May Weather in Knebworth, United Kingdom

Last updated: March 17, 2025

In Knebworth, United Kingdom, May weather presents a delightful mix of warmth and occasional rainfall. The maximum temperature soars to a pleasant 26°C (79°F), while the average hovers around 13°C (55°F), providing a refreshing climate for outdoor activities. It's not uncommon to feel a chill at night with temperatures dipping to a minimum of 2°C (35°F). Throughout the month, 65 mm (2.5 in) of rain graces the area over approximately 11 days, contributing to a humidity level of 79% that adds a touch of lushness to the landscape. Whether basking in the sun or enjoying the rejuvenating showers, Knebworth in May offers a vibrant atmosphere for both locals and visitors alike.

May Temperature in Knebworth

In Knebworth, United Kingdom, May ushers in a delightful transition toward warmer weather, showcasing an impressive leap in temperatures. With a minimum of 2°C (35°F) and a maximum reaching up to 26°C (79°F), the month signifies a significant shift from the cooler days of early spring. The average temperature settles comfortably at 13°C (55°F), inviting outdoor activities and blooming landscapes. Compared to the preceding months where temperatures hovered far lower, May's warmth heralds the arrival of summer, making it an ideal time for both locals and visitors to enjoy the lush surroundings of this charming village. The steady rise in temperatures not only enhances the beauty but also elevates the spirit, as Knebworth embraces the blossoming season.

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

The chart illustrates May temperature patterns in Knebworth, 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 Knebworth 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 Knebworth

In May, Knebworth experiences a noticeable uptick in precipitation, with 65 mm (2.5 in) of rain falling over 11 days. This marks a significant increase compared to the lighter showers of April, highlighting a transition to wetter conditions as spring gives way to early summer. The trend of rising precipitation continues into June, where the average increases to 74 mm (2.9 in). This pattern suggests that May serves as a bridge between the milder, drier months of spring and the more consistently wet summer ahead, reinforcing Knebworth's reputation for its unpredictable yet vibrant climate.

May Precipitation Trends in Knebworth

The chart displays monthly precipitation patterns in Knebworth, 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.
Choose your preferred precipitation unit

May Humidity in Knebworth

As spring blooms into summer, May in Knebworth, United Kingdom, experiences a welcome dip in humidity, landing at 79%. This decrease marks a notable shift from the wetter months of winter and early spring, where humidity levels hovered above 85%. Transitioning from the chill of April, which had a humidity of 85%, May signifies the onset of milder weather, setting the stage for the warmer months ahead. Following this trend, June sees a slight rise to 80%, but July's drop to 71% shows that summer brings a refreshing change. Overall, May offers a pleasant balance of freshness and warmth, making it an ideal time to enjoy the lush greenery that characterizes Knebworth during this season.

May Average Humidity in Knebworth

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

As May unfolds in Knebworth, the UV Index rises to 7, marking a transition into the high exposure category. This increase signifies that sun safety becomes increasingly important, with a reduction in burn time to just 25 minutes. Compared to the earlier months, where the UV Index ranged from low to moderate, May brings a noticeable uptick in intensity, urging residents and visitors alike to embrace protective measures. As summer approaches, it's crucial to stay vigilant against harmful rays, particularly with June's peak coming up next. For detailed insights on UV levels throughout the year, check out Knebworth UV Index.

Maximum UV Index Levels in Knebworth for May

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

As spring unfolds in Knebworth, the days grow ever brighter, culminating in May when the sun shines for an impressive 398 hours. This surge in sunlight represents a significant leap from the 319 hours recorded in April, establishing May as the pinnacle of radiance in the year. Following this vibrant month, June and July maintain the sun's generous disposition with 389 and 404 hours respectively, before gradually yielding to shorter days as summer wanes. The pattern clearly illustrates a delightful crescendo of sunshine that peaks in early summer, inviting both locals and visitors to revel in the lush landscapes and social activities that thrive under Knebworth's long, sunlit days.

Monthly Sunshine Duration in Knebworth: May Highlighted

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

Chance of Sun in Knebworth During May

In Knebworth, the chance of enjoying sunny weather in May stands at 31%, which presents a delightful contrast to the cooler months earlier in the year. After a gradual ascent from a modest 20% in January to a noteworthy 48% in April, May sees a slight dip, suggesting a transitional phase as spring melds into summer. Interestingly, this percentage is higher than the likelihood for the following months, such as June (27%) and July (38%), hinting that while May may not guarantee a sun-drenched day, it remains a promising opportunity for pleasant weather. Overall, May provides a charming blend of warmth and sunshine, making it a favorable time for outdoor activities in Knebworth.

