Last updated: March 17, 2025
May in Dundalk, Ireland ushers in a shift towards warmer weather, with temperatures peaking at a pleasant 23°C (73°F). The average daily temperature rests at a moderate 11°C (53°F), while nights can dip to a chilly -1°C (30°F). This month experiences approximately 66 mm (2.6 in) of rainfall over 12 days, contributing to the region's lush greenery. High humidity levels, averaging 83%, add a touch of briskness to the air, making May a month of refreshing contrasts in this charming Irish town.
As May rolls into Dundalk, Ireland, the climate begins to transform, offering a delightful reprieve from the chill of earlier months. With minimum temperatures rising to a mild -1°C (30°F) and average highs reaching a pleasant 23°C (73°F), May showcases the spring’s full splendor. This month sees a significant leap in warmth compared to the cooler April, where the maximum temperature only touched 20°C (68°F). The shift not only invites outdoor enthusiasts to embrace the blooming landscapes, but also highlights a gradual warming trend as summer approaches, making May an ideal time for exploration and revelry under the Irish sun.
In May, Dundalk experiences a notable uptick in precipitation, recording 66 mm (2.6 in) across 12 days. This marks a moderate increase from the drier spell in April, where only 45 mm fell over 11 days. The trend suggests that as spring advances, the region anticipates more frequent showers, paving the way for the lush greenery typical of the season. Interestingly, while April's rainfall was relatively low, May's consistent precipitation plays a crucial role in nourishing the landscape. As the temperatures rise and days lengthen, Dundalk begins to embrace the vibrant blooms and verdant sceneries that accompany its wetter month, hinting at a transition toward the more substantial rainfall that June and August typically bring.
In May, Dundalk experiences a slight dip in humidity to 83%, which is a refreshing break following the consistently high levels in prior months. This decrease contrasts with the preceding April, where humidity hovered around 85%, and mirrors the pattern of early summer months like June and August. Throughout the year, humidity levels in Dundalk tend to remain notably high, fluctuating between 83% and 87%, with the winter months displaying the most substantial figures. Interestingly, this May drop hints at the beginning of a warmer season, as humidity trends peak again in the summer months, particularly July and September. This cyclical rhythm of moisture not only characterizes Dundalk's maritime climate but also offers a glimpse into the nuanced transition between spring and summer.
As the calendar turns to May in Dundalk, Ireland, the UV Index rises significantly to 7, marking the start of a higher risk period for sunburn, with a burn time of just 25 minutes. This shift from the moderate levels seen in previous months indicates a clear trend toward increased sun exposure as spring unfolds into summer. While January through April maintained a low to moderate UV Index, May's high categorization advises residents and visitors alike to take precautions under the sun. With the season progressing, the UV Index will peak in June, emphasizing the importance of staying informed and protected. For more tips on managing your sun exposure, check out the detailed guide at Dundalk UV Index.
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As spring blossoms into summer, Dundalk, Ireland, basks in an impressive 383 hours of sunshine during May, marking it as one of the sunniest months of the year. This surge in daylight hours reflects a notable trend, as there is a steady increase from the 303 hours in April to May's peak, showcasing the transition into brighter days. Following May, the sunshine begins to slightly wane but remains abundant with 375 hours in June and 374 hours in July. The gradual decline in sunshine hours hints at the shifting seasons, yet May stands out as a vibrant reminder of nature’s generosity, invigorating the local community and inviting outdoor adventures.
In Dundalk, Ireland, the likelihood of sunny weather in May presents a unique outlook, boasting a 33% chance of sunshine. While this marks a modest improvement over the cloudier months of January (29%) and February (20%), it falls slightly below the sunnier skies of April (39%), suggesting that as spring unfolds, the sun begins to peek through more frequently. Notably, following May, the chances take a dip again in June (21%) and beyond, indicating that the peak of sunny days might be fleeting as summer approaches. This year's transitional months exhibit a fluctuating tendency towards sunniness, underlining May as a pivotal moment in the shift from spring's charms to summer's allure.
