May Weather in Winchester, United Kingdom

Last updated: March 17, 2025

In Winchester, United Kingdom, May presents a delightful transition into spring, with temperatures ranging from a cool minimum of 1°C (33°F) to a warm maximum of 26°C (79°F). The average temperature settles at a comfortable 13°C (55°F), making it an inviting time for outdoor activities. However, the month also brings 81 mm (3.2 in) of rainfall across approximately 11 days, contributing to a humidity level of 79%. These dynamic weather patterns create a vibrant backdrop for experiencing the beauty of Winchester in full bloom.

May Temperature in Winchester

In May, Winchester begins to shake off the chill of winter, welcoming more temperate conditions that hint at summer's arrival. With a minimum temperature of 1°C (33°F) and an average of 13°C (55°F), residents can finally shed their heavy layers. The maximum temperature can reach a delightful 26°C (79°F), making it a perfect time for outdoor activities and enjoying the blossoming nature. Compared to the preceding months, May displays a remarkable upward trend, as temperatures steadily rise from the brisk early spring, offering a refreshing respite and inviting locals and visitors alike to revel in the beauty of the season.

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

The chart illustrates May temperature patterns in Winchester, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414346495561656359534644
Data source: Temperature data for Winchester 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 Winchester

May in Winchester brings a significant uptick in precipitation, with 80 mm (3.2 in) of rain typically falling across 11 days. This increase marks a transition from the milder, drier days of April, where only 38 mm was recorded. As spring reaches its peak, May often showcases robust rainfall, setting the stage for a lush landscape. Interestingly, the month stands out not only for its higher total precipitation but also for the number of wet days—a trend that continues into June. With its blend of showers, May encapsulates the essence of British spring, fostering vibrant growth before the summer months.

May Precipitation Trends in Winchester

The chart displays monthly precipitation patterns in Winchester, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5359683880896372481026693
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Winchester

As spring transitions into summer, May in Winchester, United Kingdom marks a notable dip in humidity, averaging around 79%—the lowest for the year so far. This decline reflects a gradual easing from the higher levels seen in the winter months, where humidity peaked at 91% in January. Following May, humidity levels see a slight rebound, with June coming in at 80%. The overall trend illustrates that while the air begins to feel more comfortable, the lingering effects of spring moisture remain present, paving the way for the drier summer months ahead. This seamless shift not only enhances outdoor activities but also indicates a seasonal transition that many residents eagerly anticipate.

May Average Humidity in Winchester

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

In May, Winchester, United Kingdom, experiences a notable rise in the UV Index, reaching a level of 7 which falls into the high exposure category. As the days get longer and the sun shines brighter, residents and visitors alike should be conscious of sun safety, with a burn time of just 25 minutes if unprotected. This increase is part of a broader trend observable in the spring months, where the UV Index climbs from a mild 4 in March to the high levels seen in both April and May. With June bringing even more intense sunlight at an 8, planning outdoor activities while considering sun protection becomes crucial. Stay informed and enjoy the vibrant spring days, but remember to safeguard your skin! For more details, check out the Winchester UV Index.

Maximum UV Index Levels in Winchester for May

The chart shows the monthly maximum UV Index (UVI) for Winchester 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.
JanFebMarAprMayJunJulAugSepOctNovDec124678876421
Data source: Winchester 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 Winchester

May is a vibrant month in Winchester, United Kingdom, where sunshine reaches an exhilarating peak of 395 hours. As spring unfolds, the sun-drenched days are a welcome contrast to the earlier months; January starts at a modest 100 hours, gradually climbing through February and March with 143 and 201 hours, respectively. April offers a delightful transition, bringing an impressive 323 hours of brightness. However, it is in May that the city truly basks in sunlight, setting the stage for the summer months ahead. While June and July maintain the sunny momentum with 386 and 402 hours, the subsequent months, August through October, show a gradual decline, reminding us that even the sun has its cycles. Overall, May stands out as a radiant highlight, heralding the joyful embrace of longer days and warmer weather.

Monthly Sunshine Duration in Winchester: May Highlighted

The May sunshine duration represents the total number of hours Winchester 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.
JanFebMarAprMayJunJulAugSepOctNovDec100h143h201h323h395h386h402h366h299h239h148h112h
Data source: Winchester May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Winchester During May

In Winchester, May offers a moderate 36% chance of sunny weather, which is a notable decline from the 55% experienced in April. This month marks a transition as spring gives way to early summer, yet the likelihood of sunshine takes a dip compared to the preceding month. The trend shows that while May is still brighter than some months like January and February—which hover around 22% to 24%—it falls short of the sunnier days seen in March, where the chance reaches 33%. As summer approaches, one might hope for more consistent sunny spells, but May in Winchester serves as a gentle reminder of the unpredictable British weather.

