Is Cardiff hot in January?
Days are typically cold at 8.7°C, while nights average 1.8°C.
United Kingdom · 1991–2020 normal
Cardiff in
January.
Typical January weather in Cardiff: 8.7°C by day, 1.8°C at night, 70 mm of rain over 12.2 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high8.7°C
Typical low1.8°C
Rain70 mm
Wet days12.2
In the year-round weather comparison, January scores 13 out of 100 (July leads the year at 81). Daylight is calculated as 8 h 18 from latitude 51.48°. Open-water sea temperature is 7.6°C (12 km from the place centre).
January at a glance
What is Cardiff like in January?
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Does it rain much?
The measured monthly average is 70 mm across about 12 wet days.
How much daylight is there?
There are about 8 h 18 between sunrise and sunset at mid-month, calculated from the place latitude.
Is January a good time to visit?
January ranks 11 of 12 in our weather comparison; July ranks first.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 2653822
- NOAA station
- UKE00107962 · YEOVILTON
- Station distance
- 64.8 km from the place centre
- Coverage
- Strong coverage · 29 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.
Next step
Choose your month.
Then plan the details.
The weather comparison for Cardiff is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
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