May Weather in Llan Ffestiniog, United Kingdom

Last updated: March 17, 2025

In Llan Ffestiniog, United Kingdom, the weather in May showcases a dynamic range of conditions. With a maximum temperature reaching 26°C (79°F) and a cooling minimum of -1°C (31°F), the month averages a pleasant 11°C (51°F). However, residents and visitors should be prepared for its temperamental rainfall, totaling 88 mm (3.5 in) over approximately 14 days, contributing to a high humidity level of 79%. This blend of warm days and frequent showers underscores May as a month of unpredictable beauty, ideal for those seeking to experience the lush landscapes of this picturesque region.

May Temperature in Llan Ffestiniog

In May, Llan Ffestiniog experiences a noticeable shift towards warmer temperatures, marking the arrival of spring's full bloom. With a minimum temperature of -1°C (31°F) and a pleasant average of 11°C (51°F), the days grow significantly milder compared to the chill of winter months. The maximum can reach a delightful 26°C (79°F), providing ample opportunity for outdoor exploration. This month stands out as the transition towards the summer heat, as temperatures steadily rise from the previous months of April's mildness, where highs peaked at 22°C (72°F), to the even warmer days that follow in June. The gradual warming trend not only invites locals and visitors to enjoy the natural beauty of the region but also hints at the vibrant life that the lush Welsh landscape will soon embrace.

May Weather in Llan Ffestiniog: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Llan Ffestiniog, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec404143465157605955504542
Data source: Temperature data for Llan Ffestiniog 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 Llan Ffestiniog

May in Llan Ffestiniog sees an average precipitation of 88 mm (3.5 in), making it a noticeable transition from April's drier conditions. Marked by 14 rainy days, May maintains a balance as spring winds down, correlating with the trend of increasing rainfall as the year progresses. This month serves as a bridge, experiencing less rainfall than the summer months yet still contributing significantly to the region's lush greenery. As the days grow longer and warmer, the moderate precipitation is essential for sustaining the vibrant landscape, setting the stage for the wetter summer months ahead.

May Precipitation Trends in Llan Ffestiniog

The chart displays monthly precipitation patterns in Llan Ffestiniog, 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.
JanFebMarAprMayJunJulAugSepOctNovDec103148141658810298153126163133165
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Llan Ffestiniog

In May, Llan Ffestiniog experiences a refreshing dip in humidity, with levels at 79%, marking a contrast to the higher figures seen in the earlier months of the year. This decrease is part of a broader trend, as humidity gradually declines from a high of 89% in January to lower levels by summer. Following the wetter months of spring, the air begins to feel slightly drier, providing a pleasant atmosphere ideal for outdoor activities. Interestingly, the humidity starts to creep back up in June, hinting at the wetness that lies ahead in the warmer months. Overall, May serves as a transitional bridge in Llan Ffestiniog’s yearly climatic cycle, inviting residents and visitors alike to enjoy the milder, crisp air.

May Average Humidity in Llan Ffestiniog

This chart illustrates the average monthly humidity levels in Llan Ffestiniog, 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.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%85%79%81%78%79%85%90%91%89%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Llan Ffestiniog

As spring transitions to summer, May in Llan Ffestiniog brings a notable increase in the UV Index, reaching a high level of 7—a shift from the moderate indices seen in the previous months. This surge indicates a shorter burn time of just 25 minutes, emphasizing the importance of sun protection during outdoor activities. Comparatively, January and February offer a much lower risk with indices of 1 and 2, respectively, showcasing how quickly UV exposure can escalate as the days grow longer. As the year progresses, the UV Index will peak in June and July, highlighting the need for vigilance in sun safety. For more detailed insights on UV exposure, check out Llan Ffestiniog UV Index.

