Last updated: March 17, 2025
In Harlech, United Kingdom, May brings a delightful mix of temperatures with a maximum reaching 27°C (80°F), while the average hovers around a comfortable 11°C (53°F), and a brisk minimum can drop to 0°C (32°F). This month also sees a total precipitation of 85 mm (3.3 in) over 13 days, contributing to the region's lush landscapes. With an average humidity of 79%, May in Harlech offers a refreshing yet varied climate, perfect for outdoor adventures and enjoying nature's beauty.
In Harlech, United Kingdom, the month of May marks a significant shift in temperatures as spring advances towards summer. With a minimum temperature rising to a crisp 0°C (32°F), the landscape begins to awaken from winter's chill, while the average temperature reaches a pleasant 11°C (53°F). The most notable feature is the peak maximum of 27°C (80°F), offering longer days filled with warmth and sunlight, perfect for outdoor activities. This upward trend in temperatures from the preceding months sets the stage for vibrant blooms and a lively atmosphere, making May an inviting time to explore the stunning scenery of this historic coastal town.
In May, Harlech experiences a moderate precipitation total of 85 mm (3.3 in), marking a slight increase from the drier month of April, which had only 58 mm (2.3 in). With 13 days of rain, it’s a reminder that spring can still bring about grey skies and showers as the region transitions toward the wetter summer months. This month is pivotal, sandwiched between the lighter showers of April and the heavier rains seen in June, where precipitation rises to 96 mm (3.8 in). Overall, May maintains a balanced atmosphere, inviting nature to bloom while keeping Harlech lush and vibrant, a testament to its often fickle weather patterns.
In May, the humidity in Harlech, United Kingdom dips to 79%, reflecting a notable decrease from the wetter winter months. This drop continues the trend of gradually decreasing humidity from January's peak of 89% through April. As spring transitions into summer, the atmosphere becomes more inviting, offering a reprieve from the heavier, moisture-laden air of the earlier months. Following May, humidity levels dip slightly again in July to 78%, before rising again in the late summer and autumn. This cyclical pattern illustrates the unique climatic rhythm of Harlech, where coastal influences play a significant role in shaping the seasonal weather experience.
As we transition into May, the UV Index in Harlech, United Kingdom rises, reflecting a shift in sun exposure that heralds the approach of summer. This month boasts a UV Index of 7, categorized as high, which means you can get sunburned in just 25 minutes of unprotected skin exposure. This upward trend from the moderate levels of the earlier spring months emphasizes the importance of sun safety as the days lengthen and temperatures rise. With June following closely with an even higher UV Index of 8, it's crucial to stay vigilant and protect your skin in May. For more detailed information on UV levels throughout the year, check out the Harlech UV Index.
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May shines brightly in Harlech, United Kingdom, as sunshine hours reach an impressive 411 hours, marking a delightful peak in the seasonal transition. The month showcases a remarkable increase from the 330 hours recorded in April, reflecting the vibrant onset of summer. As the days lengthen, this upward trend continues into June and July, with sunshine hours hovering around 402 hours and 420 hours respectively, creating a perfect backdrop for outdoor adventures. However, as summer wanes, sunshine hours gradually decrease, reminding us of the cyclical nature of the seasons. With its array of sun-soaked days, May not only heralds the joys of warmer weather but also serves as a beautiful bridge to the sunniest months of the year.
In Harlech, May boasts a 28% chance of sunny weather, a notable increase from the chillier months of January through March, which see sun probabilities hovering below 25%. While April's 47% offers a promising glimpse of spring's warmth, the likelihood of clear skies in May dips back down, somewhat surprisingly, placing it below both July and April. This trend suggests that while May holds potential for pleasant days, it can still be unpredictable, hinting at the transitional nature of late spring. As summer approaches, residents may find themselves hoping for sunnier days ahead, as the following months show fluctuating chances of sunshine.
As spring unfolds in Harlech, the daylight scenes transform dramatically, especially noticeable in May when daylight reaches an impressive 15 hours. This surge in sunlight marks a significant jump from the 13 hours in April and sets the stage for the longest days ahead in June. The trend of increasing daylight continues, peaking in mid-summer, before gradually tapering off. In contrast, the year opens with a mere 8 hours in January, highlighting a clear seasonal progression where longer days beckon outdoor activities and vibrant sunsets. As we transition from the shorter days of winter, the gradual increase throughout spring leads to the lush, bright days of late spring and early summer, inviting both residents and visitors to revel in Harlech’s natural beauty.
