Last updated: March 17, 2025
In Castlewellan, United Kingdom, May brings a blend of mild temperatures and frequent rain, perfect for experiencing the lush greenery of the region. With a maximum temperature reaching 19°C (67°F) and an average of 11°C (52°F), the month offers comfortable conditions for outdoor activities. However, be prepared for the cool evenings, as minimum temperatures can drop to 2°C (35°F). Rainfall is quite notable, with 66 mm (2.6 in) expected over about 12 days, contributing to a high humidity level of 82%. This combination of elements makes May a quintessentially verdant month in Castlewellan, inviting nature enthusiasts and explorers alike.
As spring blooms into May, Castlewellan experiences a notable shift in temperatures that signals the onset of warmer days. With minimums rising to 2°C (35°F) and daytime averages reaching a comfortable 11°C (52°F), it's a time when the chill of winter is firmly behind. The maximum temperatures can climb to a pleasant 19°C (67°F), inviting both locals and visitors to embrace outdoor activities amidst the lush landscapes. This gradual warm-up contrasts sharply with the colder months preceding May, where temperatures often dipped below freezing. Overall, the month tantalizes with milder weather, setting the stage for the full vibrancy of summer that follows.
In May, Castlewellan experiences a moderate rainfall of 66 mm (2.6 in), spread over 12 days. This marks a slight increase from April's drier conditions, which boasted just 47 mm of precipitation over 9 days. As spring unfolds, the weather showcases a blend of rejuvenating showers and emerging sunshine, setting the stage for the lush greenery that the region is known for. Compared to the preceding months, which ranged from 68 mm in January to 99 mm in February, May maintains a consistent level of moisture, hinting at a gradual approach towards the wetter summer months ahead. This pattern not only supports local ecosystems but also enriches the scenic beauty that draws visitors to this charming corner of the UK.
In Castlewellan, United Kingdom, May marks a slight decline in humidity, settling at 82%, which is the lowest point since January. This downward trend from April's 85% suggests that spring is ushering in slightly drier conditions as the landscape begins to flourish. However, as the year progresses towards summer, humidity levels begin to creep back up, reaching 84% in June and peaking again in the late summer months at 86%. The gradual increase in humidity post-May serves as a reminder of the region's lush, green surroundings, characteristic of its temperate maritime climate. As such, May stands out as a brief interlude of freshness before the more humid months roll in.
As spring transitions into summer, Castlewellan experiences a notable rise in UV exposure, with May showcasing a high UV Index of 7, signaling a shift in outdoor safety measures. During this month, the time it takes for skin to burn decreases to just 25 minutes, emphasizing the importance of sun protection as warmer days encourage more outdoor activities. This trend is echoed by the escalating UV levels throughout the season, reaching a peak of 8 in June and July. Early months, like January and February, reflect a much lower UV Index of 1 and 2, where sunburn is less of a concern. For those venturing outdoors, it’s vital to remain aware of these changes and consult resources like the Castlewellan UV Index for timely updates and guidance on sun safety.
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May heralds a vibrant shift in sunshine at Castlewellan, United Kingdom, basking in an impressive 403 hours of radiant daylight. This marks a notable increase from the preceding months, with April already boasting 322 hours, paving the way for a lively spring. As we transition into June and July, the sunshine hours remain robust, showcasing a delightful continuity with 394 and 399 hours respectively. However, a gradual tapering begins in August, slipping down to 349 hours, followed by a steady decline into autumn. This warming pattern emphasizes May as a pivotal month, where the essence of spring culminates, inviting both locals and visitors to celebrate the sun-filled days before the gentle retreat into the cooler months ahead.
In Castlewellan, United Kingdom, the likelihood of sunny weather in May is a promising 35%, offering a welcome increase compared to the chillier months preceding it. Notably, this is a significant rise from April's 43%, indicating a shift towards sunnier days as spring unfolds. However, the sun's presence in May is less frequent than in the early summer months, such as June and July, which suggest a slight dip in sun probabilities following the vibrant month of April. Despite this fluctuation, May stands out with a distinctly higher chance of sun than the winter months, signaling a delightful transition into warmer weather.
