May Weather in Lewes, United Kingdom

Last updated: March 17, 2025

May in Lewes, United Kingdom offers a delightful blend of temperate weather and moderate rainfall. With a maximum temperature peaking at 19°C (66°F) and an average of 12°C (54°F), the month invites residents and visitors alike to enjoy the invigorating spring air. However, be prepared for a bit of rain, as 48 mm (1.9 in) of precipitation falls across approximately 9 days, contributing to a relatively high humidity level of 82%. This unique combination of warmth and moisture creates a lush landscape, making May an ideal time for exploring the scenic charm of this historic town.

May Temperature in Lewes

As May unfolds in Lewes, United Kingdom, temperatures begin to noticeably warm, marking a delightful transition into spring. With a minimum of 5°C (42°F) and a comfortable average of 12°C (54°F), residents can enjoy the outdoors without the chill of winter. The maximum temperatures reach a pleasant 19°C (66°F), hinting at the sunny days that lie ahead in June. This month stands in stark contrast to the preceding months, where lows dipped below freezing, gradually encouraging the vibrant return of greenery and outdoor activities. As the warmth envelops Lewes, the community embraces the longer days, making it a perfect time for leisurely strolls and seasonal festivities.

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

The chart illustrates May temperature patterns in Lewes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec454546485359636461575148
Data source: Temperature data for Lewes 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 Lewes

In May, Lewes experiences a moderate precipitation level of 48 mm (1.9 in), occurring over an average of 9 days. This marks a notable increase from the previous month, where April recorded a much lighter 30 mm (1.2 in) across just 6 days. As spring transitions into summer, the frequency and volume of rainfall in May indicate a shift towards more variable weather patterns typical of the season. Compared to the heavier rains in the latter months of the year, such as October with 133 mm (5.2 in), May’s precipitation is relatively mild, providing a refreshing balance to the emerging greenery without overwhelming the blossoming landscape. Overall, the precipitation in May plays a crucial role in nurturing the thriving flora while maintaining a pleasant spring atmosphere.

May Precipitation Trends in Lewes

The chart displays monthly precipitation patterns in Lewes, 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.
JanFebMarAprMayJunJulAugSepOctNovDec798369304865517467133119149
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Lewes

As spring transitions into summer, May in Lewes experiences a noticeable shift in humidity, dipping to 82% from the higher percentages seen in the earlier months. This slight decline reflects a gradual decrease that began in April, setting the stage for the warmer, sunnier days ahead. While humidity levels remain relatively high compared to the later summer months, such as July and August, the change in May signifies a shift in the atmosphere, fostering a sense of freshness and vitality in the coastal town. As the year progresses, Lewes will continue to enjoy lower humidity levels, making for more comfortable outdoor experiences.

May Average Humidity in Lewes

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

As May arrives in Lewes, the UV Index shoots up to 7, indicating a high exposure category and a burn time of just 25 minutes. This marks a noticeable rise from April's 6 and emphasizes the shifting trends in sun intensity as spring transitions to summer. With moderate indices in the earlier months and a further increase leading into June, it's essential for residents and visitors to be vigilant about sun protection this month. Remember to check the daily forecasts and take precautions to avoid prolonged sun exposure. For more detailed information, visit Lewes UV Index.

Maximum UV Index Levels in Lewes for May

The chart shows the monthly maximum UV Index (UVI) for Lewes 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.
JanFebMarAprMayJunJulAugSepOctNovDec224678876421
Data source: Lewes 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 Lewes

In May, Lewes basks in an impressive 415 hours of sunshine, marking a peak in the region’s radiant spring weather. Following the gradual increase from 99 hours in January to 348 hours in April, this month not only continues the upward trend but also sets the stage for the summer months ahead. June and July also demonstrate this sunny potential, with hours slightly tapering off to 412 and 424 respectively, yet still maintaining a delightful brightness. As August rolls in, the sunshine slightly diminishes to 388 hours, followed by a steady decline into the autumn months. This clear trajectory of sunshine illustrates how May emerges as a pivotal moment for warmth and outdoor enjoyment in Lewes, blending perfectly into the summer's embrace before the days shorten again.

Monthly Sunshine Duration in Lewes: May Highlighted

The May sunshine duration represents the total number of hours Lewes 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.
JanFebMarAprMayJunJulAugSepOctNovDec99h152h229h348h415h412h424h388h325h256h155h119h
Data source: Lewes May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Lewes During May

In May, the likelihood of sunny weather in Lewes, United Kingdom, stands at a solid 43%, making it one of the brighter months of the year. Following a notable increase from just 21% in January to 59% in April, May sees a slight dip but remains favorable for outdoor activities. This trend reflects a general warming pattern as spring unfolds, with the chance of sunshine peaking in April before stabilizing in May. As summer approaches, while the probability of sunshine decreases in June to 32%, the pleasant weather of May often provides an excellent opportunity to enjoy the beauty of Lewes before the more inconsistent summer weather sets in.

