April Weather in Castelldefels, Spain

Last updated: February 6, 2025

April in Castelldefels, Spain, offers a refreshing transition into spring, characterized by an average temperature of 14°C (57°F). Daily highs can reach a pleasant 20°C (69°F), while the evenings may cool down to a brisk 6°C (43°F). This month sees about 69 mm (2.7 in) of precipitation over 9 days, contributing to a humidity level of 69%. Visitors can anticipate a mix of sunny days and occasional rain, making it an ideal time to enjoy the beauty of this coastal town as it awakens from winter.

April Temperature in Castelldefels

In April, Castelldefels experiences a delightful transition into spring, with temperatures gradually warming up. The minimum temperature rises to 6°C (43°F), marking a noticeable change from the chillier early months. On average, the temperatures reach a pleasant 14°C (57°F), while the maximum hits a comfortable 20°C (69°F), reminiscent of the gentle warmth that foreshadows the approaching summer. This month embodies a refreshing blend of cool and mild days, making it an ideal time for outdoor activities and enjoying the blooming scenery, setting the stage for the warmer months ahead.

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

The chart illustrates April temperature patterns in Castelldefels, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec505254576370767772665853
Data source: Temperature data for Castelldefels 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 Castelldefels

In April, Castelldefels experiences a notable increase in precipitation, with 69 mm (2.7 in) of rain spread across 9 days. This marks an uptick from the preceding months of February and March, both at 47 mm (1.9 in), suggesting a definitive shift as spring progresses. The rainfall not only revitalizes the blossoming landscape but also prepares the region for the drier summer months ahead. Unlike January through March, where precipitation is more concentrated, April’s rain comes with added frequency, hinting at the dynamic weather patterns typical of the season. This trend continues into May, where precipitation markedly drops to 39 mm (1.5 in), foreshadowing the upcoming warm and drier climate that will dominate the region.

April Precipitation Trends in Castelldefels

The chart displays monthly precipitation patterns in Castelldefels, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5947477039312838991098130
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Castelldefels

April marks a transition in Castelldefels, Spain, as humidity levels dip to 69%, showing a gradual decline from the earlier spring months. This reduction reflects a consistent trend observed since January, when humidity was at its peak of 79%. As we move from March's 71% to April's 69%, it becomes evident that the region is shedding some of its moisture, paving the way for the drier months of late spring and summer, where humidity further decreases to 66% in May. This gradual lowering of humidity levels signals a delightful shift towards warmer and more comfortable days ahead, creating an inviting atmosphere for both residents and visitors to enjoy the beauty of the Mediterranean!

April Average Humidity in Castelldefels

This chart illustrates the average monthly humidity levels in Castelldefels, 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.
JanFebMarAprMayJunJulAugSepOctNovDec79%74%71%69%66%65%64%64%68%77%79%79%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Castelldefels

As April unfolds in Castelldefels, Spain, residents and visitors alike should take note of a significant shift in the UV Index, which rises to 7, classifying it as high exposure. This increase marks a notable jump from the steady 5 in March, signaling that the sun's rays are becoming more potent as the warmer months approach. With a burn time of just 25 minutes, it's essential to adopt sun safety measures, especially as the UV Index trends upwards into May's 9 and June's peak 10. The steady rise from the more moderate indices earlier in the year suggests that increased caution is warranted for outdoor activities, making it a prime time to embrace protective strategies. For detailed insights, check out the complete data at Castelldefels UV Index.

Maximum UV Index Levels in Castelldefels for April

The chart shows the monthly maximum UV Index (UVI) for Castelldefels 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.
JanFebMarAprMayJunJulAugSepOctNovDec34579101097632
Data source: Castelldefels 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 Castelldefels

April in Castelldefels, Spain, shines brightly with an impressive 346 hours of sunshine, marking a delightful transition into the warmer months. This surge in daylight follows a steady increase since January's 206 hours, illustrating a refreshing upward trend as spring blooms. The month of April not only brings longer days but also sets the stage for May and June, where sunshine hours peak at 406 and 413, respectively. This gradual increase throughout the spring creates a perfect backdrop for outdoor activities and the enchanting seaside ambiance that Castelldefels is known for. As the sun continues to shine brighter, it invites locals and visitors alike to soak in the vibrant energy of the season.

Monthly Sunshine Duration in Castelldefels: April Highlighted

The April sunshine duration represents the total number of hours Castelldefels 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.
JanFebMarAprMayJunJulAugSepOctNovDec206h264h334h346h406h413h425h396h338h311h265h263h
Data source: Castelldefels April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Castelldefels During April

In April, Castelldefels, Spain, experiences a cloudier outlook, with a sunshine likelihood of only 38%. This marks a noticeable dip compared to the preceding months, as March enjoys a more optimistic 55% chance of sun. While the surrounding months hint at a gradual return to brighter skies—especially July's impressive 72%—April does not quite deliver the early spring sunshine many hope for. Nonetheless, this transitional month offers a hint of optimism for sunnier days ahead, encouraging locals and visitors alike to embrace the changing season.

