Cardiff weather in March (Wales, United Kingdom)
What does the weather outlook for Cardiff, the United Kingdom look like in March? Find out what kind of weather to expect during this month.
Temperatures
Typically, March in Cardiff includes low temperatures and moderate rainfall. Throughout the day, temperatures typically settle at around 11°C. But by evening, they drop to around 5°C.
Precipitation
Cardiff in March usually receives moderate rainfall, averaging around 76 mm for the month. Experience the driest month of the year, where clear skies and little rain are the norms. It's a great time to be outdoors. Historically, approximately 18 days this month are expected to have rain.
Average sunshine
The area enjoys a balanced 119 hours of sunlight, ensuring it's neither too overcast nor too sunny.
Average windspeed
March has wind speeds averaging 5 m/s. You can expect gentle to moderate winds that move small trees and make flags wave steadily on typical days. Conditions typically range from light breezes to moderate winds.
Average water temperature in March
You won't be able to swim during this month since the water temperature is only 7°C. These frigid conditions make the water feel biting cold against your skin.For Cardiff itself, July and August generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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 March
Where to go in the United Kingdom in March
Find out more about the weather in the United Kingdom and which places have the best travel conditions in this month.





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?
Plan on layering your clothes. Some days or part of the day it will be nice and warm and some moments it can be a bit chilly. Bring a rain jacket in case it rains during your stay. With a water temperature of around 7°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.