Cool
Average highs are around 10°C, so pack for cooler days.
March verdict
Cardiff, Wales, United Kingdom in March
Weather score19Poor
Poor for holiday weather
Average highs are around 10°C, so pack for cooler days. Sunshine averages 3.6h per day, so this is not one of the brighter months. Rainfall averages 79mm, which is relatively low for holiday planning.
March weather
Monthly averages
Temp
10°C
Rain
79mm
Sun
3.6h
Sea
7°C
Weather score
19
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 79mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 3.6h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 7°C, so the water can feel cool.
Map
Weather map
Compare Cardiff, Wales, United Kingdom with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
March10°C average high
March is on the cooler side of Cardiff's year, useful if you prefer less intense daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
March79mm average rain
March sits near Cardiff's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsFebruary to August
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
March3.6 hours average sun
March sits close to Cardiff's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
March7°C average sea
March is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJuly to September
Sea temperatures are usually near 17°C in this stretch, so swimming comfort is at its strongest.
Weather score
March19 weather score
March scores below Cardiff's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.
