May Weather in Henley, United Kingdom

Last updated: March 17, 2025

May in Henley, United Kingdom is characterized by a pleasant range of temperatures, with a maximum of 21°C (71°F) and an average of 12°C (54°F), cooling down to a minimum of 4°C (39°F). While the month is inviting, it brings along a fair share of rain, with a total precipitation of 57 mm (2.2 in) occurring over 11 days. The humidity levels sit at a comfortable 82%, making for a refreshing yet moist atmosphere. This blend of temperature and precipitation shapes a vibrant springtime experience in Henley.

May Temperature in Henley

May in Henley, United Kingdom, marks a delightful transition into warmer weather, with temperatures showing a notable increase compared to the cooler months preceding it. The month begins with a minimum temperature of 4°C (39°F), climbing to an average of 12°C (54°F) and peaking at a refreshing 21°C (71°F). This warming trend highlights the gradual embrace of spring, as the chilly grips of winter fade away. As the days grow longer and sunnier, residents and visitors can enjoy a variety of outdoor activities, thanks to the mild climate that May offers. This month sets the stage for the approaching summer, making it an ideal time to explore Henley's picturesque landscapes and vibrant community events.

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

The chart illustrates May temperature patterns in Henley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414345485461646460554844
Data source: Temperature data for Henley 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 Henley

In May, Henley, United Kingdom, experiences a moderate level of precipitation, with 57 mm (2.2 in) recorded over approximately 11 days. This amount is a slight increase from April's notably drier conditions, where only 25 mm (1.0 in) fell in just 7 days. The transition into late spring shows a comeback of rain, as May reflects a resurgence in moisture levels typical of the season. Notably, the rainfall in May is similar to that of March and September, suggesting a consistent pattern of intermittent showers as the landscape shifts towards more lush greenery, setting the stage for the warmer months ahead. This trend of moderate raining continues into June and July, which both see a gradual increase in precipitation, emphasizing the wet nature of summer in Henley.

May Precipitation Trends in Henley

The chart displays monthly precipitation patterns in Henley, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5964562557646675579255101
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Henley

As spring gives way to summer, May in Henley, United Kingdom, greets residents with a moderate humidity level of 82%, reflecting a gradual decline from the earlier months. This month marks a notable shift from the winter's heavy moisture, where January's humidity peaks at 91% and begins a slow, steady descent through April. As temperatures rise, the air grows slightly drier, paving the way for the milder summer months ahead, where June's humidity dips further to 81%. This trend not only enhances the overall comfort but also sets a pleasant tone for outdoor activities, making May a delightful prelude to the warm days of summer.

May Average Humidity in Henley

This chart illustrates the average monthly humidity levels in Henley, 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%82%81%76%73%80%89%92%92%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Henley

As we transition into May in Henley, United Kingdom, the UV Index reaches a notable 7, classifying it as high exposure. This marks a significant increase from the lower indices of the earlier months. With a burn time of just 25 minutes, it's important for residents and visitors alike to take precautions under the sun. Following May, the UV Index escalates to 8 in June and July, indicating a period of very high exposure where sun safety becomes crucial. Conversely, the indices will begin to taper down into the moderate and low categories as autumn approaches. For detailed insights on keeping safe from UV rays, visit Henley UV Index.

Maximum UV Index Levels in Henley for May

The chart shows the monthly maximum UV Index (UVI) for Henley 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.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Henley 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 Henley

As spring transitions to summer in Henley, United Kingdom, May emerges as a radiant highlight, boasting an impressive 413 hours of sunshine. This significant increase follows the blossoming month of April, which already showcases a robust 344 hours of sunlight. The cheerful climb in brightness continues into June and July, with sunny days peaking at 416 hours, ensuring that Henley's landscape is drenched in warmth and light. The trend shows a clear pattern of ascending daylight hours as the year progresses, providing residents and visitors alike with an enchanting backdrop for outdoor activities and events. Indeed, as the sunshine graces the charm of Henley, it sets the stage for unforgettable experiences in the heart of spring.

Monthly Sunshine Duration in Henley: May Highlighted

The May sunshine duration represents the total number of hours Henley 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.
JanFebMarAprMayJunJulAugSepOctNovDec94h152h229h344h413h406h416h394h314h244h158h110h
Data source: Henley May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Henley During May

In Henley, United Kingdom, the likelihood of sunny weather in May stands at 35%, reflecting a slight dip from the more promising 47% in April. This decrease signals a transitional phase as spring gradually shifts into early summer. While May retains a decent chance of sunshine, it is notably lower than the peak of April, highlighting a trend where sunny days tend to flourish in the early spring months before receding slightly in late spring. The month of May sits comfortably in the middle of the sun probability spectrum, making it a delightful time to enjoy the outdoors, even if the skies might be partly cloudy.

