Last updated: March 17, 2025
In Machynlleth, United Kingdom, May brings a dynamic blend of weather conditions that characterize the transition into summer. The maximum temperature can reach a warm 26°C (78°F), while the average sits at a mild 11°C (52°F). However, it’s not unusual to see the mercury dip to a chilly minimum of -2°C (29°F), reminding residents of the lingering coolness. May is also notable for its precipitation, accumulating 84 mm (3.3 in) over 13 wet days, contributing to a humidity level of 79% that often enhances the lush greenery of the landscape. This month presents a unique tapestry of weather, inviting exploration amidst both sunshine and showers.
In May, Machynlleth's temperatures begin to blossom, marking a delightful transition into warmer days. With a minimum of -2°C (29°F) and an average of 11°C (52°F), residents and visitors alike can relish in the refreshing spring air. The month peaks at a maximum of 26°C (78°F), signaling the arrival of sunnier weather perfect for outdoor activities and exploration. Notably, May stands out as a bridge between the chill of earlier months and the warmth of summer, showcasing a steady upward trend that invites nature lovers to bask in the beauty of this charming Welsh town.
May in Machynlleth brings a moderate precipitation total of 84 mm (3.3 in), reflecting a slight increase compared to the preceding month of April, which saw only 61 mm (2.4 in). This uptick in rainfall is accompanied by 13 rainy days, matching January and hinting at a transition towards the wetter summer months. Notably, while May's precipitation amount is lower than the peaks of the early and late year, it aligns with the trend of increasing rainfall leading into the summer, setting an inviting yet unpredictable stage for outdoor activities. This balance of moisture plays a crucial role in nurturing the lush landscapes that Machynlleth is known for, making it a picturesque if sometimes drizzly spring retreat.
In May, Machynlleth experiences a noticeable dip in humidity, averaging around 79%. This decline marks a continued trend from the wetter months of winter and early spring, where humidity rates hovered between 89% and 84% from January to April. As the year transitions into summer, this moderating humidity can provide a refreshing shift for locals and visitors alike, contrasting with the higher levels seen in the preceding months. Although June sees a slight uptick back to 81%, the overall trend reveals that May stands out as a transitional month, heralding warmer, drier days ahead while still maintaining a lush, green landscape characteristic of the region.
In May, Machynlleth experiences a notable increase in UV exposure, with the UV Index reaching 7, classifying it as a high risk for sunburn. As the month unfolds, residents and visitors alike will need to be particularly mindful of their sun protection, as the burn time shortens to just 25 minutes. This upward trend in UV levels mirrors the progression from earlier months—starting from a low exposure in January and February, peaking through April and May. As we approach summer, the UV Index is set to rise even further, highlighting the importance of remaining vigilant about sun safety during outdoor activities. For more detailed insights, check the local information at Machynlleth UV Index.
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In May, Machynlleth basks in a delightful surge of 386 hours of sunshine, positioning it as one of the sunniest months of the year. This marks a notable increase from the 311 hours recorded in April, showcasing spring’s transition into summer with vibrant energy. As the year progresses, sunshine peaks in July with 402 hours, before slightly tapering off in August to 360 hours. This upward trend from early spring into summer not only invites outdoor adventures but also heralds a lively tapestry of nature in full bloom, making Machynlleth a captivating destination during this radiant time. As the sunlight dwindles into the autumn months, with November and December seeing only 114 and 94 hours, respectively, May remains a cherished highlight in the annual cycle of light.
In Machynlleth, the likelihood of sunny weather sees interesting fluctuations throughout the year. Starting with a low 16% in January, the chances gradually rise, peaking in April at a more promising 47%. As May arrives, this figure dips to 26%, suggesting a mix of sunny days amidst the characteristically variable Welsh weather. However, given the next months’ forecasts, where June and July exhibit 22% and 35% chances respectively, May stands as a transitional month, offering potential for both sun and showers. While May doesn’t guarantee prolonged sunshine, it remains a notable improvement compared to the early months, hinting at the warmer days just ahead.
