Last updated: March 17, 2025
April in Cardiff, United Kingdom, brings a refreshing mix of springtime weather that can keep you on your toes. With maximum temperatures reaching up to 20°C (69°F) and an average of 9°C (49°F), the days begin to warm up, though the minimum temperature can dip to a brisk -1°C (30°F) at night. Expect precipitation to be a common companion with 57 mm (2.2 in) of rain spread over 10 days, contributing to a humidity level of 84% that adds to the chill in the air. As the city shakes off winter's chill, prepare for a vibrant month of change in the heart of Wales!
As April arrives in Cardiff, the city begins to shake off the chill of winter, with temperatures gradually warming up. The month sees a significant rise in daily averages, settling at 9°C (49°F), while high temperatures reach a pleasant 20°C (69°F). Early spring in Cardiff experiences milder nights, with minimums hovering around -1°C (30°F), marking a notable increase compared to the preceding months. This transition not only heralds the end of the frosty mornings but also hints at the sunny days to come in May and beyond. With blossoms blooming and temperatures rising, April offers a refreshing taste of spring that entices both locals and visitors to embrace the outdoors.
In April, Cardiff experiences a noticeable dip in precipitation, with 57 mm (2.2 in) of rain falling over 10 days, making it one of the driest months of the year. This decrease follows a wet March, which totaled 97 mm (3.8 in) across 15 days, showcasing a shift toward more moderate spring conditions. As the city shakes off the heavier rainfall of winter months—January and February both exceeding 75 mm—April offers a welcome respite, hinting at the blossoming of spring and the promise of sunnier days ahead. This trend of reduced rainfall continues into May, where precipitation rises slightly but remains manageable at 79 mm (3.1 in), encouraging outdoor activities as the season unfolds.
April brings a noticeable shift in humidity levels to Cardiff, United Kingdom, dipping to 84% from the lingering chill of winter months. This decline reflects a gradual transition towards the warmer seasons, as the city begins to shed its heavier, damp air. Following the consistent 88% humidity in January and February, and a slight decrease to 86% in March, April's drop suggests a refreshing breath of spring. As the month progresses into May, humidity is projected to further lower to 80%, signaling the approach of summer and hinting at a more comfortable climate ahead. Overall, April stands as a pivotal point in Cardiff's yearly humidity cycle, marking the onset of lighter, more vibrant atmospheres.
In April, Cardiff experiences a noticeable shift in UV exposure, with the UV Index rising to 6, categorizing it as high. This increase marks a transition from the moderate conditions of March, reflecting the approach of brighter spring days. With a reduced burn time of just 25 minutes, it’s essential for residents and visitors to be mindful of sun safety practices. As April sets the stage for even higher UV levels in May, taking precautions against sunburn becomes increasingly important. For more details on UV levels throughout the year, visit the comprehensive guide on Cardiff UV Index.
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April emerges as a vibrant turning point in Cardiff, showcasing 303 hours of sunshine that heralds the full arrival of spring. This significant leap from 192 hours in March marks a notable transition as days grow longer and brighter. As the landscape bursts into bloom, Cardiff's residents eagerly embrace the shift, stepping out to enjoy the outdoors. Following April, the sunshine only intensifies, peaking in July with 399 hours, creating a sunny crescendo that invites both locals and visitors to revel in the warmth. This upward trend continues until August, before gradually tapering off in the autumn months. Cardiff's April sunshine is a cherished precursor to the summer splendor, setting the stage for a season filled with light and joy.
As April unfolds in Cardiff, the likelihood of experiencing sunny weather significantly rises to 52%, marking a notable peak compared to previous months. This sharp increase from 29% in March suggests a refreshing shift as spring takes hold, providing residents and visitors alike with a welcome opportunity to bask in the warming rays of the sun. While the sunnier days of summer are just around the corner, April's improved chances for sunshine demonstrate a promising transition towards more favorable weather, making it an ideal time to enjoy outdoor activities and the blossoming beauty of the season.
As April unfolds in Cardiff, the city basks in 13 hours of daylight, marking a significant leap from the 11 hours witnessed in March. This upward trend continues as spring progresses, with daylight increasing more noticeably in the following months. The gradual lengthening of days shows a movement toward brighter skies and longer evenings, heralding the arrival of warmer weather. By May, the daylight stretches to 15 hours, allowing for more outdoor activities and vibrant community life. This transition not only brightens the landscape but also uplifts spirits, as the residents eagerly embrace the longer days that signal the onset of summer.
