May Weather in St Albans, United Kingdom

Last updated: March 17, 2025

May in St Albans, United Kingdom, offers a delightful blend of warm days and cool nights. With a maximum temperature reaching 26°C (79°F) and an average of 13°C (55°F), residents and visitors alike can enjoy pleasant outdoor activities. However, the weather can be unpredictable, as evidenced by frequent rainfall, totaling 65 mm (2.5 in) over 11 days. The humidity level sits at a comfortable 79%, adding to the lush greenery that characterizes this charming city during the late spring. Whether you're exploring the historic streets or enjoying the vibrant parks, May is a month that showcases St Albans' natural beauty and inviting atmosphere.

May Temperature in St Albans

In May, St Albans experiences a delightful transition into spring, as temperatures begin to warm significantly. The minimum temperature rises to 2°C (35°F), while the average climbs to 13°C (55°F), and the highs can reach a pleasant 26°C (79°F). This marks a noticeable increase from the cooler months preceding it, particularly from April, where temperatures were already on the rise. As May unfolds, residents and visitors alike can bask in the sunshine, enjoying milder days and blooming scenery. This month serves as a perfect reminder that summer is just around the corner, providing an inviting atmosphere for outdoor activities and exploration in the beautiful surroundings of St Albans.

May Weather in St Albans: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in St Albans, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec404345495561656459534643
Data source: Temperature data for St Albans generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in St Albans

May in St Albans experiences a notable increase in precipitation compared to the preceding months, with 65 mm (2.5 in) of rainfall spread over approximately 11 days. This uptick marks a shift from April's drier spell, wherein just 32 mm (1.3 in) fell over 8 days. The trend suggests that as spring transitions into summer, St Albans can expect not only more frequent rain but also heavier downpours, evident as June continues this pattern with even higher totals. The overall rise in precipitation during May is part of a gradual increase that characterizes the late spring, preparing the region for the lush greenery of summer.

May Precipitation Trends in St Albans

The chart displays monthly precipitation patterns in St Albans, 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.
JanFebMarAprMayJunJulAugSepOctNovDec545156326574677249865183
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in St Albans

As spring gives way to summer, May in St Albans, United Kingdom, experiences a notable decline in humidity, dipping to 79%. This marks a transition from the higher humidity levels typical of the earlier months; for instance, January starts at a staggering 91%, gradually decreasing through the spring. The humidity in May is a refreshing shift compared to the 85% in April, making it an ideal time for outdoor activities before the gradual rise in humidity returns in June. This trend highlights a seasonal ebb and flow, where St Albans gradually moves towards the warmer, yet slightly more comfortable, days of summer.

May Average Humidity in St Albans

This chart illustrates the average monthly humidity levels in St Albans, 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 St Albans

As May approaches in St Albans, the UV Index makes a noticeable leap to 7, indicating a high exposure category, which suggests a burn time of just 25 minutes for sensitive skin. This shift from the moderate levels of previous months highlights the importance of sun protection, as residents enjoy longer days and sunnier weather. Compared to the relatively low indices of January and February, which hovered around 1 to 2, the increase sharpens the need for vigilance against UV radiation. As summer draws near, staying informed about the UV Index is essential—especially with June and July projected to reach even higher levels. For more insights on UV conditions throughout the year, visit St Albans UV Index.

Maximum UV Index Levels in St Albans for May

The chart shows the monthly maximum UV Index (UVI) for St Albans 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: St Albans 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 St Albans

In St Albans, May ushers in a delightful surge of sunshine, boasting an impressive 398 hours of bright daylight—making it one of the sunniest months of the year. After a gradual increase from just 98 hours in January to 319 hours in April, the month of May signifies a vibrant turning point, characterized by longer days and warmer temperatures. Following May, the sunshine remains plentiful in June and July, with 389 and 404 hours respectively, showcasing a peak summer brightness. However, as the year progresses into the autumn months, the sun retreats, dropping to 300 hours in September and further to 144 hours by November. This pattern reflects the natural ebb and flow of light throughout the year, with May standing out as a particularly luminous highlight in St Albans' seasonal calendar.

Monthly Sunshine Duration in St Albans: May Highlighted

The May sunshine duration represents the total number of hours St Albans 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.
JanFebMarAprMayJunJulAugSepOctNovDec98h148h210h319h398h389h404h368h300h241h144h109h
Data source: St Albans May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in St Albans During May

May in St Albans, United Kingdom, typically sees a 31% chance of sunny weather, a figure that reflects a mild dip from April's 48%. This month marks a transition into late spring, where sunshine can be more frequent, yet still fluctuating within a broader trend of variable daylight. The chances of sunny days are notably higher than in the winter months, where January and December linger around 20% and 16%, respectively. However, as we move towards summer, June experiences a slight decrease to 27%, suggesting that May can still offer some delightful sunny spells before summer takes the spotlight. Thus, while expectations for sun are more promising than the earlier months, May's weather can still surprise, balancing the warmth of spring with the unpredictability of early summer.

