Last updated: March 17, 2025
In May, Glastonbury presents a diverse weather profile, with temperatures ranging from a chilly minimum of 1°C (33°F) to a pleasant maximum of 26°C (79°F). The month averages around 12°C (55°F), making it a transitional period as spring gives way to summer. However, be prepared for the occasional rainfall, as May sees about 66 mm (2.6 in) of precipitation over 11 days, contributing to an humidity level of 80%. This combination of warmth and moisture creates a vibrant atmosphere, perfect for enjoying the lush English countryside and its cultural festivities.
As May unfolds in Glastonbury, the temperatures experience a delightful leap, heralding the arrival of spring. With minimum lows of 1°C (33°F) and an average of 12°C (55°F), days grow pleasantly milder after the chilly grip of winter. The maximum temperature can soar to a warm 26°C (79°F), creating perfect conditions for outdoor activities and events. This month showcases a striking contrast to the cooler preceding months, with temperatures climbing steadily from January’s brisk 6°C (42°F) average to the more inviting warmth of May. As nature bursts into bloom, May serves as a beautiful prelude to the summer ahead, encouraging both locals and visitors to revel in the vibrant atmosphere and lush landscapes that Glastonbury has to offer.
May in Glastonbury sees a moderate precipitation amount of 66 mm (2.6 in), which aligns closely with the wettest months, showing a steady pattern as spring transitions into early summer. With 11 days of rain, this month continues the trend from April, which had fewer rainfall days but a much lower total precipitation. Notably, the increase in rainfall from April's 49 mm (1.9 in) suggests that May ofters to be a more consistently wet period, setting the stage for the lush greenness that characterizes Glastonbury. As we move into June, both precipitation amounts and rainy days are expected to rise slightly, indicating a shift towards a more typical British summer characterized by variable weather.
In Glastonbury, the humidity in May marks a notable shift as it dips to 80%, indicating a gradual transition towards more comfortable conditions as spring unfolds. This decrease follows a steady decline from January's high of 88%, through April's 84%, suggesting that the winter chill is finally giving way to warmer weather. As the month progresses, this drop in humidity not only enhances outdoor activities but also mirrors the trends seen as summer approaches, with June maintaining the same humidity level. The overall pattern showcases a significant reduction from the dampness of winter, presenting a refreshing change that many residents and visitors welcome.
As we transition into May in Glastonbury, the UV Index climbs to 7, indicating a high exposure category with a burn time of just 25 minutes. This trend marks a significant increase from the earlier months—January and February had low indices of 1 and 2, while April saw a jump to 6, signaling that summer is on the horizon. With sunlight intensifying, it’s essential to stay aware of UV levels as they reach their peak during this month. For those planning outdoor activities, moderation is key to avoid skin damage. To stay informed about the UV Index in Glastonbury, you can check out more details here: Glastonbury UV Index.
UV Risk Categories
May in Glastonbury, United Kingdom, shines bright with an impressive 384 hours of sunshine, marking a substantial leap from the 311 hours seen in April. This month signals the height of spring, where vibrant greenery bursts forth and the town's mythical charm is accentuated by the sun's warm embrace. As we progress into June, sunshine continues to be plentiful, with 366 hours recorded, but it's May that stands out as a true golden gem, hinting at the promise of summer. Not only does this trend reveal May's pivotal role in transitioning from the crispness of spring to the warmth of summer, but it also invites both locals and visitors alike to bask in the beauty of Glastonbury before the sun's glow begins to wane in the autumn months ahead.
In Glastonbury, the likelihood of sunny weather in May averages around 36%, which marks a notable increase from the colder months and a slight dip compared to the peak of April's 53%. This trend highlights the gradual transition into warmer, more inviting weather as spring unfolds. While May may not guarantee an abundance of sunshine, it certainly offers more favorable conditions compared to the earlier months, with a significant jump from just 21% in January and 23% in February. After the lush growth of April, May promises a dynamic landscape, inviting both locals and visitors to enjoy the glimpses of sun amidst the beautiful surroundings of this historic town.