Maximum UV Index Levels in Llan Ffestiniog for May

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

In Llan Ffestiniog, May heralds a vibrant shift towards longer days, basking in an impressive 412 hours of sunshine. This marked increase from the previous months not only signals the arrival of spring but also showcases a steady upward trend in daylight hours, culminating in the peak sunshine of summer with July reaching 421 hours. As winter fades, the gradual ascent from January's modest 93 hours to May's sunlit splendor illustrates the area's rejuvenation, inviting locals and visitors alike to embrace the warmth and beauty of the Welsh landscape. Following May, sunshine remains abundant through June and July, making it a prime time for outdoor adventures and exploring the stunning surroundings of this picturesque village.

Monthly Sunshine Duration in Llan Ffestiniog: May Highlighted

The May sunshine duration represents the total number of hours Llan Ffestiniog 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.
JanFebMarAprMayJunJulAugSepOctNovDec93h160h226h331h412h400h421h385h313h237h124h106h
Data source: Llan Ffestiniog May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Llan Ffestiniog During May

In Llan Ffestiniog, the likelihood of sunny weather experiences a noticeable shift as spring unfolds into early summer. April boasts a commendable 43% chance of sunshine, marking a significant uptick compared to the dreary winter months, where chances lingered around 16% to 18%. Surprisingly, May sees a drop to 26%, indicating a transition phase as the weather fluctuates. This decline precedes a gradual recovery during the summer months, with July reaching its peak at 34%. Thus, while May may not offer the sunniest days, it lays the groundwork for the brighter skies of summer that lie ahead.

Percentage of Sunny Days in May in Llan Ffestiniog

The chart illustrates the percentage of sunny days in Llan Ffestiniog 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 Llan Ffestiniog experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec16%18%24%44%26%25%34%22%19%14%19%16%
Data source: Llan Ffestiniog May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Llan Ffestiniog in May

In Llan Ffestiniog, May marks a delightful transition into longer days, as the daylight duration reaches a generous 15 hours. This increase reflects a steady rise from the mere 8 hours experienced in January, providing a taste of the vibrant landscapes ahead. As winter gives way to spring, March brings 11 hours and April ramps up to 14 hours, building anticipation for the lush beauty of late spring and summer. Following May, the daylight peak in June extends to a lush 16 hours, before gradually receding again in the latter months. This rhythm of nature highlights how the days stretch and contract, offering a lively tableau for residents and visitors alike to enjoy throughout the year.

Average Daylight Hours in Llan Ffestiniog for May

The chart illustrates the variation in daylight duration in Llan Ffestiniog throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 11m9h 51m11h 54m14h15h 51m16h 49m16h 18m14h 38m12h 36m10h 31m8h 39m7h 38m
Data source: Llan Ffestiniog daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Llan Ffestiniog

In May, Llan Ffestiniog experiences a gentle average wind speed of 3.7 m/s (8 mph), marking a slight uptick from the calmer breezes of April, which recorded 3.0 m/s (7 mph). This increase is part of a broader trend observed in the spring months, where wind speeds gradually rise from the winter lows before tapering off into the summer. May's winds are more akin to those of February and March, which see speeds of 5.1 m/s and 4.5 m/s respectively, before slipping into calmer conditions as summer approaches. Overall, May retains a refreshing breeze, perfect for outdoor activities, while hinting at the seasonal shifts that will lead into the warmer months of June and July, when the winds typically calm down to their lowest levels.

Average May Wind Speed in Llan Ffestiniog

The chart displays monthly wind speed patterns in Llan Ffestiniog, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.95.14.53.03.7 m/s3.12.53.42.94.84.04.3
Data source: Llan Ffestiniog May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Llan Ffestiniog Compares to Other Months

The weather in Llan Ffestiniog 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 Llan Ffestiniog and find detailed weather information for every month.

When comparing the weather in May and January, it becomes clear that May offers milder temperatures and significantly more warmth. In May, the minimum temperature rarely drops below 1°C (34°F), with an average of 11°C (51°F) reaching a pleasant maximum of 26°C (79°F). In contrast, January tends to be colder, with a minimum temperature around -4°C (25°F) and an average temperature of only 5°C (41°F).

