April Weather in Dalkey, Ireland

Last updated: March 17, 2025

April in Dalkey, Ireland is characterized by a mild yet variable climate, with maximum temperatures reaching 15°C (58°F) and averaging around 8°C (47°F). Nights can be chilly, dipping to a minimum of 2°C (35°F). The month sees a notable precipitation total of 48 mm (1.9 in) spread over 11 days, contributing to an overall humidity level of 85%. This blend of mild temperatures and frequent rain creates a lush landscape, inviting both locals and visitors to explore the scenic beauty of this coastal gem.

April Temperature in Dalkey

In April, Dalkey, Ireland, begins to shake off the chill of winter, with temperatures gradually warming up. The month starts with a minimum of 2°C (35°F), climbing to an average of 8°C (47°F) and peaking at a comfortable 15°C (58°F). This marks a notable shift from March's rather cold averages, effectively illustrating the transition into spring. As the month progresses, you can expect more mild days and brighter evenings, making it an ideal time for outdoor activities and enjoying the stunning coastal scenery. With each passing day, the temperatures reflect a gentle but consistent rise, encouraging both locals and visitors alike to soak in Dalkey’s burgeoning beauty.

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

The chart illustrates April temperature patterns in Dalkey, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec444445475156595957534946
Data source: Temperature data for Dalkey 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 Dalkey

April in Dalkey, Ireland, marks a subtle transition in weather patterns, characterized by a noticeable dip in precipitation. With 48 mm (1.9 in) of rain and 11 rainy days, April is one of the drier months compared to the preceding trio of wet months—January, February, and March, which collectively average around 81 mm (3.2 in) of rainfall. This reduction fosters a sense of rejuvenation, as the landscape begins to bloom and embrace the forthcoming warmer months. The trend shows a steady increase in rainfall as the year progresses, with May and June seeing modest rises, hinting at nature's readiness for the lush vibrancy of summer.

April Precipitation Trends in Dalkey

The chart displays monthly precipitation patterns in Dalkey, 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.
JanFebMarAprMayJunJulAugSepOctNovDec708687486175789682101127110
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Dalkey

In April, Dalkey, Ireland experiences a slight dip in humidity, with levels at 85%, mirroring the comfort of earlier months. Interestingly, this consistent pattern reveals that the first half of the year tends to maintain humidity levels around the mid-80s, with February and March also sitting at 86%. As spring progresses into May, humidity begins to trend downward, hinting at the shifting seasons. Despite these fluctuations, the overall humidity remains relatively stable throughout the year, creating a moist yet refreshing atmosphere that characterizes this charming coastal town. As we move into the summer months, the humidity is set to return to 86%, reinforcing Dalkey's reputation for lush landscapes and vibrant greenery.

April Average Humidity in Dalkey

This chart illustrates the average monthly humidity levels in Dalkey, 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.
JanFebMarAprMayJunJulAugSepOctNovDec85%86%86%85%83%85%86%85%86%87%87%84%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Dalkey

In April, Dalkey, Ireland experiences a moderate UV Index of 5, indicating that sun protection becomes increasingly important as the days grow longer and brighter. With a burn time of just 30 minutes, it's essential to be mindful of sun exposure, especially during peak hours. This marks a noticeable rise from March's UV Index of 4, reflecting the shift towards brighter spring days. As the month progresses into May with its higher UV Index of 7, it sets the stage for even more sunshine, making it a good time to check out sun safety guidelines and enjoy the great outdoors while staying protected. For more insights on sun exposure, visit Dalkey UV Index.

Maximum UV Index Levels in Dalkey for April

The chart shows the monthly maximum UV Index (UVI) for Dalkey 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.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Dalkey 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 Dalkey

In April, Dalkey, Ireland, comes alive with an impressive 329 hours of sunshine, heralding the arrival of spring. This marked increase from 207 hours in March showcases a notable jump in daylight, inviting residents and visitors alike to revel in the vibrant landscapes. As the sun brightens the days, it paves the way for even sunnier months ahead, with May boasting the highest tally at 408 hours. The steady rise in sunshine hours from January’s mere 87 to the peak of spring not only enhances the beauty of Dalkey but also lifts spirits, making it a perfect time for outdoor activities and exploration along the scenic coast.

Monthly Sunshine Duration in Dalkey: April Highlighted

The April sunshine duration represents the total number of hours Dalkey 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.
JanFebMarAprMayJunJulAugSepOctNovDec87h153h207h329h408h401h403h361h308h237h127h101h
Data source: Dalkey April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Dalkey During April

As spring blooms in Dalkey, Ireland, April brings a notable uptick in sunny weather, with a 49% chance of sunshine—a significant leap from the previous months. This rise reflects the transition from winter's gloom, where January and February lingered around 23% to 25% sunny days. After the moderate month of March, April stands out as the month with the highest likelihood of clear skies, promising residents and visitors alike a refreshing opportunity to enjoy the natural beauty of this coastal town. With sunshine on the horizon, April beckons a brighter outlook, providing a delightful contrast to the cloudier months that precede it.