Percentage of Sunny Days in May in St Albans

The chart illustrates the percentage of sunny days in St Albans 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 St Albans experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec20%25%28%48%31%27%38%24%29%24%32%16%
Data source: St Albans May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in St Albans in May

As spring transitions into summer, St Albans basks in progressively longer daylight hours, reaching a delightful peak in May with 15 hours of daylight. This increase is evident as the days lengthen from January's modest 8 hours to the 13 hours observed in April. May serves as a pivotal month, offering an explosion of light and warmth that invigorates outdoor activities and community life. The trend continues into June and July, where daylight reaches a maximum of 16 hours, fostering a vibrant atmosphere. However, as August approaches, daylight begins to wane slightly, reminding us of the impending transition back to shorter days. This cyclical pattern highlights not only the joys of the warmer months but also the rhythmic dance of daylight throughout the year in this charming UK city.

Average Daylight Hours in St Albans for May

The chart illustrates the variation in daylight duration in St Albans 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 54m15h 39m16h 34m16h 4m14h 30m12h 35m10h 36m8h 49m7h 52m
Data source: St Albans daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in St Albans

In St Albans, May greets residents with a delightful average wind speed of 4.3 m/s (10 mph), slightly brisker than the preceding months. As spring unfolds, the winds begin to pick up just after April's calm 3.5 m/s (8 mph), suggesting a refreshing shift in the air. This trend reflects a consistency in wind patterns where early spring often sees gentler breezes, which then gradually escalate heading into the summer. Notably, as we transition from the lush blooms of May to the warmer summer months, wind speeds show a varied but generally moderate range, cushioning the transition with a refreshing touch against the warming days. The data highlights a gentle but noticeable ebb and flow, making May an invigorating time to enjoy the outdoors in this historic city.

Average May Wind Speed in St Albans

The chart displays monthly wind speed patterns in St Albans, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.44.94.63.54.3 m/s3.33.44.03.44.64.14.6
Data source: St Albans May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in St Albans Compares to Other Months

The weather in St Albans 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 St Albans and find detailed weather information for every month.

May and January present contrasting weather conditions. In May, temperatures range from a minimum of 2°C (35°F) to a pleasant maximum of 26°C (79°F), with an average of 13°C (55°F), creating a milder, more enjoyable climate. The month experiences about 65 mm (2.5 in) of precipitation over roughly 11 days, with humidity at 79%, making it feel refreshing. In contrast, January is much cooler, with temperatures ranging from a min of -5°C (24°F) to a max of 14°C (58°F) and an average of only 5°C (41°F). It has slightly less precipitation at 54 mm (2.1 in) over about 10 days and higher humidity at 91%, creating a chilly and damp atmosphere. For a more in-depth look, you can visit St Albans weather in January.

When comparing the weather in May and February, notable differences emerge in temperature and humidity. May features a much milder climate, with temperatures ranging from a minimum of 2°C (35°F) to a maximum of 26°C (79°F), while February experiences colder conditions, with temperatures ranging from a low of -6°C (22°F) to a high of 18°C (65°F). Despite May's warmer averages, it sees slightly more precipitation at 65 mm (2.5 in) compared to February's 51 mm (2.0 in), although both months share the same number of rainy days at 11. Additionally, February has higher humidity levels at 89%, compared to May's 79%, making it feel a bit more damp and chilly during that month. For more detailed information, you can visit St Albans weather in February.

When comparing the weather in May and March, it's clear that May generally offers milder and more pleasant conditions. In May, temperatures range from a minimum of 2°C (35°F) to a maximum of 26°C (79°F), while March experiences much colder temperatures, dipping as low as -6°C (22°F) and peaking at 22°C (71°F). Although March has slightly lower precipitation levels at 56 mm (2.2 in) compared to May's 65 mm (2.5 in), it also has more rainy days, with 13 days of precipitation versus May's 11 days. Furthermore, March has a higher humidity level at 86%, compared to May's 79%. For more detailed information about March weather, you can check St Albans weather in March.

In comparing the weather of May and April, May generally features milder temperatures, with an average of 13°C (55°F) compared to April's average of 9°C (49°F). The minimum temperatures in May are also more favorable at 2°C (35°F), while April sees colder nights with a minimum of -2°C (29°F). However, April's maximum temperature reaches 27°C (80°F), slightly surpassing May's maximum of 26°C (79°F). Additionally, May has more precipitation at 65 mm (2.5 in) over 11 days, compared to April's 32 mm (1.3 in) over 8 days, despite slightly lower humidity levels in May at 79% versus April's 85%. For a detailed look at April's weather, visit St Albans weather in April.