In Glastonbury, the progression of daylight hours throughout the year reveals a beautiful transformation as spring gives way to summer. Starting with a modest 8 hours of daylight in January, the length gradually increases, reaching 11 hours by March and blossoming to 13 hours in April. May ushers in a delightful surge, offering 15 hours of daylight, perfect for enjoying the blooming scenery and outdoor activities. This trend continues into June and July, where daylight peaks at 16 hours, allowing for long, sunlit evenings. As summer wanes, daylight begins to taper off, with August seeing 14 hours, and a gradual reduction to 12 hours by September. The cycle completes as daylight diminishes to 10 hours in October, and further down to 8 hours in November, before the year concludes with the shortest days of 7 hours in December. This rhythmic pattern of increasing and decreasing daylight not only marks the changing seasons but also invites a deeper appreciation for nature’s cycles in Glastonbury.
In Glastonbury, the winds of May gently embrace the landscape, averaging a moderate 4.6 m/s (10 mph), which aligns with the earlier spring months, showcasing a slight increase from April's calmer breezes. As the year progresses, May's wind speed reflects a trend of fluctuation, with winter months like January and February experiencing stronger gusts at 4.7 m/s (10 mph) and 5.4 m/s (12 mph), respectively. However, as summer approaches, the winds tend to mellow, with June following suit at 3.3 m/s (7 mph). This breezy balance in May offers a refreshing contrast to the seasonal heat ahead, making it an ideal time for outdoor activities amid the historic charm of this enchanting town.
The weather in Glastonbury 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 Glastonbury and find detailed weather information for every month.
When comparing the weather in May and January, notable differences in temperature and conditions emerge. May boasts a wider temperature range, with minimums around 1°C (33°F) and maximums reaching up to 26°C (79°F), resulting in a pleasant average of 12°C (55°F). In contrast, January is much colder, with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 14°C (58°F), averaging just 6°C (42°F). While both months experience precipitation on about 11 days, May sees slightly higher rainfall at 66 mm (2.6 in) compared to January's 55 mm (2.2 in). Moreover, the humidity in January is slightly higher at 88%, compared to May's 80%. For more detailed insights, check out Glastonbury weather in January.
May and February present contrasting weather patterns. In May, temperatures range from a chilly 1°C (33°F) at night to a warm 26°C (79°F) during the day, with an average of 12°C (55°F). This month experiences about 66 mm (2.6 in) of precipitation spread over 11 days, accompanied by a humidity level of 80%. In contrast, February is noticeably cooler, with minimum temperatures plummeting to -5°C (23°F) and maximums reaching only 17°C (63°F), averaging 7°C (44°F). The precipitation in February is slightly higher at 67 mm (2.6 in) over 13 days, along with a higher humidity of 88%. For a deeper look into February conditions, you can visit Glastonbury weather in February.
In comparing the weather of March and May, it is clear that May generally offers milder temperatures. While March experiences a minimum of -5°C (22°F) and an average of 8°C (46°F), May's temperatures range from a minimum of 1°C (33°F) to an average of 12°C (55°F), ultimately peaking at 26°C (79°F). Precipitation in March is slightly higher at 76 mm (3.0 in) over 15 days, compared to May's 66 mm (2.6 in) across 11 days, suggesting that May is relatively drier. Humidity levels also decrease, with May at 80% compared to March's 86%. For more detailed insights, you can check Glastonbury weather in March.
In comparing the weather between April and May, we see a transition into warmer temperatures. April experiences a minimum temperature of -3°C (27°F) and an average of 10°C (50°F), while May offers a milder minimum of 1°C (33°F) and an average of 12°C (55°F). The maximum temperatures also rise slightly, with April reaching up to 23°C (73°F) compared to May's 26°C (79°F). Precipitation increases in May with 66 mm (2.6 in) over 11 days, compared to April's 49 mm (1.9 in) over 9 days. Additionally, humidity is slightly lower in May at 80%, compared to April's 84%. For more detailed information, you can check Glastonbury weather in April.
In comparing the weather of May and June, we observe a noticeable shift in temperatures. May features a minimum of 1°C (33°F) and an average of 12°C (55°F), with a maximum temperature reaching 26°C (79°F). In contrast, June starts off warmer with a minimum of 6°C (44°F) and an average of 16°C (61°F), peaking at 30°C (87°F). While both months have about 11 days of precipitation, June sees a slight increase in total rainfall, measuring 71 mm (2.8 in) compared to May's 66 mm (2.6 in). Interestingly, humidity remains consistent at 80% for both months, providing a similarly muggy feel. For more detailed insights, you can check Glastonbury weather in June.
