May Weather in Gloucester, United Kingdom

Last updated: March 17, 2025

May in Gloucester, United Kingdom, offers a delightful mix of weather, with maximum temperatures reaching up to 26°C (79°F), providing warm days for outdoor activities. The average temperature hovers around 12°C (54°F), while the minimum temperature can drop to a brisk 0°C (32°F), reminding visitors to pack layers. Despite being one of the sunnier months, precipitation is not uncommon, with about 74 mm (2.9 in) of rain falling across 12 days, resulting in a humidity level of around 79%. This combination of warmth and occasional showers creates a vibrant spring atmosphere, perfect for exploring Gloucester’s historic sites and lush countryside.

May Temperature in Gloucester

As May arrives in Gloucester, the weather begins to transform from the lingering chill of spring to the warmth of early summer. With minimum temperatures averaging around 0°C (32°F) and maximums reaching 26°C (79°F), this month marks a significant shift, showcasing a gradual increase in warmth from the colder months that preceded it. The mean temperature of 12°C (54°F) suggests a delightful balance, inviting both locals and visitors to enjoy the beautiful blooming landscapes. Unlike the chilly early months of the year, May’s climate encourages outdoor activities, creating an idyllic backdrop for leisurely strolls, picnics, and exploring the vibrant local scene. Overall, it signals a time of renewal and vibrant life, heralding the sunny days that lie ahead.

May Weather in Gloucester: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Gloucester, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414345485460646258524643
Data source: Temperature data for Gloucester 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 Gloucester

In May, Gloucester experiences a noticeable uptick in precipitation, with an average of 74 mm (about 2.9 inches) of rain, making it one of the wetter months of the year. This increase is complemented by rainfall spread over approximately 12 days, contributing to the lush, vibrant landscapes characteristic of early summer. Compared to the preceding month of April, which had only 48 mm (1.9 inches) across 9 days, May's rainfall marks a significant shift as the region transitions into a more irrigated season. Interestingly, this rainfall pattern continues into June, suggesting a persistent springtime influence before the drier summer months. Overall, May serves as a bridge between the softer spring showers and the more robust summer rains, highlighting the dynamic climate of Gloucester.

May Precipitation Trends in Gloucester

The chart displays monthly precipitation patterns in Gloucester, 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.
JanFebMarAprMayJunJulAugSepOctNovDec536068487473637353966686
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Gloucester

As spring transitions into summer in Gloucester, May brings a notable drop in humidity to around 79%, marking a refreshing change from the consistently high figures seen in the earlier months of the year. This decline is particularly evident when compared to the winter months, where humidity hovers above 90%, and even the preceding April sits at a relatively humid 85%. Following May, humidity levels begin to rise slightly again in June, but the trend is clear: May stands out as a brief period of respite from the high moisture levels that characterize much of the year. It's this mild humidity that often contributes to the pleasant spring weather, making May an ideal time for outdoor activities in the picturesque English countryside.

May Average Humidity in Gloucester

This chart illustrates the average monthly humidity levels in Gloucester, 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.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%85%79%81%71%76%82%91%92%92%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Gloucester

As spring transitions into summer, May in Gloucester brings a notable increase in the UV Index, reaching 7 and categorizing it as high. This shift signifies that while outdoor enjoyment becomes more appealing, caution is essential, with a burn time of just 25 minutes for unprotected skin. In comparison to earlier months, where the index started at a low of 1 in January, the upward trend highlights a growing need for sun safety as the warmer days approach. Observing the patterns, there's a discernible rise as summer nears, peaking at 8 in June and July. Understanding these trends is vital for anyone planning activities outdoors. For more detailed insights, check out Gloucester UV Index.

Maximum UV Index Levels in Gloucester for May

The chart shows the monthly maximum UV Index (UVI) for Gloucester 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.
JanFebMarAprMayJunJulAugSepOctNovDec124578876421
Data source: Gloucester 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 Gloucester

May is a radiant transition in Gloucester, with 381 hours of sunshine, marking it as one of the sunniest months of the year. Following a gradual climb from the 89 hours in January to the charming 308 hours in April, May shines even brighter, signaling the anticipated arrival of summer. This upward trend continues into June, although slightly trailing behind May with 364 hours, and peaks in July with 395 hours—the pinnacle of sunny days. Each month builds on the last, showcasing Gloucester’s vibrant shift from the chilly depths of winter to the warm embrace of spring and summer, where longer days invite outdoor adventures and community gatherings.

Monthly Sunshine Duration in Gloucester: May Highlighted

The May sunshine duration represents the total number of hours Gloucester 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.
JanFebMarAprMayJunJulAugSepOctNovDec89h142h194h308h381h364h395h347h284h231h131h108h
Data source: Gloucester May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Gloucester During May

In Gloucester, the likelihood of sunny weather shows an interesting pattern as the year progresses. Following a promising 51% chance of sunshine in April, May experiences a slight dip, with a 32% likelihood of sunny days. While this is still relatively favorable, it hints at a transition as spring gives way to early summer. Interestingly, the sunny prospects in May are notably higher compared to the winter months, where chances hover around 22% to 27%. Yet, as summer approaches, the sun doesn't dominate, with June and July presenting lower probabilities of sunshine at 26% and 37% respectively. This trend suggests that while May offers a taste of the sun, residents should be prepared for mixed weather as the month unfolds.

