Temperatures in March
It's cool in March in Cardiff with an average temperature of 12°C. Temperatures this month range from a low of 5°C to a high of 15°C. At night, you can expect temperatures between -8°C and 1°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Cardiff in March. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of March
The month of March starts in Cardiff with cold temperatures, averaging around 10°C during the day and nights close to -4°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Mid-March
By mid-March, the average daytime temperature rises to around 14°C, with nights close to -1°C. Not much precipitation expected during this period. It’s mostly dry with sunshine.
End of March
By the end of March, the average daytime temperature in Cardiff will be around 13°C, with nights close to 0°C. A shower might show up, but overall the weather will be dry and sunny.
Precipitation in March
In March, there is an average of 29 mm of precipitation, spread over 7 days. Of the total precipitation, about 19 cm falls as snow in March. The wind speed is around 4 Bft, mostly coming from the West.
The average precipitation chance is 21% per day this month. Though that seems low, there are also a few days with a higher chance of precipitation.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in March for Cardiff. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Cardiff in March |
London | ||
|---|---|---|---|
 Average Temperature |
12°C | 11°C | |
 High Temp |
15°C | 14°C | |
| Low Temp |
5°C | 8°C | |
 Total Precipitation |
29 mm | 55 mm | |
| Rainy Days |
7 days | 9 days | |
 Total Snowfall |
19 cm | 1,7 cm | |
| Snowy Days |
6 days | 1 day | |
February
UV index
The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Temperature records for Cardiff in March
With 23°C, Cardiff hit the highest temperature in the last 10 years in March 2017. The lowest daytime temperature in this month was -4°C in 2022. The extreme night temperatures ranged from a low of -20°C to a high of 6°C.
Check out the climate of Cardiff for all months and discover the best travel time
Daily Temperature in March in Cardiff
This chart shows the average daily temperatures, both day and night, for each day in March in Cardiff, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in March in Cardiff
The chart below shows the average daily precipitation in March for Cardiff, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for March, you can expect around 7 days of rain in Cardiff.
Daily Snowfall in March in Cardiff
This chart shows the average daily snowfall in March in Cardiff, measured in centimetres. The bottom of the chart shows the days of the month. The data is based on historical measurements and gives an idea of the average snowfall in March.
Daily UV Index in March in Cardiff
This chart shows the average daily UV index in March in Cardiff, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in March in Cardiff Over the Years
This chart shows the average temperature in March in Cardiff, measured in degrees Celsius, over the past years.
Total Precipitation in March in Cardiff Over the Years
This chart shows the average precipitation in March in Cardiff, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Snowfall in March in Cardiff per year
This chart shows the average snowfall in March in Cardiff, measured in centimetres, over the past years.
Daily climate in March for Cardiff
Click on a specific day in March for detailed info on the typical weather on that day in Cardiff. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in March in Cardiff
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Average Weather in Cardiff by Month
Click on a month below to see detailed weather info for Cardiff. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