As spring unfolds in Machynlleth, May emerges as a significant month in terms of daylight, offering an impressive 15 hours of sunshine. This marks a delightful increase from 13 hours in April, highlighting the transition into longer, brighter days. Following May, June and July bask in extended daylight, each reaching a peak of 16 hours, before gradually tapering off into 14 hours in August. This upward trend in daylight hours from January's modest 8 hours reflects the approach of summer, creating an atmosphere ripe for outdoor activities and community gatherings. The gradual decline in daylight through the autumn months serves as a gentle reminder of the seasonal cycle, with daylight dipping back to 10 hours in October and further reducing as winter approaches.
In May, Machynlleth experiences a gentle breeze with an average wind speed of 3.7 m/s (8 mph). While this marks a slight increase from April's calm 3.1 m/s (7 mph), it remains relatively moderate compared to the winds of earlier months. Interestingly, May's winds are not as strong as the peak winter gusts, which reach up to 4.4 m/s in January and October. As the region transitions into summer, the wind speeds tend to decline, evidenced by July's calm averages of 2.5 m/s (6 mph). This trend suggests a gradual shift towards warmer and more tranquil weather, with May serving as a bridge between the dynamic spring winds and the softer summer breezes that follow.
The weather in Machynlleth 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 Machynlleth and find detailed weather information for every month.
In comparing the weather between May and January, May tends to be significantly milder, with average temperatures ranging from a chilly minimum of -2°C (29°F) to a pleasant maximum of 26°C (78°F). In contrast, January experiences colder temperatures, with averages between -5°C (24°F) to a maximum of only 13°C (56°F). Both months see similar levels of precipitation, averaging around 84 mm (3.3 in) in May and 89 mm (3.5 in) in January, with precipitation occurring on about 13 days in each month. However, January is slightly more humid, with a humidity level of 89% compared to May's 79%. For more detailed insights into January weather, you can check Machynlleth weather in January.
May generally experiences milder and more variable weather compared to February. While February sees average temperatures ranging from -7°C to 17°C, May boasts a broader span with temperatures between -2°C and 26°C. Additionally, May's precipitation is lower at 84 mm over 13 days, compared to February's higher total of 127 mm over 17 days, indicating that February tends to be wetter. Humidity levels are also slightly higher in February at 88% compared to May's 79%, contributing to a cooler, more damp feel during the earlier month. For more specific insights on February weather patterns, you can visit Machynlleth weather in February.
When comparing the weather in May and March, noticeable differences emerge. May typically presents milder temperatures, with a minimum of -2°C (29°F) and an average of 11°C (52°F), peaking at a maximum of 26°C (78°F). In contrast, March is chillier, featuring a minimum of -7°C (19°F) and an average of 6°C (43°F), with a maximum of 19°C (66°F). Precipitation also varies, as March receives more rainfall, with 124 mm (4.9 in) over 18 days, while May has 84 mm (3.3 in) across 13 days. Additionally, humidity is slightly higher in March at 86%, compared to May's 79%. For a detailed look at March conditions, visit Machynlleth weather in March.
In comparing the weather between April and May, May presents a noticeable increase in average temperatures, rising from April's average of 8°C (47°F) to 11°C (52°F), with maximum temperatures peaking at 26°C (78°F) compared to April's 22°C (71°F). While April has slightly lower temperatures, it also features a minimal variation in minimum temperatures, recording -3°C (27°F) versus May's -2°C (29°F). Precipitation levels are higher in May, accumulating 84 mm (3.3 in) over 13 days compared to April's 61 mm (2.4 in) over 11 days, although April's humidity is slightly higher at 84% compared to May's 79%. For more details on April's weather patterns, you can visit Machynlleth weather in April.
In May, temperatures range from a chilly minimum of -2°C (29°F) to a comfortable maximum of 26°C (78°F), with an average of 11°C (52°F). This month sees about 84 mm (3.3 in) of precipitation over 13 days, and humidity levels are relatively high at 79%. In contrast, June experiences a slight increase in temperatures, with a minimum of 4°C (40°F) and a maximum of 28°C (82°F), averaging 14°C (57°F). Rainfall also rises to 95 mm (3.8 in) across 15 days, accompanied by slightly higher humidity at 81%. Thus, while both months feature a mix of pleasant and rainy days, June generally offers warmer temperatures but slightly more precipitation. For more specific details, you can check Machynlleth weather in June.