As spring unfolds in Dundalk, Ireland, the days grow significantly longer, peaking in May with an impressive 16 hours of daylight. This month marks a striking contrast to the shorter winter days of January and November, which offer merely 8 hours of sunlight. Following the 14 hours in April, May serves as a vibrant precursor to the summer months, where June reaches its zenith with 17 hours of daylight. As the year progresses, daylight begins to wane, with August still enjoying 14 hours before gradually descending to 12 hours in September, and ultimately returning to the shorter days of autumn and winter. The trend clearly highlights a dynamic shift in daylight duration, ushering in the brightness of late spring and early summer while reminding us of the cyclical nature of the seasons.
In May, Dundalk experiences a mild shift in wind speeds, with an average of 3.6 m/s (8 mph), indicating a gentle breeze that complements the blossoming spring landscape. This moderate wind speed follows a steady decline from April's 3.2 m/s (7 mph) and remains comparable to the preceding months, suggesting a period of relative calm before the summer heat. As the transition to warmer months continues, it is noteworthy that wind speeds in the spring are generally lower than in the autumn and winter, which boast averages around 4.3 m/s to 4.4 m/s. This trend reveals not only the changing seasons but also the unique charm of May, where breezy days can be enjoyed without the intensity that often accompanies later months.
The weather in Dundalk 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 Dundalk and find detailed weather information for every month.
In comparing the weather of May and January, we can see notable differences in temperature and precipitation patterns. May boasts a broader temperature range, with minimums around -1°C (30°F) and maximums reaching 23°C (73°F), resulting in a comfortable average of 11°C (53°F). In contrast, January experiences colder temperatures, with highs only reaching 14°C (57°F) and lows dipping to -5°C (23°F), leading to an average of 5°C (42°F). While May also brings more rainfall, with 66 mm (2.6 in) spread over 12 days, January sees slightly less precipitation at 54 mm (2.1 in) across 10 days. Humidity levels are relatively similar, with May at 83% and January at 85%. For more detailed information, you can check Dundalk weather in January.
Comparing the weather in May and February reveals quite a difference in temperature and precipitation. In May, the daily temperatures range from a minimum of -1°C (30°F) to a maximum of 23°C (73°F), with an average of 11°C (53°F). In contrast, February has cooler temperatures, with a minimum of -4°C (25°F), an average of 6°C (43°F), and a maximum of 14°C (58°F). Additionally, May experiences 66 mm (2.6 in) of precipitation over 12 days, while February sees more rainfall with 85 mm (3.4 in) over 15 days, making it slightly wetter. The humidity levels are quite similar, with February at 86% and May at 83%. For more details, you can check out Dundalk weather in February.
In comparing the weather of March and May, May generally presents milder conditions with average temperatures rising to around 11°C (53°F), compared to March's cooler average of 7°C (44°F). While both months experience frequent precipitation, March has a slightly higher total rainfall of 80 mm (3.1 in) over 16 days, compared to May's 66 mm (2.6 in) over 12 days. Additionally, humidity levels are moderately high in both months, with March at 86% and May at 83%. For a more detailed look at March's weather, you can visit Dundalk weather in March.
In comparison to April, May generally experiences warmer temperatures, with a minimum of -1°C (30°F) and an average high of 23°C (73°F) compared to April's minimum of -2°C (28°F) and a maximum of 20°C (68°F). While May sees slightly more precipitation at 66 mm (2.6 in) over 12 days, April has 45 mm (1.8 in) over 11 days, making it a bit drier overall. Humidity levels remain quite similar, with May at 83% and April slightly higher at 85%. For more detailed information, you can check Dundalk weather in April.
In May, temperatures range from a chilly minimum of -1°C (30°F) to a comfortable maximum of 23°C (73°F), with an average of 11°C (53°F). The month sees about 66 mm (2.6 in) of precipitation spread over 12 days, and humidity levels average around 83%. In contrast, June warms up considerably, with minimum temperatures of 4°C (40°F) and maximums soaring to 28°C (82°F), resulting in an average temperature of 14°C (58°F). Precipitation increases slightly to 76 mm (3.0 in) and is spread across 14 days, leading to a slightly higher humidity level of 85%. For more details, you can check out the Dundalk weather in June.
