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Cardiff weather in January 2021
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- 77°C max day temperature
- 2020 days with some rainfall
- 22°C min night temperature
- 88 hours of daylight per day
- 0No heat & humidity
- 104104 mm of monthly rainfall
- 11 (Low) UV index
- 88°C sea temperature
The January weather guide for Cardiff, Wales 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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How cold is it in Cardiff in January?
Daytime temperatures usually reach 7°C in Cardiff in January, falling to 2°C 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.
Is the sea cold around Cardiff in January?
The average sea temperature around Cardiff in January is 8°C.
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 104mm.
Cardiff sunrise & sunset times for January 2021
Browse the sunrise & sunset times for Cardiff in January 2021. Select a month to view Cardiff sunrise & sunset times for the next twelve months.
|Date||Sunrise times||Sunset times|
|Friday, 1st January 2021||08:18||16:15|
|Saturday, 16th January 2021||08:10||16:35|
|Sunday, 31st January 2021||07:52||17:01|
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Metric (°C / mm) | Imperial (°F / inches)
Where is warm in Wales in January for 2021/2022?
Below are average maximum temperatures at popular destinations in Wales in January. Select a destination to see more weather parameters.
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