Percentage of Sunny Days in April in Castelldefels

The chart illustrates the percentage of sunny days in Castelldefels 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 Castelldefels experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec47%38%55%38%44%54%72%52%35%45%44%53%
Data source: Castelldefels April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Castelldefels in April

As spring unfolds in Castelldefels, Spain, the days grow increasingly longer, culminating in April, where daylight stretches to an inviting 13 hours. This marks a significant leap from 11 hours in March, signaling the approach of summer and the longer days that come with it. The gradual increase in daylight duration is a delightful trend that begins in January at just 9 hours and steadily climbs each month. May continues this trajectory, peaking at 14 hours of sunlight, before it tapers slightly in the summer months. April serves as a beautiful transition point, where outdoor activities flourish under the extended daylight, inviting both locals and visitors to bask in the sun's warmth and enjoy the vibrant atmosphere of this coastal gem.

Average Daylight Hours in Castelldefels for April

The chart illustrates the variation in daylight duration in Castelldefels throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 33m10h 36m11h 57m13h 20m14h 30m15h 6m14h 47m13h 45m12h 25m11h 3m9h 50m9h 13m
Data source: Castelldefels daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Castelldefels

April in Castelldefels brings a gentle caress of wind, averaging 3.5 m/s (8 mph), slightly less breezy than the preceding months. This modest decrease in wind speed marks a transition as spring settles in, creating a serene atmosphere perfect for leisurely strolls along the beach. Following the more blustery conditions of winter, where January saw winds of 4.8 m/s (11 mph), the April air invites a refreshing yet calm experience. As the months progress toward summer, the winds begin a gradual uptick again, hinting at the lively coastal energy that characterizes the warmer season. This delicate balance of calming and revitalizing winds makes April an ideal time to enjoy the beauty of Castelldefels.

Average April Wind Speed in Castelldefels

The chart displays monthly wind speed patterns in Castelldefels, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.84.13.63.5 m/s3.93.33.53.23.73.44.44.1
Data source: Castelldefels April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Castelldefels Compares to Other Months

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

April weather is typically milder compared to January, with average temperatures rising from 10°C (50°F) in January to about 14°C (57°F) in April. While both months can reach a maximum of around 20°C (68°F to 69°F), January starts cooler with a minimum temperature of 3°C (38°F) compared to April’s milder minimum of 6°C (43°F). In terms of precipitation, April sees slightly more rain, averaging 69 mm (2.7 in) over 9 days, while January has 59 mm (2.3 in) over just 6 days. Additionally, April experiences lower humidity at 69%, contrasting with January's higher humidity of 79%. For more specific details, check out Castelldefels weather in January.

When comparing the weather in April and February, April generally experiences milder temperatures, with a minimum of 6°C (43°F) and an average of 14°C (57°F), while February has a cooler minimum of 2°C (37°F) and an average of 11°C (53°F). The maximum temperature in April reaches up to 20°C (69°F), slightly higher than February's maximum of 19°C (66°F). Additionally, April sees more precipitation, with 69 mm (2.7 in) over 9 days compared to February's 47 mm (1.9 in) over 6 days. Notably, humidity is also slightly lower in April at 69%, compared to February's 74%. For more detailed insights on February weather, you can visit Castelldefels weather in February.

In comparing the weather of March and April, we find that April tends to be slightly warmer, with average temperatures rising from 12°C (54°F) in March to 14°C (57°F). While both months see relatively mild maximum temperatures, April reaches up to 20°C (69°F) compared to March's 19°C (67°F). Rainfall increases in April, with a total of 69 mm (2.7 in) over 9 days, exceeding March's 47 mm (1.9 in) spread over 6 days. Humidity levels remain similar, with March at 71% and April just a bit lower at 69%. For more details on the weather in March, visit Castelldefels weather in March.

April and May demonstrate a noticeable transition in weather patterns. In April, temperatures range from a minimum of 6°C (43°F) to a maximum of 20°C (69°F), with an average of 14°C (57°F). This month experiences higher precipitation, totaling 69 mm (2.7 in) over 9 days, along with a humidity level of 69%. In contrast, May brings warmer days with temperatures ranging from 9°C (48°F) to a maximum of 25°C (78°F), averaging 17°C (63°F). Additionally, May has significantly less rainfall, with only 39 mm (1.5 in) recorded over 7 days and slightly lower humidity at 66%. For a detailed look at the weather in Castelldefels during this month, you can visit Castelldefels weather in May.

