April · United Kingdom
Best time to visit Cardiff in April Weather, crowds & prices
Weather in Cardiff in April
Average temperature 9°C, 64 mm of rain, about 12 days with 6+ hours of sunshine and 85% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
April score
6.8/10
Ranked #5 of 12 months
- Avg temp
- 9°C
- Rainfall
- 64 mm
- Humidity
- 85%
- Days with 6h+ sun
- 12
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
April in Cardiff scores 6.8/10 for sightseeing and cultural travel - an above-average month (#5 of 12). Expect around 9°C, 64 mm of rain, and roughly 12 days with 6+ hours of sunshine this month.
Cardiff mixes a Victorian arcades core, Cardiff Castle, and bay regeneration with easy access to Welsh coast and valleys. Best window: late spring through early autumn.
April in Cardiff — middling scores, decent value
April averages 9°C (48°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 64 mm, so plan one flexible day in three; you still get about 12 days with 6+ hours of sunshine and 13.6 hours of daylight.
It scores 6.8/10 here, 5th of 12 months, against 9/10 in the destination's best month.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.
Plan for mid-season pricing, with crowds are moderate.
Flexible dates? June scores 2.2 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Cardiff in April?
- In April, Cardiff averages 9°C, 64 mm of rain, and about 12 days with 6+ hours of sunshine. Its climate-comfort score is 6.8/10.
- Is April a good time to visit Cardiff?
- April earns a 6.8/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Cardiff in April?
- Expect about 64 mm of rain in April. Average humidity is 85% and there are about 12 days with 6+ hours of sunshine.
Curated in Cardiff
Tickets & experiences
Things to do in Cardiff
Cardiff, United Kingdom. Live activities and tours from GetYourGuide, matched to this destination.