Percentage of Sunny Days in May in Gloucester

The chart illustrates the percentage of sunny days in Gloucester 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 Gloucester experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec22%23%27%51%32%26%37%25%26%24%31%18%
Data source: Gloucester May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Gloucester in May

As spring unfolds in Gloucester, May brings with it an invigorating 15 hours of daylight, marking a significant leap from the 13 hours in April. This longer daylight not only enhances the vibrancy of outdoor activities but also sets the stage for the approaching summer months, where daylight peaks at 16 hours in June and July. The progressive increase in daylight from January’s 8 hours to May’s generous offerings indicates a clear upward trend in sunlit hours, providing ample opportunity for residents and visitors alike to bask in the beauty of the blooming season. Following May, the gradual tapering off in August and the ensuing months reminds us of the transient nature of daylight, urging us to savor each radiant moment.

Average Daylight Hours in Gloucester for May

The chart illustrates the variation in daylight duration in Gloucester throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 22m9h 57m11h 55m13h 55m15h 40m16h 34m16h 5m14h 31m12h 35m10h 36m8h 49m7h 51m
Data source: Gloucester daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Gloucester

In May, Gloucester experiences an average wind speed of 4.1 m/s (9 mph), marking a slight resurgence from the calmer conditions of April, which recorded a low of 3.3 m/s (7 mph). This gentle breeze, characteristic of spring, complements the warming temperatures and burgeoning greenery, inviting locals and visitors alike to enjoy the outdoors. As the month progresses, wind speeds remain relatively stable, foreshadowing the lower winds of summer that follow in June, where the average drops to 3.3 m/s (7 mph). Thus, May serves as a transitional period, balancing brisk conditions with the onset of warmer, calmer days.

Average May Wind Speed in Gloucester

The chart displays monthly wind speed patterns in Gloucester, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.25.24.43.34.1 m/s3.33.03.73.34.53.84.5
Data source: Gloucester May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Gloucester Compares to Other Months

The weather in Gloucester 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 Gloucester and find detailed weather information for every month.

May and January present quite contrasting weather conditions. In May, temperatures range from a minimum of 0°C (32°F) to a maximum of 26°C (79°F), with an average of 12°C (54°F), while January's temperatures are notably cooler, with a range from -4°C (25°F) to 14°C (57°F), averaging only 5°C (41°F). May enjoys a higher level of warmth and exhibits more variability in temperature, with 12 days of rain contributing to a total precipitation of 74 mm (2.9 in) and a humidity level of 79%. In contrast, January has lower precipitation at 53 mm (2.1 in) over 10 rainy days but features higher humidity at 91%. For a detailed look at January's weather, you can check Gloucester weather in January.

When comparing the weather in May and February, notable differences emerge in temperature and precipitation patterns. In May, temperatures range from a minimum of 0°C (32°F) to a maximum of 26°C (79°F), with an average of 12°C (54°F). This month experiences higher humidity at 79% and sees about 74 mm (2.9 in) of precipitation over 12 days. Conversely, February has a colder climate, with temperatures ranging from a minimum of -6°C (22°F) to a maximum of 18°C (64°F) and an average of 6°C (43°F). Precipitation is slightly lower at 60 mm (2.3 in) across 13 days but is accompanied by higher humidity at 89%. For more specific details on February's weather patterns, you can check Gloucester weather in February.

In comparing the weather between May and March, May presents a noticeably warmer climate, with average temperatures rising to 12°C (54°F) compared to March's average of 7°C (45°F). While March experiences lower temperatures, it can still reach a maximum of 21°C (70°F), but it is often chillier, especially with a minimum temperature of -6°C (22°F). In terms of precipitation, both months see a similar amount, with May receiving 74 mm (2.9 in) over 12 days and March slightly less at 68 mm (2.7 in) over 14 days. Furthermore, May has a lower humidity level at 79%, while March is quite humid at 86%. For more details on March weather, you can check Gloucester weather in March.

In comparing the weather of May and April, it is clear that May tends to be milder, with average temperatures reaching 12°C (54°F) compared to April's average of 9°C (49°F). The minimum temperature in May is also higher, starting at 0°C (32°F) versus April's lower minimum of -3°C (26°F). However, while May experiences slightly higher precipitation at 74 mm (2.9 in) over 12 days, April sees less rainfall at 48 mm (1.9 in) over 9 days. Interestingly, humidity levels are a bit lower in May at 79% compared to April's 85%, making May feel slightly more comfortable despite the higher temperatures. For a more detailed look at April's weather, you can refer to Gloucester weather in April.

