May Weather in Windsor, United Kingdom

Last updated: March 17, 2025

In Windsor, United Kingdom, May brings a delightful mix of spring warmth and occasional showers. With maximum temperatures reaching up to 26°C (78°F) and an average of 13°C (55°F), residents can enjoy comfortable outdoor activities, although the month may start briskly with minimum temperatures dipping to 1°C (35°F). Expect a moderate precipitation total of 63 mm (2.5 in) over about 10 days, highlighting the area's humid atmosphere, which typically hovers around 79%. This intriguing blend of weather makes May in Windsor a vibrant time, inviting both locals and visitors to embrace the beauty of spring in full bloom.

May Temperature in Windsor

In Windsor, United Kingdom, May heralds a beautiful transition into milder weather, with temperatures showing a pleasant rise. The minimum temperature sits at a crisp 1°C (35°F), offering a fresh start to spring. As the days progress, the average temperature climbs to a comfortable 13°C (55°F), perfect for enjoying the blooming gardens and outdoor activities. The warmth peaks with a maximum temperature reaching 26°C (78°F), hinting at the summer warmth to come. This gradual warming trend from the colder months of early spring is a welcomed change, making May an ideal time to explore Windsor's rich history and picturesque landscapes.

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

The chart illustrates May temperature patterns in Windsor, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414345495562656459534643
Data source: Temperature data for Windsor 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 Windsor

In May, Windsor experiences a significant uptick in rainfall, with precipitation measuring 63 mm (2.5 in) over approximately 10 days. This marks a noteworthy increase from April’s drier conditions, where only 33 mm (1.3 in) fell over just 8 days. The shift heralds the arrival of more robust spring showers, often nourishing the verdant landscapes that define the region. As the month progresses toward the summer, the precipitation trend continues to rise, leading into June's 74 mm (2.9 in). This steady increase not only supports local ecosystems but also indicates the gradual transition from the cooler, less wet months of early spring to the more humid summer season, keeping Windsor vibrant and lush.

May Precipitation Trends in Windsor

The chart displays monthly precipitation patterns in Windsor, 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.
JanFebMarAprMayJunJulAugSepOctNovDec525255336374646745865382
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Windsor

May in Windsor, United Kingdom, marks a notable shift in humidity as it dips to 79%, offering a breath of fresh air compared to the preceding months. Following the winter months, where humidity hovered around 91% to 89%, and springtime's gradual decline, May presents a more comfortable atmosphere. This trend continues into June, where humidity slightly rises to 80%, but overall, the late spring season shows a welcome decrease, making it an enjoyable time for outdoor activities. As the year progresses, humidity begins to rise again in the warmer summer months, peaking at 71% in July before receding once more in the autumn. Thus, May serves as a transitional month, blending the crispness of spring with the warmth of early summer.

May Average Humidity in Windsor

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

As spring transitions into summer, May in Windsor marks a notable increase in the UV Index, reaching a high of 7, which indicates that sun exposure can become harmful quite quickly. This shift from the moderate levels observed in March and April (UV Index 4 and 5, respectively) emphasizes the need for heightened awareness of sun safety, as the recommended burn time decreases to just 25 minutes. As temperatures rise, ensuring proper protection against UV rays becomes paramount, especially with the UV Index climbing even higher in June. To stay informed about daily UV levels and protect your skin effectively, check out the latest updates at Windsor UV Index.

Maximum UV Index Levels in Windsor for May

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

May marks a vibrant turn in the seasonal sunshine of Windsor, UK, with 398 hours of glorious daylight, heralding the approach of summer. This month stands out as a significant increase from April's 319 hours, reinforcing the trend of expanding sunlight as the year progresses. Following May, June and July continue to bask in abundant sunshine, peaking at 404 hours in July, reflecting a delightful pattern that draws residents and tourists alike outdoors. As the days begin to shorten after summer, sunshine hours gradually taper off, dipping to 368 hours in August and further to 300 hours in September. Overall, the trajectory of sunlight in Windsor showcases a clear escalation towards the heart of summer, inviting all to embrace the sunny outdoors during these cheerful spring and summer months.

Monthly Sunshine Duration in Windsor: May Highlighted

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

Chance of Sun in Windsor During May

As spring transitions into summer, May in Windsor, United Kingdom, offers a promising 33% chance of sunny weather. While this figure reflects a decline from the 50% chance seen in April, it still stands out among the preceding months. Notably, the likelihood of sunny days has consistently improved from the depths of winter, starting at 20% in January and rising through March. Although June and July boast generally higher percentages, May remains a sweet spot, balancing blooming landscapes with moderate sunshine, making it a delightful time for outdoor activities. So, as you plan your month, expect an enticing mix of sunshine and clouds that captures the essence of late spring!