May and June exhibit a notable shift in weather patterns. In May, temperatures range from a chilly minimum of 2°C (35°F) to a pleasant maximum of 26°C (79°F), with an average temperature of 13°C (55°F). Rainfall is moderate, accumulating to 65 mm (2.5 in) over 11 days, alongside humidity levels reaching 79%. In contrast, June brings warmer temperatures, with a minimum of 7°C (45°F) and a maximum soaring to 31°C (88°F), averaging at 16°C (62°F). While June sees slightly higher precipitation at 74 mm (2.9 in) over 10 days, humidity remains comparable at 80%. For more detailed information on June weather, visit St Albans weather in June.

May and July in St Albans exhibit notable differences in weather patterns. In May, temperatures range from a chilly 2°C (35°F) at night to a comfortable 26°C (79°F) during the day, with an average of 13°C (55°F). The month experiences 65 mm (2.5 in) of precipitation over 11 days, and humidity remains high at 79%. In contrast, July sees a significant rise in temperatures, with minimums of 9°C (48°F) and maximums peaking at a sweltering 36°C (96°F), averaging 18°C (65°F). Despite having a bit more rainfall at 67 mm (2.6 in) spread over 12 days, July is generally drier with lower humidity at 71%. For more details on July weather specifics, you can refer to St Albans weather in July.

In comparison to May, August typically features warmer temperatures, with a minimum of 8°C (47°F), an average of 18°C (64°F), and a maximum of 34°C (93°F). In contrast, May's temperatures range from a cooler 2°C (35°F) to a maximum of 26°C (79°F), averaging 13°C (55°F). While both months experience a fair amount of precipitation, August records slightly more at 72 mm (2.8 in) over 13 days, compared to May's 65 mm (2.5 in) over 11 days. Interestingly, August also sees a lower humidity level at 76%, while May's humidity remains higher at 79%. For more detailed insights, you can check St Albans weather in August.

May and September both offer mild temperatures, but there are some noticeable differences in their weather patterns. In May, the average temperature hovers around 13°C (55°F), with a maximum of 26°C (79°F) and a minimum of 2°C (35°F). The month experiences relatively high humidity at 79% and sees about 65 mm (2.5 in) of precipitation over approximately 11 days. In contrast, September enjoys slightly warmer average temperatures, with a minimum of 3°C (38°F), an average of 15°C (59°F), and a maximum reaching 28°C (83°F). Additionally, September records less rainfall, totaling 49 mm (1.9 in) across about 10 days, while humidity increases slightly to 82%. For more details, check out St Albans weather in September.

The weather in May is generally milder and more variable compared to October, with temperatures ranging from a minimum of 2°C (35°F) to a maximum of 26°C (79°F), leading to an average of 13°C (55°F). During this month, precipitation averages around 65 mm (2.5 in) across 11 days, and humidity levels sit at 79%. In contrast, October experiences cooler temperatures, with a range from a minimum of 1°C (34°F) to a maximum of 23°C (73°F), and an average temperature of 12°C (53°F). This month also sees a higher total precipitation of 86 mm (3.4 in) spread over 12 days, accompanied by increased humidity at 90%. For a detailed look at October weather, you can check St Albans weather in October.

May and November present quite different weather patterns. In May, temperatures range from a minimum of 2°C (35°F) to a maximum of 26°C (79°F), with an average of 13°C (55°F), contributing to a pleasant spring atmosphere. The month experiences about 65 mm (2.5 in) of precipitation over 11 days, with humidity hovering around 79%. In contrast, November sees cooler temperatures, with lows dropping to -2°C (29°F) and highs reaching only 16°C (62°F), averaging 8°C (46°F). This month has slightly less precipitation at 51 mm (2.0 in) spread across 10 days, but the humidity is notably higher at 92%. For a more detailed look at November weather, check out St Albans weather in November.

In May, the weather offers a pleasant warmth with temperatures ranging from a minimum of 2°C (35°F) to a comfortable average of 13°C (55°F), peaking at 26°C (79°F). The month experiences around 65 mm (2.5 in) of precipitation spread over 11 days, accompanied by a humidity level of 79%. In contrast, December brings a significant chill, with temperatures dropping to a minimum of -5°C (23°F), an average of 6°C (43°F), and a maximum of 14°C (58°F). This winter month has a higher precipitation level of 83 mm (3.3 in) across 14 days, coupled with increased humidity at 92%. For more information, check out St Albans weather in December.

Compare St Albans's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in St Albans

As May settles in over St Albans, the weather begins to shift notably from the earlier months of spring. With temperatures creeping up to a pleasant maximum of 26°C (79°F), days are increasingly warm, making it a delightful time to enjoy the outdoors. However, the month still carries a hint of the lingering chill of earlier seasons, with lows dipping to 2°C (35°F). While precipitation continues to make its presence felt, bringing about 11 rainy days, the overall humidity remains elevated, creating a refreshing yet occasionally damp atmosphere. This blend of warmth and moisture sets May apart, offering a unique transition into the lushness of summer. For a deeper insight into the broader climatic trends, visit St Albans Climate.