In Castlewellan, United Kingdom, May marks a delightful turning point in daylight hours, boasting 16 hours of sunlight, a notable increase from the 14 hours in April. This trend of expanding daylight continues as the region transitions into summer, peaking in June with 17 hours. The gradual lengthening of days from the dreary 7 hours of January to the vibrant spring blooms of May illustrates a steady march towards brighter months. As summer unfolds, daylight begins to taper off, offering a balance of light that beautifully fades into the cozy autumn months, with daylight decreasing to 12 hours in September and further to 10 hours by October.
In Castlewellan during May, the average wind speed settles at a moderate 4.4 m/s (10 mph), marking a slight uptick from the gentler breezes of April. This transition reflects a trend where the winds begin to pick up, as they often do in the spring months, following the broadest dip seen in April with just 3.9 m/s (9 mph). Compared to the bustling February winds peaking at 6.9 m/s (16 mph), May offers a more pleasant and manageable climate, conducive to outdoor activities. As Spring unfolds, the wind speeds hint at the summer's approach, suggesting a season of vibrant life in this picturesque United Kingdom town.
The weather in Castlewellan changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of May's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Castlewellan and find detailed weather information for every month.
The weather in May is generally milder compared to January, with temperatures ranging from a minimum of 2°C (35°F) to a maximum of 19°C (67°F), leading to an average of 11°C (52°F). In contrast, January experiences colder temperatures, with minimums dipping to -2°C (29°F) and maximums reaching only 13°C (56°F), resulting in an average of 6°C (43°F). Both months see similar levels of precipitation, with May receiving around 66 mm (2.6 in) and January slightly higher at 68 mm (2.7 in), but humidity levels are slightly lower in May at 82% compared to January's 87%. For more detailed information, you can check Castlewellan weather in January.
May typically offers milder weather compared to February, with temperatures ranging from a minimum of 2°C (35°F) to an average of 11°C (52°F) and a maximum of 19°C (67°F). In contrast, February sees cooler temperatures, with a minimum of -1°C (31°F), an average of 6°C (43°F), and a maximum of 12°C (55°F). While May experiences significantly less precipitation at 66 mm (2.6 in) over 12 days, February is wetter, recording 99 mm (3.9 in) across 17 days. Humidity levels are quite similar in both months, with May at 82% and February slightly higher at 86%. For a detailed overview of February weather, visit Castlewellan weather in February.
In comparing the weather conditions between March and May, it is evident that May offers a more temperate climate. May's minimum temperature is significantly higher at 2°C (35°F) compared to March's chilly -3°C (27°F), while the average temperature in May reaches 11°C (52°F) versus March's 7°C (44°F). Additionally, May sees a maximum temperature of 19°C (67°F), making it more suited for outdoor activities. However, March experiences slightly more precipitation with 92 mm (3.6 in) over 16 days, whereas May has 66 mm (2.6 in) over 12 days. Humidity levels are also slightly lower in May at 82%, compared to 86% in March. For a detailed look into March weather, you can visit Castlewellan weather in March.
In May, temperatures begin to rise with a minimum of 2°C (35°F), an average of 11°C (52°F), and a maximum of 19°C (67°F), showcasing a noticeable warming trend compared to April, where the temperatures range from a minimum of 0°C (32°F) to a maximum of 16°C (61°F) with an average of 8°C (47°F). Although May experiences a slight increase in precipitation to 66 mm (2.6 in) over 12 days, it is still more humid at 82%, surpassing April's 85% humidity and lower precipitation of 47 mm (1.8 in) over 9 days. This transition illustrates the gradual shift towards summer conditions, making May feel milder despite its increased rainfall. For a detailed look at the weather trends, you can visit Castlewellan weather in April.
In comparing the weather in May and June, it is evident that June generally offers warmer temperatures, with minimums rising from 2°C (35°F) in May to 7°C (44°F) in June. The average temperature also increases from 11°C (52°F) to 14°C (57°F), and the maximum temperature can reach up to 24°C (75°F) compared to May's 19°C (67°F). However, June experiences slightly more precipitation, with 78 mm (3.1 in) over 14 days, compared to May's 66 mm (2.6 in) over 12 days. Humidity levels are also a bit higher in June at 84%, compared to 82% in May. For more detailed information about June weather in Castlewellan, you can explore Castlewellan weather in June.