In May, Harlech experiences a gentle transition in wind patterns, with an average wind speed of 3.6 m/s (8 mph). This month shows a slight increase compared to the calmer days of April, where winds averaged just 3.0 m/s (7 mph). As spring unfolds, the breezy conditions provide a refreshing backdrop for outdoor activities. Notably, as summer approaches, June mirrors April's tranquility with similar wind speeds, suggesting a seasonal lull before the more dynamic winds typical of autumn return in October. Overall, May's moderate winds offer a pleasant and inviting atmosphere, ideal for enjoying the stunning coastal scenery of Harlech.
The weather in Harlech 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 Harlech and find detailed weather information for every month.
May and January present strikingly different weather conditions. In May, temperatures generally range from a minimum of 0°C (32°F) to a pleasant maximum of 27°C (80°F), with an average of 11°C (53°F). The month's humidity sits at 79%, and while it experiences around 85 mm (3.3 in) of precipitation across approximately 13 days, the overall vibe is warmer and more inviting. In contrast, January brings colder temperatures, with minimums dipping to -3°C (26°F) and a maximum of only 13°C (56°F), resulting in an average of 5°C (42°F). The humidity in January is slightly higher at 89%, and it experiences a bit more rainfall, totaling 105 mm (4.2 in) over 14 days. For a detailed look at how January weather unfolds, you can visit Harlech weather in January.
May and February showcase distinct weather patterns that highlight the transition from winter to spring. In May, temperatures typically range from a minimum of 0°C (32°F) to a maximum of 27°C (80°F), with an average of 11°C (53°F), while February experiences cooler temperatures, ranging from -5°C (24°F) to a maximum of 18°C (65°F) and an average of 6°C (43°F). Precipitation levels are notably different as well, with May receiving 85 mm (3.3 in) of rainfall over 13 days compared to February's higher total of 145 mm (5.7 in) over 17 days. Furthermore, February exhibits slightly higher humidity at 88%, while May's humidity stands at 79%. For a detailed look at February weather, you can visit Harlech weather in February.
In comparing the weather between March and May, it's clear that May generally offers milder temperatures, with an average of 11°C (53°F) compared to March's cooler average of 7°C (44°F). The maximum temperature in May can reach up to 27°C (80°F), while March peaks at a more moderate 18°C (65°F). However, March experiences more precipitation, totaling 138 mm (5.5 in) over 18 days, in contrast to May's 85 mm (3.3 in) across 13 days. Both months exhibit high humidity levels, with March slightly higher at 86% compared to May's 79%. For a detailed look at March weather specifics, you can explore Harlech weather in March.
In comparing the weather of May and April, May presents a noticeable warming trend with average temperatures rising to 11°C (53°F), compared to April's cooler average of 9°C (48°F). While April's maximum temperature reaches a comfortable 22°C (72°F), May can soar to a high of 27°C (80°F). Additionally, May experiences slightly more precipitation, with 85 mm (3.3 in) over 13 days, compared to April's 58 mm (2.3 in) over 12 days. Despite May's wetter conditions, humidity levels drop slightly, averaging 79% compared to April's 84%. For more insight into April's climate, check Harlech weather in April.
May and June exhibit a gradual warming trend, with June generally being the warmer of the two months. In May, temperatures range from a chilly minimum of 0°C (32°F) to a pleasant maximum of 27°C (80°F), averaging around 11°C (53°F). In contrast, June sees a higher minimum of 5°C (42°F) and a similar maximum of 28°C (83°F), with an average temperature of 14°C (58°F). Both months experience notable rainfall, with May receiving 85 mm (3.3 in) over 13 days, while June sees a slight increase to 96 mm (3.8 in) over 16 days. Humidity levels remain relatively consistent, with May at 79% and June slightly higher at 81%. For more specific details on June weather conditions, you can refer to Harlech weather in June.