Percentage of Sunny Days in May in Winchester

The chart illustrates the percentage of sunny days in Winchester 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 Winchester experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec22%24%33%55%36%28%38%28%30%28%34%21%
Data source: Winchester May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Winchester in May

As May unfolds in Winchester, United Kingdom, residents and visitors are treated to an impressive 15 hours of daylight, a significant increase from the 13 hours in April. This gradual extension of daylight hours is part of a broader trend that sees daylight peaking in June at 16 hours, followed by a gentle tapering off in the summer months. The shifts from the stark 8 hours in January and November to the vibrant spring and summer months highlight the invigorating transition of the seasons, inviting everyone to relish the longer, brighter days. By embracing the growing daylight in May, the city showcases the lush beauty of spring, making it the perfect backdrop for outdoor activities and community gatherings.

Average Daylight Hours in Winchester for May

The chart illustrates the variation in daylight duration in Winchester throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 29m10h 1m11h 55m13h 51m15h 33m16h 26m15h 57m14h 26m12h 34m10h 38m8h 54m7h 59m
Data source: Winchester daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Winchester

In May, the winds in Winchester maintain a steady rhythm, with an average speed of 4.3 m/s (10 mph), mirroring the stability seen in both January and March. This gentle breeze adds a refreshing touch to the blossoming scenery, striking a balance after the decline to 3.4 m/s (8 mph) in April. As the year progresses, May's winds return to their earlier pace, suggesting a harmonious transition into summer. Interestingly, the wind speeds take a dip during the warmer months of June and July, falling below that of May, emphasizing the shift in seasonal dynamics. Overall, May stands out as a month where the winds invite outdoor activities, making it an opportune time for exploring Winchester's vibrant spring atmosphere.

Average May Wind Speed in Winchester

The chart displays monthly wind speed patterns in Winchester, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.34.94.33.44.3 m/s3.13.33.73.34.33.64.4
Data source: Winchester May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Winchester Compares to Other Months

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

May and January present contrasting weather experiences. In May, temperatures typically range from a chilly 1°C (33°F) to a pleasant 26°C (79°F), with an average of 13°C (55°F). This month sees an increase in rain, accumulating around 80 mm (3.2 in) over approximately 11 days, and a humidity level of 79%, creating a vibrant spring atmosphere. In stark contrast, January is significantly colder, with temperatures ranging from a low of -4°C (25°F) to a high of 14°C (57°F), averaging around 5°C (41°F). Precipitation is lower in January, with about 53 mm (2.1 in) of rain across 10 days, accompanied by higher humidity at 91%. For more detailed insights, you can visit Winchester weather in January.

When comparing the weather in May and February, there are notable differences in temperature and conditions. May tends to be much warmer, with average temperatures ranging from 1°C (33°F) to a maximum of 26°C (79°F), compared to February's cooler range of -9°C (15°F) to a maximum of 17°C (63°F). Precipitation levels are slightly higher in May at 80 mm (3.2 in), although both months experience rain on about 11 days. Additionally, humidity is a bit lower in May at 79%, whereas February has a higher humidity level of 89%. For a deeper dive into February weather specifics, check out Winchester weather in February.

The weather in May shows a notable warming trend compared to March, with average temperatures rising from 8°C (46°F) to 13°C (55°F). While March experiences colder nights with a minimum temperature of -6°C (21°F), May's temperatures remain more temperate, ranging from 1°C (33°F) at night to a high of 26°C (79°F) during the day. Precipitation is slightly higher in May at 80 mm (3.2 in) over 11 days, compared to March's 68 mm (2.7 in) over 13 days, indicating that while May might be wetter, the overall moisture distribution is less frequent. Humidity is also slightly lower in May at 79%, compared to the higher humidity of 86% experienced in March. For a more detailed look at March weather, you can visit Winchester weather in March.

In comparing the weather of April and May, May tends to be noticeably milder with average temperatures rising to 13°C (55°F) compared to April's 10°C (49°F). While both months experience a range in temperatures, May boasts higher maximums, reaching up to 26°C (79°F) versus April's peak of 25°C (77°F). Precipitation in May is higher, totaling 80 mm over 11 days, in contrast to April's 38 mm across 8 days. Additionally, May's humidity is slightly lower at 79%, compared to April's 85%. For more detailed insights about April weather, you can visit Winchester weather in April.

May and June present a noticeable transition in weather patterns. In May, temperatures range from a cool 1°C (33°F) at night to a pleasant 26°C (79°F) during the day, with an average temperature of 13°C (55°F). The month receives about 80 mm (3.2 in) of precipitation over 11 days and maintains a relatively high humidity level of 79%. By contrast, June sees a rise in temperatures, with a minimum of 6°C (44°F), an average of 16°C (61°F), and a maximum of 31°C (88°F). While rainfall slightly increases to 89 mm (3.5 in) over 10 days, the humidity remains comparable at 80%. This shift marks the onset of warmer weather and can be explored further in detail here: Winchester weather in June.