Percentage of Sunny Days in May in Henley

The chart illustrates the percentage of sunny days in Henley 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 Henley experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec22%24%33%47%35%32%39%34%33%25%31%18%
Data source: Henley May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Henley in May

As spring unfolds in Henley, United Kingdom, the lengthening days herald a vibrant May, where residents bask in an impressive 15 hours of daylight. This trend marks a significant leap from the 8 hours of sunlight in January, reflecting the gradual approach of summer. While April offers a delightful 13 hours, it is in May that the days reach their peak vigor, foreshadowing the 16 hours that characterize the heart of summer in June and July. As the year progresses, daylight begins to wane again; August sees a decrease to 14 hours, followed by a steady decline into autumn. This clear seasonal rhythm not only enhances outdoor activities but also fosters a deeper appreciation for the changing light as nature transitions through its cycles.

Average Daylight Hours in Henley for May

The chart illustrates the variation in daylight duration in Henley throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 20m9h 56m11h 54m13h 55m15h 41m16h 37m16h 7m14h 32m12h 35m10h 35m8h 47m7h 49m
Data source: Henley daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Henley

In May, Henley experiences a gentle breath of wind, with an average speed of 5.3 m/s (12 mph). This marks a slight increase from the more vibrant gusts of March and February, showcasing the transitional nature of spring. As the weather warms, wind speeds diminish slightly from the April low of 4.7 m/s (10 mph), before gradually picking up again into the summer months. Notably, May’s winds are still notably less vigorous than the more blustery months of January and October, which often see speeds exceeding 6 m/s. This creates a pleasant atmosphere perfect for outdoor activities, as the breezy conditions provide just enough refreshment without overwhelming the serene beauty of the onset of summer.

Average May Wind Speed in Henley

The chart displays monthly wind speed patterns in Henley, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.96.25.54.75.3 m/s4.14.75.24.56.15.35.8
Data source: Henley May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Henley Compares to Other Months

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

In comparing the weather between May and January, we can observe distinct contrasts in temperature and humidity. May showcases a mild range with minimum temperatures around 4°C (39°F) and average highs reaching 21°C (71°F), while January experiences colder conditions, featuring a minimum of -1°C (30°F) and an average maximum of only 13°C (55°F). Both months see similar levels of precipitation, with May receiving 57 mm (2.2 in) and January slightly more at 59 mm (2.3 in), although the humidity is higher in January at 91% compared to May's 82%. For a closer look at January conditions, you can refer to this link: Henley weather in January.

May and February present distinctly different weather patterns. In May, average temperatures range from a minimum of 4°C (39°F) to a maximum of 21°C (71°F), providing a noticeable warmth compared to February, which sees temperatures from -3°C (28°F) to a maximum of 13°C (56°F). While May experiences 57 mm (2.2 in) of precipitation over 11 days, February is slightly wetter, with 64 mm (2.5 in) of rain spread across 12 days. Additionally, humidity levels in February are higher at 89%, compared to May's 82%, contributing to the chilly feel of late winter. For more details on February weather in Henley, you can visit Henley weather in February.

In comparing the weather of March and May, it becomes evident that May offers a more moderate climate. The minimum temperature in May is 4°C (39°F) compared to March's colder -3°C (26°F), with an average temperature in May reaching 12°C (54°F) versus March's 7°C (45°F). Additionally, while both months experience similar levels of precipitation—57 mm (2.2 in) in May and 56 mm (2.2 in) in March—May typically has fewer rainy days, occurring on 11 days compared to March's 13 days. Humidity levels are slightly lower in May at 82%, as opposed to 86% in March, making for a more comfortable atmosphere. For a more detailed look at March's weather, you can visit Henley weather in March.

In comparing the weather between April and May, it's evident that May tends to be warmer and wetter. While April boasts an average temperature of 9°C (48°F), with a maximum of 20°C (69°F) and a minimum of 0°C (33°F), May shows an increase with an average of 12°C (54°F) and a maximum of 21°C (71°F). Additionally, May experiences more precipitation, totaling 57 mm (2.2 in) over 11 days, compared to April's 25 mm (1.0 in) across 7 days. However, the humidity levels are slightly lower in May at 82%, compared to April's 85%. For more detailed information, you can visit Henley weather in April.

In comparing the weather between May and June, May typically experiences cooler temperatures, with a minimum of 4°C (39°F) and an average of 12°C (54°F), while June warms up, featuring a minimum of 8°C (47°F) and an average of 16°C (61°F). The maximum temperatures also rise, reaching 21°C (71°F) in May compared to 24°C (75°F) in June. Precipitation is slightly higher in June, with 64 mm (2.5 in) over 9 days, compared to May's 57 mm (2.2 in) spread over 11 days. Interestingly, humidity remains relatively stable between the two months, with May averaging 82% and June slightly lower at 81%. For more detailed insights into June weather, you can check Henley weather in June.

