Last updated: March 17, 2025
In April, Castletownbere, Ireland, experiences a diverse range of weather, marked by a maximum temperature of 16°C (62°F) and an average of 9°C (49°F). The chill of early spring is palpable, with nighttime lows dipping to a brisk 1°C (34°F). This month is also notable for its frequent rainfall, accumulating to 83 mm (3.3 in) over 12 days, contributing to the region's lush landscape. The humidity levels hover around a substantial 82%, creating a refreshing coastal atmosphere. Whether basking in the rare warm moments or braving the drizzle, visitors can expect a true taste of Irish spring.
In April, Castletownbere experiences a delightful shift as temperatures begin to rise, signaling the arrival of spring. The month ushers in a minimum temperature of 1°C (34°F), gradually warming to an average of 9°C (49°F), and reaching a pleasant maximum of 16°C (62°F). This increase from the earlier months reveals a welcomed transition, with April showcasing milder conditions compared to the chill of January through March. As the days lengthen and the landscape awakens, the blend of cool and moderate temperatures invites both locals and visitors to embrace the beauty of the season, marking a significant departure from the previous chillier months.
In April, Castletownbere experiences a noticeable decline in precipitation, receiving 83 mm (3.3 in) over 12 days, making it one of the drier months of the year. Compared to the preceding months—where rainfall frequently exceeded 140 mm—April offers a refreshing respite, hinting at the transition into spring. This pattern of reduced precipitation is particularly significant after the heavy downpours of February and March, and it paves the way for slightly sunnier days ahead, as residents look forward to blossoming landscapes and milder weather in the weeks to come. With only 12 days of rain, April serves as a reminder of the balance of moisture that defines this picturesque Irish locale.
In April, Castletownbere experiences a slight uptick in humidity, averaging 82%, consistent with the higher humidity seen in February and March. As spring unfolds, the coastal town begins to feel increasingly moist, setting the stage for the warmer months ahead. This trend continues into May, where humidity rises to 86%, signaling the approach of summer. Overall, the data suggests a gradual increase in humidity as the year progresses, with the upcoming summer months expected to bring even more moisture to the air, with levels peaking in July and August.
As spring unfolds in Castletownbere, Ireland, the UV Index noticeably rises. In April, the Index reaches 6, categorizing exposure as high with a burn time of just 25 minutes—a significant increase from the moderate levels seen in March. This trend marks the beginning of a pattern that continues into May, where the UV Index peaks at 7. These changes signal a prompt for residents and visitors alike to be vigilant about sun protection, as the risks associated with UV exposure become more pronounced. Staying informed about the UV Index helps ensure safe and enjoyable outdoor experiences throughout the month. For more details, check the Castletownbere UV Index.
UV Risk Categories
April in Castletownbere heralds a vibrant transformation, with 322 hours of sunshine illuminating the coastal landscape, marking a significant increase from the 197 hours enjoyed in March. This surge signals the arrival of spring, as longer days give way to blooming wildflowers and vibrant green scenery. Following April's sunny embrace, the region experiences a peak in May with 387 hours, showcasing a trend of steadily increasing daylight as warmer months approach. This pattern continues through the summer, with July and August presenting nearly equal hours of sunshine, creating an inviting atmosphere for outdoor adventures and serene beach days. As the year winds down, sunlight gently diminishes, reminding us of the beauty each season holds in Castletownbere.
In April, Castletownbere enjoys a notable increase in sunny weather, with a 44% likelihood of sunshine, making it one of the brightest months in spring. This marks a significant rise from the dreary winter months, where the chances hovered around 21% in both February and March. After the gloomy start to the year, residents and visitors alike can look forward to more sun-drenched days, a refreshing contrast to the persistent overcast skies. While the chances of sun dip in May and throughout the summer months, April stands out as a promising time for outdoor activities and enjoying the vibrant landscapes of Ireland.
As April unfolds in Castletownbere, the days grow noticeably longer, with 13 hours of daylight illuminating the coastal landscape. This increase marks a significant progression from March's 11 hours and sets the stage for the vibrant energy of spring. The trend of extending daylight hours will only continue to gain momentum as May arrives, bringing an impressive 15 hours. This steady ascent from winter's shorter days—from a mere 8 hours in January to a more liberating 13 hours in April—heralds the longer, sun-soaked days of summer. Each month offers a gradual yet remarkable transformation, reflecting the shift from the chill of winter to the warmth and vitality of the upcoming months.