Percentage of Sunny Days in May in Lewes

The chart illustrates the percentage of sunny days in Lewes 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 Lewes experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec21%25%42%59%43%32%42%39%38%31%36%21%
Data source: Lewes May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Lewes in May

As spring gracefully transitions into summer, May in Lewes, United Kingdom brings a delightful surge in daylight, with a generous 15 hours of sunshine illuminating the days. This increase reflects a broader trend: daylight duration rises steadily from a modest 8 hours in January to its peak in June's 16 hours. Following May, the daylight begins to recede slightly, signaling the gradual approach of autumn. The month of May stands out as a vibrant time, offering longer days perfect for outdoor activities, blossoming nature, and a sense of renewal as the daylight hours become increasingly cherished.

Average Daylight Hours in Lewes for May

The chart illustrates the variation in daylight duration in Lewes throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 30m10h 1m11h 55m13h 51m15h 32m16h 24m15h 56m14h 26m12h 34m10h 39m8h 56m8h 1m
Data source: Lewes daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Lewes

In May, Lewes experiences an average wind speed of 7.1 m/s (16 mph), making it a delightful time to enjoy the outdoors. As the spring season unfolds, the winds begin to pick up slightly from the gentler breezes of April, which average just 5.9 m/s (13 mph). This upward trend in wind speed continues as the region transitions into the peak summer months, with June seeing a notable drop to 4.5 m/s (10 mph)—the calmest of the year. Overall, while May retains a moderate windiness that enchants local adventurers and outdoor enthusiasts alike, it paves the way for a summer that offers a mix of light breezes and stronger gusts in the months ahead.

Average May Wind Speed in Lewes

The chart displays monthly wind speed patterns in Lewes, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7.98.16.95.97.1 m/s4.55.46.35.67.96.88.0
Data source: Lewes May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Lewes Compares to Other Months

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

May and January present starkly different weather conditions. In May, temperatures range from a low of 5°C (42°F) to a pleasant average of 12°C (54°F), peaking at a comfortable 19°C (66°F), with 48 mm (1.9 in) of precipitation over about 9 days. The humidity is fairly high at 82%, contributing to a fresh spring atmosphere. In contrast, January's chill is marked by lower temperatures, with a minimum of 1°C (34°F) and an average of just 7°C (45°F), only reaching up to 12°C (55°F). The month sees more rain, totaling 79 mm (3.1 in) over 12 days, alongside a higher humidity of 91%, which can make the cold feel more penetrating. For a detailed look at January weather, visit Lewes weather in January.

May typically brings milder temperatures and more pleasant weather compared to February, with minimums of 5°C (42°F) and maximums reaching 19°C (66°F) on average. In contrast, February sees colder temperatures, with minimums dipping to -1°C (30°F) and a maximum of only 12°C (54°F). Precipitation is also higher in February, with 83 mm (3.3 in) falling over 14 days, compared to May’s 48 mm (1.9 in) over 9 days. Additionally, humidity levels are slightly higher in February at 89%, compared to May's 82%. For more details, check out Lewes weather in February.

In comparing the weather between March and May, we see a noticeable shift towards warmer and drier conditions. In March, temperatures range from a minimum of -2°C (30°F) to a maximum of 13°C (55°F), with an average of 8°C (47°F). In contrast, May offers milder temperatures, with a minimum of 5°C (42°F) and a maximum of 19°C (66°F), leading to a more pleasant average of 12°C (54°F).

While March experiences higher rainfall, totaling 69 mm (2.7 in) over 14 days, May sees a decrease in both precipitation and rainy days, with 48 mm (1.9 in) falling across just 9 days. Humidity is somewhat consistent, with March at 86% and May slightly lower at 82%. For a detailed look at March's weather conditions, you can check Lewes weather in March.

The weather in May is generally milder than in April, with average temperatures rising from 9°C (49°F) in April to 12°C (54°F) in May. While both months experience a fair amount of humidity, May's level is slightly lower at 82% compared to April's 85%. Precipitation also increases in May, totaling 48 mm (1.9 in) over 9 days, in contrast to April's 30 mm (1.2 in) over just 6 days. To learn more about April's conditions, you can visit Lewes weather in April.