Percentage of Sunny Days in May in Windsor

The chart illustrates the percentage of sunny days in Windsor 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 Windsor experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec20%25%29%50%33%27%38%24%28%26%32%17%
Data source: Windsor May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Windsor in May

In Windsor, United Kingdom, daylight duration follows a remarkable trend as the year progresses. January kicks off with just 8 hours of sunlight, gradually increasing to 9 hours in February. As spring approaches, the days lengthen significantly, reaching 11 hours by March and 13 hours in April, signaling the vibrant awakening of nature. By May, residents enjoy a generous 15 hours of daylight, a joyful reminder of approaching summer. June and July peak with a delightful 16 hours of sunlight, creating the perfect backdrop for outdoor activities. As summer recedes, the daylight gently wanes, dropping to 14 hours in August and tapering off to 12 hours in September. The descent continues into autumn and winter, concluding the annual cycle with shorter days of 10 hours in October, down to 8 hours in November, and dwindling to just 7 hours by December. This captivating rhythm of daylight serves as a reflection of the changing seasons, influencing the daily lives of Windsor's residents.

Average Daylight Hours in Windsor for May

The chart illustrates the variation in daylight duration in Windsor throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 24m9h 58m11h 55m13h 54m15h 38m16h 32m16h 3m14h 30m12h 35m10h 36m8h 50m7h 53m
Data source: Windsor daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Windsor

In Windsor during May, the average wind speed holds steady at 4.3 m/s (10 mph), reflecting a consistency that mirrors the transitional spring weather of April. This continuity follows a slight uptick in February at 4.8 m/s (11 mph) and revisits the same brisk pace seen in the winter months, suggesting a refreshing breeze that can invigorate the landscapes and parks of this charming town. As the year progresses into summer, the winds gently mellow, dropping to 3.2 m/s (7 mph) in June and fluctuating before returning to a comparable speed in October. This trend highlights the distinct seasonal shifts in Windsor, where the vibrant energy of spring is momentarily tempered before the drier summer months settle in.

Average May Wind Speed in Windsor

The chart displays monthly wind speed patterns in Windsor, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.34.84.43.54.3 m/s3.23.33.83.34.43.94.5
Data source: Windsor May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Windsor Compares to Other Months

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

May and January present contrasting weather patterns. In May, temperatures range from a chilly minimum of 1°C (35°F) to a warm maximum of 26°C (78°F), with an average temperature of 13°C (55°F). The month sees an average of 63 mm (2.5 in) of precipitation over approximately 10 days, accompanied by a humidity level of 79%. In stark contrast, January experiences colder conditions, with temperatures ranging from a minimum of -5°C (23°F) to a maximum of 14°C (58°F), averaging at 5°C (41°F). This month has slightly less precipitation at 52 mm (2.1 in) over 9 days, yet the humidity is higher at 91%. For more detailed information, check out Windsor weather in January.

In comparing the weather of May and February, it’s clear that May offers significantly warmer temperatures, with averages reaching 13°C (55°F) compared to February's average of just 6°C (43°F). While both months experience precipitation on about 10 days, May tends to have slightly higher rainfall at 63 mm (2.5 in) versus February's 52 mm (2.0 in). Interestingly, February has a lower minimum temperature at -5°C (23°F), while May starts at a milder 1°C (35°F). Humidity levels are also higher in February at 89%, compared to 79% in May. For more specific details on February weather, you can check Windsor weather in February.

May generally presents milder and more comfortable weather conditions compared to March. While March can still experience chilly temperatures, with a minimum of -5°C (23°F) and an average of 7°C (46°F), May enjoys warmer temperatures ranging from a minimum of 1°C (35°F) to an average of 13°C (55°F), peaking at a maximum of 26°C (78°F). Additionally, May sees slightly more precipitation (63 mm) over fewer days (10) compared to March's 55 mm over 13 days, although humidity remains high in both months, with March at 86% and May at 79%. For more details on March weather, you can visit Windsor weather in March.

In comparing the weather between April and May, May generally exhibits milder temperatures, with a minimum of 1°C (35°F) and an average of 13°C (55°F), while April records a cooler minimum of -2°C (29°F) and an average of 10°C (49°F). Both months can reach similar maximum temperatures, with May peaking at 26°C (78°F) and April also hitting 26°C (80°F). However, May is wetter, receiving 63 mm (2.5 in) of precipitation over 10 days, compared to April’s 33 mm (1.3 in) over 8 days. Humidity levels are slightly lower in May at 79%, compared to April's 85%. For more details on April weather specifics, visit Windsor weather in April.

