August Weather in Lewes, United Kingdom

Last updated: March 17, 2025

August in Lewes, United Kingdom offers a delightful but variable climate, with average temperatures hovering around 18°C (64°F). The month enjoys a maximum of 25°C (77°F), perfect for summer outings, while cooler nights bring temperatures down to a minimum of 12°C (54°F). The weather is quite humid, with an average humidity level of 73%, contributing to a lush landscape. However, visitors should be prepared for some rain, as August sees about 74 mm (2.9 in) of precipitation over 12 days. Embrace the charm of Lewes in summer, where sunshine and showers coexist beautifully!

August Temperature in Lewes

In August, Lewes, United Kingdom, basks in the warmth of summer with temperatures that exhibit a delightful rise. With a minimum of 12°C (54°F) and peaking at a maximum of 25°C (77°F), the average temperature settles comfortably at 18°C (64°F), marking one of the warmest months of the year. This trend, seen in the gradual increase from May through July, reflects a consistent climb that invites outdoor exploration and festivities. As summer gives way to autumn, the inviting warmth of August serves as the grand finale of the season, perfect for enjoying the charming landscapes and vibrant local culture that Lewes has to offer.

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

The chart illustrates August 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.

August Precipitation in Lewes

In August, Lewes experiences a notable precipitation amount of 74 mm (2.9 in), with rainfall spread across approximately 12 days. This marks a slight increase from July's total of 51 mm (2.0 in), hinting at a transition into the wetter autumn months ahead. Compared to the drier spring months like April and May, where precipitation amounts dipped as low as 30 mm (1.2 in), August's rainfall reaffirms the coastal town's variable climate. As summer wanes, the skies often provide a mix of sun and rain, setting the stage for the significantly wetter period to come in October, which typically welcomes much heavier downpours. Overall, August serves as a bridge between the gentle summer showers and the robust rainfall characteristic of the approaching fall season.

August Precipitation Trends in Lewes

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

August Humidity in Lewes

In August, humid conditions in Lewes, United Kingdom, reach a relatively comfortable 73%, marking the lowest humidity level of the year. This gradual decline from January's peak of 91% illustrates a notable shift, as the summer months lead to more moderate humidity levels compared to the dampness experienced in winter. Following a peak in July at 76%, August offers a welcome respite before humidity begins to rise again in September, reaching 80%. This trend highlights how Lewes transitions from the heavy, moisture-laden atmosphere of the colder months to the more temperate conditions of summer, ultimately creating a more pleasant outdoor environment for residents and visitors alike.

August Average Humidity in Lewes

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

August UV Index in Lewes

In August, Lewes experiences a UV Index of 7, categorized as high, which means that while the sun's rays can be intense, there is still time to enjoy outdoor activities with a burn time of 25 minutes before needing protective measures. This is a slight decrease from the peak UV Index of 8 observed in the previous two months, July and June, both classified as very high exposure periods, demanding more caution. As summer unfolds, residents and visitors should be mindful of sun safety practices, especially considering the gradual decline in UV levels heading into September. For more detailed information on UV trends in Lewes, visit Lewes UV Index.

Maximum UV Index Levels in Lewes for August

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

August Sunshine in Lewes

In August, Lewes, United Kingdom, basks in a delightful 388 hours of sunshine, making it one of the sunniest months of the year. While it experiences a slight dip from the peak of July's 424 hours, August still offers plenty of bright days to enjoy the coastal scenery and outdoor activities. This month stands out in contrast to the earlier winter months, where sunlight hours hover below 100, gradually increasing through spring. The trend clearly shows that as summer unfolds, the sun graces the charming town more generously, peaking in the mid-summer months before tapering off into the softer light of autumn. Thus, August serves as a perfect bridge, inviting both locals and visitors to revel in the tail end of summer's warmth.

Monthly Sunshine Duration in Lewes: August Highlighted

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

Chance of Sun in Lewes During August

In August, Lewes experiences a 39% chance of sunny weather, placing it in the mid-range of the yearly sunshine likelihood. While this is a slight decline from the 59% peak in April, it remains more favorable than the months that precede and follow it, such as July and September, both hovering around 42% and 38%, respectively. This trend indicates that even as the summer wanes, there is still a decent opportunity to enjoy the sun, making August a promising time for outdoor activities in this picturesque coastal town. As the season shifts towards autumn, locals and visitors alike can cherish these fleeting sunny days amid the traditional English weather.