As April unfolds in Cardiff, the city experiences a refreshing change in its wind patterns, with an average wind speed of 3.7 m/s (8 mph), marking a notable dip from the gustier months of winter and early spring. This decreased wind speed suggests stability as the chill of January's 5.1 m/s and February's 5.7 m/s gives way to the calm of late spring. Interestingly, while the breezes lighten during April, they set the stage for the gentle winds of May, which climb back to 4.7 m/s (10 mph). Overall, April's mild winds create an inviting atmosphere, perfect for enjoying Cardiff's vibrant outdoor spring events while heralding the transition towards warmer, more dynamic weather in the months ahead.
The weather in Cardiff changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of April's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Cardiff and find detailed weather information for every month.
April weather in Cardiff typically features milder temperatures, with lows around -1°C (30°F) and highs reaching up to 20°C (69°F), averaging around 9°C (49°F). In contrast, January is colder, with minimum temperatures dropping to -3°C (27°F) and maximums only reaching 13°C (56°F), averaging 6°C (42°F). While April sees slightly less precipitation at 57 mm (2.2 in) over about 10 days, January experiences more rain, accumulating 75 mm (3.0 in) across 12 days. Both months have high humidity levels, with April at 84% and January slightly higher at 88%. For more detailed information, you can visit Cardiff weather in January.
April offers a more moderate climate compared to February, with temperatures ranging from a minimum of -1°C (30°F) to a maximum of 20°C (69°F) and an average of 9°C (49°F). In contrast, February experiences cooler temperatures, with minimums of -4°C (26°F), an average of 6°C (44°F), and maximums reaching 15°C (60°F). Additionally, April sees less precipitation, measuring 57 mm (2.2 in) over about 10 days, compared to February's 101 mm (4.0 in) over 14 days. Humidity levels also reflect a slight difference, with April at 84% and February slightly higher at 88%. For more detailed information, check out Cardiff weather in February.
April weather shows a noticeable improvement compared to March, with average temperatures rising from 7°C (45°F) in March to 9°C (49°F) in April. The maximum temperature also increases, reaching 20°C (69°F) in April, compared to 18°C (65°F) in March. Additionally, April experiences less precipitation at 57 mm (2.2 in) over 10 days, while March recorded a higher amount of 97 mm (3.8 in) over 15 days. Humidity levels remain relatively close, with April at 84% and March at 86%. For a more detailed comparison of March weather, check out Cardiff weather in March.
April and May present noticeable differences in weather patterns. In April, temperatures range from a chilly minimum of -1°C (30°F) to a more pleasant average of 9°C (49°F), peaking at 20°C (69°F). The month sees around 57 mm (2.2 in) of precipitation over 10 days, with humidity levels at a high 84%. In contrast, May experiences warmer conditions, with minimum temperatures rising to 2°C (35°F) and an average of 12°C (54°F), reaching maximums of 24°C (76°F). However, May also has increased precipitation at 79 mm (3.1 in) over 12 days, while humidity dips slightly to 80%. For a more detailed look at the weather in May, check out Cardiff weather in May.
April weather in Cardiff is characterized by cooler temperatures, with minimums dropping to -1°C (30°F) and averaging around 9°C (49°F). Precipitation is moderate, totaling 57 mm (2.2 in) over 10 days, and humidity levels are relatively high at 84%. In contrast, June brings milder and warmer conditions, with minimum temperatures starting at 7°C (45°F) and averaging 15°C (60°F), peaking at a pleasant 27°C (82°F). Rainfall increases to 84 mm (3.3 in) over 12 days, while humidity slightly decreases to 80%. For a closer look at June weather specifics, you can check Cardiff weather in June.