In April, the winds in Castletownbere soften to an average speed of 4.5 m/s (10 mph), marking a gentle transition from the bluster of the previous months. This slight dip from the March winds, which blow at 5.5 m/s (12 mph), indicates that spring is settling in, creating a more tranquil atmosphere as nature begins to bloom. The trend of gradually decreasing wind speeds from February’s 7.4 m/s (17 mph) to April aligns with the movement towards warmer, calmer days. While April's breezes are milder, they continue to embellish the picturesque coastal landscape, offering a refreshing respite that invites locals and visitors alike to revel in the beauty of the season. As the winds further mellow into May, averaging 5.2 m/s (12 mph), it becomes evident that Castletownbere is embracing the soft embrace of spring.
The weather in Castletownbere 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 Castletownbere and find detailed weather information for every month.
When comparing the weather in April and January, several notable differences emerge. In April, temperatures rise, with a minimum of 1°C (34°F) and an average of 9°C (49°F), peaking at 16°C (62°F). In contrast, January sees colder temperatures, ranging from a minimum of -2°C (28°F) to an average of 7°C (45°F) and a maximum of 14°C (57°F). Precipitation is relatively high in both months, but January has more rainfall, totaling 117 mm (4.6 in) over 15 days, compared to April's 83 mm (3.3 in) over 12 days. Humidity levels remain similar, with April at 82% and January slightly lower at 79%. For more details on January's weather, you can check Castletownbere weather in January.
When comparing the weather in April and February, it is evident that April experiences milder temperatures overall, with minimums reaching 1°C (34°F) compared to February’s minimum of -1°C (30°F). April averages around 9°C (49°F) and can peak at 16°C (62°F), while February’s average is slightly lower at 8°C (46°F) with a maximum of 13°C (55°F). In terms of precipitation, February is notably wetter, receiving 187 mm (7.4 in) over 20 days, whereas April sees less rainfall at 83 mm (3.3 in) over 12 days. Despite the differences in precipitation and temperature, both months share a high humidity level of 82%. For more details on February weather, you can visit Castletownbere weather in February.
In comparing the weather of March and April, one can observe a notable warming trend. April experiences a milder temperature range, with minimums of 1°C (34°F), an average of 9°C (49°F), and maximums reaching 16°C (62°F). In contrast, March has lower temperatures, starting with minimums of -5°C (24°F) and an overall average of 7°C (46°F), even though it also peaks at 16°C (61°F).
Precipitation levels in March are higher, totaling 140 mm (5.5 in) over 19 days, compared to April’s 83 mm (3.3 in) over 12 days, indicating that April is generally drier. Humidity remains relatively stable with both months around 81-82%. For more details on March weather, you can visit Castletownbere weather in March.
April and May present a noticeable shift in weather conditions. In April, temperatures range from a chilly 1°C (34°F) at night to a mild 16°C (62°F) during the day, averaging around 9°C (49°F). However, the month sees considerable precipitation, with 83 mm (3.3 in) over 12 days and humidity levels at 82%.
In contrast, May warms up slightly, with minimum temperatures of 3°C (38°F) and maximums reaching 20°C (69°F), resulting in an average temperature of 11°C (53°F). Although precipitation increases to 93 mm (3.7 in) and occurs over 15 days, the humidity rises slightly to 86%. This transition marks May as a month of blossoming warmth compared to the cooler, wetter April. For more specific details, you can check the Castletownbere weather in May.
April and June present noticeably different weather patterns. In April, temperatures range from a chilly minimum of 1°C (34°F) to a comfortable maximum of 16°C (62°F), with an average of 9°C (49°F). The month sees a total precipitation of 83 mm (3.3 in) spread over 12 days, and humidity levels are around 82%. In contrast, June warms up significantly, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 26°C (79°F), averaging 14°C (57°F). The month experiences slightly higher precipitation at 88 mm (3.5 in) over 17 days, and humidity increases to 86%. For more detailed information, check out Castletownbere weather in June.
