May Weather in Guildford, United Kingdom

Last updated: March 17, 2025

May in Guildford, United Kingdom presents a delightful spring atmosphere characterized by mild temperatures and moderate rainfall. The maximum temperature reaches a pleasant 26°C (79°F), while the average sits around a comfortable 13°C (55°F), and the nights can dip as low as 1°C (34°F). Despite the inviting warmth, expect 65 mm (2.6 in) of precipitation over 10 days, resulting in a humidity level of 79%, which contributes to a lush, vibrant landscape. This blend of sun and rain makes May an ideal time to explore Guildford's natural beauty and charm.

May Temperature in Guildford

In Guildford, United Kingdom, May marks a welcoming transition into warmer months, showcasing a significant uplift in temperatures. With minimums of 1°C (34°F) and averages peaking at 13°C (55°F), the days offer a delightful escape from the chilly winter remnants. The maximum temperature can reach a pleasant 26°C (79°F), hinting at the promise of summer just around the corner. This pattern of steady increase from the cooler spring months indicates a blossoming vibrancy, encouraging both locals and visitors to enjoy outdoor activities as nature comes alive. The gradual rise in warmth not only enhances the overall atmosphere but also sets the stage for the long, sunny days ahead.

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

The chart illustrates May temperature patterns in Guildford, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414345495562656359534644
Data source: Temperature data for Guildford 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 Guildford

May in Guildford brings a notable increase in precipitation, with 65 mm (2.6 in) of rainfall recorded over 10 days. This amount marks a rise from April's relatively dry spell of 35 mm (1.4 in), indicating a shift towards the wetter conditions typical of late spring. As the month progresses, the landscape transforms into a vibrant green, thanks to the generous moisture that supports blossoming flora. Compared to neighboring months, May stands out as the transition into more consistent rainfall, preparing the region for the even rainier June, which sees 77 mm (3.0 in) over just 9 days. The pattern underscores a clear trend of increasing precipitation as spring gives way to summer, creating a dynamic backdrop for outdoor activities and gardening in Guildford.

May Precipitation Trends in Guildford

The chart displays monthly precipitation patterns in Guildford, 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.
JanFebMarAprMayJunJulAugSepOctNovDec515357356577677044885686
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Guildford

As spring gives way to summer in Guildford, May brings a notable drop in humidity, settling at 79% compared to the wetter months preceding it. This trend reflects a gradual decrease from the high humidity levels experienced earlier in the year, such as January’s 91% and February’s 89%. With the arrival of warmer weather, the air feels slightly drier, presenting a refreshing transition into June where humidity stays relatively stable at 80%. This mild shift marks a departure from the damp chill of winter and sets the stage for the typically warmer, sunnier summer months ahead, where humidity reaches its lowest in July at 71%. Overall, May serves as a pivotal month where humidity begins to balance out, enhancing the enjoyment of outdoor activities before the peak summer heat.

May Average Humidity in Guildford

This chart illustrates the average monthly humidity levels in Guildford, 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 Guildford

As we transition into May in Guildford, the UV Index rises to 7, indicating a high level of sun exposure that requires caution when enjoying the outdoors. This is a notable increase from April's 6, and it signifies the onset of sunnier days that encourage outdoor activities. With a burn time of just 25 minutes, it's essential to prioritize sun protection during this month. This trend of escalating UV levels continues into June and July, where the index peaks at 8, making May an important time to adopt protective measures in anticipation of the upcoming summer sun. To learn more about how the UV Index fluctuates throughout the year, check out Guildford UV Index.

Maximum UV Index Levels in Guildford for May

The chart shows the monthly maximum UV Index (UVI) for Guildford 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.
JanFebMarAprMayJunJulAugSepOctNovDec124678876421
Data source: Guildford 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 Guildford

May in Guildford shines as a beacon of warmth and light, boasting an impressive 405 hours of sunshine. This month marks a significant peak in the annual trend, following a steady increase from 99 hours in January to 326 hours in April. As spring gives way to summer, the sunshine hours continue to glide seamlessly into June and July, where they remain consistently high, averaging over 396 hours. The transition into late summer sees a gentle decline, yet the overall pattern illustrates how May stands out as a vibrant highlight in Guildford’s yearly sunshine calendar, inviting residents and visitors alike to bask in its radiant embrace before the slower, cooler months set in.

Monthly Sunshine Duration in Guildford: May Highlighted

The May sunshine duration represents the total number of hours Guildford 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.
JanFebMarAprMayJunJulAugSepOctNovDec99h148h209h326h405h396h408h375h309h244h149h112h
Data source: Guildford May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Guildford During May

In May, the likelihood of sunny weather in Guildford, United Kingdom, hovers around 35%, presenting a mix of sunny days interspersed with the potential for rain. Although this figure shows a slight decline from April's 52%, it remains relatively higher compared to the months that follow, particularly June, which drops to 28%. This dip in sunny days aligns with a general trend of increasing cloudiness as spring transitions into summer. So while May offers a promising chance for sunny weather, it's wise to prepare for a typical British mix of sunshine and showers.

