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Cardiff in March 2027: weather, temperatures and activities

Do you want to visit Cardiff in March 2027? Discover the usual weather at this time of year, average temperatures, the risk of rain, possible activities, and our opinion on whether March is a good month to travel to Cardiff, Wales.

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Is it worth visiting Cardiff in March?

Check your ideal travel criteria and see if the month of March suits your plans to go to Cardiff.
What matters most?
Cardiff in March 2027: weather, temperatures and activities

Page summary

Cardiff in March in summary
Very bad weather
Min 5°C Max 10°C 43 mm 2 day(s) 88% 51% 10°C 9.1 h/day 0.9 cm
Best activities in March
Cultural visits and heritageNightlifeGastronomy
Practical guidelines
Moderate crowds Low price 06:26 18:17
Hourly weather

Average weather in Cardiff in March 2027

Very bad weather

The weather in Cardiff in March 2027 is based on statistical data from previous years in March. This allows you to forecast the weather in March 2027. Check the hourly statistics (6:00, 9:00, 12:00, 15:00, 18:00, 21:00, 0:00 and 3:00), with the associated average temperature, for the whole month, and also, by navigating the tabs, for the beginning, middle and end of the month.

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Climate

Climate of Cardiff in March

Temperatures, precipitation, snow and monthly trends help better understand the climate in Cardiff in March.

Temperatures and rain in Cardiff in March

Average daily weather

Temperatures, rain and snow day by day in March, with a separate scale for snow.
Minimal Average Maximums Average rainfall Daily snow

Monthly temperatures

The month of March is highlighted to compare it quickly with the rest of the year.
Minimal Average Maximums

Monthly precipitation

The bar for the month under study is highlighted.
Average rainfall

About the climate in Cardiff in March

Seasonal normals

Seasonal normals of Cardiff in March

Check the seasonal normals in Cardiff in March and compare the weather with the previous month and the following month (or the months of your choice by selecting months in the form below): temperatures, wind, rain, humidity, climate rating...

Last updated: 12/01/2026
Reference period for normals: January 2009 - December 2025
Month analyzed
March
Weather data February March April
Outside temperature
Average temperature 6.3°C 7.5°C 9.3°C
Maximum temperature 8.1°C 10.1°C 12.5°C
Minimum temperature 4.5°C 4.9°C 6.2°C
Record maximum temperature 15.0°C
(2019)
19.0°C
(2012)
21.0°C
(2011)
Record low temperature -5.0°C
(2012)
-5.0°C
(2013)
-3.0°C
(2013)
Number of days at +30° 0 day(s)
(0%)
0 day(s)
(0%)
0 day(s)
(0%)
Number of days at +18° 0 day(s)
(0%)
0 day(s)
(0%)
2 day(s)
(7%)
Number of days below 0° 3 day(s)
(10%)
2 day(s)
(6%)
1 day(s)
(3%)
Sea temperature
Sea temperature (average) 9.0°C 8.5°C 9.9°C
Sea temperature (minimum) 7.6°C 7.7°C 8.4°C
Sea temperature (maximum) 10.2°C 9.6°C 11.3°C
Wind
Wind speed 28 km/h 25 km/h 21 km/h
Wind temperature 0.6°C 1.5°C 3.4°C
Precipitation (rain)
Precipitation 54.0 mm 43.3 mm 30.5 mm
Number of days with precipitation 14 day(s)
(48%)
13 day(s)
(42%)
11 day(s)
(37%)
Number of days with significant precipitation (greater than 5 mm) 4 day(s)
(14%)
2 day(s)
(8%)
2 day(s)
(6%)
Record precipitation in one day 17.5 mm
(2020)
33.9 mm
(2016)
11.9 mm
(2012)
Other weather data
Humidity 88% 88% 88%
Visibility 9.1 km 9.2 km 9.3 km
Cloud cover 58% 51% 45%
UV index 2 3 3
Daily sunshine 6h 9h 12h
Sunrise and sunset
Sunrise time 07h26 06h26 05h17
Sunset time 17h28 18h17 19h10
Day length 10h02 11h51 13h53
Our opinion on the climate in March
The review of Where And When very bad weather very bad weather fair weather
Activities and events

What to do in Cardiff in March?