April and July present contrasting weather patterns. In April, temperatures range from a chilly minimum of 1°C (34°F) to a pleasant maximum of 16°C (62°F), with an average of 9°C (49°F). The month experiences significant precipitation, totaling 83 mm (3.3 in) over 12 rainy days, accompanied by a humidity level of 82%. In contrast, July sees warmer temperatures, with a minimum of 9°C (49°F) and a maximum of 26°C (79°F), averaging around 15°C (60°F). Though July has slightly higher precipitation at 88 mm (3.4 in) and more rainy days (15), it also features a higher humidity level of 87%. For more details on July's specific weather, visit Castletownbere weather in July.
April and August present quite contrasting weather patterns. In April, temperatures range from a minimum of 1°C (34°F) to a maximum of 16°C (62°F), with an average of 9°C (49°F). The month is relatively wet, experiencing 83 mm (3.3 in) of precipitation over 12 days and a humidity level of 82%. In contrast, August sees warmer temperatures, with a minimum of 9°C (48°F) and a maximum of 21°C (70°F), averaging 15°C (59°F). August is also wetter, with 139 mm (5.5 in) of rainfall spread across 21 days and slightly higher humidity at 86%. For more details on August weather, you can check Castletownbere weather in August.
April and September display notable differences in weather conditions. In April, temperatures range from a chilly minimum of 1°C (34°F) to a pleasant maximum of 16°C (62°F), with an average temperature of 9°C (49°F). The month experiences about 83 mm (3.3 in) of precipitation, spread over approximately 12 days, and humidity levels hover around 82%. In contrast, September enjoys milder temperatures, with a minimum of 5°C (42°F) and a maximum reaching 25°C (77°F), leading to an average of 14°C (57°F). However, this month also sees increased precipitation, totaling 121 mm (4.8 in) over 18 days, and a slightly higher humidity of 84%. For more details on the weather in this month, you can visit Castletownbere weather in September.
In April, temperatures range from a chilly minimum of 1°C to a pleasant maximum of 16°C, with an average temperature of 9°C. The month sees around 83 mm of precipitation over approximately 12 rainy days, while humidity remains high at 82%. In contrast, October experiences slightly milder temperatures, with minimums of 3°C and maximums reaching 17°C, resulting in an average of 11°C. However, October is also markedly wetter, with about 187 mm of rainfall spread over 19 days, maintaining the same high humidity level of 82%. For more details on the weather in October, you can check Castletownbere weather in October.
In comparing the weather of April and November, both months exhibit similar average temperatures, ranging around 9°C (49°F), with April peaking slightly higher at a maximum of 16°C (62°F) compared to November’s 14°C (58°F). However, November tends to experience significantly more precipitation, with 156 mm (6.1 in) distributed over 18 days, in contrast to April's 83 mm (3.3 in) over 12 days. The humidity levels remain comparable, hovering at around 80-82%, making both months feel damp. Overall, while temperatures are alike, November is undoubtedly wetter and cloudier. For more specific weather details, you can check Castletownbere weather in November.
In comparing the weather in April and December, both months experience similar minimum temperatures, hovering around 1°C (34°F). However, April generally enjoys a milder average temperature of 9°C (49°F) compared to December's cooler average of 8°C (47°F). When it comes to maximum temperatures, April feels slightly warmer at 16°C (62°F), while December peaks at 13°C (56°F). Notably, December sees a significantly higher amount of precipitation, with 201 mm (7.9 in) over 21 days, compared to April's 83 mm (3.3 in) over just 12 days. Humidity levels are also comparable, with April at 82% and December slightly lower at 79%. For a closer look at December weather specifics, check out Castletownbere weather in December.
As April unfolds in Castletownbere, the weather offers a refreshing change, with temperatures averaging 9°C (49°F), a marked difference from the chillier months that precede it. Although the month can still bring cool breezes and occasional frosty nights, the blossoming of spring begins to soften the landscape. With an average of 83 mm (3.3 inches) of precipitation spread across 12 days, this month sees a mix of sunny spells and damp afternoons, inviting nature to flourish. The humidity hovers around 82%, creating a fresh, invigorating atmosphere that heralds the warmth of summer ahead. For a deeper exploration of the weather patterns throughout the year, visit Castletownbere Climate.