April Weather in Caerphilly, United Kingdom

Last updated: March 17, 2025

April in Caerphilly, United Kingdom, offers a mix of springtime warmth and lingering chill, with temperatures reaching a maximum of 20°C (69°F) and dipping to a minimum of -1°C (30°F). The average temperature sits at a cool 9°C (49°F). Although the days grow brighter, residents can expect 57 mm (2.2 in) of precipitation over approximately 10 days, resulting in a humidity level of around 84%. This combination of elements underscores the unpredictable nature of April weather in Caerphilly, where both sunshine and showers play a role in the season's charm.

April Temperature in Caerphilly

In April, Caerphilly begins to emerge from the chill of winter, showcasing a noticeable increase in temperatures. The month starts with a minimum of -1°C (30°F) and peaks at a pleasant 20°C (69°F), with an average temperature of 9°C (49°F). This transitional period is marked by a steady rise in warmth, paving the way for the milder months ahead. Compared to the preceding months, April not only offers a break from the colder temperatures of January through March, but it also hints at the vibrant warmth of May and beyond. As spring unfolds, it brings with it a refreshing sense of renewal that residents and visitors alike can truly appreciate.

April Weather in Caerphilly: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Caerphilly, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec424345485460636258534745
Data source: Temperature data for Caerphilly generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Caerphilly

In April, Caerphilly experiences a noticeable dip in precipitation, with only 57 mm (2.2 in) of rain falling over 10 days. This marks a decline from the wetter months of January through March, where rainfall often exceeds 75 mm, showcasing a shift towards drier conditions as spring progresses. The lighter showers in April not only provide a reprieve from the consistently soggy winter but also hint at the brighter, sunnier days to come in May. This month serves as a transitional period, balancing the remnants of winter with the burgeoning warmth of spring.

April Precipitation Trends in Caerphilly

The chart displays monthly precipitation patterns in Caerphilly, with values for each month alongside April's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec751019857798485978113599130
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Caerphilly

In April, Caerphilly, United Kingdom, experiences a slight decline in humidity, averaging 84%, down from the cooler months' steady humidity around 88%. This trend indicates a gradual transition into spring, as humidity begins to decrease, paving the way for sunnier and drier weather. By May, the levels drop further to 80%, suggesting that the region is moving toward a more pleasant climate as summer approaches. The overall pattern reveals a fascinating ebb and flow of moisture in the air, with the highest levels typically seen in the winter months, before retreating as the year progresses toward the warmer seasons.

April Average Humidity in Caerphilly

This chart illustrates the average monthly humidity levels in Caerphilly, with April's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how April's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%84%80%80%70%73%79%89%90%89%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Caerphilly

As April unfolds in Caerphilly, the UV Index climbs to 6, signaling a shift to a high exposure category with a burn time of just 25 minutes. This marks a notable increase from March's moderate level of 4, where skin protection became increasingly important. The trend from winter into spring shows a clear uptick in UV radiation, as the sun grows stronger and daylight hours lengthen. By acknowledging these changing UV levels, residents can better prepare for outdoor activities and safeguard their skin from potential harm. Explore more about the UV trends in Caerphilly through the provided link: Caerphilly UV Index.

Maximum UV Index Levels in Caerphilly for April

The chart shows the monthly maximum UV Index (UVI) for Caerphilly in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec124678876421
Data source: Caerphilly April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

April Sunshine in Caerphilly

As spring unfolds in Caerphilly, April shines brightly with an impressive 303 hours of sunshine, marking a significant increase from the previous months. This delightful surge not only makes April the sunniest spring month but also sets the stage for an even more radiant May, where sunshine totals soar to 379 hours. This trend reflects a seasonal transition, as the days grow longer and warmer, with April showcasing the vitality of the season. In contrast, the year begins with a modest 81 hours in January and gradually builds momentum through March, ultimately celebrating the arrival of brighter days. Such fluctuations illustrate the vibrant rhythm of nature in this charming part of the United Kingdom, where sunshine becomes not just a measure of weather but a herald of renewal and optimism.

Monthly Sunshine Duration in Caerphilly: April Highlighted

The April sunshine duration represents the total number of hours Caerphilly experiences direct sunlight during the month of April, excluding cloudy or obstructed periods. This chart compares the sunshine duration of April with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec81h134h192h303h379h355h399h345h279h224h121h100h
Data source: Caerphilly April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Caerphilly During April

As spring unfolds in Caerphilly, the likelihood of sunny weather significantly increases, with April boasting a remarkable 52% chance of sunshine. This increase is particularly notable when compared to the previous months; for instance, January and February linger around 21% and 23%, respectively, while March begins to show a glimmer of hope at 29%. This upward trend peaks in April before dipping again in May to 33%, suggesting that April offers the most promising opportunities for basking in the sun. Following this sunny month, the chances of sunshine gradually decline through the summer and into the fall, underscoring April as a delightful time to enjoy brighter days in this charming corner of the UK.

