Cardiff weather in January 2025

Expect 45°F daytime maximum temperatures in the shade with on average 2 hours of sunshine per day in Cardiff in January. Check more long-term weather averages for Cardiff in January before you book your next holiday to Wales in 2025/2026.

  • 45°F maximum daytime temperature in January in Cardiff45
    45°F max day temperature
  • 2 hours of sunshine per day
  • 20 days with some rainfall in January in Cardiff20
    20 days with some rainfall
  • 36°F minimum night-time temperature in January in Cardiff36
    36°F min night temperature
  • 8 hours of daylight per day in January in Cardiff8
    8 hours of daylight per day
  • No heat & humidity in January in Cardiff0
    No heat & humidity
  • 4.1 inches monthly rainfall in January in Cardiff4.1
    4.1 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in January in Cardiff1
    1 (Low) UV index
  • 46°F sea temperature in January in Cardiff46
    46°F sea temperature

More about Cardiff

Cardiff by month

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

Recommended for Wales

Warner Leisure Hotels: Last minute stays - free upgrades

  • Enjoy FREE upgrades on last minte breaks
  • Book 2, 3 & 4 night breaks at selected hotels
  • Travel before 31st May 2024 (inclusive)
Go to Warner Leisure Hotels deal >>

Expires at 23:59 on Friday 31st May 2024 · View all Warner Leisure Hotels offers

The January weather guide for Wales (Cardiff) 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 Wales

How cold is it in Cardiff in January?

Daytime temperatures usually reach 45°F in Cardiff in January, falling to 36°F at night.

How sunny is it in Cardiff in January?

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

How warm is the sea around Cardiff in January?

The average sea temperature around Cardiff in January is 46°F.

Does it rain in Cardiff in January?

There are usually 20 days with some rain in Cardiff in January and the average monthly rainfall is 4.1 inches.

Cardiff January sunrise & sunset times

Browse the sunrise and sunset times for Cardiff in January 2025. Select a month to view Cardiff sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 08:18 16:15
Thursday, 16th January 2025 08:10 16:35
Friday, 31st January 2025 07:52 17:01

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^