Weather in Cardiff in April 2025
Average weather
Average temperature in Cardiff in April
Going from a maximum of +68°F during the day to a minimum of +30°F during the night, the temperature in April averages around +57°F.
The average maximum temperature goes up 29% by the end of the month, compared with the beginning of the month, from +48°F to +59°F.
Is Cardiff warm or cold in April?
Cardiff is typically mild in April.
Maximum temperatures go up compared to the previous month from +50°F to +55°F. The minimum temperature also goes up from +41°F to +43°F.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how April is compared to other months in Cardiff:
Climate in Cardiff in April
| March | April | May | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +50°F | +55°F | +61°F | ||||
| Min. temperature | ||||||
| +21°F | +28°F | +32°F | ||||
| Max. temperature | ||||||
| +68°F | +77°F | +81°F | ||||
| Rainfall | ||||||
| 72 mm | 62 mm | 72 mm | ||||
| Wind | ||||||
| 4 m/s | 4 m/s | 4 m/s | ||||
| Humidity | ||||||
| 80% | 76% | 75% | ||||
| Air pressure | ||||||
| 1013 HPa | 1013 HPa | 1014 HPa | ||||
| Sunny days | ||||||
| 4 | 6 | 6 | ||||
| Cloudy days | ||||||
| 18 | 17 | 17 | ||||
| Rainy days | ||||||
| 9 | 7 | 8 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
April weather is still as ok as in March. It’s getting warmer as April arrives. The average maximum temperature goes up from +50°F to +55°F during the day. As April arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 72 mm to 62 mm. It feels drier, as humidity decreases from 80% to 76%. The average wind speed doesn’t change much during April, staying around 4 m/s. The good news is there are likely to be more sunny days in April, from 4 to 6.
May brings much the same weather, it remains ok.
Wind
The average wind speed is 4 m/s getting up to 9 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Cardiff is gradually decreasing during April, going from 4 m/s to 2 m/s over the course of the month.
Rain
How was the weather last April in Cardiff?
Climate Change Over the Years
The climate in Cardiff in April has not changed that much over the last 43 years.
The average temperature was the lowest in 1986 (+50°F) and the highest in 2020 (+65°F). The driest year was 2011 with only 9 mm of rainfall, and the wettest year was 2000 with 155 mm.
FAQ
Is April a good time to visit Cardiff?
Can you sunbathe in Cardiff in April?
Is Cardiff rainy in April?
Is it sunny in Cardiff in April?
Other cities in United Kingdom
Monthly weather in Cardiff
Source of the data
For this page, we’ve looked at the typical weather in Cardiff, based on historical hourly weather data from January 1, 1979, to December 31, 2022.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.