In comparing the weather between May and July, we see a distinct shift in temperature and humidity. May experiences cooler temperatures, with a minimum of 1°C (33°F) and an average of 13°C (55°F), while July warms up significantly, featuring a minimum of 7°C (46°F) and an average of 18°C (65°F). The maximum temperature in July can reach up to 32°C (91°F), making it a much warmer month compared to May, where the maximum settles at 26°C (79°F). Additionally, while May has a higher average precipitation of 80 mm (3.2 in) over 11 days, July sees slightly less rain at 63 mm (2.5 in) across the same number of days. Humidity levels also drop from 79% in May to 71% in July, contributing to the overall warmer and drier feel of July. For more detailed information, you can check Winchester weather in July.

May and August exhibit distinct weather patterns, showcasing the transition from early spring to late summer. In May, temperatures range from a chilly 1°C (33°F) at night to a comfortable 26°C (79°F) during the day, with an average of 13°C (55°F). The month sees significant rainfall, totaling 80 mm (3.2 in) over 11 days, contributing to a high humidity level of 79%.

In contrast, August boasts milder nighttime temperatures with a minimum of 7°C (45°F) and can reach highs of 32°C (90°F), leading to a warmer average of 17°C (63°F). Although it is generally drier with 72 mm (2.8 in) of precipitation over 13 days, the humidity slightly decreases to 76%. For a more detailed look at the weather conditions, you can visit Winchester weather in August.

When comparing the weather in May and September, we see that both months exhibit mild temperatures but with some key differences. In May, temperatures range from a chilly 1°C (33°F) at night to a warm 26°C (79°F) during the day, with an average of 13°C (55°F). This month experiences 80 mm (3.2 in) of rainfall over about 11 days, contributing to a humidity level of 79%.

Conversely, September offers slightly warmer conditions with minimum temperatures at 2°C (36°F) and a maximum of 28°C (82°F), averaging 15°C (59°F). Rainfall is reduced to 48 mm (1.9 in) over 9 days, and humidity rises slightly to 82%.

For more detailed information on the weather patterns you can expect in September, check out Winchester weather in September.

In May, temperatures in Winchester range from a cool minimum of 1°C (33°F) to a warm maximum of 26°C (79°F), with an average of 13°C (55°F). The month sees about 80 mm (3.2 in) of precipitation over 11 days, accompanied by a relatively high humidity level of 79%.

In contrast, October experiences slightly colder conditions, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 21°C (71°F), resulting in an average of 12°C (53°F). Rainfall increases to 102 mm (4.0 in) over 13 days, and humidity also rises to 90%. For a more detailed look at the October climate, visit Winchester weather in October.

May and November exhibit notably different weather conditions. In May, temperatures range from a minimum of 1°C (33°F) to a pleasant average of 13°C (55°F), peaking at a maximum of 26°C (79°F). This month experiences a total precipitation of 80 mm (3.2 in) over 11 days, coupled with a relatively high humidity of 79%. In contrast, November presents a cooler climate, with temperatures dipping to a minimum of -3°C (28°F) and only reaching an average of 8°C (47°F) and a maximum of 16°C (61°F). The month also sees a lower total precipitation of 66 mm (2.6 in) across the same number of days, but humidity rises to 92%. For more detailed information, check out Winchester weather in November.

In May, Winchester experiences a milder climate with temperatures ranging from a minimum of 1°C (33°F) to a maximum of 26°C (79°F), averaging around 13°C (55°F). The month sees approximately 80 mm (3.2 in) of precipitation over 11 days, accompanied by a humidity level of 79%. In contrast, December brings colder temperatures, with a minimum of -3°C (27°F) and an average of 7°C (44°F), peaking at 15°C (59°F). The precipitation increases slightly to about 93 mm (3.6 in) over 14 days, while humidity rises to 92%. For more details on December weather, you can visit Winchester weather in December.

Compare Winchester's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Winchester

As May unfolds in Winchester, the weather marks a delightful transition from the lingering chill of early spring to warmer, sunnier days. With temperatures reaching a pleasant peak, the average warmth invites residents and visitors alike to enjoy outdoor activities. However, May is also characterized by its fair share of rain, contributing to the lush greenery that adorns the landscape, making it distinct from the drier summer months ahead. The humidity level remains relatively high, adding a touch of richness to the air, unlike the crispness typical of the preceding months. Overall, May in Winchester offers a unique blend of warmth and moisture, setting the stage for the vibrant summer to come. For more detailed insights, check out Winchester Climate.