In May, the weather is characterized by a wide range of temperatures, with minimums dropping to -1°C (30°F) and maximums reaching up to 23°C (73°F), resulting in an average of 11°C (53°F). The month experiences about 66 mm (2.6 in) of precipitation spread over 12 days, with a relatively high humidity level of 83%. In contrast, July brings warmer temperatures, with minimums at 7°C (45°F) and maximums peaking at 28°C (82°F), averaging 16°C (61°F). Although July has slightly more precipitation at 74 mm (2.9 in) over 13 days, the humidity increases to 86%. For a detailed look at July's weather, visit Dundalk weather in July.
May and August present notable differences in weather patterns. In May, temperatures range from a chilly minimum of -1°C (30°F) to a comfortable maximum of 23°C (73°F), with an average of 11°C (53°F). The precipitation in May totals 66 mm (2.6 in) over 12 days, and humidity hovers at 83%. In contrast, August experiences a slightly warmer temperature spectrum, with minimums at 7°C (44°F) and a maximum reaching 23°C (74°F), while the average sits at 15°C (59°F). However, August is wetter, with 114 mm (4.5 in) of rainfall across 18 days and a humidity level of 85%. For more details, visit Dundalk weather in August.
May and September both exhibit mild temperatures but have distinct characteristics. In May, temperatures range from a minimum of -1°C (30°F) to a maximum of 23°C (73°F), with an average of 11°C (53°F). The month experiences around 66 mm (2.6 in) of precipitation across 12 days, accompanied by a relatively high humidity level of 83%.
In contrast, September features slightly warmer temperatures, with a minimum of 3°C (37°F) and a maximum of 22°C (72°F), averaging 13°C (56°F). Precipitation is slightly higher at 74 mm (2.9 in) over 13 days, and humidity increases marginally to 86%. Overall, while both months are cool and damp, September presents a more humid atmosphere with slightly more rain. For more information on September weather, you can check Dundalk weather in September.
In comparing the weather between May and October, May tends to be milder with average temperatures ranging from a minimum of -1°C (30°F) to a maximum of 23°C (73°F). It features lower precipitation levels at 66 mm (2.6 in) over 12 days and a humidity of 83%. In contrast, October experiences slightly cooler temperatures with an average ranging from 0°C (32°F) to 19°C (66°F). Rainfall increases to 80 mm (3.1 in) over 14 days, and humidity rises to 87%. For those interested in more specific details about October weather, you can check Dundalk weather in October.
May and November present contrasting weather patterns, reflecting the transition between spring and early winter. In May, temperatures range from a chilly minimum of -1°C (30°F) to a pleasantly warm maximum of 23°C (73°F), with an average of 11°C (53°F). Precipitation is relatively moderate at 66 mm (2.6 in) over 12 days, coupled with high humidity at 83%. In contrast, November sees cooler temperatures, with a minimum of -3°C (27°F) and a maximum of 15°C (59°F), averaging at 8°C (46°F). The month experiences increased precipitation of 84 mm (3.3 in) over 15 days, with humidity slightly higher at 86%. For more specific details about November weather in this region, check out Dundalk weather in November.
May and December present notable contrasts in weather. In May, temperatures generally range from a chilly minimum of -1°C (30°F) to a pleasant maximum of 23°C (73°F), with an average of 11°C (53°F). There is a moderate level of precipitation totaling 66 mm (2.6 in) spread over about 12 days, coupled with a humidity level of 83%. In contrast, December brings cooler temperatures, with a minimum of -3°C (27°F), an average of 6°C (43°F), and a maximum of 13°C (56°F). Precipitation in December is slightly higher at 89 mm (3.5 in) over around 13 days, and humidity remains relatively high at 84%. For more detailed information, you can explore the specifics here: Dundalk weather in December.
As May rolls in, Dundalk experiences a shift toward milder temperatures, with maximums reaching a pleasant 23°C, offering a refreshing break from the chill of earlier months. While the average temperature begins to rise, it's important to note that cooler nights can still dip down to freezing. Although precipitation persists, with around 12 rainy days contributing to a total of 66 mm for the month, it’s a welcomed change that helps bloom the vibrant greenery the region is known for. This increase in humidity, averaging 83%, enhances the lush landscapes, making May a time of renewal. For a deeper look into how the weather in Dundalk unfolds throughout the year, visit Dundalk Climate.