May and June demonstrate a noticeable shift in weather patterns. In May, temperatures range from a chilly minimum of 1°C (35°F) to a comfortable maximum of 26°C (78°F), with an average temperature of 13°C (55°F). The month experiences about 63 mm (2.5 in) of precipitation over 10 days, coupled with a humidity level of 79%. In contrast, June brings warmer conditions, with minimum temperatures rising to 7°C (45°F) and maximums peaking at 31°C (88°F), averaging 16°C (62°F). Although June sees a slight increase in precipitation to 74 mm (2.9 in) over just 9 days and a humidity level of 80%, the overall warmth makes it feel more pleasant. To learn more about June weather specifics, visit Windsor weather in June.

May and July present two distinct weather profiles. In May, temperatures range from a chilly minimum of 1°C (35°F) to a comfortable maximum of 26°C (78°F), with an average of 13°C (55°F). The month sees around 63 mm (2.5 in) of precipitation over approximately 10 days, accompanied by a high humidity level of 79%. In contrast, July features much warmer conditions, with temperatures starting at a minimum of 9°C (48°F) and soaring to a maximum of 35°C (96°F), averaging 18°C (65°F). Although July experiences slightly more rainfall at 64 mm (2.5 in) over 11 days, the humidity is lower at 71%. For a more detailed overview, check out Windsor weather in July.

May and August offer distinct weather experiences, reflecting the transition from spring to summer. In May, temperatures range from a chilly 1°C (35°F) at night to a pleasant average of 13°C (55°F) during the day, peaking at a comfortable 26°C (78°F). While May sees a decent amount of rainfall, with 63 mm (2.5 in) spread over about 10 days, humidity levels are reasonably high at 79%.

In contrast, August tends to be warmer, with minimums of 8°C (46°F) and an average of 18°C (64°F), reaching highs of 33°C (92°F). The precipitation in August is slightly higher at 67 mm (2.6 in), occurring over a couple more days (12 days), but the humidity drops slightly to 76%.

For a more detailed look at August’s weather, you can visit Windsor weather in August.

In May, temperatures range from a chilly minimum of 1°C (35°F) to a pleasant maximum of 26°C (78°F), with an average of 13°C (55°F). The month experiences approximately 63 mm (2.5 in) of precipitation over about 10 days and maintains a humidity level of 79%. In contrast, September sees slightly warmer weather with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 28°C (83°F), averaging around 15°C (59°F). This month also has less precipitation, totaling about 45 mm (1.8 in) over the same 10 days, while humidity rises slightly to 82%. For more information on September weather in Windsor, check out Windsor weather in September.

May and October exhibit distinct weather patterns, reflecting the transition from spring to autumn. In May, temperatures range from a chilly 1°C (35°F) to a warm 26°C (78°F), with an average of 13°C (55°F). The month experiences about 63 mm (2.5 in) of precipitation over 10 days, accompanied by a humidity level of 79%. In contrast, October features slightly cooler temperatures, with a range from 1°C (34°F) to a maximum of 23°C (73°F) and an average temperature of 12°C (53°F). This month sees increased rainfall, totaling 86 mm (3.4 in) over 12 days, and higher humidity at 90%. For a detailed look at October weather, check out Windsor weather in October.

May and November present distinctly different weather conditions. In May, temperatures range from a minimum of 1°C (35°F) to a maximum of 26°C (78°F), with an average temperature of 13°C (55°F). The month sees about 63 mm (2.5 in) of precipitation over approximately 10 days, accompanied by a humidity level of 79%. In contrast, November features cooler temperatures, with a minimum of -2°C (29°F) and a maximum of 16°C (62°F), resulting in an average temperature of 8°C (47°F). Precipitation is slightly lower in November at 53 mm (2.1 in) over around 11 days, while the humidity rises to 92%. For more detailed information, you can check Windsor weather in November.

In May, temperatures range from a chilly 1°C (35°F) at night to a pleasant 26°C (78°F) during the day, with an average around 13°C (55°F). The month typically sees about 63 mm (2.5 in) of rainfall spread over 10 days, and humidity levels hover around 79%. In contrast, December brings colder temperatures, with nighttime lows of -4°C (24°F) and daytime highs averaging just 14°C (58°F), resulting in an average of 6°C (44°F). Rainfall increases to 82 mm (3.2 in) over 14 days, and humidity rises to 92%, making it feel significantly colder. For more specific details, check the Windsor weather in December.

Compare Windsor's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Windsor

As May unfolds in Windsor, the weather begins to warm up, setting itself apart from the preceding months. With warmer days and a pleasant average temperature hovering around 13°C, the city starts to shake off the chill of winter. While there's still an occasional rainy day—about 10 throughout the month—this precipitation provides a refreshing contrast to the blossoming flora. Humidity levels rise to a comfortable 79%, often creating an inviting atmosphere for outdoor activities. Overall, May serves as a beautiful transition into the summer months, marking a shift towards sunnier and more vibrant days. For more insights, visit Windsor Climate.