In May, temperatures range from a chilly 0°C (32°F) to a comfortable maximum of 26°C (79°F), with an average temperature of 12°C (54°F). The month experiences about 74 mm (2.9 in) of precipitation over 12 days, accompanied by a humidity level of 79%.

In contrast, June sees a significant warm-up, with minimum temperatures rising to 6°C (43°F) and maximums reaching up to 30°C (87°F), resulting in a higher average of 16°C (61°F). Precipitation remains similar at 73 mm (2.9 in) over 11 days, but humidity also slightly increases to 80%.

For a detailed look at the weather in June, you can check this link: Gloucester weather in June.

May and July present distinct weather experiences. In May, temperatures range from a chilly minimum of 0°C (32°F) to a pleasant average of 12°C (54°F), with a maximum of 26°C (79°F). Precipitation is more frequent, totaling 74 mm (2.9 in) across 12 days, contributing to a higher humidity level of 79%. In contrast, July sees a warmer climate, with minimum temperatures of 7°C (45°F), an average of 18°C (64°F), and a high of 31°C (88°F). With lower precipitation at 63 mm (2.5 in) over 11 days, July enjoys slightly drier conditions and a relative humidity of 71%. For a deeper look into July weather patterns, you can check Gloucester weather in July.

In comparing the weather between May and August, we see some notable differences despite similar precipitation levels. May experiences cooler temperatures, with a low of 0°C (32°F) and an average of 12°C (54°F), while August brings warmer conditions, starting at a minimum of 7°C (45°F) and averaging 17°C (62°F). Additionally, August can peak significantly higher, with maximum temperatures reaching up to 33°C (91°F), compared to May’s maximum of 26°C (79°F). However, both months share a similar precipitation amount of 73-74 mm (2.9 in) across about 12 days and maintain relatively high humidity, with May slightly higher at 79% versus August's 76%. For more details on August weather, you can check Gloucester weather in August.

May and September present distinct weather characteristics that mark the transition between spring and autumn. In May, temperatures range from a minimum of 0°C (32°F) to a comfortable maximum of 26°C (79°F), averaging around 12°C (54°F). This month experiences 74 mm (2.9 in) of precipitation over approximately 12 days, with humidity levels peaking at 79%. In contrast, September sees a slight increase in minimum temperatures at 3°C (37°F) and a maximum of 29°C (84°F), averaging at 14°C (58°F). With lower precipitation at 53 mm (2.1 in) spread over 8 days, September has a humidity level of 82%. These changes highlight the gradual warming into autumn as summer fades. For further details on September weather, visit Gloucester weather in September.

May and October exhibit notable differences in weather, showcasing the transition from spring to fall. In May, temperatures typically range from a minimum of 0°C (32°F) to a maximum of 26°C (79°F), with an average of 12°C (54°F). The month sees about 74 mm (2.9 in) of precipitation over 12 days and has a humidity level of 79%. In contrast, October experiences slightly cooler temperatures, with a minimum of -1°C (31°F) and a maximum of 23°C (74°F), averaging around 11°C (53°F). It also tends to be wetter, with 96 mm (3.8 in) of rainfall spread across 14 days and increased humidity at 90%. For more details on October weather, you can check Gloucester weather in October.

In May, the weather begins to warm up, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 26°C (79°F) and an average of 12°C (54°F). It experiences some rainfall, with 74 mm (2.9 in) of precipitation over about 12 days, coupled with a humidity level of 79%. In contrast, November sees much cooler temperatures, with a minimum of -3°C (27°F), an average of 8°C (46°F), and a maximum of 17°C (62°F). Although it has slightly less precipitation at 65 mm (2.6 in) over 13 days, humidity is higher at 92%. For those interested in more details, you can find additional information at Gloucester weather in November.

May and December present contrasting weather patterns. In May, temperatures range from a chilly 0°C (32°F) at their lowest to a pleasant 26°C (79°F) at their peak, with an average of 12°C (54°F). The month experiences a moderate level of precipitation at 74 mm (2.9 in) over about 12 days, coupled with a humidity of 79%. In contrast, December brings much colder conditions, with temperatures dropping as low as -8°C (19°F) and reaching a maximum of 14°C (57°F), averaging just 6°C (44°F). Precipitation increases slightly to 86 mm (3.4 in) over approximately 15 days, and humidity is higher at 92%. For more detailed information, visit Gloucester weather in December.

Compare Gloucester's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Gloucester

May in Gloucester heralds a delightful transition from the chill of early spring to the warmth of summer, with temperatures gradually rising to create a comfortable atmosphere. Unlike the cooler months, May boasts a pleasant average temperature that invites outdoor activities, although a few rainy days—averaging 12 in total—keep the landscape lush and vibrant. While humidity levels rise, they are often tempered by mild breezes, making it an excellent time to explore the beauty of the region. To delve deeper into Gloucester's weather patterns throughout the year, visit Gloucester Climate.