Percentage of Sunny Days in April in Dalkey

The chart illustrates the percentage of sunny days in Dalkey 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 Dalkey experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec25%23%25%49%35%27%34%27%23%21%27%24%
Data source: Dalkey April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Dalkey in April

As spring unfolds in Dalkey, Ireland, April brings a refreshing surge of daylight, extending to an invigorating 14 hours. This marks a notable increase from the 11 hours of daylight in March, signaling the transition into longer, brighter days. Following a pattern of gradual growth since the depths of winter, April's longer evenings invite outdoor activities and leisure, setting the stage for the even sunnier months ahead. May and June continue this trend, peaking joyfully with 15 and 16 hours of daylight, respectively. The month of April stands as a vibrant turning point, where nature awakens and the days grow ever more inviting, reminding us of the warmth and light that summer will soon bring.

Average Daylight Hours in Dalkey for April

The chart illustrates the variation in daylight duration in Dalkey throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 9m9h 50m11h 54m14h 1m15h 52m16h 50m16h 19m14h 39m12h 36m10h 31m8h 38m7h 37m
Data source: Dalkey daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Dalkey

In April, Dalkey, Ireland, experiences a gentle breath of fresh air with an average wind speed of 4.6 m/s (10 mph), marking a noticeable dip from the brisker months of January through March. While February showcases the region's peak winds at 8.2 m/s (18 mph), the arrival of spring brings a softer touch, coaxing buds to bloom under quieter skies. This gradual decline in wind speed continues into the early summer months, with May and June hovering around 5.2 m/s (12 mph) and 4.8 m/s (11 mph), respectively. The trend suggests a transition towards calmer days, offering a serene atmosphere perfect for enjoying coastal strolls or savoring a cup of tea by the sea, as Dalkey eases into the warmer season.

Average April Wind Speed in Dalkey

The chart displays monthly wind speed patterns in Dalkey, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.48.26.04.6 m/s5.24.83.44.64.36.76.66.8
Data source: Dalkey April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Dalkey Compares to Other Months

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

When comparing the weather in April and January, we see some notable differences. April has slightly warmer temperatures, with a minimum of 2°C (35°F) and a maximum of 15°C (58°F), while January's temperatures range from a minimum of 1°C (33°F) to a maximum of 13°C (56°F). Precipitation in April, at 48 mm (1.9 in), is less than January's 70 mm (2.7 in), despite both months experiencing rainfall on approximately 11 days. Interestingly, the humidity remains constant at 85% for both months, contributing to the overall damp feel typical of this region. For a more detailed look at January weather, you can visit Dalkey weather in January.

When comparing the weather in April and February, April generally experiences slightly warmer temperatures, with average highs reaching 15°C (58°F) compared to February's 13°C (56°F). February tends to be wetter, accumulating 86 mm (3.4 in) of precipitation over 15 days, while April has only 48 mm (1.9 in) over 11 days. Both months have high humidity levels, with February at 86% and April slightly lower at 85%. For those interested in February specifics, further details can be found at Dalkey weather in February.

In comparing the weather between March and April, we can observe a noticeable shift in temperatures and precipitation patterns. April tends to be slightly warmer, with average temperatures rising from March’s 7°C (45°F) to 8°C (47°F), and maximums reaching 15°C (58°F) compared to March's 13°C (55°F). Conversely, March experiences lower minimum temperatures, dipping to -3°C (28°F), compared to April's milder 2°C (35°F).

However, April is characterized by less overall precipitation, totaling 48 mm (1.9 in) over 11 days, while March has a significantly higher total of 87 mm (3.4 in) across 15 days. The humidity levels remain similar, at 85% for April and 86% for March, contributing to the overall dampness commonly associated with early spring. For a more detailed look at March weather, you can refer to Dalkey weather in March.

April and May exhibit a gradual transition in weather patterns, with May typically being warmer and slightly wetter. In April, temperatures range from a minimum of 2°C (35°F) to a maximum of 15°C (58°F), while May sees a slightly higher minimum of 3°C (38°F) and a maximum of 17°C (63°F). Precipitation also increases in May, with total rainfall reaching 61 mm (2.4 in) over 12 days compared to April's 48 mm (1.9 in) over 11 days. Despite the added rainfall, humidity remains similar between the two months, averaging 85% in April and decreasing slightly to 83% in May. For more detailed information, you can check Dalkey weather in May.

