May Weather in Castlemartyr, Ireland

Last updated: March 17, 2025

In Castlemartyr, Ireland, May brings a delightful blend of mild temperatures and intermittent rainfall. With a maximum temperature reaching 21°C (69°F), the month showcases pleasant days, while the average temperature hovers around 11°C (52°F), offering a refreshing experience for locals and visitors alike. Nighttime can be brisk, with lows dipping to 2°C (36°F). This month sees 75 mm (3.0 in) of precipitation over 12 days, contributing to the lush, green landscapes that Ireland is famed for. Coupled with a humidity level of 84%, May in Castlemartyr is a season of vibrant growth and refreshing breezes—ideal for outdoor adventures and exploration.

May Temperature in Castlemartyr

In Castlemartyr, Ireland, the temperatures in May mark a notable transition into the warming season. The month begins with a minimum temperature of 2°C (36°F), indicating a fresh start, and progresses to an inviting maximum of 21°C (69°F), perfect for enjoying outdoor activities. With an average temperature of 11°C (52°F), May serves as a bridge between the coolness of spring and the warmth of summer, reflecting a steady upward trend compared to earlier months. This shift is particularly welcomed after the chill of winter and the moderate conditions of April, making May an ideal time for exploring the lush landscapes and vibrant flora that Ireland is renowned for. As the days lengthen and temperatures rise, Castlemartyr comes alive, inviting both locals and visitors to bask in the pleasant spring warmth.

May Weather in Castlemartyr: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Castlemartyr, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec444545485257616057524846
Data source: Temperature data for Castlemartyr 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.

May Precipitation in Castlemartyr

In May, Castlemartyr experiences a moderate precipitation level, averaging 75 mm (3.0 in) over 12 days of rain. This amount reflects a slight decline from the wetter months of February and March, which recorded over 120 mm and 90 mm, respectively. Although May’s rainfall is lower than that of the preceding April (80 mm), it still contributes to the lush greenery that characterizes the Irish countryside. As the spring draws to a close, the frequency of rainy days remains consistent, setting a balanced tone of moisture that nurtures the vibrant landscapes of this charming locale.

May Precipitation Trends in Castlemartyr

The chart displays monthly precipitation patterns in Castlemartyr, with values for each month alongside May's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec68124978075677010377121115129
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Castlemartyr

In Castlemartyr, Ireland, May presents a steady humidity level of 84%, aligning closely with the preceding months of April and March, which also hovered around the same percentage. This consistency showcases the region's relatively stable atmospheric conditions during early spring. As summer approaches, the humidity remains largely unchanged at 85% in June and July, indicating a gradual but steady rise. What’s remarkable is the overall trend where humidity levels remain consistently high throughout the year, particularly peaking in the autumn months of October and November at 86%, reflecting the area's lush, verdant landscape and its oceanic climate influence.

May Average Humidity in Castlemartyr

This chart illustrates the average monthly humidity levels in Castlemartyr, with May's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how May's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec83%85%84%84%84%85%85%84%85%86%84%83%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Castlemartyr

As May rolls into Castlemartyr, Ireland, residents and visitors experience a notable shift in UV exposure, with the UV Index peaking at 7. This high level indicates a significant rise in sun intensity compared to the earlier months of the year, where the index hovered between 1 and 5. As the burn time decreases to just 25 minutes, it's essential to take protective measures against potential skin damage. This trend marks a transition from the more mild conditions of spring to the sun-filled days of summer. Staying informed about local UV levels is crucial; for more details, check out Castlemartyr UV Index.

Maximum UV Index Levels in Castlemartyr for May

The chart shows the monthly maximum UV Index (UVI) for Castlemartyr in May, 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.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Castlemartyr May 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.

May Sunshine in Castlemartyr

May in Castlemartyr, Ireland is a vibrant transition into summer, boasting a remarkable 392 hours of sunshine. This is a notable increase compared to the preceding months, showcasing a leap from 307 hours in April and paving the way for June's slightly lower but still impressive 385 hours. As spring nears its end and summer begins, the town basks in prolonged daylight, inviting both locals and visitors to enjoy its scenic beauty. Following the trend of increasing sunshine from the beginning of the year, where January had a mere 89 hours, May stands out as a high point, reinforcing the allure of Castlemartyr for outdoor activities and leisurely exploration. As the sun shines more brightly, it invigorates the spirit, making May truly a golden month in this enchanting corner of Ireland.

Monthly Sunshine Duration in Castlemartyr: May Highlighted

The May sunshine duration represents the total number of hours Castlemartyr experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec89h140h197h307h392h385h396h353h298h235h129h103h
Data source: Castlemartyr May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Castlemartyr During May

In Castlemartyr, Ireland, the likelihood of sunny weather in May stands at 31%, maintaining a consistent average that mirrors the earlier months of the year. April provides a hopeful uptick with a 46% chance of sunshine, hinting at the approach of summer. However, as the seasons shift into June and beyond, the probability of sunny days fluctuates, dropping to 26% and further decreasing through the summer months. This trend suggests that while May offers a reasonable chance for sun, it remains closely tied to the variability seen from the transitional spring days, making every sunny moment in this picturesque village a delightful surprise.

