Killarney weather in January 2026

Expect daytime maximum temperatures of 46°F in Killarney, Ireland in January based on long-term weather averages. There are 2 hours of sunshine per day on average with 23 days with some rainfall and typically 6.3 inches of rainfall in the month.

  • 46°F maximum daytime temperature in January in Killarney46
    46°F max day temperature
  • 2 hours of sunshine per day
  • 23 days with some rainfall in January in Killarney23
    23 days with some rainfall
  • 37°F minimum night-time temperature in January in Killarney37
    37°F min night temperature
  • 8 hours of daylight per day in January in Killarney8
    8 hours of daylight per day
  • No heat & humidity in January in Killarney0
    No heat & humidity
  • 6.3 inches monthly rainfall in January in Killarney6.3
    6.3 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in January in Killarney1
    1 (Low) UV index

More about Killarney

Killarney by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Ireland

National Holidays: Top offers on coach holidays

  • Find top offers on coach holidays in the UK & Europe
  • Book theatre trips, tours, seaside holidays & city breaks
  • Filter offers by holiday type, destination, price & more
Go to National Holidays deal >>

View all National Holidays offers

The January weather guide for Ireland (Killarney) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

Back to top

More about Ireland

How warm is it in Killarney in January?

Daytime temperatures usually reach 46°F in Killarney in January, falling to 37°F at night.

How sunny is it in Killarney in January?

There are normally 2 hours of bright sunshine each day in Killarney in January - that's 19% of daylight hours.

Does it rain in Killarney in January?

There are usually 23 days with some rain in Killarney in January and the average monthly rainfall is 6.3 inches.

Killarney January sunrise & sunset times

Browse the sunrise and sunset times for Killarney in January 2026. Select a month to view Killarney sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 08:46 16:37
Friday, 16th January 2026 08:39 16:58
Saturday, 31st January 2026 08:20 17:24

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^