May and July present a notable contrast in weather conditions. In May, temperatures range from a chilly minimum of 0°C (32°F) to a pleasant maximum of 27°C (80°F), with an average of 11°C (53°F). This month experiences a total precipitation of 85 mm (3.3 in) spread over 13 days and a relatively high humidity level of 79%. In comparison, July offers milder temperatures, with a minimum of 6°C (44°F) and a maximum of 29°C (84°F), averaging 16°C (61°F). Although July sees slightly more precipitation at 91 mm (3.6 in) over 14 days, the humidity levels remain similar at 78%. For more specific details on July's weather, you can visit Harlech weather in July.
May and August present notable differences in weather patterns. In May, temperatures range from a chilly minimum of 0°C (32°F) to a comfortable maximum of 27°C (80°F), with an average of 11°C (53°F). Precipitation occurs over 13 days, totaling 85 mm (3.3 in) while humidity stands at a consistent 79%. Conversely, August sees slightly milder conditions with minimum temperatures of 7°C (45°F), an average of 15°C (60°F), and the same maximum of 27°C (80°F). However, it experiences increased precipitation of 144 mm (5.7 in) over 20 days. Interestingly, both months share a humidity level of 79%. For more details on August conditions, check Harlech weather in August.
May and September both offer mild weather, but they have distinct characteristics. In May, temperatures range from a minimum of 0°C (32°F) to a maximum of 27°C (80°F), with an average of 11°C (53°F) and relatively lower precipitation levels of 85 mm (3.3 in) over about 13 days. The humidity sits at 79%, giving the month a fresh feel. In contrast, September experiences slightly warmer temperatures with a minimum of 2°C (36°F), an average of 13°C (56°F), and a high of 27°C (82°F). However, it sees more rainfall, totaling 130 mm (5.1 in) across 16 days, and higher humidity at 85%. For more detailed insights into September weather, you can visit Harlech weather in September.
May and October offer distinct weather experiences, with variations in temperature, precipitation, and humidity. May typically enjoys milder conditions with average temperatures around 11°C (53°F), peaking at a comfortable 27°C (80°F). Although it does experience some rainfall, with about 85 mm (3.3 in) over 13 days, the overall humidity is relatively moderate at 79%. In contrast, October sees cooler temperatures, with averages remaining at 11°C (52°F); however, maximum daily highs only reach about 21°C (70°F). The month is also significantly wetter, accumulating 161 mm (6.3 in) of rain over 19 days, and experiences higher humidity levels at 90%. For a deeper look into what to expect during this time, you can visit Harlech weather in October.
May and November present contrasting weather patterns. In May, temperatures range from a minimum of 0°C (32°F) to a maximum of 27°C (80°F), with an average of 11°C (53°F), while November brings cooler conditions, with minimum temperatures of -1°C (30°F), an average of 8°C (47°F), and a maximum of 15°C (59°F). Precipitation is more frequent in November, with total rainfall of 138 mm (5.4 in) across 19 days, compared to May's 85 mm (3.3 in) over 13 days. Additionally, November's humidity is higher at 91%, compared to May's 79%. For more detailed weather information, check Harlech weather in November.
May and December present striking contrasts in weather. In May, temperatures range from a minimum of 0°C (32°F) to a pleasant maximum of 27°C (80°F), with an average of 11°C (53°F), making it a generally mild and welcoming month. Precipitation is moderate at 85 mm (3.3 in) over 13 days, while humidity levels stand at 79%. In comparison, December sees a drop in temperatures, with a minimum of -3°C (26°F) and a maximum of 13°C (55°F), resulting in an average of 6°C (44°F). The month is also wetter, with 170 mm (6.7 in) of rainfall spread across 20 days, and humidity levels increase to 89%. For a detailed look at how December weather affects conditions, visit Harlech weather in December.
As May unfolds in Harlech, the weather paints a delightful picture of transition, boasting warmer temperatures and increased humidity compared to the cooler, more unpredictable months that precede it. With peaks reaching up to 27°C (80°F), the climate begins to welcome the joys of spring, though it still retains a hint of unpredictability with about half the month experiencing some rainfall. This delightful mix of warm days and refreshing showers contributes to the lush scenery that characterizes the region. For a more comprehensive look at how May's weather compares to other months, check out Harlech Climate.