April and June present a noticeable contrast in weather conditions. In April, temperatures range from a minimum of 6°C (43°F) to a maximum of 20°C (69°F), with an average of 14°C (57°F). The month experiences more frequent rainfall, totaling 69 mm (2.7 in) over 9 days, and a relatively high humidity of 69%. In contrast, June warms up significantly, with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 28°C (83°F), averaging 21°C (71°F). The precipitation decreases to just 31 mm (1.2 in) over 5 days, and humidity levels are slightly lower at 65%. For those interested in a detailed overview, check the Castelldefels weather in June.

April and July exhibit quite different weather patterns, reflecting the transition from spring to summer. In April, temperatures range from a chilly minimum of 6°C (43°F) to a pleasant maximum of 20°C (69°F), with an average of 14°C (57°F). This month also brings moderate rainfall, totaling 69 mm (2.7 in) over approximately 9 days, and a humidity level of 69%. In contrast, July features significantly warmer temperatures, with a minimum of 18°C (64°F), an average of 24°C (76°F), and a maximum reaching 29°C (85°F). Additionally, July enjoys much less precipitation—just 28 mm (1.1 in) across 5 days—and slightly lower humidity at 64%. For more details on the July climate, you can check Castelldefels weather in July.

April and August present stark contrasts in weather conditions. In April, temperatures range from a chilly minimum of 6°C (43°F) to a mild maximum of 20°C (69°F), with an average of 14°C (57°F). The month also sees relatively high precipitation, with 69 mm (2.7 in) over about 9 days, contributing to a humidity level of 69%. In contrast, August offers a much warmer climate, featuring a minimum temperature of 18°C (65°F) and a peak of 32°C (90°F), averaging around 25°C (77°F). Precipitation drops significantly to just 38 mm (1.5 in) across about 7 days, and humidity eases slightly to 64%. For more details on August conditions, check out Castelldefels weather in August.

April and September present contrasting weather profiles, reflecting the transition between spring and autumn. In April, temperatures range from a cool minimum of 6°C (43°F) to a pleasant average of 14°C (57°F), with maximums reaching 20°C (69°F). This month sees a fair amount of precipitation, totaling 69 mm (2.7 in) over about 9 days, accompanied by moderate humidity at 69%. Conversely, September boasts warmer temperatures, with a minimum of 15°C (59°F) and an average of 22°C (73°F), peaking at 28°C (83°F). Precipitation increases slightly to 99 mm (3.9 in) over approximately 13 days, while humidity remains similar at 68%. Overall, September offers warmer days and more rain, making it a notable contrast to the cooler and drier April. For more details, check Castelldefels weather in September.

April and October present a notable contrast in weather patterns. In April, temperatures range from a minimum of 6°C (43°F) to a maximum of 20°C (69°F), with an average of 14°C (57°F). The month typically experiences 69 mm (2.7 in) of precipitation over about 9 days, along with a humidity level of 69%. In comparison, October offers warmer temperatures, ranging from a minimum of 9°C (49°F) to a maximum of 25°C (77°F), with an average of 19°C (66°F). Precipitation is higher in October, totaling 109 mm (4.3 in) over 11 days, and humidity increases to 77%. This contrast highlights how October tends to be warmer and wetter compared to the cooler, milder April. For more specific details, check out Castelldefels weather in October.

April and November have similar average temperatures, both hovering around 14°C (57°F), but November tends to experience slightly higher values, with maximum temperatures reaching 22°C (72°F) compared to April's 20°C (69°F). While April receives about 69 mm (2.7 in) of precipitation over 9 days, November sees a bit more rain, totaling 81 mm (3.2 in) with the same number of rainy days. Additionally, humidity levels are higher in November at 79%, as opposed to April's 69%. For more details on the specifics of November weather, you can check Castelldefels weather in November.

In comparing the weather of April and December, we notice some interesting contrasts. April typically sees warmer temperatures, with an average of 14°C (57°F) and highs reaching up to 20°C (69°F), while December's average is slightly cooler at 12°C (53°F) with maximum temperatures of 18°C (65°F). April also experiences more frequent rainfall, accumulating 69 mm (2.7 in) over about 9 days, compared to December's 30 mm (1.2 in) over just 4 days. Additionally, December tends to be more humid, with a humidity level of 79%, while April's humidity stands at 69%. For more specific insights into December's conditions, you can visit Castelldefels weather in December.

Compare Castelldefels's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Castelldefels

April in Castelldefels brings a refreshing transition from the cooler months, with temperatures creeping up to a pleasant average of 14°C (57°F). This month stands out for its moderate humidity at 69%, creating a comfortable atmosphere perfect for outdoor activities. Although rainfall can be expected, with about 9 days of precipitation totaling 69 mm (2.7 in), it often comes in short bursts, leaving plenty of sunshine to enjoy. The blend of mild temperatures and occasional showers marks April as a vibrant month, distinct from the chill of winter and the heat of summer. For a deeper understanding of what to expect from Castelldefels' changing climate, explore the details in Castelldefels Climate.