Best activities in March
Cultural visits and heritageNightlifeGastronomy
Possible activities in March
Family and attractionsNature and landscapesBoat trip and cruise
Activities not recommended in March
Beach and swimming
Prices monitored continuously

The best offers right now to Cardiff

Each map is a real return flight offered from London, with its dates, airline and price. Choose one to find it on Skyscanner, or start your own search just below.

The cheapest

London Cardiff

From 19 Mar to 27 Mar 2027

£210 per person
8 days on site With stopover(s) Ryanair
Searching for the best deals…

Round-trip prices per person, recently collected from Skyscanner. Each offer has its own collection date and fares change constantly: the price displayed on Skyscanner is authoritative.

Observed weather

What was the weather like in Cardiff in March last?

Find the observed weather calendar in Cardiff in March 2025, with each day’s weather, temperatures and precipitation.

Mon. Tue. Wed. Thu. Fri. Sat. Sun.
1
Clear/Sunny
1°C8°C0.0 mm
2
Clear/Sunny
1°C7°C0.0 mm
3
Clear/Sunny
-1°C8°C0.0 mm
4
Clear/Sunny
0°C9°C0.0 mm
5
Clear/Sunny
2°C11°C0.0 mm
6
Cloudy
5°C11°C0.8 mm
7
Overcast
9°C12°C1.3 mm
8
Overcast
7°C15°C0.0 mm
9
Partly Cloudy
8°C14°C0.0 mm
10
Overcast
9°C11°C0.6 mm
11
Partly Cloudy
5°C8°C1.1 mm
12
Overcast
-1°C7°C0.2 mm
13
Overcast
0°C7°C0.0 mm
14
Patchy rain nearby
1°C7°C0.1 mm
15
Patchy rain nearby
1°C7°C0.1 mm
16
Cloudy
0°C7°C0.0 mm
17
Cloudy
4°C7°C0.0 mm
18
Clear/Sunny
2°C10°C0.0 mm
19
Partly Cloudy
1°C12°C0.0 mm
20
Cloudy
8°C17°C0.0 mm
21
Partly Cloudy
8°C15°C0.5 mm
22
Patchy rain nearby
8°C15°C1.2 mm
23
Patchy rain nearby
9°C13°C0.1 mm
24
Cloudy
4°C11°C0.0 mm
25
Cloudy
6°C13°C0.2 mm
26
Partly Cloudy
6°C14°C0.0 mm
27
Patchy rain nearby
7°C13°C0.2 mm
28
Overcast
9°C10°C1.3 mm
29
Patchy rain nearby
3°C10°C0.5 mm
30
Clear/Sunny
8°C13°C0.0 mm
31
Cloudy
5°C13°C0.0 mm
Nearby

Where to go near Cardiff in March?

Compare cities and destinations near Cardiff in March to find another travel stop, a nearby alternative or a logical continuation of your stay in Cardiff.

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Every month

Best time to visit Cardiff month by month

Compare the weather in Cardiff across all months of the year and open each detailed page to find the best time.

Frequently asked questions

Travel to to Cardiff in March: your frequently asked questions

Short answers to the questions we ask ourselves before booking for this month.

Not really. The weather conditions are unfavorable in Cardiff in March, which places this month 12th out of 12. A trip is still possible, but plan a flexible itinerary.

Expect an average of 10°C during the day and 5°C at night, with about 43 mm of precipitation spread over 2 rainy days.

The sea is only 9°C on average in March. Swimming is still possible, but it will be cool.

Expect about 9.1 hours of sunshine per day on average for this month.

This month is particularly suited to these activities: Cultural visits and heritage, Nightlife and Gastronomy. These are the ones for which the conditions on site are most favourable.

No: this month is in Moderate crowds, with a visitor index of 36/100. It is one of the quietest periods of the year.

No: rates are at level Low price, with a price index of 39/100. It’s one of the most budget-friendly months.

If your dates are flexible, the most favorable months in Cardiff are: June, July, August and September. Compare them before finalizing your departure.
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