May Weather in Straffan, Ireland

Last updated: March 17, 2025

May in Straffan, Ireland showcases a delightful range of temperatures, with a maximum peak of 23°C (74°F) and a refreshing average of 11°C (53°F). Despite the warmth, nights can turn brisk, dipping to a minimum of -1°C (30°F). The month is characterized by a notable 72 mm (2.8 in) of rainfall spread over 13 days, contributing to the lush greenery typical of the region. With humidity reaching 83%, May presents a blend of vibrant weather that highlights the enchanting beauty of the Irish landscape.

May Temperature in Straffan

In May, Straffan, Ireland, begins to shake off the chill of winter, showcasing a delightful upward trend in temperatures. With minimums around -1°C (30°F), the average hovers at a comfortable 11°C (53°F), peaking at a warm 23°C (74°F), indicating the arrival of spring's full bloom. This stark increase from the previous months—where temperatures barely crept above 8°C (47°F) in April—marks a significant shift, inviting outdoor activities and a vibrant atmosphere. As the days grow longer and sunnier, May sets the stage for the balmy summer months ahead, making it a perfect time for exploring the lush greenery that Ireland is renowned for.

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

The chart illustrates May temperature patterns in Straffan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414344475257615956514543
Data source: Temperature data for Straffan 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 Straffan

May in Straffan, Ireland, brings 72 mm (2.8 in) of precipitation, showcasing a slight dip from the wetter months of February and March. Rainfall is felt across 13 days, offering a refreshing interlude before the summer months. This gradual shift signifies a transition into a milder season, where precipitation is slightly above April's 51 mm but anticipates the approaching summer's average. Overall, the pattern indicates that while May remains moderately wet, it sets the stage for the drier months ahead, as the region begins to warm up, bringing both sunshine and sporadic rain showers.

May Precipitation Trends in Straffan

The chart displays monthly precipitation patterns in Straffan, 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.
JanFebMarAprMayJunJulAugSepOctNovDec557981517273789468828890
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Straffan

In May, the humidity in Straffan, Ireland dips slightly to 83%, marking it as one of the more comfortable months as spring transitions into summer. This modest decrease follows a consistent level of 85% during the preceding months of January through April, highlighting a trend of relatively stable humidity levels throughout the spring season. While the humidity rises again in June to 85%, May's brief reprieve allows residents and visitors to enjoy the fresh blooms and longer days with a touch more ease. The overall pattern of humidity suggests a humid climate, with levels generally hovering between 83% and 87% throughout the year, creating a lush landscape but also a reminder of the dampness that characterizes Irish weather.

May Average Humidity in Straffan

This chart illustrates the average monthly humidity levels in Straffan, 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 Straffan

As May unfolds in Straffan, Ireland, residents and visitors alike should take note of the increased UV Index, which reaches a peak of 7, classifying it in the high exposure category. This marks a significant rise from the more moderate levels seen in the preceding months, where the UV Index was between 1 and 5. Consequently, the recommended burn time shrinks to just 25 minutes, highlighting the importance of sun safety as temperatures begin to warm up. With summer approaching, this trend continues into June and July, where UV levels rise even further, underscoring the necessity for sunscreen and protective clothing. To stay informed about UV exposure and recommendations throughout the year, check out Straffan UV Index.

Maximum UV Index Levels in Straffan for May

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

In Straffan, Ireland, May shines brightly as the pinnacle of sunshine, boasting a remarkable 391 hours of sunlight—a significant leap from the earlier months. This vibrant month marks the transition into summer, following a steady climb from 83 hours in January to an impressive 311 hours in April. The sunny trend continues into June and July, both retaining around 385 hours, before tapering off in August and September. As autumn approaches, the dwindling hours of sunlight in October and November remind us of the fleeting nature of springtime brightness, with December bringing just 95 hours. May truly embodies the spirit of warmth and light in Straffan, making it a captivating time for both locals and visitors alike.

Monthly Sunshine Duration in Straffan: May Highlighted

The May sunshine duration represents the total number of hours Straffan 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.
JanFebMarAprMayJunJulAugSepOctNovDec83h147h191h311h391h385h385h339h294h230h120h95h
Data source: Straffan May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Straffan During May

In Straffan, Ireland, the likelihood of sunny weather experiences a notable spark in May, with a 31% chance of sunshine. This is a significant improvement compared to the earlier months of the year, such as January and February, where the sun only graces the skies 24% and 21% of the time, respectively. As spring transitions into late spring, April offers a burst of brightness at 43%, paving the way for May's moderate optimism. However, as the summer months approach, this likelihood dips again, with June and July seeing chances of sun at 22% and 29%. Thus, while May brings more cheerful prospects than the preceding months, it remains a transitional period before the summer's variability takes hold.