Percentage of Sunny Days in April in Caerphilly

The chart illustrates the percentage of sunny days in Caerphilly throughout the year, with April highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Caerphilly experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec21%23%29%52%33%27%41%30%28%21%31%20%
Data source: Caerphilly April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Caerphilly in April

As spring unfolds in Caerphilly, April marks a delightful shift in daylight, basking the region in approximately 13 hours of sunlight each day. This increase continues the trend seen since winter's end, where daylight stretches from 8 hours in January to 11 hours by March. The lengthening days not only herald warmer temperatures but also invite outdoor activities and a renewed connection to nature. With each passing month, the promise of even longer days looms, reaching a peak of 16 hours by June, setting the stage for vibrant summer evenings. The transition through spring into summer showcases a steady progression of light, enhancing the charm and vitality of Caerphilly's landscape.

Average Daylight Hours in Caerphilly for April

The chart illustrates the variation in daylight duration in Caerphilly throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 24m9h 58m11h 55m13h 54m15h 38m16h 32m16h 3m14h 30m12h 35m10h 36m8h 50m7h 53m
Data source: Caerphilly daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Caerphilly

In Caerphilly, April brings a gentle shift in the winds, with an average speed of 3.7 m/s (8 mph), marking a noticeable decline compared to the brisker months of winter. This calming breeze is a stark contrast to the stronger gusts of January and February, which average around 5.1 m/s (11 mph) and 5.7 m/s (13 mph) respectively. As spring unfolds, the winds tend to mellow, providing a serene backdrop for the blooming landscape. Interestingly, April's winds are among the lightest of the year, hinting at a transition towards the warmer months ahead, as May picks up slightly with speeds of 4.7 m/s (10 mph). Overall, the April wind in Caerphilly serves as a refreshing reminder of nature's rhythms, balancing between the lingering chill of winter and the warmth of summer's approach.

Average April Wind Speed in Caerphilly

The chart displays monthly wind speed patterns in Caerphilly, with values for each month shown alongside April's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how April's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec5.15.74.83.7 m/s4.73.53.44.23.74.84.25.3
Data source: Caerphilly April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Caerphilly Compares to Other Months

The weather in Caerphilly 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 Caerphilly and find detailed weather information for every month.

April generally presents milder temperatures compared to January, with average highs reaching 20°C (69°F) and lows of -1°C (30°F), while January's temperatures peak at 13°C (56°F) and dip to a colder minimum of -3°C (27°F). Precipitation is somewhat less in April, totaling 57 mm (2.2 in) over about 10 days, compared to January's 75 mm (3.0 in) spread across 12 days. Additionally, the humidity is slightly lower in April at 84%, compared to January's 88%. For more detailed information, you can check Caerphilly weather in January.

April generally presents milder temperatures compared to February, with average highs reaching 20°C (69°F) and lows around -1°C (30°F), while February’s typical temperatures range from a minimum of -4°C (26°F) to a maximum of 15°C (60°F). Precipitation patterns also differ, as April experiences about 57 mm (2.2 in) of rainfall over 10 days, in contrast to February's wetter climate with 101 mm (4.0 in) spread over 14 days. Additionally, humidity levels are slightly lower in April at 84%, compared to February’s 88%. For more detailed information, you can check Caerphilly weather in February.

In comparing the weather patterns of March and April, April sees a slight increase in average temperatures, with lows around -1°C (30°F) and highs reaching up to 20°C (69°F), compared to March, where temperatures range from a minimum of -5°C (22°F) to a maximum of 18°C (65°F). Precipitation also decreases in April, totaling 57 mm (2.2 in) over 10 days, whereas March experiences more rain, accumulating 97 mm (3.8 in) across 15 days. Humidity levels remain similar, with April at 84% and March slightly higher at 86%. For more detailed insights into March weather, please visit Caerphilly weather in March.

April's weather is characterized by cooler temperatures, with a minimum of -1°C (30°F) and an average of 9°C (49°F), while May sees a noticeable rise, starting from a minimum of 2°C (35°F) and reaching an average of 12°C (54°F). The maximum temperatures in April peak at 20°C (69°F), but can climb higher in May, with a maximum of 24°C (76°F). Additionally, April experiences 57 mm (2.2 in) of precipitation across 10 days, whereas May brings slightly more rainfall, totaling 79 mm (3.1 in) over 12 days. Humidity remains relatively high in both months, with April at 84% and May slightly lower at 80%. For more details, you can check Caerphilly weather in May.