In comparing April and June weather, April tends to be cooler with temperatures ranging from a minimum of 2°C (35°F) to a maximum of 15°C (58°F) and an average of 8°C (47°F). It experiences significant humidity at 85%, along with 48 mm (1.9 in) of precipitation over 11 days. In contrast, June sees a noticeable increase in warmth, with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 19°C (67°F) and an average of 13°C (56°F). This month also has higher total precipitation at 75 mm (2.9 in) across 13 days, while maintaining the same humidity level of 85%. For a more detailed outlook, you can check Dalkey weather in June.

April and July present distinct contrasts in weather patterns. In April, temperatures range from a chilly 2°C (35°F) to a milder 15°C (58°F), with an average temperature of 8°C (47°F). The month sees about 48 mm (1.9 in) of precipitation over 11 days and experiences a high humidity level of 85%. In contrast, July warms up significantly, featuring minimum temperatures of 10°C (51°F) and maximums reaching 20°C (68°F), with an average of 15°C (60°F). Rainfall increases to 78 mm (3.1 in) spread over 14 days, accompanied by a slightly higher humidity of 86%. For more detailed insights into July's weather, you can visit Dalkey weather in July.

April and August present distinct contrasts in weather. In April, temperatures range from a chilly minimum of 2°C (35°F) to a comfortable maximum of 15°C (58°F), with an average of 8°C (47°F). The month experiences about 48 mm (1.9 in) of precipitation over 11 days, maintaining a high humidity level of 85%. In comparison, August is warmer, with temperatures ranging from a minimum of 10°C (51°F) to a maximum of 20°C (68°F) and an average of 15°C (60°F). However, it sees increased rainfall, totaling 96 mm (3.8 in) across 16 days, while humidity remains steady at 85%. For a more detailed look at August's weather patterns, visit Dalkey weather in August.

April and September present distinct weather patterns, reflecting the transition of spring to autumn. In April, temperatures range from a chilly minimum of 2°C (35°F) to a pleasant maximum of 15°C (58°F), with an average of 8°C (47°F). The month averages 48 mm (1.9 in) of precipitation across 11 days, accompanied by a high humidity level of 85%. In contrast, September is noticeably warmer, with minimum temperatures of 7°C (45°F) and maximum temperatures reaching 20°C (68°F), averaging at 14°C (57°F). However, this month experiences more rainfall, with 82 mm (3.2 in) over 14 days, and a slightly higher humidity of 86%. For more specific details, you can check Dalkey weather in September.

April and October present distinctly different weather patterns. In April, temperatures range from a minimum of 2°C (35°F) to a maximum of 15°C (58°F), with an average of around 8°C (47°F). The month sees moderate precipitation, totaling 48 mm (1.9 in) over about 11 days, accompanied by relatively high humidity at 85%. In contrast, October is slightly milder, with temperatures starting at a minimum of 5°C (41°F) and peaking at 18°C (64°F), leading to an average of 12°C (53°F). However, October is notably wetter, experiencing 101 mm (4.0 in) of rain across 16 days, with humidity increasing slightly to 87%. For more detailed insights into October's weather, you can explore Dalkey weather in October.

April and November exhibit similar temperature ranges, with minimums around 2-3°C and maximums peaking at 15°C. However, April tends to be drier, averaging 48 mm of precipitation over 11 days, while November experiences significantly higher rainfall at 127 mm across 17 days, resulting in a much wetter month. Humidity levels are comparable, with April at 85% and November slightly higher at 86%. For more detailed information, you can check Dalkey weather in November.

When comparing the weather in April and December, both months share similarly low minimum temperatures averaging around 2°C (35°F) and average daytime temperatures close to 8°C (46-47°F). However, December tends to be slightly cooler overall, with a maximum temperature of 13°C (56°F) compared to April's 15°C (58°F). Additionally, December experiences significantly higher precipitation, with 110 mm (4.3 in) over 16 days, whereas April sees 48 mm (1.9 in) across 11 days. Humidity levels remain fairly consistent, hovering around 84-85%. For more details on December's weather, you can visit Dalkey weather in December.

Compare Dalkey's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Dalkey

In April, Dalkey experiences a delightful transition as winter bids farewell and spring begins to unfold. With average temperatures hovering around a refreshing 8°C (47°F), days start to warm, yet the chill of night can still bring cooler air down to 2°C (35°F). This month is characterized by a notable amount of precipitation, with rain gracing 11 days, resulting in an overall 48 mm (1.9 in) of moisture that nourishes the vibrant blooms of spring. The high humidity of 85% adds a layer of freshness to the air, making it a unique time unlike any other month. For a comprehensive look at what each month brings, explore the details on Dalkey Climate.