Percentage of Sunny Days in May in Knebworth

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

Daylight Hours in Knebworth in May

As spring transitions into summer in Knebworth, United Kingdom, daylight hours experience a significant increase, peaking in May with an impressive 15 hours of sunlight. Following April's 13 hours, May heralds the arrival of longer, brighter days that invite outdoor activities and social gatherings. This upward trend in daylight continues into June and July, where residents enjoy the maximum daylight of 16 hours. As summer wanes, the days gradually shorten, tapering down to 14 hours in August and further decreasing to 12 hours by September. The cyclical nature of daylight duration in Knebworth emphasizes the contrast between the vibrant, sun-filled months of late spring and summer, and the shorter, cozier days of autumn and winter, where January and December see just 8 and 7 hours of daylight, respectively.

Average Daylight Hours in Knebworth for May

The chart illustrates the variation in daylight duration in Knebworth 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: Knebworth daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Knebworth

In Knebworth, May experiences a gentle breeze with an average wind speed of 4.3 m/s (10 mph), slightly brisker than April's calmer conditions. This transition in winds reflects a subtle upward trend as spring gives way to summer. While February boasts the highest average wind speed at 4.9 m/s (11 mph), May stands out for its consistency, mirroring the more moderate winds of March. Following May, the wind speeds dip in June, suggesting a shift towards quieter summer days. Interestingly, the later months of the year, particularly October and December, echo May's winds, bringing a sense of continuity as the seasons change. Overall, the May winds in Knebworth are not only refreshing but also serve as a harbinger of the calmer summer ahead.

Average May Wind Speed in Knebworth

The chart displays monthly wind speed patterns in Knebworth, 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: Knebworth May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Knebworth Compares to Other Months

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

May and January present quite contrasting weather conditions. In May, temperatures range from a cool minimum of 2°C (35°F) to a pleasant maximum of 26°C (79°F), with an average of 13°C (55°F). The month experiences about 65 mm (2.5 in) of precipitation over 11 days, accompanied by a humidity level of 79%. Conversely, January is much colder, with temperatures ranging from -5°C (24°F) to a maximum of 14°C (58°F), averaging only 5°C (41°F). This month sees slightly less precipitation at 54 mm (2.1 in) over 10 days, but the humidity is higher at 91%. For more detailed insights, check out Knebworth weather in January.

May and February present contrasting weather experiences. In May, temperatures typically range from a minimum of 2°C (35°F) to a pleasant maximum of 26°C (79°F), with an average around 13°C (55°F). The month sees about 65 mm (2.5 in) of precipitation over approximately 11 days, accompanied by a humidity level of 79%. In contrast, February features chillier temperatures, with a minimum of -6°C (22°F) and a maximum of 18°C (65°F), yielding an average of 6°C (43°F). The month has slightly less precipitation at 51 mm (2.0 in), also over 11 days, albeit with a higher humidity of 89%. For more insights, you can check Knebworth weather in February.

When comparing the weather in May and March, a notable change in temperatures can be observed. May typically sees warmer conditions with minimum temperatures around 2°C (35°F) and average highs reaching 26°C (79°F). In contrast, March experiences cooler days, with lows plummeting to -6°C (22°F) and a maximum of 22°C (71°F). Precipitation levels are slightly higher in May at 65 mm (2.5 in) over 11 days, as opposed to March's 56 mm (2.2 in) over 13 days, suggesting that while May is generally wetter, it has fewer rainy days. Additionally, March has a higher humidity level at 86%, compared to May's 79%, making March feel more damp and chilly. For those interested in a deeper dive into March weather specifics, you can check Knebworth weather in March.

In comparing the weather for April and May, we see a transition from cooler to milder conditions. April experiences a wider temperature range, with a minimum of -2°C (29°F) and an average of 9°C (49°F), while May's temperatures are notably warmer, with a minimum of 2°C (35°F) and an average of 13°C (55°F). Despite having a similar high, May brings more overall warmth compared to April. Precipitation in April is relatively light at 32 mm (1.3 in) over 8 days, whereas May sees an increase to 65 mm (2.5 in) spread out over 11 days, indicating a wetter month. Humidity remains slightly higher in April at 85% compared to May's 79%. For detailed information about April weather, you can visit Knebworth weather in April.

