July Weather in Lewes, United Kingdom

Last updated: March 17, 2025

Experience the pleasant summer climate of Lewes, United Kingdom, in July, where temperatures soar with a maximum of 23°C (74°F) and an average of 17°C (63°F), providing a comfortable backdrop for outdoor activities. The minimum temperature dips to around 13°C (56°F), ensuring cool evenings after warm days. While July welcomes sunny spells, residents and visitors should be prepared for occasional rain, with precipitation amounting to 51 mm (2.0 in) over roughly 9 days of the month. The air remains humid at 76%, adding a refreshing touch to the vibrant summer atmosphere in this picturesque town.

July Temperature in Lewes

In July, Lewes, United Kingdom, embraces the warmth of summer, with temperatures demonstrating a notable rise compared to earlier months. The minimum temperature rests at a comfortable 13°C (56°F), while the average climbs to 17°C (63°F), peaking at a delightful 23°C (74°F). This consistent upward trend from June, with its milder average of 15°C (59°F), marks July as one of the peak moments for enjoying the outdoors. With these inviting temperatures, visitors can revel in the charm of Lewes, indulging in its picturesque landscapes and vibrant community events. As the month progresses, the pleasant warmth leaves behind the chill of spring, establishing a perfect backdrop for summer adventures.

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

The chart illustrates July 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.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

July Precipitation in Lewes

In July, Lewes experiences a moderate precipitation level of 51 mm (2.0 in), with rain typically falling over about 9 days. This marks a slight decrease compared to the wetter months of May (48 mm) and June (65 mm). Despite this reduction, July remains part of the summer season, where the amount of rainfall can fluctuate, often bringing welcome relief to warm days. This month serves as a precursor to the heavier rains that follow in August (74 mm), signaling a gradual transition towards the autumn months, where precipitation levels significantly rise again in October (133 mm) and November (119 mm). Overall, July’s weather continues the trend of variability seen throughout the first half of the year, balancing warmth with occasional showers.

July Precipitation Trends in Lewes

The chart displays monthly precipitation patterns in Lewes, with values for each month alongside July's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec798369304865517467133119149
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

July Humidity in Lewes

In Lewes, United Kingdom, July marks a noticeable dip in humidity, averaging 76%, making it one of the driest months of the year. Following a gradual decline from the wetter spring months, where humidity hovered around 85% in April and 82% in May, July ushers in a summer reprieve. This trend continues into August with humidity further decreasing to 73%. These summer months offer a refreshing contrast to the wetter winter season, which peaks in January and December at a high 91% humidity. As the year transitions, Lewes experiences a clear seasonal rhythm, with July standing out as a month of relative dryness amidst the generally humid climate.

July Average Humidity in Lewes

This chart illustrates the average monthly humidity levels in Lewes, with July's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how July's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%85%82%81%76%73%80%89%92%92%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Lewes

In July, Lewes, United Kingdom, experiences a UV Index of 8, indicating a very high exposure category, which is consistent with the intense sunshine typical of this summer month. With a burn time of just 15 minutes, caution is crucial as the sun's rays can quickly lead to skin damage. This peak UV level mirrors the trend noted in June, where the index also reached 8, making it essential for residents and visitors alike to stay sun-safe. As summer progresses, the UV Index begins to drop in August, settling back to a high category of 7, where the burn time extends to 25 minutes. For more detailed insights on UV levels throughout the year, visit Lewes UV Index.

Maximum UV Index Levels in Lewes for July

The chart shows the monthly maximum UV Index (UVI) for Lewes in July, 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 July 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.

July Sunshine in Lewes

In July, Lewes basks in a radiant glow, averaging an impressive 424 hours of sunshine, the peak of the year's brightness. This month not only showcases the culmination of the sunniest days but also reflects an upward trend that begins in the earlier months. After a steady climb from 99 hours in January, the sun’s presence intensifies significantly through spring and early summer. By July, the landscape flourishes under the warm embrace of sunlight, setting the stage for picturesque outdoor activities and vibrant community events. As the days begin to wane into late summer, July stands as a testament to nature’s generosity, providing both residents and visitors alike with unforgettable sun-soaked moments.