Percentage of Sunny Days in May in Castlemartyr

The chart illustrates the percentage of sunny days in Castlemartyr throughout the year, with May 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 Castlemartyr experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec32%23%23%46%31%26%29%27%21%20%30%21%
Data source: Castlemartyr May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Castlemartyr in May

In Castlemartyr, Ireland, the arrival of May heralds longer days, with daylight stretching to an impressive 15 hours. This upward trend in daylight, which begins in January with a modest 8 hours, truly gains momentum as the year progresses, particularly in the spring months. From 11 hours in March and 13 hours in April, the increase to 15 hours in May sets the stage for the longest days of the year in June, when daylight peaks at 16 hours. As summer unfolds, the daylight begins to taper off, but the warmth and brightness of May still offer ample time for outdoor adventures, contrasting with the shorter days that will follow in the autumn months.

Average Daylight Hours in Castlemartyr for May

The chart illustrates the variation in daylight duration in Castlemartyr throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 20m9h 56m11h 55m13h 56m15h 41m16h 37m16h 7m14h 32m12h 35m10h 35m8h 47m7h 49m
Data source: Castlemartyr daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Castlemartyr

In Castlemartyr, Ireland, the month of May experiences a moderate average wind speed of 4.6 m/s (10 mph), positioning it comfortably within the middle range of the annual wind patterns. Following a slight dip in April, May's winds pick up again, reflecting a trend seen in the preceding months where January and February boasted windier conditions at 4.7 m/s and 6.7 m/s, respectively. As the year progresses into June and July, winds tend to calm down, with an average of 3.9 m/s and 3.4 m/s. This suggests a seasonal shift, where the lush landscape and warmer temperatures of late spring begin to overshadow the brisk breezes of early year. With a gentle breeze, May serves as a perfect backdrop for enjoying the serene beauty of Castlemartyr, making it an inviting time for both locals and visitors alike.

Average May Wind Speed in Castlemartyr

The chart displays monthly wind speed patterns in Castlemartyr, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.76.74.83.94.6 m/s3.93.44.03.74.94.45.5
Data source: Castlemartyr May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Castlemartyr Compares to Other Months

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

May and January present distinct contrasts in weather conditions. In May, temperatures range from a chilly 2°C (36°F) to a pleasant 21°C (69°F), with an average of 11°C (52°F). The humidity is high at 84%, and the month sees approximately 75 mm (3.0 in) of rainfall over 12 days. In comparison, January features cooler temperatures, with lows of -3°C (27°F) and a maximum of only 13°C (56°F), averaging at 7°C (44°F). January experiences slightly less rainfall at 68 mm (2.7 in) across 11 days, while maintaining a similar humidity level at 83%. For a closer look at the January weather, you can refer to Castlemartyr weather in January.

When comparing the weather in May and February, a noticeable difference in temperatures stands out. May typically enjoys milder conditions with average temperatures ranging from a minimum of 2°C (36°F) to a maximum of 21°C (69°F), while February has lower averages with temperatures between -1°C (31°F) and 13°C (56°F). Additionally, May experiences less precipitation, totaling 75 mm (3.0 in) over approximately 12 days, compared to February’s higher rainfall of 124 mm (4.9 in) spread across 17 days. Despite the frequent rainfall in February, humidity levels remain quite similar, with February at 85% and May at 84%. For a more detailed look at February’s weather conditions, please visit Castlemartyr weather in February.

When comparing the weather in May and March, it becomes clear that May is generally warmer and more temperate. In May, temperatures range from a minimum of 2°C (36°F) to a maximum of 21°C (69°F), with an average of 11°C (52°F). In contrast, March experiences colder temperatures, starting at a minimum of -5°C (24°F), peaking at 14°C (58°F), and averaging only 7°C (45°F). While both months have high humidity levels at 84%, March tends to have slightly more precipitation, with 97 mm (3.8 in) over 16 days compared to May's 75 mm (3.0 in) over 12 days. For more detailed insights, you can check Castlemartyr weather in March.

In comparing the weather of May and April, one can observe that May typically experiences slightly warmer temperatures, with average highs reaching 21°C (69°F) compared to April's max of 16°C (62°F). The minimum temperature in May is also higher at 2°C (36°F), while April has a minimum of 0°C (32°F). Precipitation levels are quite similar, with May receiving 75 mm (3.0 in) over 12 days and April having 80 mm (3.2 in) over 11 days. Notably, humidity remains consistent at 84% for both months, contributing to a generally moist atmosphere. For a detailed look at April's weather in Castlemartyr, you can visit Castlemartyr weather in April.

