30YearWeather
Killarney in January
Killarney weather in January - Ireland
🌧️Wet Season

Killarney Weather in January

Plan your January trip to Killarney, Ireland. Based on 30 years of NASA data, expect temperatures of 8°C (high) to 4°C (low), with 42% rain probability and 8 hours of daily sunshine. Pack rain gear for around 31 rainy days.

Avg High
8°C

Hottest around day 12

Avg Low
4°C

Coolest around day 8

Rainy Days
31days

42% avg rain chance

Sunshine
8hrs/day

Winter season

Killarney January Weather Calendar

Click any day to see detailed weather information

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

0

slots per day

Peak

Jun

Low

Mar

Monthly Traffic Distribution

3
Jan
3
Feb
3
Mar
5
Apr
7
May
7
Jun
6
Jul
6
Aug
5
Sep
6
Oct
5
Nov
6
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 January a Good Time to Visit Killarney?

👌Good option with minor considerations
Short Answer

Killarney during January 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

88% average humidity

Health precautions needed

Be aware of: Leptospirosis, Hantavirus, Parvovirus B19

Shoulder season - balanced conditions

43% of peak - good value with moderate crowds

Good For

  • 🏛️
    Cultural tourists

    Comfortable conditions for exploring museums and sites

  • 💼
    Business travelers

    Climate-controlled meetings unaffected by weather

Who Should Avoid

  • 👴
    Elderly travelers

    88% humidity creates difficult conditions

  • 📸
    Photographers

    79% cloud cover limits natural light opportunities

  • 💑
    Honeymoon couples

    Wedding score only 48/100 - better months available

930 observations30-year historical data
Confidence: 95%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Killarney in January averages 8°C with 42% precipitation probability."

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

Frequently Asked Questions: Killarney in January

What are the temperatures in Killarney in January?

Daytime highs average 8°C, nights drop to 4°C. Temperatures remain fairly consistent.

How many rainy days in Killarney in January?

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

What to wear in Killarney in January?

Warm winter clothing: insulated jacket, boots, gloves.

Is January peak season in Killarney?

This is shoulder season—moderate prices and manageable crowds.