Percentage of Sunny Days in May in Straffan

The chart illustrates the percentage of sunny days in Straffan 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 Straffan experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec24%21%21%43%31%22%29%24%19%18%25%22%
Data source: Straffan May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Straffan in May

As spring gives way to summer in Straffan, Ireland, daylight hours steadily increase, creating a vibrant atmosphere. In January, the day stretches to just 8 hours, slowly growing as winter bids farewell. By February, this rises to 9 hours, and in March, we see a leap to 11 hours, hinting at the warmth to come. April brings 14 hours of daylight, paving the way for the brilliance of May, which boasts 15 hours. The trend continues into June and July, where daylight peaks at a remarkable 16 hours, illuminating the long summer evenings. As we transition into late summer and fall, daylight begins to retreat, with August offering 14 hours, and the hours dropping to 12 in September. By the time October arrives, days dwindle to 10 hours, leaving us with just 8 in November and 7 by December, as the cycle prepares to begin anew. This rhythmic dance of light not only marks the seasons but also enriches the spirit of Straffan’s natural beauty.

Average Daylight Hours in Straffan for May

The chart illustrates the variation in daylight duration in Straffan throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 8m9h 50m11h 54m14h 1m15h 53m16h 52m16h 21m14h 39m12h 37m10h 30m8h 36m7h 35m
Data source: Straffan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Straffan

In May, the wind in Straffan, Ireland picks up slightly with an average speed of 3.6 m/s (8 mph), offering a pleasant backdrop to the blooming landscapes. While March and April see slightly higher gusts, May's winds can still be felt as gentle zephyrs, perfect for outdoor activities. This month tends to be calmer compared to the breezier months of January and October, which peak at 3.9 m/s and 4.3 m/s respectively. As summer approaches, the wind speeds generally decline, with July reaching its lowest point at 2.6 m/s (6 mph). Overall, May's conditions create a delightful transition, blending the freshness of spring with the tranquil essence of early summer, ideal for enjoying the natural beauty of the area.

Average May Wind Speed in Straffan

The chart displays monthly wind speed patterns in Straffan, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.95.44.33.13.6 m/s3.42.63.33.14.34.14.3
Data source: Straffan May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Straffan Compares to Other Months

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

In comparing the weather of May and January, May emerges as a much warmer month, with average temperatures reaching 11°C (53°F) and highs of 23°C (74°F), compared to January's cooler average of 5°C (42°F) and maximums of 13°C (56°F). While May experiences more rainfall over a longer number of days, totaling 72 mm (2.8 in) over 13 days, January's precipitation is slightly less at 55 mm (2.2 in) across 10 days. Additionally, humidity levels remain fairly high in both months, with May at 83% and January at 85%, indicating a dampness in the air year-round. For more details on January's weather patterns, you can visit Straffan weather in January.

May and February present contrasting weather patterns, showcasing the transition from winter to spring. In February, temperatures range from a chilly -3°C (27°F) to a mild 16°C (60°F), with an average of 6°C (43°F). This month experiences slightly more precipitation, totaling 79 mm (3.1 in) over about 15 days, coupled with a humidity level of 86%. In contrast, May brings warmer weather, with temperatures varying from -1°C (30°F) to a pleasant 23°C (74°F) and an average of 11°C (53°F). While it has a lower overall precipitation of 72 mm (2.8 in) across 13 days, it remains relatively humid at 83%. For more details on the weather specifics, you can explore Straffan weather in February.

In comparing the weather conditions of March and May, it’s evident that May offers a milder climate with average temperatures rising to 11°C (53°F), while March remains cooler with an average of 7°C (44°F). The maximum temperatures in May can reach up to 23°C (74°F), significantly warmer than March's peak of 17°C (63°F). Both months experience measurable precipitation, with March recording 81 mm (3.2 in) over 16 days compared to May's 72 mm (2.8 in) spread across 13 days. Additionally, humidity levels are slightly higher in March at 86% compared to May’s 83%. For a detailed look at March's weather, check out Straffan weather in March.

May generally offers warmer temperatures compared to April, with average highs reaching 23°C (74°F) versus April's 21°C (69°F). The minimum temperatures are slightly milder in May, with a low of -1°C (30°F) compared to April's -3°C (27°F). Additionally, May sees increased precipitation at 72 mm (2.8 in) over 13 days, while April experiences 51 mm (2.0 in) across 11 days. Humidity levels remain relatively high in both months, with April at 85% and May at 83%. For a detailed comparison of weather conditions, you can check Straffan weather in April.

