Weather in Cardiff in April 2025
- April is usually the driest month of the year in Cardiff
Average weather
Average temperature in Cardiff in April
The temperature in April is +55°F on average, with a range between a maximum of +64°F during the day and a minimum of +32°F at night.
The average maximum temperature goes down 6% by the end of the month, compared with the beginning of the month, from +59°F to +57°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:
Water temperature in Cardiff in April
Water in Cardiff in April is Cold. It varies from +47°F to +52°F, with an average of +49°F. This is almost similar to the air temperature, which averages +55°F.
In April, water temperatures are average relative to the rest of the year:
Can you swim in Cardiff in April?
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 | ||||||
| 74 mm | 63 mm | 72 mm | ||||
| Wind | ||||||
| 5 m/s | 4 m/s | 4 m/s | ||||
| Avg. water temperature | ||||||
| +47°F | +49°F | +52°F | ||||
| Humidity | ||||||
| 80% | 76% | 76% | ||||
| Air pressure | ||||||
| 1014 HPa | 1014 HPa | 1014 HPa | ||||
| Sunny days | ||||||
| 3 | 5 | 5 | ||||
| Cloudy days | ||||||
| 11 | 10 | 10 | ||||
| Rainy days | ||||||
| 16 | 15 | 15 | ||||
| Snowy days | ||||||
| 1 | 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 74 mm to 63 mm. It feels drier, as humidity decreases from 80% to 76%. Winds are calmer in comparison to March, going down from 5 m/s to 4 m/s on average. The good news is there are likely to be more sunny days in April, from 3 to 5.
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 5 m/s to 3 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 1979 (+53°F) and the highest in 2022 (+60°F). The driest year was 2010 with only 736 mm of rainfall, and the wettest year was 2022 with 1906 mm.
FAQ
Is April a good time to visit Cardiff?
Can you sunbathe in Cardiff in April?
Can you swim 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, 2023.
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.