May and July exhibit notably different weather patterns. In May, temperatures can swing from a chilly minimum of -2°C (29°F) to a comfortable average of 11°C (52°F) and peak at 26°C (78°F). The month typically sees 84 mm (3.3 in) of precipitation over 13 days, coupled with a relatively high humidity of 79%. In contrast, July experiences milder conditions, with minimum temperatures of 5°C (42°F) and an average of 16°C (60°F), reaching a maximum of 28°C (83°F). Precipitation slightly increases to 86 mm (3.4 in) over 14 days, while humidity remains similar at 78%. For more insights, you can check Machynlleth weather in July.
Comparing the weather in May and August reveals some notable differences. May experiences a wider temperature range, with minimums dipping down to -2°C (29°F) and maximums reaching as high as 26°C (78°F), resulting in an average of 11°C (52°F). In contrast, August maintains higher minimum temperatures starting at 6°C (42°F) and averages around 15°C (59°F), peaking at 27°C (81°F). Precipitation is also more pronounced in August, with 119 mm (4.7 in) over 19 days, compared to May's 84 mm (3.3 in) over 13 days. Interestingly, humidity levels remain consistent at 79% for both months. For more detailed weather insights in August, you can explore Machynlleth weather in August.
May and September offer noticeably different weather patterns. In May, temperatures range from a chilly minimum of -2°C (29°F) to a comfortable maximum of 26°C (78°F), with an average of 11°C (52°F). The month experiences around 84 mm (3.3 in) of precipitation over approximately 13 days, accompanied by a humidity level of 79%. By September, temperatures begin to warm slightly with a minimum of 1°C (34°F), an average of 13°C (55°F), and a peak of 27°C (81°F). Precipitation increases to about 100 mm (3.9 in) across 15 days, with humidity rising to 85%. Overall, while May is marked by cooler temperatures and lower humidity, September tends to be slightly warmer but wetter, as detailed in Machynlleth weather in September.
May and October present notable differences in weather patterns. In May, temperatures range from a minimum of -2°C (29°F) to a pleasant average of 11°C (52°F), peaking at a warm 26°C (78°F). This month experiences 84 mm (3.3 in) of precipitation spread over 13 days, with humidity levels averaging around 79%. In contrast, October sees slightly cooler temperatures, with lows of -4°C (25°F) and an average of 10°C (50°F), capping at a maximum of 21°C (70°F). Precipitation increases to 134 mm (5.3 in) over 18 days, and humidity rises to about 90%. For more details on the October weather in this region, check out Machynlleth weather in October.
May and November present contrasting weather experiences. In May, temperatures begin to warm up, with averages around 11°C (52°F) and maximums reaching up to 26°C (78°F), while the month sees about 84 mm (3.3 in) of precipitation over 13 days. Humidity levels are relatively comfortable at 79%. Conversely, November tends to be much cooler, with an average temperature of 7°C (45°F) and maximums only reaching 15°C (59°F). Rainfall increases to approximately 117 mm (4.6 in) over 18 days, and humidity also rises to 91%, creating a damp atmosphere. For a deeper dive into November conditions, you can check Machynlleth weather in November.
May and December weather exhibit notable differences, with May generally being milder and more variable. In May, temperatures range from a chilly -2°C (29°F) at night to a pleasant maximum of 26°C (78°F), averaging 11°C (52°F), while December features colder temperatures with a minimum of -6°C (22°F) and a maximum of only 12°C (54°F), averaging 6°C (42°F). Furthermore, May experiences less precipitation at 84 mm (3.3 in) over 13 days, compared to December's wetter conditions with 147 mm (5.8 in) over 19 days, contributing to a higher humidity level of 89%. For more specific insights on December weather patterns, you can visit Machynlleth weather in December.
As spring transitions to summer, May in Machynlleth experiences a refreshing climate that stands out from the chill of earlier months. With temperatures regularly reaching a pleasant maximum and an average that feels comfortably mild, May sets the stage for outdoor activities and blossoming nature. However, it also brings a fair share of rain, with about half the month experiencing precipitation, keeping the landscape lush and vibrant. The relatively high humidity, combined with the mix of warm days and cool nights, adds a unique character to May weather, making it an ideal time to explore the beautiful surroundings. For a more in-depth look at how this month compares to others throughout the year, check out the detailed insights on the Machynlleth Climate.