May Weather in Bletchley, United Kingdom

Last updated: March 17, 2025

May in Bletchley, United Kingdom, showcases a diverse climate characterized by a maximum temperature reaching 27°C (80°F), while average temperatures settle around a comfortable 12°C (55°F). The month experiences a noticeable chill with a minimum temperature plummeting to 0°C (33°F). Precipitation is a significant aspect of May, accumulating to 67 mm (2.6 in) over 11 days, imparting a lush, vibrant atmosphere to the landscape. Coupled with a humidity level of 79%, the weather in Bletchley reflects a dynamic interplay between warmth and moisture, inviting nature enthusiasts and visitors alike to explore the region's scenic beauty.

May Temperature in Bletchley

In May, Bletchley experiences a delightful transition into spring, with temperatures reflecting a notable warming trend. The month begins with a minimum of 0°C (33°F), gradually climbing to an average of 12°C (55°F) and reaching a pleasant maximum of 27°C (80°F). This is a stark contrast to the chill of earlier months, such as January and February, where temperatures frequently dipped below freezing. The progression from crisp early mornings to mild afternoons signifies a vibrant shift, encouraging outdoor activities and the blossoming of nature. As May unfolds, the warmth sets the stage for more summer-like conditions in June, creating a welcoming atmosphere for residents and visitors alike.

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

The chart illustrates May temperature patterns in Bletchley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec404245485461656358524643
Data source: Temperature data for Bletchley 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 Bletchley

In May, Bletchley experiences a noticeable uptick in precipitation, with rainfall totaling 67 mm (2.6 in) across 11 days. This marks a significant increase from the dryer month of April, which recorded only 37 mm (1.4 in). As spring transitions into early summer, the rise in moisture sets the stage for lush greenery and blooming flora. This trend continues into June, where precipitation peaks at 75 mm (3.0 in), suggesting that while May may be wetter than its predecessor, the following month amplifies the seasonal rainfall further. The consistent rainfall in May plays an essential role in replenishing the region's water supply and maintaining the vibrant landscape characteristic of this time of year.

May Precipitation Trends in Bletchley

The chart displays monthly precipitation patterns in Bletchley, 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.
JanFebMarAprMayJunJulAugSepOctNovDec544959376775677255935681
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Bletchley

In May, Bletchley experiences a noticeable shift in humidity, dropping to 79% from the higher levels of the earlier months. This decrease marks a transition into a drier period compared to the winter months, where humidity levels hovered around 91% in January and gently declined to 85% by April. As the region moves into summer, June brings a slight uptick to 80%, but May stands out as a brief yet refreshing reprieve from the typically moist British climate. This subtle change sets the stage for the warm, more comfortable months ahead, inviting both residents and visitors to enjoy the outdoors amid gradually improving weather conditions.

May Average Humidity in Bletchley

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

As May arrives in Bletchley, United Kingdom, residents can expect a noticeable increase in sun exposure, with the UV Index peaking at 7, categorizing it as high. This signifies a shift from the previous months of lower indices—1 to 5 in January through April—where burn times were significantly longer at around 30 to 45 minutes. Now, with a reduced burn time of just 25 minutes, it’s essential to be vigilant and take necessary precautions when venturing outdoors. The trend continues towards summer, with June and July reaching even higher levels of sun intensity, emphasizing the importance of sun safety during this time. For more detailed insights, check out the Bletchley UV Index.

Maximum UV Index Levels in Bletchley for May

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

May heralds the vibrant peak of sunshine in Bletchley, with a remarkable 380 hours of radiant daylight illuminating the landscape. This month stands out as a delightful contrast to the less sunny beginnings of the year, which start with a modest 93 hours in January and gradually build momentum through the spring. With each passing month, there’s a clear trend towards more sunshine; by April, the total reaches 303 hours, setting the stage for May's glorious sun-soaked days. Following May, sunshine hours begin to dip slightly but remain consistently high through June and July, showcasing Bletchley's charm as the spring gives way to summer. The gradual decline in sunlight during the later months signals the cyclical nature of the seasons, reminding residents and visitors alike of the beauty that comes with each transition.

Monthly Sunshine Duration in Bletchley: May Highlighted

The May sunshine duration represents the total number of hours Bletchley 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.
JanFebMarAprMayJunJulAugSepOctNovDec93h147h203h303h380h365h389h351h290h232h138h106h
Data source: Bletchley May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bletchley During May

May in Bletchley beckons with a 30% chance of sunshine, marking a notable shift from the earlier months of the year. This slightly elevated likelihood of sunny weather follows April's more promising 49%, hinting at the gradual transition into warmer days. However, the sunny prospects take a dip in June with only a 24% chance, suggesting that May may be one of the better months for enjoying outdoor activities before the usual UK summer variability sets in. Overall, while May isn't the sunniest month in Bletchley, it offers a fair opportunity for those looking to embrace the sunshine as spring starts to bloom.