Percentage of Sunny Days in May in Guildford

The chart illustrates the percentage of sunny days in Guildford 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 Guildford experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec20%25%33%52%35%28%38%26%29%26%33%19%
Data source: Guildford May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Guildford in May

As spring blossoms into summer, Guildford, United Kingdom, experiences a remarkable increase in daylight, peaking at 15 hours in May. This transition is striking, beginning with a modest 8 hours in January, gradually unfolding into the longer days of late spring. By March, daylight extends to 11 hours, and April delights with a further increase to 13 hours. The month of May not only brings vibrant flora and warmer temperatures but also encourages outdoor activities, thanks to its generous sunlight. Following May, daylight continues to lengthen, reaching a maximum of 16 hours in June and July before tapering off in the late summer and autumn months. This gradual rise and fall of daylight throughout the year greatly shape the rhythm of life in Guildford, inviting residents and visitors alike to embrace the beauty of each season.

Average Daylight Hours in Guildford for May

The chart illustrates the variation in daylight duration in Guildford throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 26m9h 59m11h 55m13h 53m15h 36m16h 29m16h 1m14h 28m12h 34m10h 37m8h 52m7h 56m
Data source: Guildford daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Guildford

In Guildford, May brings a gentle average wind speed of 4.4 m/s (10 mph), reminiscent of the breezy days of January and October. As spring unfolds, the winds tend to moderate slightly, especially when compared to the gustier months of February and March, where speeds reach up to 4.9 m/s (11 mph) and 4.5 m/s (10 mph), respectively. April sees the winds dip to a more tranquil 3.5 m/s (8 mph), creating a serene atmosphere just before the warmth of summer settles in. This mild May breeze invites outdoor activities, making it a delightful time to enjoy the blooming scenery and fresh air. The pattern highlights a steady airflow, ensuring that Guildford remains a lively and refreshing locale during this picturesque month.

Average May Wind Speed in Guildford

The chart displays monthly wind speed patterns in Guildford, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.34.94.53.54.4 m/s3.13.43.83.34.43.74.4
Data source: Guildford May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Guildford Compares to Other Months

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

May and January present quite contrasting weather patterns. In May, temperatures range from a minimum of 1°C (34°F) to a maximum of 26°C (79°F), with an average temperature of 13°C (55°F). This month typically experiences 65 mm (2.6 in) of precipitation over about 10 days, accompanied by a humidity level of 79%. In contrast, January is colder, with temperatures varying from -5°C (23°F) to 14°C (58°F) and an average of 5°C (41°F). While it sees slightly less precipitation at 50 mm (2.0 in) over the same number of days, January's humidity is higher at 91%. For more details on January weather, you can check Guildford weather in January.

When comparing the weather in May and February, it's clear that May offers significantly warmer temperatures, with averages of 13°C (55°F) compared to February's cooler 6°C (43°F). May sees maximums reaching up to 26°C (79°F), while February peaks at 18°C (64°F). Although both months experience a fair amount of precipitation—65 mm (2.6 in) in May versus 53 mm (2.1 in) in February—February tends to have a slightly higher humidity level at 89%, compared to May's 79%. If you’d like to explore more about February weather, check out Guildford weather in February.

In comparing the weather between March and May, it becomes clear that May offers a more temperate climate. May’s average temperature reaches 13°C (55°F) with maximums of 26°C (79°F), while March has a cooler average of 7°C (46°F) and can drop to a minimum of -6°C (21°F). Additionally, May experiences slightly more precipitation at 65 mm (2.6 in) over 10 days, compared to March's 57 mm (2.2 in) over 13 days. However, March tends to be more humid, with a humidity level of 86% compared to May's 79%. For more details on the weather patterns in March, you can check Guildford weather in March.

In comparing the weather of April and May, May tends to be milder with a wider temperature range, showcasing a minimum of 1°C (34°F), an average of 13°C (55°F), and a maximum of 26°C (79°F). In contrast, April starts cooler, with a minimum temperature of -3°C (27°F) and an average of 10°C (49°F), although it can also reach a maximum of 25°C (78°F). Precipitation is higher in May at 65 mm (2.6 in) over 10 days compared to April's 35 mm (1.4 in) over 7 days. Additionally, May has a slightly lower humidity level at 79%, while April experiences a higher humidity at 85%. For more detailed insights, you can check Guildford weather in April.