Percentage of Sunny Days in August in Lewes

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

Daylight Hours in Lewes in August

In August, Lewes enjoys a delightful 14 hours of daylight, marking a gradual decline from the sun-soaked heights of June, which boasts an impressive 16 hours. This month reflects the gentle transition from summer's peak towards the cozy embrace of autumn, as daylight hours begin to shorten. The pattern is clear: from the crisp 8 hours in January, daylight steadily increases to a summer maximum before tapering off again, hitting 12 hours in September. As you savor the lingering light of August evenings, it's a reminder of the seasonal shifts that shape daily life in this charming corner of the UK.

Average Daylight Hours in Lewes for August

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

August Winds in Lewes

In August, Lewes experiences a gentle shift in wind speed, averaging 6.3 m/s (14 mph), a welcome reprieve from the stronger winds that characterize the earlier months. As summer peaks, the breezes are softer than the gusty spring, with June and July showcasing the lightest winds of the year. This transition highlights a trend of increasing wind speeds from winter through spring, peaking in October before dipping again in the closing months. With August’s moderate winds, outdoor activities and seaside strolls thrive, providing the perfect balance of warmth and fresh air before the autumn chill sets in.

Average August Wind Speed in Lewes

The chart displays monthly wind speed patterns in Lewes, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec7.98.16.95.97.14.55.46.3 m/s5.67.96.88.0
Data source: Lewes August wind data, generated using information from the Copernicus Climate Change Service.

How August 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 August'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.

August and January present contrasting weather conditions. In August, temperatures range from a minimum of 12°C (54°F) to a maximum of 25°C (77°F), with an average of 18°C (64°F). The month sees around 74 mm (2.9 in) of precipitation over 12 days, and humidity levels are relatively high at 73%. In stark contrast, January features much cooler temperatures, with a minimum of 1°C (34°F) and a maximum of 12°C (55°F), averaging just 7°C (45°F). Although precipitation is slightly higher at 79 mm (3.1 in) over the same 12 days, the humidity is notably more intense at 91%. For more detailed insights, check Lewes weather in January.

When comparing the weather in August and February, it is clear that the two months present contrasting conditions. In August, temperatures are generally more pleasant, with minimums of 12°C (54°F) and maximums reaching up to 25°C (77°F), alongside an average temperature of 18°C (64°F). The month experiences 74 mm (2.9 in) of precipitation spread over about 12 days, while humidity hovers around 73%. In stark contrast, February is characterized by colder temperatures, with a minimum of -1°C (30°F) and a maximum of just 12°C (54°F), yielding a much lower average of 7°C (45°F). February also sees slightly more precipitation at 83 mm (3.3 in) across approximately 14 days, coupled with higher humidity at 89%. For a more detailed insight into Lewes weather during February, you can check Lewes weather in February.

In comparing the weather between August and March, there's a notable contrast in temperature and humidity levels. August enjoys milder temperatures, with averages reaching 18°C (64°F) and a maximum of 25°C (77°F), while March experiences much cooler conditions, with an average of just 8°C (47°F) and a peak of 13°C (55°F). Both months see similar precipitation levels; however, August has slightly more rain (74 mm) compared to March (69 mm), and precipitation occurs over fewer days in August (12 days) than in March (14 days). Additionally, March has a higher humidity level at 86%, compared to August's 73%. For more specific details on March weather, you can visit Lewes weather in March.

Comparing the weather in August and April reveals notable differences in temperature and precipitation. In August, temperatures are significantly warmer, with a minimum of 12°C (54°F) and an average of 18°C (64°F), peaking at 25°C (77°F). In contrast, April sees cooler temperatures, ranging from a minimum of 2°C (36°F) to a maximum of 15°C (60°F), with an average of only 9°C (49°F).

Precipitation also varies between the two months, as August experiences more rain, totaling 74 mm (2.9 in) over 12 days, while April has a lighter precipitation of 30 mm (1.2 in) across just 6 days. Additionally, April has a higher humidity level at 85%, compared to August's 73%, contributing to a different overall feel in the air. For more specific details on April weather, check out Lewes weather in April.