May and July present quite distinct weather patterns, marking a transition from spring to summer. In May, temperatures range from a cool 1°C (33°F) to a pleasant 26°C (79°F), with an average of 12°C (55°F) and higher humidity at 80%, contributing to a slightly damp atmosphere. Precipitation is relatively common, with rain on 11 days totaling 66 mm (2.6 in). In contrast, July enjoys warmer temperatures, with a minimum of 8°C (46°F) and a maximum of 30°C (86°F), averaging 18°C (64°F). Although precipitation increases slightly to 68 mm (2.7 in), it remains consistent at 11 rainy days, but the lower humidity of 70% means a drier feel overall. For a detailed look at the weather specifics, check out Glastonbury weather in July.
In comparing the weather between May and August, it's clear that August offers warmer temperatures, with an average of 17°C (63°F) compared to May's 12°C (55°F). The maximum temperature in August reaches up to 31°C (88°F), while May's highest temperature is 26°C (79°F). Despite the higher warmth, August experiences slightly more precipitation, totaling 80 mm (3.1 in) over 13 days, compared to May’s 66 mm (2.6 in) on 11 days. Additionally, humidity levels are lower in August at 73% compared to May's 80%, making it feel less muggy. For more detailed insights, you can check Glastonbury weather in August.
In May, the weather typically presents a cool and variable climate, with temperatures ranging from a minimum of 1°C (33°F) to a maximum of 26°C (79°F) and an average of 12°C (55°F). This month experiences around 66 mm (2.6 in) of precipitation over about 11 days, along with relatively high humidity at 80%.
In contrast, September offers slightly warmer averages, with minimum temperatures of 2°C (36°F) and maximums reaching 29°C (84°F), averaging around 15°C (59°F). Precipitation decreases to 56 mm (2.2 in) over 9 days, and humidity is slightly lower at 79%. This transition into autumn tends to present a more stable weather pattern compared to the variability often seen in May.
For more details, check out Glastonbury weather in September.
May and October present quite different weather characteristics, despite their average temperatures being similar. In May, temperatures range from a cool 1°C (33°F) to a warm 26°C (79°F), with an average of 12°C (55°F). The month experiences relatively mild precipitation, totaling 66 mm (2.6 in) over about 11 days, alongside a humidity level of around 80%. Conversely, October sees a slight dip in temperatures, with lows reaching -1°C (31°F) and highs peaking at 23°C (73°F), while still averaging 12°C (54°F). The month is wetter, with 106 mm (4.2 in) of rain spread out over 14 days and higher humidity at 89%. For more details on October weather, you can check out Glastonbury weather in October.
May and November present contrasting weather patterns, with May typically experiencing milder temperatures and a more pleasant climate. In May, temperatures range from a minimum of 1°C (33°F) to a maximum of 26°C (79°F), with an average of 12°C (55°F) and relatively lower humidity at 80%. Precipitation occurs on about 11 days, totaling 66 mm (2.6 in). In contrast, November brings cooler temperatures, with a minimum of -2°C (29°F) and a maximum of 17°C (62°F), and an average of 9°C (48°F). The humidity rises to 90%, and precipitation is noted on approximately 13 days, maintaining the same total of 66 mm (2.6 in). For more details on November weather, visit Glastonbury weather in November.
May and December present quite contrasting weather patterns. In May, temperatures range from a chilly 1°C (33°F) at night to a warm 26°C (79°F) during the day, with an average of 12°C (55°F). The month sees about 66 mm (2.6 in) of precipitation spread over 11 days, contributing to a relatively comfortable humidity level of 80%. In contrast, December experiences colder temperatures, with a minimum of -2°C (28°F) and an average of 7°C (45°F), peaking at 14°C (58°F). The winter month is wetter, with 94 mm (3.7 in) of rain over 16 days and a higher humidity of 89%. For more details on the December climate, visit Glastonbury weather in December.
As spring unfolds in Glastonbury, May brings a delightful transformation with warmer temperatures and vibrant blooms, setting it apart from the chillier preceding months. This period experiences more sunshine and generally milder days, though temperatures can still dip at night. While rainfall persists with notable humidity, it is balanced by longer daylight hours, making it an inviting time for outdoor activities and exploration. For more insights into how May's weather contributes to Glastonbury's overall climate, check out Glastonbury Climate.