Carrickfergus weather in January 2026

Q: How cold is it in Carrickfergus in January?

Daytime temperatures usually reach 7°C in Carrickfergus in January, falling to 2°C at night.

Q: How sunny is it in Carrickfergus in January?

There are normally 2 hours of bright sunshine each day in Carrickfergus in January - that's 20% of daylight hours.

Q: Is the sea cold around Carrickfergus in January?

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

Q: Does it rain in Carrickfergus in January?

There are usually 20 days with some rain in Carrickfergus in January and the average monthly rainfall is 102mm.

Expect daytime maximum temperatures of 7°C in Carrickfergus, Northern Ireland in January based on long-term weather averages. There are 2 hours of sunshine per day on average with 20 days with some rainfall and typically 102 mm of rainfall in the month.

7
7°C max day temperature
2
2 hours of sunshine per day
20
20 days with some rainfall
2
2°C min night temperature
8
8 hours of daylight per day
0
No heat & humidity
102
102 mm of monthly rainfall
0
No UV (Maximum) Index UV index
9
9°C sea temperature

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The January weather guide for Northern Ireland (Carrickfergus) 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)

More about the UK

How cold is it in Carrickfergus in January?

Daytime temperatures usually reach 7°C in Carrickfergus in January, falling to 2°C at night.

How sunny is it in Carrickfergus in January?

There are normally 2 hours of bright sunshine each day in Carrickfergus in January - that's 20% of daylight hours.

Is the sea cold around Carrickfergus in January?

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

Does it rain in Carrickfergus in January?

There are usually 20 days with some rain in Carrickfergus in January and the average monthly rainfall is 102mm.

Carrickfergus January sunrise & sunset times

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

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