Comparing the weather between August and May reveals notable differences in temperature and humidity. August enjoys warmer temperatures, with a minimum of 12°C (54°F) and an average of 18°C (64°F), reaching up to a maximum of 25°C (77°F). In contrast, May experiences cooler conditions, starting from a minimum of 5°C (42°F) and averaging 12°C (54°F), peaking at 19°C (66°F). Additionally, August sees more precipitation, totaling 74 mm (2.9 in) over 12 days, while May has 48 mm (1.9 in) spread across 9 days, although it has slightly higher humidity at 82% compared to August's 73%. For more details, check out Lewes weather in May.

August and June exhibit notable differences in weather patterns. August tends to be warmer, with average temperatures reaching 18°C (64°F) compared to June's 15°C (59°F). The maximum temperatures in August can climb to 25°C (77°F), while June peaks at 21°C (71°F). However, June is slightly wetter with 65 mm (2.6 in) of precipitation over 8 days, compared to August’s 74 mm (2.9 in) spread over 12 days. Additionally, humidity levels are higher in June at 81%, compared to 73% in August, giving June a more muggy feel. For more detailed information about June weather in Lewes, check out this link: Lewes weather in June.

In comparing the weather between August and July, August tends to be slightly warmer, with average temperatures reaching 18°C (64°F) compared to July's 17°C (63°F). The maximum temperature in August can reach up to 25°C (77°F), making it feel more summery than July, which peaks at 23°C (74°F). However, August also brings more precipitation, totaling 74 mm (2.9 in) over 12 days, whereas July experiences less rain at 51 mm (2.0 in) across just 9 days. Humidity levels are quite similar, with August at 73% and July slightly higher at 76%. For more detailed insights into July's weather, you can check this link: Lewes weather in July.

August generally offers warmer temperatures with a minimum of 12°C and an average high of 25°C, while September cools down slightly, featuring a minimum of 10°C and a maximum of 21°C. Precipitation is slightly lower in September at 67 mm over 11 days compared to August's 74 mm over 12 days. Interestingly, September experiences higher humidity levels at 80%, compared to August's 73%, which can make the cooler temperatures feel more pronounced. For more details on September's weather, you can check out Lewes weather in September.

August and October exhibit distinct weather patterns that reflect the transition from summer to autumn. In August, temperatures range from a minimum of 12°C (54°F) to a maximum of 25°C (77°F), with a comfortable average of 18°C (64°F). The month sees moderate precipitation of 74 mm (2.9 in) over approximately 12 days and a humidity level of 73%, creating a warmer, more humid atmosphere.

In contrast, October brings cooler temperatures, with minimums dropping to 6°C (43°F) and maximums reaching 20°C (68°F), and an average of 14°C (58°F). This month is characterized by significantly higher precipitation, totaling 133 mm (5.2 in) across 16 days, and an increased humidity level of 89%, contributing to a cooler and wetter climate. For more details about weather conditions during this month, you can check Lewes weather in October.

August weather typically offers milder temperatures, with averages ranging from a minimum of 12°C (54°F) to a maximum of 25°C (77°F). In contrast, November sees a notable drop in temperatures, with averages resting between 3°C (37°F) and 16°C (61°F). While August experiences a moderate level of precipitation at 74 mm (2.9 in) over approximately 12 days, November is wetter, receiving 119 mm (4.7 in) spread across 16 days and higher humidity levels of 92%. For those interested in more detailed insights into November weather patterns, please visit Lewes weather in November.

August and December present contrasting weather conditions. In August, temperatures range from a minimum of 12°C (54°F) to a maximum of 25°C (77°F), with an average of 18°C (64°F). The month sees 74 mm (2.9 in) of precipitation over about 12 days, accompanied by a humidity level of 73%. In stark contrast, December experiences much cooler temperatures, with a minimum of 2°C (35°F) and a maximum of only 13°C (56°F), averaging 9°C (48°F). This month is significantly wetter, receiving 149 mm (5.9 in) of precipitation over 18 days and a higher humidity of 92%. To learn more about this month's weather specifics, visit Lewes weather in December.

Compare Lewes's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Lewes

In August, Lewes transforms into a warm and vibrant locale, with temperatures reaching a comfortable maximum of 25°C (77°F), making it a delightful time for outdoor activities. Compared to other months, the average temperature in August is notably higher, providing a pleasant respite from the cooler, rainier months. However, be prepared for occasional rain, as August experiences about 12 days of precipitation, with a total of 74 mm (2.9 in), contributing to the area's lush greenery. With an average humidity of 73%, the summer warmth can feel quite pronounced, creating a unique atmosphere distinct from the spring and autumn. For a deeper understanding of seasonal patterns, check out Lewes Climate.