May Weather in Waterford, Ireland

Last updated: March 17, 2025

In Waterford, Ireland, May ushers in a pleasant transition from spring to early summer, characterized by an average temperature of 11°C (52°F), with maximum highs reaching up to 18°C (65°F) and the minimum dipping to 3°C (37°F). However, the month is not without its share of moisture, recording 61 mm (2.4 in) of rainfall over 10 days, contributing to a relatively high humidity level of 83%. This blend of mild temperatures and frequent showers creates a lush, vibrant backdrop for exploring the scenic beauty of Waterford.

May Temperature in Waterford

As May arrives in Waterford, Ireland, the temperatures gently ascend, marking a delightful transition into spring. With minimums around 3°C (37°F) and maximums peaking at 18°C (65°F), the month boasts an average temperature of 11°C (52°F), making it one of the warmest months of the early year. This slight increase of nearly 2°C from April’s figures signals a departure from the chill of winter, as longer days invite a renewed vibrancy to the landscape. The gradual warming trend continues into June, but May is a standout month, offering a pleasant mix of mild temperatures that encourage outdoor activities and exploration. Whether strolling through blooming gardens or enjoying a leisurely coffee by the river, May in Waterford sets the stage for warmer days ahead.

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

The chart illustrates May temperature patterns in Waterford, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec454545485257616057534846
Data source: Temperature data for Waterford generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Waterford

In Waterford, Ireland, May sees a gentle return to familiar patterns with precipitation amounting to 61 mm (2.4 in), mirroring the figures from January. The month typically experiences about 10 rainy days, suggesting a slight dip in rainfall compared to the busier April, which had 11 days of rain. This trend continues into the early summer, indicating a moderate but steady environment as residents and visitors alike can expect a balanced mix of sunny days and overcast skies. With the precipitation levels in May consistent with the spring season, it provides a comfortable transition into the wetter months ahead.

May Precipitation Trends in Waterford

The chart displays monthly precipitation patterns in Waterford, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6110789676171629374110125126
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Waterford

In Waterford, Ireland, the humidity in May averages around 83%, slightly lower than the preceding months, which generally hover between 85% and 87%. This decline marks a subtle shift as the spring transitions into summer, providing a brief respite before the summer months bring back the higher humidity levels. Interestingly, the humidity does not fluctuate drastically throughout the year; it remains consistently high, with February and March maintaining the top spot at 86%. This trend highlights Waterford's maritime climate, characterized by persistent moisture, making it a lush and vibrant destination even as May heralds the onset of more temperate weather.

May Average Humidity in Waterford

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

May UV Index in Waterford

As spring transitions into summer, May in Waterford, Ireland heralds a significant increase in UV exposure, with the UV Index climbing to 7, categorizing it as high and reducing the safe burn time to just 25 minutes. This pattern marks a noticeable shift from the moderate levels observed in March and April, emphasizing the necessity for sun protection as longer days and sunnier weather encourage outdoor activities. With the UV Index poised to reach even higher levels in the coming months, it's crucial for residents and visitors alike to remain vigilant about sun safety. For more detailed information on the UV levels throughout the year, check out Waterford UV Index.

Maximum UV Index Levels in Waterford for May

The chart shows the monthly maximum UV Index (UVI) for Waterford 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: Waterford 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 Waterford

May in Waterford, Ireland, heralds the arrival of brighter days, with sunlight peaking at an impressive 401 hours. This marks a significant leap from the early months of the year, where January's 93 hours offer a stark contrast to the late spring’s glow. As the landscape bursts into bloom, April’s 310 hours serve as a gentle precursor to May’s vibrant warmth, showcasing a steady increase in daylight that continues into early summer. Even as June and July maintain their glow with 398 and 408 hours respectively, the growth witnessed in May not only highlights the transition from chilly winter but also sets the stage for the sun-drenched days of summer ahead, inviting residents and visitors alike to embrace outdoor adventures and the beauty of nature flourishing under the expanding daylight.

Monthly Sunshine Duration in Waterford: May Highlighted

The May sunshine duration represents the total number of hours Waterford 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.
JanFebMarAprMayJunJulAugSepOctNovDec93h150h206h310h401h398h408h358h308h245h135h110h
Data source: Waterford May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Waterford During May

May in Waterford, Ireland, brings a moderate 35% chance of sunny weather, reflecting a slight dip from the previous month, which enjoys a more promising 48% likelihood of sunshine in April. This transitional month often heralds the vibrant blooms of spring, though the sunshine can be unpredictable. Historically, the chances of sunny days decrease as the summer months approach, with June and July showing only 26% and 34% chances, respectively. As weather patterns shift, May serves as a gentle reminder that while the sun may not always be shining, the beauty of springtime in Ireland continues to thrive, promising a delightful experience for locals and visitors alike.