May and June exhibit a notable transition in weather patterns. May starts with cooler temperatures, ranging from a minimum of -1°C (30°F) to a maximum of 23°C (74°F), averaging around 11°C (53°F), while June sees warmer conditions with a minimum of 5°C (41°F) and a maximum of 27°C (80°F), averaging 14°C (58°F). Both months experience similar levels of precipitation, with May recording 72 mm (2.8 in) over 13 days and June slightly higher at 73 mm (2.9 in) over 14 days. Additionally, humidity rises slightly from 83% in May to 85% in June, indicating a more humid feel as summer approaches. For more details, check the Straffan weather in June.

May and July exhibit distinct weather patterns, showcasing the transition from spring to summer. In May, temperatures range from a chilly minimum of -1°C (30°F) to a comfortable maximum of 23°C (74°F), with an average of 11°C (53°F). The month sees 72 mm (2.8 in) of precipitation over 13 days, accompanied by relatively high humidity at 83%. In contrast, July offers milder temperatures, with a minimum of 7°C (44°F), an average of 16°C (61°F), and a maximum of 27°C (81°F). While July receives slightly more precipitation at 77 mm (3.0 in) over the same number of days, humidity rises to 86%, creating a warm, humid climate. For a detailed overview, you can check Straffan weather in July.

May and August present distinct weather patterns, showcasing the transition from spring to summer. May experiences cooler temperatures, with an average of 11°C (53°F) and a maximum of 23°C (74°F), while August maintains a slightly warmer average of 15°C (60°F) and peaks at 24°C (75°F). Precipitation is more pronounced in August, with 94 mm (3.7 in) over 17 days compared to May's 72 mm (2.8 in) over 13 days, contributing to higher humidity levels in both months—83% in May and 85% in August. For more details, you can check Straffan weather in August.

May and September offer mild temperatures with some similarities, but distinct characteristics mark each month. In May, the average temperature hovers around 11°C (53°F), with minimums dipping to -1°C (30°F) and maximums reaching 23°C (74°F). It experiences about 72 mm (2.8 in) of precipitation over 13 days, coupled with high humidity at 83%. Conversely, September shows slightly warmer weather with an average of 13°C (56°F), a minimum of 2°C (35°F), and a maximum of 24°C (76°F). The month has slightly less precipitation at 68 mm (2.7 in), also spread over 13 days, though humidity is slightly higher at 86%. For more detailed information on September weather, you can check Straffan weather in September.

May and October present contrasting yet similar weather patterns. In May, temperatures range from a chilly -1°C (30°F) at night to a pleasant 23°C (74°F) during the day, with an average of 11°C (53°F). The month sees about 72 mm (2.8 in) of precipitation spread over 13 days, accompanied by a humidity level of 83%. In comparison, October experiences slightly milder temperatures, with minimums around 0°C (32°F) and maximums peaking at 19°C (67°F), averaging 10°C (51°F). The month is also a bit wetter than May, with 82 mm (3.2 in) of rainfall over the same number of days, and humidity levels are slightly higher at 87%. For a more detailed look, visit Straffan weather in October.

May and November present distinct weather profiles, reflective of their positions in the spring and late fall. In May, temperatures range from a minimum of -1°C (30°F) to a maximum of 23°C (74°F), with an average of 11°C (53°F). The month receives about 72 mm (2.8 in) of precipitation over 13 days, accompanied by relatively high humidity at 83%. In contrast, November sees cooler temperatures, with a minimum of -1°C (30°F), an average of 7°C (46°F), and a maximum of 15°C (59°F). Precipitation increases slightly to 88 mm (3.5 in) across 14 days, and humidity remains high at 86%. These conditions highlight May as a milder and more pleasant month, whereas November brings a chillier and wetter atmosphere. For more details, visit Straffan weather in November.

In comparing the weather of May and December, we see distinct differences in temperature and precipitation. May generally offers milder temperatures, with an average of 11°C (53°F) and a maximum of 23°C (74°F), compared to December's chillier average of 6°C (43°F) and a maximum of 13°C (56°F). Additionally, May experiences less rainfall, with 72 mm (2.8 in) over 13 days, whereas December sees a slightly higher precipitation level of 90 mm (3.5 in) across 15 days. Humidity is relatively similar, hovering around 83% in May and 84% in December. For more details on December weather specifically, you can check out Straffan weather in December.

Compare Straffan's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Straffan

As May unfolds in Straffan, it brings a refreshing transition from the chill of earlier months, showcasing a delightful mix of mild temperatures and increased day length. With an average temperature hovering around 11°C (53°F) and peaks reaching up to 23°C (74°F), this month is notably warmer, inviting residents and visitors alike to enjoy the outdoors. However, the month is not without its share of rain, recording approximately 72 mm (2.8 in) across about 13 days, contributing to the lushness of the landscape. The high humidity at 83% adds to the freshness in the air, distinctly setting May apart from both the cooler winters and the heat of summer. To delve deeper into how May's weather fits into the broader climate patterns, be sure to check out Straffan Climate.