Percentage of Sunny Days in May in Bletchley

The chart illustrates the percentage of sunny days in Bletchley 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 Bletchley experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec22%25%26%49%30%24%37%22%28%22%31%16%
Data source: Bletchley May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bletchley in May

As spring unfolds in Bletchley, May ushers in an invigorating increase in daylight, boasting 15 hours of sunlight that invites residents to enjoy the outdoors. This remarkable extension of daylight follows the gradual ascent from just 8 hours in January to 13 hours in April, illustrating a clear trend toward longer, brighter days as summer approaches. The transition from March to May highlights a significant jump, affirming Bletchley's shift into a season of growth and vitality. With daylight peaking at 16 hours in June and July, May serves as a delightful prelude to the sun-drenched days of summer, making it a perfect time for outdoor activities and communal festivities.

Average Daylight Hours in Bletchley for May

The chart illustrates the variation in daylight duration in Bletchley 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 56m15h 41m16h 37m16h 7m14h 32m12h 35m10h 35m8h 47m7h 49m
Data source: Bletchley daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Bletchley

In May, Bletchley experiences an average wind speed of 4.2 m/s (or 9 mph), which is a slight increase from the calmer April days. The winds during this month typically provide a refreshing backdrop to the blossoming scenery, showcasing the transition from spring to early summer. Compared to the preceding months, May's winds are particularly moderate, blending seamlessly with the vibrant atmosphere as outdoor activities begin to thrive. This gentle breeze continues a pattern established in the earlier months of the year, fluctuating but generally remaining around the lower end of the spectrum as seen in March and February, before tapering off again in the summer. As the year progresses into June and beyond, the winds in Bletchley tend to calm further, marking the onset of warmer, quieter days.

Average May Wind Speed in Bletchley

The chart displays monthly wind speed patterns in Bletchley, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.35.04.63.54.2 m/s3.33.23.93.54.74.14.7
Data source: Bletchley May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Bletchley Compares to Other Months

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

In May, temperatures range from a minimum of 0°C (33°F) to a maximum of 27°C (80°F), making it considerably warmer than January, which sees a low of -4°C (25°F) and a high of only 14°C (58°F). While May enjoys an average temperature of 12°C (55°F) and experiences about 67 mm (2.6 in) of precipitation over 11 days, January is slightly drier with 54 mm (2.1 in) of rainfall spread across 10 days. The humidity in January is also higher at 91%, compared to May's 79%, contributing to a distinct chill in the air during the mid-winter month. For those interested in a detailed overview, check out Bletchley weather in January.

May and February present contrasting weather conditions. In February, temperatures range from a chilly -6°C (22°F) to a mild 18°C (65°F), with an average of 6°C (43°F). During this month, precipitation is lower at 49 mm (1.9 in) over 11 days, but humidity is relatively high at 89%. In contrast, May sees a wider temperature span from 0°C (33°F) to 27°C (80°F), with an average of 12°C (55°F). While it has slightly higher precipitation at 67 mm (2.6 in) across the same number of days, the humidity is lower at 79%. For more detailed insights into February weather, you can check Bletchley weather in February.

In comparison to March, May typically offers milder and more pleasant weather. While March can still be quite chilly with minimum temperatures dropping to -6°C (21°F) and an average around 7°C (45°F), May sees minimum temperatures around 0°C (33°F) and an average of 12°C (55°F). Additionally, the maximum temperatures in May can reach as high as 27°C (80°F), whereas March peaks at 22°C (71°F). Precipitation levels are fairly similar, with May averaging 67 mm (2.6 in) over 11 days compared to March's 59 mm (2.3 in) over 13 days. However, the humidity is slightly lower in May at 79%, compared to March's 86%. For more detailed insights, you can check the weather statistics Bletchley weather in March.

In comparing the weather between April and May, we see a noticeable shift in temperatures and precipitation patterns. April experiences a minimum temperature of -3°C (28°F) and an average of 9°C (49°F), while May sees milder conditions with a minimum of 0°C (33°F) and an average of 12°C (55°F). Both months have maximum temperatures peaking at 26°C (80°F) for April and rising to 27°C (80°F) in May. Precipitation is higher in May, totaling 67 mm (2.6 in) over 11 days compared to April's 37 mm (1.4 in) over 8 days. Humidity levels are also higher in April at 85%, compared to May's 79%. For more details on April weather, you can visit Bletchley weather in April.