In comparing the weather between May and June, we see a notable increase in temperatures. May features a minimum temperature of 1°C (34°F), an average of 13°C (55°F), and a maximum of 26°C (79°F), while June boasts a minimum of 7°C (45°F), an average of 16°C (62°F), and a maximum of 31°C (88°F). Additionally, June tends to be slightly wetter, with 77 mm (3.0 in) of precipitation over 9 days compared to May's 65 mm (2.6 in) over 10 days. Humidity levels are quite similar, with May at 79% and June slightly higher at 80%. For more detailed information, view Guildford weather in June.

In comparing the weather between May and July, it's evident that July offers warmer temperatures, with an average of 18°C (65°F) compared to May's average of 13°C (55°F). The maximum temperature in July can rise to a sweltering 35°C (95°F), significantly higher than May's peak of 26°C (79°F). However, both months experience similar levels of precipitation, with July slightly edging out May at 67 mm (2.6 in) over 11 days compared to May's 65 mm (2.6 in) over 10 days. Additionally, July features a lower humidity level at 71%, unlike May's higher humidity at 79%. For more detailed information, you can check Guildford weather in July.

May and August display contrasting weather patterns, reflecting the transition from spring to summer. In May, temperatures range from a chilly 1°C (34°F) at night to a comfortable 26°C (79°F) during the day, averaging around 13°C (55°F). The month experiences about 65 mm (2.6 in) of rainfall over 10 days, paired with a relatively high humidity of 79%. In contrast, August brings warmer temperatures, starting at a mild 8°C (46°F) and soaring up to 33°C (91°F), with an average of 17°C (64°F). Precipitation slightly increases to 70 mm (2.8 in) over 11 days, while humidity remains a touch lower at 76%. For more details on August weather, you can check Guildford weather in August.

In May, temperatures range from a chilly 1°C (34°F) at night to a pleasant 26°C (79°F) during the day, with an average of 13°C (55°F). The month experiences about 65 mm (2.6 in) of precipitation spread over 10 days, contributing to a humidity level of 79%. In contrast, September enjoys slightly warmer conditions, with minimum temperatures of 3°C (37°F) and maximums reaching 28°C (83°F), averaging 15°C (59°F). This month is generally drier, receiving only 44 mm (1.7 in) of rainfall over 8 days and maintaining a slightly higher humidity of 82%. For more details on September weather patterns, you can visit Guildford weather in September.

May and October present distinct weather characteristics as spring transitions into autumn. In May, temperatures range from a minimum of 1°C (34°F) to a maximum of 26°C (79°F), with an average of 13°C (55°F). The month experiences around 65 mm (2.6 in) of precipitation over approximately 10 days, with humidity levels at 79%. In contrast, October sees slightly cooler temperatures, with a minimum of 0°C (33°F), an average of 12°C (54°F), and a maximum of 23°C (73°F). Precipitation increases to 88 mm (3.5 in) over about 13 days, accompanied by higher humidity at 90%. For more details on October weather, you can check Guildford weather in October.

In May, the weather typically offers a pleasant range of temperatures, with a minimum of 1°C (34°F) and an average of 13°C (55°F), peaking at a comfortable 26°C (79°F). The month sees around 65 mm (2.6 in) of precipitation over approximately 10 days, accompanied by a humidity level of 79%. In contrast, November brings cooler conditions, with temperatures dropping to a minimum of -2°C (29°F) and averaging around 8°C (47°F), reaching a maximum of only 16°C (62°F). This month experiences slightly less precipitation at 56 mm (2.2 in), but it does have a higher number of rainy days, totaling 12, along with increased humidity at 92%. For more specifics, you can check Guildford weather in November.

May and December present contrasting weather characteristics. In May, temperatures range from a minimum of 1°C (34°F) to a pleasant maximum of 26°C (79°F), with an average of 13°C (55°F). The month sees about 65 mm (2.6 in) of precipitation over roughly 10 days, accompanied by a humidity level of 79%. In contrast, December is notably chillier, with temperatures dipping as low as -4°C (26°F) and peaking at 15°C (58°F), averaging around 6°C (44°F). This month experiences greater precipitation, totaling 85 mm (3.4 in) across approximately 14 days, along with higher humidity at 92%. For further details on December conditions, check out Guildford weather in December.

Compare Guildford's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Guildford

As May unfolds in Guildford, the weather brings a delightful shift that is both refreshing and inviting. With temperatures warming up significantly compared to the chillier months, residents and visitors can finally enjoy the outdoors in comfortable conditions. The average temperature rises, and while the potential for some rainy days remains, the overall ambiance is brightened by longer daylight hours and lush greenery. Humidity hovers at a pleasant level, making it a perfect time for leisurely strolls in the blossoming parks. This blend of warmer days interspersed with some rain showers showcases the beauty of spring as it prepares for the full bloom of summer. To explore more about Guildford's weather patterns, visit Guildford Climate.