Comparing the weather in May and July reveals notable differences in temperature and conditions. In May, the temperatures range from a cool minimum of 4°C (39°F) to a pleasant maximum of 21°C (71°F), with an average temperature of 12°C (54°F). The month typically experiences 57 mm (2.2 in) of precipitation over 11 days, with high humidity levels at 82%. In contrast, July enjoys warmer temperatures, with a minimum of 11°C (52°F) and a maximum of 28°C (83°F), averaging at 18°C (64°F). Despite slightly higher precipitation at 66 mm (2.6 in) over 13 days, the humidity in July is lower at 76%. For a detailed look at the weather patterns in July, you can visit Henley weather in July.

The weather in May is generally cooler and more humid compared to August. In May, temperatures range from a minimum of 4°C (39°F) to a maximum of 21°C (71°F), with an average of around 12°C (54°F) and high humidity at 82%. In contrast, August brings warmer temperatures, with a minimum of 10°C (51°F) and a maximum of 26°C (80°F), averaging 18°C (65°F) along with lower humidity at 73%. Additionally, August sees slightly more precipitation, totaling 75 mm (2.9 in) over about 12 days, compared to May's 57 mm (2.2 in) over 11 days. For more details, you can check the Henley weather in August.

May and September present a notable transition in weather. In May, temperatures range from a brisk minimum of 4°C (39°F) to a pleasant maximum of 21°C (71°F), while the average temperature sits at 12°C (54°F). The month experiences about 57 mm (2.2 in) of precipitation over 11 days, accompanied by relatively high humidity at 82%. In contrast, September offers slightly warmer conditions, with temperatures ranging from 7°C (45°F) to 23°C (74°F) and an average of 16°C (61°F). Precipitation remains similar at 57 mm (2.3 in) but occurs over just 10 days, with a marginally lower humidity of 80%. For more detailed weather insights, check out Henley weather in September.

May and October exhibit similar temperature ranges, with both months having minimum temperatures around 4°C (39°F to 40°F) and maximum temperatures peaking at 21°C (70°F to 71°F). However, May generally averages slightly lower with temperatures around 12°C (54°F), while October sees a marginal increase to an average of 13°C (55°F). Precipitation is notably higher in October, with 92 mm (3.6 in) falling over 14 days compared to May's 57 mm (2.2 in) over 11 days, indicating a wetter month. Additionally, October's humidity is higher at 89%, compared to May's 82%, making for a more humid feel as the month progresses. For more detailed information, check out this link: Henley weather in October.

May and November present distinct weather patterns, reflecting the transition from spring to autumn. In May, temperatures range from a minimum of 4°C (39°F) to a maximum of 21°C (71°F), with an average of 12°C (54°F), making it generally warmer compared to November. Conversely, November sees cooler temperatures, with a minimum of 2°C (35°F) and a maximum of 16°C (62°F), averaging only 9°C (48°F). Precipitation levels are similar in both months, with 57 mm (2.2 in) for May and 55 mm (2.2 in) for November, both spread over approximately 11 days. However, November experiences slightly higher humidity at 92%, compared to May's 82%. For more detailed information on November weather, visit Henley weather in November.

May and December present contrasting weather conditions. In May, temperatures range from a minimum of 4°C (39°F) to a pleasant average of 12°C (54°F), peaking at 21°C (71°F), with relatively lower humidity at 82%. Rainfall averages about 57 mm (2.2 in) over 11 days, offering a mild and often pleasant spring atmosphere. In contrast, December sees much cooler temperatures, with a minimum of 0°C (32°F) and a maximum of 13°C (56°F), resulting in an average of just 7°C (44°F). The month experiences higher precipitation, totaling around 101 mm (4.0 in) over 16 days, accompanied by increased humidity at 92%, making the winter months feel much more damp and chilly. For more details about December weather, visit Henley weather in December.

Compare Henley's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Henley

As May arrives in Henley, the weather transitions into a more mild and inviting climate, serving as a delightful precursor to the summer months. With temperatures peaking at a pleasant 21°C (71°F) and an average of 12°C (54°F), May notably feels warmer and brighter compared to the cooler spring months. However, this month can still bring some unpredictability, with around 11 days of precipitation that contribute to the lushness of the surrounding landscapes. The humidity also lingers at a higher level of 82%, creating a refreshing atmosphere. If you’re planning a visit, embracing the charm of May in Henley is an experience not to be missed. For more detailed insights, explore Henley Climate.