May and June exhibit a noticeable shift in weather conditions. In May, temperatures range from a chilly minimum of 0°C (33°F) to a pleasant maximum of 27°C (80°F), with an average of 12°C (55°F). The month experiences 67 mm (2.6 in) of precipitation over 11 days and maintains high humidity at 79%. As June arrives, the weather warms up significantly, showing minimum temperatures of 6°C (43°F) and maximums reaching 31°C (89°F), averaging 16°C (61°F). Precipitation slightly increases to 75 mm (3.0 in) over the same number of days, with humidity rising a notch to 80%. For a more detailed view of June weather, you can visit Bletchley weather in June.

In May, temperatures range from a chilly 0°C (33°F) at night to a pleasant 27°C (80°F) during the day, with an average of 12°C (55°F). The month experiences about 67 mm (2.6 in) of precipitation over 11 days, coupled with a high humidity level of 79%. In contrast, July brings warmer weather, with temperatures starting from a milder 7°C (45°F) at night, reaching highs of 37°C (98°F) and averaging 18°C (65°F). Interestingly, July also sees the same amount of rainfall—67 mm (2.6 in) but over 13 days, and the humidity drops to 71%. For more details, you can check out Bletchley weather in July.

May and August present distinct contrasts in weather patterns. In May, temperatures range from a chilly 0°C (33°F) at night to a pleasant average of 12°C (55°F), peaking at a warm 27°C (80°F) during the day. The humidity is relatively high at 79%, accompanied by 67 mm (2.6 in) of precipitation spread over 11 days. In contrast, August witnesses a more moderate temperature range, with minimums of 8°C (46°F), an average of 17°C (63°F), and maximums reaching up to 34°C (94°F). While August is slightly wetter with 72 mm (2.8 in) of rain over 13 days, the humidity remains lower at 76%. For more details on the weather in August, you can visit Bletchley weather in August.

May and September exhibit distinct differences in weather patterns. In May, temperatures range from a chilly minimum of 0°C (33°F) to a warm maximum of 27°C (80°F), with an average of 12°C (55°F). Precipitation is relatively moderate, accumulating to 67 mm (2.6 in) over approximately 11 days, and humidity levels sit at around 79%. In contrast, September brings slightly warmer weather with minimum temperatures of 3°C (37°F) and a maximum of 29°C (85°F), averaging 15°C (59°F). Precipitation decreases to 55 mm (2.2 in) over about 10 days, with humidity slightly higher at 82%. For more detailed weather insights, check out Bletchley weather in September.

In comparing the weather of May and October, we observe distinct differences in temperature and precipitation patterns. May generally boasts warmer temperatures, with an average of 12°C (55°F) and highs reaching up to 27°C (80°F), while October’s temperatures are cooler, averaging 11°C (53°F) and peaking at 23°C (73°F). Additionally, October experiences a higher level of precipitation, averaging 92 mm (3.6 in) over approximately 13 days, compared to May's 67 mm (2.6 in) over 11 days. The humidity levels also increase in October, averaging around 90%, compared to May's 79%. For more detailed information on October weather, you can check Bletchley weather in October.

May and November present a stark contrast in weather conditions. In May, temperatures range from a cool 0°C (33°F) to a warm 27°C (80°F), with an average of 12°C (55°F) and a relative humidity of 79%. This month also sees approximately 67 mm (2.6 in) of precipitation over about 11 days, making it a transition period into warmer weather. In contrast, November experiences cooler temperatures, with a minimum of -2°C (28°F), an average of 8°C (46°F), and a maximum of 17°C (62°F). The month averages 56 mm (2.2 in) of precipitation over 12 days, accompanied by higher humidity levels of 92%. For more details on this month's climate, check out Bletchley weather in November.

May and December offer distinctly different weather experiences. In May, temperatures range from a minimum of 0°C (33°F) to a pleasant average of 12°C (55°F), peaking at 27°C (80°F). The month sees around 67 mm (2.6 in) of precipitation over 11 days, with a humidity level of 79%, creating a generally mild and comfortable atmosphere. In contrast, December is much colder, with temperatures dipping as low as -6°C (22°F), averaging 6°C (43°F), and a maximum of 14°C (58°F). This month experiences more precipitation at 81 mm (3.2 in) over 14 days, accompanied by a higher humidity level of 92%, making it feel even chillier. For more insights into December's weather, you can check out Bletchley weather in December.

Compare Bletchley's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Bletchley

As May unfolds in Bletchley, it heralds a transition towards warmer days and blooming landscapes, distinguishing itself from the cooler months that precede it. Temperatures commonly peak at a delightful 27°C, making outdoor activities more appealing, while the average temperature settles at a mild 12°C. Despite a few showery days—totaling about 11—the humidity remains palpable at 79%, adding a refreshing touch to the atmosphere. This blend of warmth and occasional rain nurtures the lushness of spring, setting May apart from the brisk chill of earlier months. For a deeper understanding of the climatic patterns throughout the year, explore Bletchley Climate.