Monthly Sunshine Duration in Lewes: July Highlighted

The July sunshine duration represents the total number of hours Lewes experiences direct sunlight during the month of July, excluding cloudy or obstructed periods. This chart compares the sunshine duration of July with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec99h152h229h348h415h412h424h388h325h256h155h119h
Data source: Lewes July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Lewes During July

In Lewes, United Kingdom, July presents a favorable opportunity for sunshine, boasting a 42% chance of sunny weather. This rate is a slight improvement over the preceding months, where June dips to 32% and May offers a healthier 43%. As summer reaches its peak, July's likelihood of sun is on par with March, marking a significant contrast to the dreary winter months, which linger below 25%. Interestingly, while August may slightly trail at 39%, the overall trend indicates a welcoming embrace of sunnier days as the season unfolds, inviting both locals and visitors to revel in the charm of summer in Lewes.

Percentage of Sunny Days in July in Lewes

The chart illustrates the percentage of sunny days in Lewes throughout the year, with July 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 July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Lewes in July

In July, Lewes, United Kingdom, enjoys a delightful 15 hours of daylight, marking a slight dip from the peak of 16 hours in June. This reduction signals the beginning of summer's gentle transition towards autumn, with daylight hours gradually decreasing as the months progress. Following the vibrant daylight of May and June, July still offers ample time for outdoor activities and exploration, reflecting the region's charm during the warmest days of the year. As daylight hours gradually taper off into August and beyond, July captures the essence of summer, providing a perfect balance of bright evenings and milder nights.

Average Daylight Hours in Lewes for July

The chart illustrates the variation in daylight duration in Lewes throughout the year, with July 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.

July Winds in Lewes

In July, the average wind speed in Lewes, United Kingdom, registers at 5.4 m/s (12 mph), reflecting a gentle breeze that contrasts sharply with the winter months when winds peak at 7.9 m/s (18 mph) in January and October. This marks a noticeable dip from the 6.3 m/s (14 mph) experienced in August, suggesting a trend where summer months tend to feature milder winds, allowing for a more tranquil atmosphere. As the season transitions into fall, wind speeds start to rise again, indicating that Lewes experiences a shift in air dynamics as summer wanes.

Average July Wind Speed in Lewes

The chart displays monthly wind speed patterns in Lewes, with values for each month shown alongside July's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how July's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec7.98.16.95.97.14.55.4 m/s6.35.67.96.88.0
Data source: Lewes July wind data, generated using information from the Copernicus Climate Change Service.

How July 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 July'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.

In comparing the weather between July and January, it becomes clear that these two months offer stark contrasts. July boasts milder temperatures, with an average of 17°C (63°F) and a maximum of 23°C (74°F), making it a pleasant summer month. In contrast, January is much colder, with an average temperature of just 7°C (45°F) and a maximum of 12°C (55°F). Both months see rain, but January experiences a higher level of precipitation at 79 mm (3.1 in) over 12 days, compared to July’s 51 mm (2.0 in) over 9 days. Additionally, January has a notably higher humidity level at 91%, while July's humidity is at 76%. For more detailed information, check out Lewes weather in January.

July and February present starkly contrasting weather patterns. In July, temperatures range from a mild 13°C (56°F) to a comfortable max of 23°C (74°F), with average precipitation of 51 mm (2.0 in) over about 9 rainy days and a humidity level of 76%. In contrast, February brings much colder temperatures, with a minimum of -1°C (30°F) and a maximum of only 12°C (54°F). This month also sees higher precipitation, totaling 83 mm (3.3 in) spread over 14 days, accompanied by an even higher humidity of 89%. For more details on February weather, check out Lewes weather in February.

When comparing the weather in July and March, it's clear that July is significantly warmer and drier. In July, temperatures range from a minimum of 13°C (56°F) to a maximum of 23°C (74°F), with an average of 17°C (63°F) and only 51 mm of precipitation over about 9 days. This contrasts sharply with March, where temperatures are much cooler, displaying a range from -2°C (30°F) to 13°C (55°F) and an average of just 8°C (47°F). Moreover, March experiences more rainfall, totaling 69 mm over 14 days, and higher humidity at 86%. For a more detailed look at March's weather, visit Lewes weather in March.

In comparing the weather of July and April, it is evident that July enjoys significantly warmer temperatures, with averages reaching 17°C (63°F) and maximums of 23°C (74°F), while April’s cooler average of 9°C (49°F) peaks at just 15°C (60°F). Additionally, July experiences more rainfall, totaling 51 mm (2.0 in) over 9 days, compared to April's 30 mm (1.2 in) spread over 6 days. Humidity levels also differ, with July at 76% and April slightly higher at 85%, indicating a more humid atmosphere in early spring. For a detailed look at April's weather, you can explore Lewes weather in April.