May and June exhibit noticeable differences in weather patterns. In May, temperatures range from a minimum of 5°C (42°F) to a maximum of 19°C (66°F), with an average of 12°C (54°F). The month experiences approximately 48 mm (1.9 in) of precipitation across 9 days, coupled with a humidity level of 82%. In contrast, June sees a warmer climate with temperatures ranging from 10°C (51°F) at night to a comfortable 21°C (71°F) during the day, averaging 15°C (59°F). Rainfall increases to 65 mm (2.6 in) but occurs over just 8 days, maintaining a slightly lower humidity of 81%. For a closer look at the weather specifics, check Lewes weather in June.

May and July present quite different weather patterns. In May, temperatures range from a chilly minimum of 5°C (42°F) to a maximum of 19°C (66°F), with an average temperature of 12°C (54°F). The month experiences about 48 mm (1.9 in) of precipitation over 9 days, coupled with relatively high humidity at 82%. In contrast, July offers a warmer climate, with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 23°C (74°F), and an average of 17°C (63°F). While July sees slightly more precipitation at 51 mm (2.0 in) over the same number of rainy days, the humidity is lower at 76%. For more detailed insights into July weather specifically, you can visit Lewes weather in July.

May and August present contrasting weather conditions. In May, temperatures range from a cool minimum of 5°C (42°F) to a pleasant maximum of 19°C (66°F), with an average of 12°C (54°F). The month experiences around 48 mm (1.9 in) of precipitation spread over 9 days, contributing to a relatively high humidity of 82%. In contrast, August sees warmer temperatures, with a minimum of 12°C (54°F), an average of 18°C (64°F), and a maximum of 25°C (77°F). However, this month also brings increased rainfall totaling 74 mm (2.9 in), falling on 12 days and resulting in a lower humidity level of 73%. For more insights, check out Lewes weather in August.

May and September present distinct weather patterns, showcasing a shift from the refreshing spring to the beginning of autumn. In May, temperatures range from a minimum of 5°C (42°F) to a maximum of 19°C (66°F), with an average of 12°C (54°F). The month sees about 48 mm (1.9 in) of precipitation over 9 days, accompanied by a high humidity level of 82%. In contrast, September experiences milder temperatures, with a minimum of 10°C (50°F) and a maximum of 21°C (71°F), leading to a higher average of 16°C (62°F). However, it sees slightly more rain, totaling 67 mm (2.6 in) over 11 days, and a lower humidity of 80%. For a closer look at September weather, you can check Lewes weather in September.

When comparing the weather in May and October, we see distinct differences. May typically features milder temperatures, with averages around 12°C (54°F) and maximums reaching up to 19°C (66°F), while October experiences slightly warmer averages of 14°C (58°F) and highs of 20°C (68°F). However, October is notably wetter, with a significant increase in rainfall at 133 mm (5.2 in) over 16 days, compared to May's 48 mm (1.9 in) over just 9 days. Additionally, October has a higher humidity level of 89%, compared to May's 82%. For a closer look at October's conditions, you can visit Lewes weather in October.

When comparing weather in May and November, you can notice distinct differences in temperature and precipitation. May typically sees a minimum temperature of 5°C (42°F) and an average of 12°C (54°F), with a maximum of 19°C (66°F), creating a mild and pleasant atmosphere. In contrast, November experiences slightly cooler temperatures, with a minimum of 3°C (37°F) and an average of 11°C (51°F), peaking at a maximum of 16°C (61°F). Additionally, November is notably wetter, receiving 119 mm (4.7 in) of precipitation over 16 days, compared to May's 48 mm (1.9 in) over just 9 days. The humidity in November, at 92%, is also higher than in May, which stands at 82%. For more detailed insights, you can check Lewes weather in November.

May and December present contrasting weather experiences. In May, temperatures range from a minimum of 5°C (42°F) to a pleasant maximum of 19°C (66°F), with an average of 12°C (54°F). The month sees moderate precipitation of 48 mm (1.9 in) across about 9 rainy days, coupled with a relatively comfortable humidity level of 82%.

In stark contrast, December's climate is cooler, with temperatures dipping from a minimum of 2°C (35°F) to a maximum of 13°C (56°F), averaging 9°C (48°F). This month is also significantly wetter, receiving 149 mm (5.9 in) of precipitation over 18 days and experiencing higher humidity at 92%. For more detailed insights, you can check Lewes weather in December.

Compare Lewes's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Lewes

As May unfolds in Lewes, the weather begins to transition, offering a delightful mix of warmth and humidity that distinguishes it from the cooler months. With average temperatures hovering around a pleasant 12°C, residents can expect more sunny days interspersed with occasional rain, totaling about nine days of precipitation. This month typically heralds a shift in the air, as the humidity rises to 82%, adding a refreshing feeling to the atmosphere. For a comprehensive look at how these changing patterns fit into the broader climate trends, visit Lewes Climate.