Cardiff weather in January (Wales, United Kingdom)
How's the weather trend in Cardiff, the United Kingdom as January approaches? Here’s a detailed forecast of the month’s weather patterns.
Temperatures
In January, Cardiff tends to experience low temperatures and high rainfall. January is known for being in the winter season. Throughout the day, temperatures can rise to about 9°C. At night, they generally drop to 4°C. Experience the mildest weather of the year in January.
Precipitation
Cardiff in January usually receives high rainfall, averaging around 105 mm for the month. Expect around 20 days of rain based on historical data.
Average sunshine
The month is characterized by fewer sunny days, with roughly 53 hours hours of sunshine. Ideal for those who prefer a cooler, cloudier climate.
Average windspeed
Wind speeds average 5 m/s during January. At this speed, gentle to moderate breezes make small trees sway and the wind creates whitecaps on water bodies. Daily variations range from moderate winds to stronger breezes, creating excellent conditions for sailing, kite flying and wind sports.
Average water temperature in January
With a water temperature of 8°C, the water feels more like an ice bath than a swimming spot. Most people would find these conditions far too harsh, and even a quick dip could be uncomfortable without proper thermal protection.January in Cardiff has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Select a Month of Interest
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United Kingdom, check out our Cardiff's climate page.
Cardiff, monthly averages in January
Min Temperature
4°C
Max Temperature
9°C
Water Temperature
8°C
Chance of Rain
68%
Precipitation
105 mm
Rainy days
20 days
Humidity
89%
Windspeed
5 m/s
Sunshine
53 hours
Percentage Sunshine
20%
Where to go in the United Kingdom in January
Find out more about the weather in the United Kingdom and which places have the best travel conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
Select a Month of Interest
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United Kingdom, check out our Cardiff's climate page.
So, what should you wear in this month?
Wear a base layer in cold weather; this is the #1 thing you can do to increase your overall body temperature. With a water temperature of around 8°C there is no need to bring your swimwear.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Interested in more climate information?
This site provides you with all the information you need about the climate in Cardiff.
Our site offers climate and forecast data for every country in the world. Are you going to the United Kingdom? On this website you can find historical weather averages for many cities in the United Kingdom. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.