May and June exhibit notable differences in weather patterns. In May, temperatures range from a minimum of 2°C (36°F) to a maximum of 21°C (69°F), with an average of 11°C (52°F). The month sees approximately 75 mm (3.0 in) of precipitation over 12 days, accompanied by a humidity level of 84%. In contrast, June brings slightly warmer temperatures, with a minimum of 6°C (44°F), an average of 14°C (57°F), and a maximum of 24°C (75°F). Additionally, rainfall decreases to about 67 mm (2.6 in) across 11 days, with humidity rising slightly to 85%. For more details, check out Castlemartyr weather in June.

May and July present distinct differences in weather. In May, temperatures range from a chilly minimum of 2°C (36°F) to a comfortable maximum of 21°C (69°F), with an average of 11°C (52°F). The month experiences a total of 75 mm (3.0 inches) of rainfall over 12 days and maintains a high humidity level of 84%. In contrast, July brings warmer temperatures, with a minimum of 8°C (47°F) and a maximum of 24°C (76°F), averaging around 16°C (61°F). Despite experiencing slightly less precipitation at 70 mm (2.8 inches) over the same number of days, humidity remains high at 85%. For more detailed insights, check out Castlemartyr weather in July.

In comparing the weather between May and August, we see notable differences in temperature and precipitation patterns. May experiences a cooler temperature range with a minimum of 2°C (36°F) and an average of 11°C (52°F), while August is warmer, with temperatures starting at a minimum of 7°C (45°F) and averaging 15°C (60°F). Additionally, August tends to be slightly wetter, receiving 103 mm (4.1 in) of precipitation over 14 days compared to May's 75 mm (3.0 in) over 12 days. Interestingly, both months maintain the same humidity level of 84%. For those interested in more details about August's climate, please check this link: Castlemartyr weather in August.

May and September present similar yet distinct weather patterns. In May, temperatures range from a chilly 2°C (36°F) at night to a pleasant 21°C (69°F) during the day, averaging around 11°C (52°F), while September offers slightly warmer nights with a minimum of 4°C (40°F) and daytime highs reaching 22°C (72°F), averaging 14°C (57°F). Both months experience comparable levels of precipitation, with May receiving 75 mm (3.0 in) over 12 days and September seeing 77 mm (3.0 in) over 13 days; however, the humidity remains consistently high in both months at around 84% in May and 85% in September. For more detailed insights into September's weather, you can check Castlemartyr weather in September.

May and October exhibit distinct yet somewhat similar weather patterns, particularly in temperature and humidity. Both months have the same minimum temperature of 2°C (36°F) and a comparable average temperature, with May averaging 11°C (52°F) and October slightly higher at 11°C (53°F). However, May can reach a maximum of 21°C (69°F), while October's maximum is more moderate at 17°C (63°F). Additionally, October experiences higher precipitation levels at 121 mm (4.7 in) over 16 days, compared to May's 75 mm (3.0 in) over 12 days. Humidity also rises slightly in October to 86%, compared to May's 84%. For more details on October weather, visit Castlemartyr weather in October.

May and November present contrasting weather conditions, though both share a consistent humidity level of 84%. In May, temperatures range from a minimum of 2°C (36°F) to a pleasant maximum of 21°C (69°F), with an average of 11°C (52°F). This month typically experiences around 75 mm (3.0 in) of precipitation over 12 days. In contrast, November is notably cooler with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 15°C (59°F), averaging at 9°C (48°F). Additionally, November sees increased precipitation of about 115 mm (4.5 in) over 16 days. For more details on November weather, you can check Castlemartyr weather in November.

In comparing the weather between May and December, notable differences emerge in temperature and precipitation patterns. May experiences milder temperatures, with averages around 11°C (52°F) and maximums reaching up to 21°C (69°F), while December is cooler, with averages of 8°C (46°F) and maximums peaking at 13°C (56°F). Additionally, May sees about 75 mm (3.0 in) of rain over approximately 12 days, making it less wet compared to December, which has a higher precipitation of 129 mm (5.1 in) spread over 17 days. Humidity remains relatively similar, with May holding an 84% humidity level, while December is slightly lower at 83%. For a more detailed look at December weather, you can visit Castlemartyr weather in December.

Compare Castlemartyr's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Castlemartyr

As May unfolds in Castlemartyr, the weather takes on a more temperate character, contrasting with the chill of earlier months. The average temperature rises significantly, making outdoor activities more enjoyable, while the frequency of rain continues to remind us of the region's climate variability. With humidity levels at 84%, the air feels more lush, yet this also contributes to the 12 days of precipitation experienced throughout the month. Overall, May is a beautiful blend of mild warmth and varied weather, setting the stage for the vibrant summer months ahead. For detailed insights into the climate nuances throughout the year, check out Castlemartyr Climate.