April and July present contrasting weather conditions, showcasing the transition from spring to summer. In April, temperatures range from a chilly minimum of -1°C (30°F) to a pleasant maximum of 20°C (69°F), with an average temperature of 9°C (49°F). The month sees about 57 mm (2.2 in) of precipitation over approximately 10 days, coupled with high humidity at 84%. In stark contrast, July boasts warmer temperatures, with minimums around 9°C (48°F), averages of 17°C (63°F), and maximums reaching 28°C (82°F). Rainfall increases slightly to 85 mm (3.3 in) over about 12 days, but humidity drops to a more comfortable 70%. For a closer look at what July has to offer, check out Cardiff weather in July.
April and August present quite a contrast in weather. In April, temperatures range from a chilly minimum of -1°C (30°F) to a pleasant maximum of 20°C (69°F), with an average of 9°C (49°F). The month experiences about 57 mm (2.2 in) of precipitation over approximately 10 days, along with high humidity at 84%. In contrast, August features warmer temperatures, with a minimum of 9°C (48°F) and a maximum of 29°C (84°F), averaging 17°C (62°F). Precipitation increases to 97 mm (3.8 in) over 13 days, but humidity is lower at 73%. This shift indicates a transition from the cool, damp conditions of early spring to the warmer, more humid days of late summer. For a closer look at what to expect during August, refer to Cardiff weather in August.
April and September in Cardiff exhibit distinct weather patterns. In April, temperatures range from a chilly minimum of -1°C (30°F) to a more comfortable maximum of 20°C (69°F), averaging around 9°C (49°F). The month sees about 57 mm (2.2 in) of precipitation over roughly 10 days, coupled with high humidity levels at 84%. In contrast, September offers milder temperatures, with a minimum of 4°C (40°F) and a maximum of 27°C (81°F), averaging 15°C (59°F). Rainfall increases slightly to 81 mm (3.2 in) spread over 12 days, while humidity decreases to 79%. For more detailed insights into September weather, check Cardiff weather in September.
April and October offer distinct weather experiences, reflecting the transition from early spring to autumn. In April, temperatures range from a chilly minimum of -1°C (30°F) to a pleasant maximum of 20°C (69°F), with an average of 9°C (49°F). The month sees about 57 mm (2.2 in) of precipitation over approximately 10 days, and humidity levels hover at 84%.
In contrast, October boasts slightly warmer temperatures, with a minimum of 1°C (33°F) and a maximum reaching 21°C (70°F), averaging around 12°C (54°F). However, it is much wetter, receiving approximately 135 mm (5.3 in) of rain over about 16 days, and higher humidity at 89%. This makes October a notably wetter and more humid month compared to the milder and drier April. For more details, you can check Cardiff weather in October.
April and November share similar minimum temperatures of around -1°C (30°F) and an average temperature of approximately 9°C (48-49°F), making both months relatively cool. However, April tends to be slightly warmer with a maximum temperature reaching up to 20°C (69°F), while November's peak is a cooler 16°C (61°F). Precipitation levels are notably higher in November, with 99 mm (3.9 in) of rain over about 15 days, compared to April's 57 mm (2.2 in) over 10 days. Additionally, November's humidity is higher at 90%, compared to April's 84%. For more detailed insights, check out Cardiff weather in November.
April and December exhibit contrasting weather patterns. In April, temperatures range from a chilly -1°C (30°F) to a pleasant maximum of 20°C (69°F), with an average of 9°C (49°F). The month sees about 57 mm (2.2 in) of precipitation over roughly 10 days, contributing to a relatively lower humidity of 84%. In contrast, December experiences colder temperatures, with a minimum of -4°C (26°F) and a maximum of 13°C (56°F), averaging around 7°C (45°F). This month is also much wetter, receiving 130 mm (5.1 in) of rain over 17 days, resulting in higher humidity levels of 89%. For more specific insights about December weather, you can refer to Cardiff weather in December.
April in Cardiff is a month of transformation, where the lingering chill of winter begins to yield to the promise of spring. With average temperatures rising, it becomes noticeably milder compared to the colder months, though the occasional frost can still surprise. Precipitation is a hallmark of April, with frequent showers interspersed between sunny spells, leading to an invigorating freshness in the air. The humidity levels remain high, maintaining a typical dampness that characterizes much of Cardiff's climate. For those eager to experience the vibrant colors of nature awakening, April offers a dynamic and refreshing change, making it a fantastic time to explore the beauty of the city. To learn more about the climate throughout the year, visit Cardiff Climate.