Percentage of Sunny Days in May in Waterford

The chart illustrates the percentage of sunny days in Waterford 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 Waterford experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec31%24%26%48%35%26%34%31%23%20%31%24%
Data source: Waterford May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Waterford in May

As spring transitions into summer, Waterford, Ireland, experiences a remarkable surge in daylight during May, enjoying 15 hours of sun-drenched skies. This increase reflects a broader trend where the amount of daylight steadily ascends from the 8 hours in January, peaking at 16 hours in June and July. The gentle climb from May's 15 hours sets a vibrant tone for the season, inviting both locals and visitors to bask in the longer days. As summer wanes into autumn, daylight gradually decreases, highlighting a seasonal rhythm that captivates the essence of Irish weather. This faithful cycle of light and shadow enhances the ever-changing landscape of Waterford, making each month a unique experience.

Average Daylight Hours in Waterford for May

The chart illustrates the variation in daylight duration in Waterford throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 18m9h 55m11h 54m13h 57m15h 43m16h 39m16h 9m14h 33m12h 35m10h 34m8h 45m7h 47m
Data source: Waterford daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Waterford

In May, Waterford experiences a moderate average wind speed of 5.3 m/s (12 mph), reflecting a transition as spring draws to a close. Notably, while the wind picks up slightly from April's calmer 4.4 m/s (10 mph), it remains less blustery than the gusty months of January and October, which showcase averages of 5.9 m/s (13 mph) and 6.1 m/s (14 mph) respectively. A trend emerges as we move from the breezy months of early winter towards late spring: the wind generally decreases from February’s peak and continues to soften into the summer months. This seasonal fluctuation paints a picture of Waterford’s wind patterns, where late spring is characterized by gentle breezes, perfect for outdoor activities amidst blooming landscapes.

Average May Wind Speed in Waterford

The chart displays monthly wind speed patterns in Waterford, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.97.75.74.45.3 m/s4.53.74.74.16.15.56.4
Data source: Waterford May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Waterford Compares to Other Months

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

May and January present contrasting weather profiles, despite having similar levels of precipitation. In May, temperatures range from a minimum of 3°C (37°F) to a maximum of 18°C (65°F), with an average of 11°C (52°F), while January sees cooler temperatures, with a minimum of 0°C (31°F) and a maximum of 13°C (56°F), averaging 7°C (45°F). Both months experience around 61 mm (2.4 in) of precipitation, but May enjoys slightly less rain spread over 10 days compared to January's 12 days. Humidity also differs slightly, with May at 83% and January at 85%. For a detailed look at January weather, you can visit Waterford weather in January.

In comparing the weather between May and February, May tends to be warmer with average temperatures reaching around 11°C (52°F) and a maximum of 18°C (65°F), while February has a cooler average of 7°C (45°F) and peaks at 13°C (56°F). Precipitation is notably higher in February, with 107 mm (4.2 in) of rain over 16 days, compared to May's 61 mm (2.4 in) over just 10 days. Both months experience high humidity, with February slightly higher at 86% versus May's 83%. For more detailed insights on February weather, you can check Waterford weather in February.

In comparing the weather between March and May, we see a notable transition as spring unfolds into late spring. May typically enjoys milder temperatures, ranging from a minimum of 3°C (37°F) to an average of 11°C (52°F) and a maximum of 18°C (65°F), in contrast to March, where temperatures can drop to as low as -4°C (26°F), with an average of 7°C (46°F) peaking at 13°C (56°F). While precipitation is slightly lower in May at 61 mm (2.4 in) over about 10 days, March tends to be wetter with 89 mm (3.5 in) spread across 16 days. Both months exhibit high humidity levels, with March slightly higher at 86% compared to May’s 83%. For a more detailed look at March weather, you can visit Waterford weather in March.

In comparing the weather conditions of April and May, we observe a gradual warming trend as spring progresses. In May, temperatures range from a minimum of 3°C (37°F) to a maximum of 18°C (65°F), with an average temperature of 11°C (52°F). This represents a slight increase from April, where temperatures range from 1°C (34°F) to 16°C (60°F) and average around 9°C (48°F). Although May experiences slightly less precipitation at 61 mm (2.4 in) over 10 days compared to April's 67 mm (2.6 in) over 11 days, the humidity remains relatively constant with May at 83% and April at 85%. For more detailed information on April's weather, you can visit Waterford weather in April.