Precipitation levels are also noteworthy; May sees 88 mm (3.5 in) of rainfall over approximately 14 days, while January has slightly higher precipitation at 103 mm (4.0 in) over 15 days. Additionally, humidity is quite similar, with May at 79% and January slightly higher at 89%. For more details on January weather, you can refer to this link: Llan Ffestiniog weather in January.

In comparing the weather of May and February, we see a notable shift in temperatures and precipitation patterns. May generally enjoys milder temperatures, with a minimum of -1°C (31°F), an average of 11°C (51°F), and a maximum of 26°C (79°F). In contrast, February's temperatures are cooler, ranging from a minimum of -5°C (22°F) to a maximum of 18°C (65°F), with an average temperature of 5°C (41°F).

Additionally, February experiences more precipitation, totaling 147 mm (5.8 in) over 17 days, compared to May's 88 mm (3.5 in) over 14 days. Humidity is also slightly higher in February at 88%, compared to May's 79%. For a deeper look into February weather in Llan Ffestiniog, you can visit Llan Ffestiniog weather in February.

The weather in May is generally milder compared to March, with average temperatures rising to 11°C (51°F) compared to March's average of 6°C (43°F). While both months experience a range of temperatures, May's maximum can reach a pleasant 26°C (79°F), whereas March peaks at 17°C (64°F). Precipitation is more abundant in March, totaling 141 mm (5.6 in) over 18 days, in contrast to May, which sees 88 mm (3.5 in) spread over 14 days. Additionally, March has a higher humidity level at 86% compared to May's 79%. For more detailed insights on March weather, you can visit this link: Llan Ffestiniog weather in March.

In comparing the weather between April and May, we see a noticeable increase in temperatures during May. The minimum temperature in May is slightly higher at -1°C (31°F) compared to April's -3°C (27°F), while the average temperature rises to 11°C (51°F) from April's 8°C (47°F). Additionally, May experiences warmer maximum temperatures, reaching up to 26°C (79°F), contrasted with April's maximum of 22°C (72°F). However, May also has more precipitation, totaling 88 mm (3.5 in) over 14 days, compared to April's 65 mm (2.5 in) over 12 days, and with humidity levels more stable, remaining at 79% in May versus 84% in April. For further details about April weather, you can visit Llan Ffestiniog weather in April.

May and June exhibit a transition in weather patterns as spring moves towards summer. In May, temperatures range from a chilly minimum of -1°C (31°F) to a pleasant maximum of 26°C (79°F), with an average of 11°C (51°F). The month sees 88 mm (3.5 in) of precipitation over 14 days, accompanied by a humidity level of 79%.

In contrast, June boasts slightly warmer temperatures, with a minimum of 5°C (41°F), an average of 14°C (57°F), and a maximum reaching 28°C (82°F). Although June experiences a bit more precipitation at 102 mm (4.0 in) over the same number of days, humidity remains similar at 81%. For a detailed look at June's weather specifically, check out Llan Ffestiniog weather in June.

May and July exhibit distinct differences in weather patterns. In May, temperatures range from a chilly minimum of -1°C (31°F) to a warm maximum of 26°C (79°F), with an average of 11°C (51°F). The month sees around 88 mm (3.5 in) of precipitation over 14 days, coupled with a high humidity of 79%. In contrast, July offers a milder climate, with minimum temperatures starting at 6°C (42°F), an average of 15°C (60°F), and rising to a maximum of 28°C (83°F). Although July's precipitation increases slightly to 98 mm (3.9 in) over the same number of rainy days, humidity remains relatively stable at 78%. For more details on July weather, check out Llan Ffestiniog weather in July.