In May, the weather is notably cooler with temperatures ranging from a low of 2°C (35°F) to a mild high of 19°C (67°F), averaging around 11°C (52°F). The month sees about 66 mm (2.6 in) of precipitation over approximately 12 days, with humidity levels around 82%. In contrast, July experiences warmer temperatures, with a minimum of 9°C (48°F) and a maximum reaching 24°C (76°F), averaging 15°C (60°F). Consequently, July features increased precipitation at 85 mm (3.3 in), spread over about 14 days, and slightly higher humidity at 86%. For more detailed insights on July weather, visit Castlewellan weather in July.
May and August present contrasting weather patterns. In May, temperatures range from a chilly 2°C (35°F) to a pleasant 19°C (67°F), with an average of 11°C (52°F). The month sees around 66 mm (2.6 in) of precipitation spread across 12 days, paired with relatively high humidity at 82%. In contrast, August enjoys milder temperatures, with a minimum of 9°C (48°F) and a maximum of 21°C (69°F), averaging 15°C (59°F). However, it experiences more rainfall, with 120 mm (4.7 in) occurring over 18 days and an increase in humidity to 86%. For a closer look at August weather specifics, you can explore Castlewellan weather in August.
May's weather features milder temperatures with average highs of 19°C (67°F), while September sees a slight increase with maximum temperatures reaching 20°C (69°F). However, September is generally cooler at night, with minimum temperatures starting at 5°C (41°F) compared to May's 2°C (35°F). Precipitation is more pronounced in September, averaging 83 mm (3.3 in) over 16 days, compared to May's 66 mm (2.6 in) across 12 days. Additionally, September tends to be a bit more humid, with levels reaching 88% versus May's 82%. For more detailed weather information, check out Castlewellan weather in September.
May and October both feature similar average temperatures, with May slightly warmer, peaking at 19°C (67°F) compared to October's maximum of 18°C (64°F). However, October experiences higher humidity at 89% and increased precipitation, with 104 mm (4.1 in) of rain over 17 days, compared to May's 66 mm (2.6 in) over 12 days. Therefore, while temperatures are comparable, October's weather tends to be wetter and more humid, presenting a distinct shift in the climate as the seasons change. For a more detailed look at October weather, explore Castlewellan weather in October.
May and November present notably different weather conditions. In May, temperatures range from a minimum of 2°C (35°F) to a maximum of 19°C (67°F), with an average of 11°C (52°F) and 66 mm (2.6 in) of precipitation over approximately 12 rainy days. The humidity sits at a relatively comfortable 82%. In contrast, November experiences cooler temperatures, with a minimum of 1°C (34°F), an average of 8°C (47°F), and a maximum of 14°C (58°F). The month is wetter, with 113 mm (4.5 in) of rainfall spread across 16 days and a higher humidity level of 90%. For more detailed insights into the November climate, you can check out Castlewellan weather in November.
May and December present distinct weather characteristics. In May, temperatures range from a minimum of 2°C (35°F) to a maximum of 19°C (67°F), with an average of 11°C (52°F). Precipitation is relatively moderate at 66 mm (2.6 in) over 12 days, and humidity levels sit at 82%. In contrast, December experiences cooler temperatures, with a minimum of 0°C (32°F), an average of 7°C (44°F), and a maximum of 13°C (55°F). This month sees an increase in rainfall, totaling 104 mm (4.1 in) across 14 days, along with slightly higher humidity at 86%. For more detailed information about December weather, you can visit Castlewellan weather in December.
As May unfolds in Castlewellan, the weather experiences a notable shift from the chill of earlier months. With temperatures gradually rising, average daily highs reach around 19°C (67°F), offering a refreshing escape from the lingering winter cold. While there's still a touch of precipitation, averaging 66 mm across about 12 days, the increased warmth brings a vibrant burst of life to the landscape. The humidity can feel quite high at 82%, but the scenic beauty of the area transforms into a delightful experience, inviting locals and visitors alike to explore the breathtaking surroundings. For those keen on understanding weather patterns in more detail, check out Castlewellan Climate to plan your perfect visit.