April and June exhibit distinct weather patterns as spring transitions into summer. In April, temperatures range from a chilly minimum of -1°C (30°F) to a comfortable maximum of 20°C (69°F), with an average of 9°C (49°F). The month sees around 57 mm (2.2 in) of precipitation spread across approximately 10 days, coupled with high humidity levels at 84%. In contrast, June experiences a warmer climate with minimum temperatures starting at 7°C (45°F) and peaking at 27°C (82°F), averaging 15°C (60°F). While June has slightly higher precipitation at 84 mm (3.3 in) over 12 days, it maintains lower humidity at 80%. For more insights on June weather, visit Caerphilly weather in June.

April experiences cooler temperatures, with a minimum of -1°C and an average of 9°C, while July boasts significantly warmer conditions, featuring a minimum of 9°C and an average of 17°C. In April, the maximum temperature reaches only 20°C, compared to July's peak of 28°C. Precipitation in April is slightly lower at 57 mm over 10 days, whereas July sees increased rainfall at 85 mm over 12 days, although humidity is more comfortable in July at 70% compared to April's 84%. For more details about summer weather, visit Caerphilly weather in July.

April and August present contrasting weather patterns. In April, temperatures range from a chilly minimum of -1°C (30°F) to a comfortable maximum of 20°C (69°F), with an average of 9°C (49°F). The month sees around 57 mm (2.2 in) of precipitation over about 10 days, accompanied by relatively high humidity at 84%. In contrast, August experiences milder conditions, with temperatures ranging from 9°C (48°F) to a warm maximum of 29°C (84°F) and an average of 17°C (62°F). Precipitation increases to 97 mm (3.8 in) spread over approximately 13 days, but humidity drops to a more manageable 73%. For more details on weather patterns in August, you can visit Caerphilly weather in August.

April and September present distinctly different weather experiences. 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 typically sees around 57 mm (2.2 in) of precipitation over approximately 10 days, accompanied by high humidity levels at 84%. In contrast, September showcases milder temperatures with a minimum of 4°C (40°F), an average of 15°C (59°F), and a warm maximum of 27°C (81°F). Despite being slightly wetter, with 81 mm (3.2 in) of rain across about 12 days, the humidity is lower at 79%. For more specific insights, you can refer to Caerphilly weather in September.

April tends to be cooler than October, with average temperatures ranging from a minimum of -1°C (30°F) to a maximum of 20°C (69°F). In contrast, October displays slightly warmer temperatures, averaging from 1°C (33°F) to 21°C (70°F). While April experiences a moderate precipitation of 57 mm (2.2 in) over about 10 days, October sees significantly higher rainfall at 135 mm (5.3 in) across approximately 16 days. Additionally, the humidity in October is somewhat higher, averaging at 89% compared to April's 84%. For more details on the climate specifics, you can visit Caerphilly weather in October.

April and November present distinct weather profiles despite having similar minimum temperatures of -1°C (30°F) and average temperatures around 9°C (49°F). In April, the maximum temperature can reach 20°C (69°F), providing a more pleasant feel, whereas November sees a cooler maximum of 16°C (61°F). When it comes to precipitation, April experiences average rainfall of 57 mm (2.2 in) over 10 days, while November is wetter, with 99 mm (3.9 in) spread across 15 days. Additionally, November tends to have higher humidity levels at 90%, compared to April's 84%. For further details about the weather in November, you can check Caerphilly weather in November.

April and December showcase distinct contrasts in weather patterns. In April, temperatures range from a minimum of -1°C (30°F) to a maximum of 20°C (69°F), with an average of 9°C (49°F). This month experiences relatively mild weather with 57 mm (2.2 in) of precipitation over about 10 days and a humidity level of 84%. In contrast, December's temperatures are cooler, with a minimum of -4°C (26°F) and a maximum of 13°C (56°F), averaging 7°C (45°F). It is also much wetter, with 130 mm (5.1 in) of precipitation across 17 days and higher humidity at 89%. For more detailed insights, check out Caerphilly weather in December.

Compare Caerphilly's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Caerphilly

April weather in Caerphilly offers a refreshing transition from the chill of winter, marked by a notable increase in temperatures and a vibrant sense of spring. While daytime highs can reach a pleasant 20°C, the evenings can still dip significantly, reminding us that winter has only recently loosened its grip. With an average humidity of 84%, the air carries a crispness that feels invigorating, despite the occasional rain, as April sees about 10 days of precipitation. This blend of cooler nights and warming days gives Caerphilly a unique character in its climate, distinguishing it from the warmer, drier days of summer. For a deeper dive into the weather patterns throughout the year, visit Caerphilly Climate.