May and August present distinct weather profiles in Llan Ffestiniog. In May, temperatures range from a chilly minimum of -1°C (31°F) to a pleasant maximum of 26°C (79°F), with an average of 11°C (51°F). The month experiences moderate precipitation of 88 mm (3.5 in) across about 14 days, while humidity stands at a consistent 79%. In contrast, August sees slightly warmer initial temperatures, with a minimum of 6°C (43°F), an average of 15°C (59°F), and a maximum of 27°C (80°F). However, it also brings more rainfall, totaling 153 mm (6.0 in) over 21 days, maintaining the same humidity level of 79%. This comparison highlights the transition from a cooler, drier spring month to a warmer, wetter summer. For more detailed information, check Llan Ffestiniog weather in August.

May and September present distinct weather patterns, with May showcasing a broader temperature range, from a chilly minimum of -1°C (31°F) to a warm maximum of 26°C (79°F), averaging at 11°C (51°F). In contrast, September generally maintains slightly milder temperatures, with a minimum of 1°C (35°F), a maximum of 27°C (81°F), and an average of 13°C (55°F). Rainfall is more prevalent in September with 126 mm (5.0 in) over 16 days, compared to May's 88 mm (3.5 in) over 14 days, indicating a trend toward increased precipitation as summer transitions into autumn. Additionally, September experiences a higher humidity level of 85%, while May averages 79%. For a closer look at September weather specifics, visit Llan Ffestiniog weather in September.

May and October present contrasting weather patterns, with May generally being milder and more variable. In May, temperatures can range from a chilly -1°C (31°F) at night to a pleasant max of 26°C (79°F), with an average temperature of 11°C (51°F). The month sees about 88 mm (3.5 in) of precipitation over approximately 14 days, alongside a humidity level of 79%. In contrast, October experiences cooler temperatures, with a minimum of -4°C (26°F) and a maximum of 21°C (69°F), averaging around 10°C (50°F). Precipitation significantly increases to 163 mm (6.4 in) across 19 days, with humidity levels rising to 90%. For more detailed insights into October weather, you can check Llan Ffestiniog weather in October.

May and November in Llan Ffestiniog present contrasting weather patterns, reflecting the shift from spring to late autumn. In May, temperatures range from a chilly min of -1°C (31°F) to a pleasant max of 26°C (79°F), with an average of 11°C (51°F). The month experiences 88 mm (3.5 in) of precipitation over 14 days, accompanied by a humidity level of 79%. In contrast, November brings cooler conditions, with temperatures spanning from a low of -2°C (29°F) to a max of 14°C (58°F) and an average of just 7°C (45°F). This month sees increased rainfall, totaling 133 mm (5.2 in) spread across 19 days, and humidity rises to 91%. For more detailed information about November weather, you can visit Llan Ffestiniog weather in November.

May and December present quite distinct weather patterns. In May, temperatures range from a minimum of -1°C (31°F) to a pleasant maximum of 26°C (79°F), with an average of 11°C (51°F). This month experiences moderate precipitation of 88 mm (3.5 in) over 14 days, and humidity levels hover around 79%. In contrast, December features colder temperatures, with a minimum of -6°C (21°F) and a maximum of 12°C (54°F), providing an average of only 6°C (43°F). The month is significantly wetter, accumulating 165 mm (6.5 in) of precipitation across 20 days, alongside a higher humidity of 89%. For a closer look at the specifics of December weather in Llan Ffestiniog, you can check this link: Llan Ffestiniog weather in December.

Compare Llan Ffestiniog's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Llan Ffestiniog

As May arrives in Llan Ffestiniog, it brings a delightful shift in the weather, where temperatures begin to rise from the chilly grips of winter, creating a pleasant atmosphere perfect for outdoor adventures. While the average temperature hovers around a mild 11°C, the occasional warm day can reach up to 26°C, providing a wonderful contrast to the cooler evenings that can still dip near freezing. However, the month is also marked by 14 rainy days, resulting in total precipitation of 88 mm, which contributes to the region's lush greenery. With humidity levels at 79%, May feels refreshing yet humid, distinguishing itself from both the bite of winter and the dry heat of summer. For a deeper understanding of the area's overall climate, explore Llan Ffestiniog Climate.