities that increase risk for exposure to potentially rabid animals and 2) might have difficulty getting prompt access to safe post-exposure prophylaxis.Please consult with a healthcare provider to determine whether you should receive pre-exposure vaccination before travel.For more information, seecountry rabies status assessments.

Yellow Fever

CDC recommendations:Vaccine isnotrecommended.Country entry requirements:Vaccine isnotrequired.Updated April 23, 2025

Source: CDC Travelers' Health

View Complete Health Guide

Is December a Good Time to Visit Killarney?

👌Good option with minor considerations(61/100)

Short Answer

Rain dominates Killarney in December (46% probability, 3mm average). Prices are lower but outdoor activities require backup plans. Umbrella is essential.

Decision Factors

Vaccinations required

Yellow Fever

Very high humidity

88% average humidity

Frequent rainfall expected

46% chance of rain - pack waterproofs

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
88% humidity creates difficult conditions
📸
Photographers
80% cloud cover limits natural light opportunities

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Killarney in December averages 9°C with 46% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Killarney in December

What are the temperatures in Killarney in December?

Daytime highs average 9°C, nights drop to 5°C. Temperatures remain fairly consistent.

How many rainy days in Killarney in December?

Expect around 31 days with measurable rainfall. An umbrella is advisable.

What to wear in Killarney in December?

Warm winter clothing: insulated jacket, boots, gloves.

Is December peak season in Killarney?

This is off-peak season. Expect lower prices and fewer crowds.

Killarney Weather in December

Killarney December Weather Calendar

Essential Travel Info for Killarney

Travel Intelligence

Smart Flight Estimator

Flight Connectivity Analysis

Monthly Traffic Distribution

Key Connections

Health & Safety Advisory

COVID-19

Hepatitis A

Hepatitis B

Measles

Rabies

Yellow Fever

Is December a Good Time to Visit Killarney?

Decision Factors

Good For

Who Should Avoid

Related Guides

Frequently Asked Questions: Killarney in December

What are the temperatures in Killarney in December?

How many rainy days in Killarney in December?

What to wear in Killarney in December?

Is December peak season in Killarney?