Carlow weather in January 2026

Expect daytime maximum temperatures of 8°C in Carlow, Ireland in January based on long-term weather averages. There are 2 hours of sunshine per day on average with 19 days with some rainfall and typically 89 mm of rainfall in the month.

  • 8°C maximum daytime temperature in January in Carlow8
    8°C max day temperature
  • 2 hours of sunshine per day
  • 19 days with some rainfall in January in Carlow19
    19 days with some rainfall
  • 2°C minimum night-time temperature in January in Carlow2
    2°C min night temperature
  • 8 hours of daylight per day in January in Carlow8
    8 hours of daylight per day
  • No heat & humidity in January in Carlow0
    No heat & humidity
  • 89 mm monthly rainfall in January in Carlow89
    89 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in January in Carlow1
    1 (Low) UV index

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The January weather guide for Ireland (Carlow) 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 / mm)  |  Imperial (°F / inches)

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More about Ireland

How warm is it in Carlow in January?

Daytime temperatures usually reach 8°C in Carlow in January, falling to 3°C at night.

How sunny is it in Carlow in January?

There are normally 2 hours of bright sunshine each day in Carlow in January - that's 22% of daylight hours.

Is the sea cold around Carlow in January?

The average sea temperature around Carlow in January is 9°C.

Does it rain in Carlow in January?

There are usually 18 days with some rain in Carlow in January and the average monthly rainfall is 62mm.

Carlow January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 08:40 16:23
Friday, 16th January 2026 08:32 16:44
Saturday, 31st January 2026 08:12 17:11

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