Swansea weather in January 2023

  • 7°C maximum daytime temperature in January in Swansea7
    7°C max day temperature
  • 2 hours of sunshine per day
  • 20 days with some rainfall in January in Swansea20
    20 days with some rainfall
  • 3°C minimum night-time temperature in January in Swansea3
    3°C min night temperature
  • 8 hours of daylight per day in January in Swansea8
    8 hours of daylight per day
  • No heat & humidity in January in Swansea0
    No heat & humidity
  • 133 mm monthly rainfall in January in Swansea133
    133 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in January in Swansea1
    1 (Low) UV index
  • 8°C sea temperature in January in Swansea8
    8°C sea temperature

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The January weather guide for Wales (Swansea) 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.

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Metric (°C / mm)  |  Imperial (°F / inches)

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More about the UK

How cold is it in Swansea in January?

Daytime temperatures usually reach 7°C in Swansea in January, falling to 3°C at night.

How sunny is it in Swansea in January?

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

Is the sea cold around Swansea in January?

The average sea temperature around Swansea in January is 8°C.

Does it rain in Swansea in January?

There are usually 20 days with some rain in Swansea in January and the average monthly rainfall is 133mm.

Swansea January sunrise & sunset times

Browse the sunrise and sunset times for Swansea in January 2023. Select a month to view Swansea sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st January 2023 08:22 16:17
Monday, 16th January 2023 08:14 16:37
Tuesday, 31st January 2023 07:56 17:03

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