July typically offers warmer temperatures compared to May, with average highs reaching 23°C (74°F) in July versus 19°C (66°F) in May. The minimum temperatures also reflect this trend, as July starts at a milder 13°C (56°F), while May begins at a cooler 5°C (42°F). Despite July's slightly higher precipitation of 51 mm (2.0 in) over 9 days, May isn't far behind with 48 mm (1.9 in) on the same number of days. Additionally, humidity levels are generally lower in July at 76%, compared to 82% in May. For more information, check out Lewes weather in May.

In comparing the weather between June and July, July generally sees slightly warmer temperatures, with an average of 17°C (63°F) compared to June's average of 15°C (59°F). While July's minimum temperature is 13°C (56°F) and its maximum reaches 23°C (74°F), June experiences cooler minimums at 10°C (51°F) and maximums of 21°C (71°F). Humidity levels are notably high in both months, but July is slightly drier, receiving 51 mm (2.0 in) of precipitation over 9 days, whereas June has 65 mm (2.6 in) over 8 days. For a deeper dive into June's weather specifics, check Lewes weather in June.

In July, the weather tends to be slightly cooler, with average temperatures ranging from a minimum of 13°C (56°F) to a maximum of 23°C (74°F), and a total precipitation of 51 mm (2.0 in) spread over 9 days. The humidity level hovers around 76%. In contrast, August sees a modest increase in temperatures, with an average of 18°C (64°F) and maximums reaching 25°C (77°F). However, the month is wetter, with 74 mm (2.9 in) of precipitation recorded over 12 days, and a slightly lower humidity of 73%. For more specific details, you can check Lewes weather in August.

In July, the weather tends to be warmer with average temperatures ranging from a low of 13°C (56°F) to a high of 23°C (74°F). The month receives about 51 mm (2.0 in) of precipitation over 9 days, with a humidity level of 76%. In contrast, September sees cooler temperatures, with a minimum of 10°C (50°F) and a maximum of 21°C (71°F), resulting in an average of 16°C (62°F). It experiences slightly more rain, totaling 67 mm (2.6 in) across 11 days, and the humidity rises to 80%. For more details on September weather, you can check Lewes weather in September.

In July, the weather is generally mild 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). The month receives about 51 mm (2.0 in) of precipitation over an average of 9 days, resulting in a relatively comfortable humidity level of 76%.

In contrast, October brings cooler temperatures, with a minimum of 6°C (43°F), an average of 14°C (58°F), and a maximum of 20°C (68°F). The month is much wetter, accumulating approximately 133 mm (5.2 in) of rain over 16 days, along with increased humidity at 89%. This shift to cooler and wetter weather can be explored further at Lewes weather in October.

July and November present stark contrasts in weather conditions. In July, temperatures average around 17°C (63°F), with daytime highs reaching up to 23°C (74°F) and relatively low humidity at 76%. Conversely, November sees much cooler temperatures, averaging only 11°C (51°F), with maximums of 16°C (61°F) and a significant increase in humidity, climbing to 92%. Precipitation also varies notably; July experiences 51 mm (2.0 in) over about 9 days, while November sees a substantial increase to 119 mm (4.7 in) across 16 days. For more detailed information, you can check Lewes weather in November.

When comparing the weather in July and December, it's clear that July is significantly warmer and drier. July sees temperatures ranging from a minimum of 13°C (56°F) to a maximum of 23°C (74°F), with an average of 17°C (63°F) and only about 51 mm (2.0 in) of precipitation across 9 days. In stark contrast, December is much colder, with temperatures ranging from a minimum of 2°C (35°F) to a maximum of 13°C (56°F), averaging 9°C (48°F). Additionally, December experiences a considerable increase in precipitation, totaling 149 mm (5.9 in) over 18 days, accompanied by higher humidity at 92%. For a more in-depth look, check out Lewes weather in December.

Compare Lewes's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Lewes

In July, Lewes embraces the warmth of summer with its pleasantly mild temperatures that set it apart from the chillier months of the year. With an average high of 17°C, this month showcases longer days filled with sunshine, even though occasional rain, totaling around 51 mm, may interrupt the dry spells. The humidity levels hover around 76%, adding a touch of tropical feel to the atmosphere. In contrast to the brisk temperatures of spring and the cold snaps of winter, July offers a balmy respite, inviting both locals and visitors to enjoy outdoor activities. For those looking to understand more about Lewes's ever-changing weather, delve deeper into the details by visiting Lewes Climate.