May and June present a notable transition in weather conditions. 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). The month experiences about 65 mm (2.5 in) of precipitation over 11 days, and humidity averages around 79%. In contrast, June enjoys warmer temperatures, with a minimum of 7°C (45°F), an average of 16°C (62°F), and a peak of 31°C (88°F). Although June sees slightly higher precipitation at 74 mm (2.9 in) over 10 days, the humidity remains similar at 80%. For more detailed weather insights, check Knebworth weather in June.

The weather in May is generally cooler, with temperatures ranging from a low of 2°C (35°F) to a high of 26°C (79°F), averaging around 13°C (55°F). This month experiences relatively high humidity at 79% and sees about 65 mm (2.5 in) of precipitation over approximately 11 days. In contrast, July brings warmer conditions, with minimum temperatures of 9°C (48°F) and maximums reaching up to 36°C (96°F), averaging 18°C (65°F). Although July has a slightly higher precipitation level of 67 mm (2.6 in) spread over 12 days and lower humidity at 71%, it still feels much warmer. For a detailed look at July weather trends, check out Knebworth weather in July.

May and August showcase distinct differences 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 of 13°C (55°F). The month experiences around 65 mm (2.5 in) of precipitation over 11 days and maintains a high humidity level of 79%. In contrast, August offers warmer temperatures, with a minimum of 8°C (47°F), an average of 18°C (64°F), and a peak of 34°C (93°F). This month sees slightly higher precipitation, totaling 72 mm (2.8 in) over 13 days, and a marginally lower humidity of 76%. For a closer look at August weather specifics, visit Knebworth weather in August.

In comparing the weather between May and September, we can see some notable differences and similarities. May typically experiences a cooler average temperature with a minimum of 2°C (35°F) and a maximum of 26°C (79°F), while September sees slightly warmer conditions, with temperatures ranging from 3°C (38°F) to a high of 28°C (83°F). Precipitation in May is slightly higher at 65 mm (2.5 in) over 11 days, compared to September's 49 mm (1.9 in) over 10 days. Both months exhibit fairly high humidity levels, with May at 79% and September a touch higher at 82%. For those interested in more detailed September weather insights, check out Knebworth weather in September.

May and October present contrasting yet similar weather conditions. 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). This month experiences around 65 mm (2.5 in) of precipitation over 11 days, maintaining a humidity level of 79%. In contrast, October sees slightly cooler temperatures, with a minimum of 1°C (34°F) and a maximum of 23°C (73°F), averaging 12°C (53°F). Precipitation increases to 86 mm (3.4 in) over 12 days, accompanied by a higher humidity of 90%. For more detailed insights into the October climate, you can visit Knebworth weather in October.

In May, the weather is generally mild, with temperatures ranging from a minimum of 2°C (35°F) to a comfortable maximum of 26°C (79°F), and an average of 13°C (55°F). The month experiences around 65 mm (2.5 in) of precipitation over approximately 11 days, accompanied by a humidity level of 79%. In contrast, November sees cooler temperatures, with a minimum of -2°C (29°F), an average of 8°C (46°F), and a maximum of 16°C (62°F). Precipitation decreases slightly to 51 mm (2.0 in) occurring over about 10 days, but humidity is notably higher at 92%. For a more detailed look at November weather specifics, you can check Knebworth weather in November.

In comparing the weather of May and December, a distinct shift is evident. May enjoys milder temperatures, ranging from a minimum of 2°C (35°F) to a maximum of 26°C (79°F), with an average of 13°C (55°F), while December is considerably colder, with temperatures dipping as low as -5°C (23°F) and averaging just 6°C (43°F). Precipitation is slightly higher in December, totaling 83 mm (3.3 in) over 14 days compared to May's 65 mm (2.5 in) over 11 days, and December also experiences higher humidity at 92% versus May's 79%. For more detailed insights about the chilly December climate, check Knebworth weather in December.

Compare Knebworth's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Knebworth

As spring transitions into summer, Knebworth's May weather presents a delightful mix of warmth and moisture, creating a vibrant atmosphere that's both refreshing and lively. With average temperatures hovering around 13°C, the month tends to be noticeably warmer than the preceding chilly April, bringing an increase in pleasant days. However, the humidity can reach a lush 79%, making some days feel stickier than others. Rainfall is still prevalent, as evidenced by the typical 11 days of precipitation, but the overall mood of May is characterized by the promise of lush greenery and blooming flowers. For more detailed insights on how Knebworth's May compares to other months, visit Knebworth Climate.