In May, temperatures in Waterford typically range from a chilly 3°C (37°F) at night to a pleasant 18°C (65°F) during the day, with an average temperature of 11°C (52°F). The month sees about 61 mm (2.4 in) of precipitation over approximately 10 days, coupled with a humidity level of 83%. In contrast, June brings a noticeable warming trend, with minimum temperatures rising to 8°C (46°F) and maximum temperatures reaching up to 22°C (72°F), resulting in an average of 14°C (57°F). Although June has slightly more precipitation at 71 mm (2.8 in) across 11 days, humidity remains relatively high at 85%. For more detailed insights, check out Waterford weather in June.

In May, the weather is noticeably cooler, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 18°C (65°F) and an average of 11°C (52°F). The month experiences about 61 mm (2.4 in) of precipitation over approximately 10 days, with high humidity levels at 83%. In contrast, July brings warmer temperatures, with a minimum of 10°C (50°F), an average of 16°C (61°F), and a maximum of 22°C (72°F). Although July has slightly more precipitation at 62 mm (2.4 in) spread over 11 days, the humidity rises marginally to 86%. For more details on July's weather, check Waterford weather in July.

In May, the weather tends to be cooler, with average temperatures ranging from a minimum of 3°C (37°F) to a maximum of 18°C (65°F). This month experiences about 61 mm (2.4 in) of precipitation over an average of 10 days, accompanied by a high humidity level of 83%. In contrast, August sees warmer temperatures, with averages between 9°C (48°F) and 21°C (70°F). The month is slightly wetter, receiving 93 mm (3.7 in) of rain over around 12 days, and humidity levels rise just a bit to 85%. For a more detailed look at August conditions, you can visit Waterford weather in August.

In May, the weather is generally cooler, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 18°C (65°F) and an average of 11°C (52°F). The month experiences about 61 mm (2.4 in) of precipitation over 10 days, along with a relatively high humidity of 83%. In contrast, September offers milder temperatures, with a minimum of 6°C (42°F) and a maximum of 21°C (70°F), averaging 14°C (58°F). Precipitation levels increase slightly to 74 mm (2.9 in) over 12 days, with humidity reaching 86%. For more details on September weather, you can check out Waterford weather in September.

May and October share similar temperature ranges, with averages around 11-12°C (52-53°F) and maximums of 18°C (65°F) in May and 18°C (64°F) in October. However, October tends to be wetter, receiving 110 mm (4.3 in) of precipitation over 16 days compared to May's 61 mm (2.4 in) over 10 days. Additionally, humidity levels rise slightly in October to 87% from May's 83%, creating a more damp atmosphere. For more specific details on October weather, you can visit Waterford weather in October.

May and November present contrasting weather patterns, each with its distinct characteristics. May typically offers milder temperatures, with a minimum of 3°C (37°F) and a maximum of 18°C (65°F), showcasing an average of 11°C (52°F). In contrast, November sees cooler conditions, featuring a minimum of 2°C (36°F) and a maximum of 15°C (59°F), with an average low of 9°C (49°F). Precipitation is more frequent in November, averaging 125 mm (4.9 in) over 17 days, compared to May’s 61 mm (2.4 in) on just 10 days. Both months have relatively high humidity, with November slightly higher at 86% compared to May's 83%. For a more detailed look at November's weather specifics, you can visit Waterford weather in November.

May and December present quite contrasting weather patterns. In May, temperatures range from a minimum of 3°C (37°F) to a maximum of 18°C (65°F), with an average of 11°C (52°F), making it a generally mild month. Precipitation is moderate, totaling 61 mm (2.4 in) over about 10 days, accompanied by a humidity level of 83%. Conversely, December sees cooler temperatures, with lows of -1°C (31°F) and highs reaching only 13°C (56°F), averaging around 8°C (47°F). Additionally, December experiences significantly more precipitation at 126 mm (5.0 in) across approximately 15 days, while humidity remains relatively high at 84%. For a detailed view of December weather, you can check Waterford weather in December.

Compare Waterford's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Waterford

As spring gracefully unfolds, May in Waterford presents a delightful contrast to the chillier months, with temperatures rising and nature bursting into bloom. This month sees warmer highs that invite outdoor activities, although the average remains refreshingly cool. While May brings its share of rainy days, the abundant humidity adds to the lush landscapes, creating a vibrant backdrop for exploration. Unlike the preceding months, the weather becomes more pleasant, making it a fantastic time to enjoy the beauty of this charming city. To learn more about annual trends, visit Waterford Climate.