August Weather in Clapham, United Kingdom

Last updated: March 17, 2025

In Clapham, United Kingdom, August delivers a mix of warm and variable weather conditions. With maximum temperatures soaring to 35°C (95°F) and an average of 18°C (64°F), residents can experience a taste of summer's peak. However, the month also sees cooler spells, as minimum temperatures can drop to 8°C (47°F). Rainfall is notable, with 70 mm (2.7 inches) accumulating over about 12 days, resulting in a humidity level of 77%. This blend of warmth and precipitation creates a dynamic atmosphere, making August a month of both sunshine and the occasional shower in Clapham.

August Temperature in Clapham

In August, Clapham, United Kingdom, enjoys the warm glow of summer, with temperatures reflecting a delightful mix of warmth and comfort. The month opens with a minimum temperature of 8°C (47°F) and peaks at a sizzling 35°C (95°F), showcasing a significant rise from the cooler spring months. With an average temperature of 18°C (64°F), locals and visitors relish the pleasant weather, perfect for outdoor activities and social gatherings. August stands out as a notably warm month, marking one of the year’s highest temperatures, thus heralding the height of summer just before the crispness of autumn begins to set in.

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

The chart illustrates August temperature patterns in Clapham, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec404345485461656459534643
Data source: Temperature data for Clapham 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 Clapham

August in Clapham sees a notable continuation of summer showers, with precipitation levels averaging around 70 mm (2.7 in) spread over 12 days. This marks a slight increase from July's rainfall, showcasing that as summer transitions to autumn, the likelihood of rain persists. The consistency in precipitation hints at a trend toward more humid conditions, as the region braces for the upcoming months. Still, compared to the heavier rains in October, August provides a relatively moderate mix of sun and showers, allowing for both outdoor activities and occasional respite from the summer heat.

August Precipitation Trends in Clapham

The chart displays monthly precipitation patterns in Clapham, 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.
JanFebMarAprMayJunJulAugSepOctNovDec504757386473687052845378
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

August Humidity in Clapham

In Clapham, United Kingdom, August marks a slight rise in humidity to 77%, a modest increase from July's 76%. This summer month shows a gradual transition from the drier conditions experienced in late spring and early summer. Notably, the humidity levels remain significantly lower compared to the winter months, where figures soar to around 90% in January and December. As September rolls in, humidity makes another leap to 85%, setting the stage for the wetter autumn months ahead. This trend reflects the overall seasonal shift from the comparatively drier summer atmosphere to the more humid fall and winter seasons that characterize Clapham's climate.

August Average Humidity in Clapham

This chart illustrates the average monthly humidity levels in Clapham, 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.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%86%84%80%81%76%77%85%90%92%90%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Clapham

In August, Clapham experiences a high UV Index of 7, indicating that sun protection is essential for outdoor activities, with a burn time of just 25 minutes. This slight decrease from the peak very high readings of July reflects the transition towards autumn, yet the level remains significant enough to warrant caution. Throughout the summer months, UV exposure peaked in June and July at 8, emphasizing the need for vigilance during this period. As we move towards September, the UV Index will moderate to 5, illustrating a gradual shift in seasonal sun intensity. For more detailed information, visit Clapham UV Index.

Maximum UV Index Levels in Clapham for August

The chart shows the monthly maximum UV Index (UVI) for Clapham 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.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Clapham 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 Clapham

In August, Clapham basks in a delightful average of 352 sunshine hours, marking it as a vibrant peak of summer. This month continues the trend of abundant sunlight established since April, where hours consistently climbed from 307 in April to 378 in July. While August slightly dips from July's peak, it still stands as one of the sunniest months of the year, showcasing the resilience of the British summer. Following August, sunshine hours decrease noticeably in September, with 286 hours, signaling the transition to the crisper days of autumn. Overall, Clapham's sunshine trajectory reflects a clear seasonal pattern, with the summer months offering the brightest and most enjoyable days.

Monthly Sunshine Duration in Clapham: August Highlighted

The August sunshine duration represents the total number of hours Clapham 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.
JanFebMarAprMayJunJulAugSepOctNovDec90h147h204h307h378h361h382h352h286h229h138h103h
Data source: Clapham August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Clapham During August

In Clapham, August's likelihood of sunny weather stands at 24%, which mirrors a trend of fluctuating sunshine as the year progresses. After a peak in April at 48%, the chances of sun dip again in the summer months, with July showing a modest 38%. This decline continues into August, highlighting that while late summer can occasionally bring warmth and light, it is often overshadowed by more typical UK weather patterns. Notably, as the seasons shift toward autumn, September sees a slight rebound to 29%, suggesting that while August may not bask in abundant sunshine, the sun's appearance remains a hopeful possibility.

Percentage of Sunny Days in August in Clapham

The chart illustrates the percentage of sunny days in Clapham 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 Clapham experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec23%25%26%48%30%25%38%24%30%22%31%16%
Data source: Clapham August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Clapham in August

In Clapham, United Kingdom, the daylight duration reaches a peak during the vibrant summer months, with June and July basking in a generous 16 hours of sunlight. As we transition into August, the days begin to shorten slightly, offering a still-abundant 14 hours of daylight. This gradual decline signals the onset of autumn, as daylight hours dip to 12 hours in September, before further tapering off. The trend highlights a seasonal rhythm, where the long, sun-soaked days of summer give way to the cozy, shorter days of fall, perfectly capturing the essence of each season's unique ambiance.

Average Daylight Hours in Clapham for August

The chart illustrates the variation in daylight duration in Clapham throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 18m9h 55m11h 54m13h 56m15h 43m16h 39m16h 9m14h 33m12h 35m10h 34m8h 45m7h 47m
Data source: Clapham daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Clapham

In August, the winds in Clapham, United Kingdom, offer a refreshing break, averaging around 4.1 m/s (9 mph). This slight increase from the summer peak, seen in July with its calm winds of 3.2 m/s (7 mph), signals a transition towards more invigorating breezes that precede the autumn months. Interestingly, as we move closer to September, the wind speed dips again to 3.6 m/s (8 mph), suggesting that August is a sweet spot for moderate winds, balancing the gentle summer calm and the briskness of autumn. This consistent pattern emphasizes August as a month where the winds whisper of change, ushering in a refreshing yet serene outdoor experience.

Average August Wind Speed in Clapham

The chart displays monthly wind speed patterns in Clapham, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.55.04.73.54.33.43.24.1 m/s3.65.04.44.8
Data source: Clapham August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Clapham Compares to Other Months

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

August and January present contrasting weather patterns in Clapham. In August, temperatures range from a mild 8°C (47°F) to a scorching 35°C (95°F), with an average of 18°C (64°F), while January sees much colder conditions, with temperatures dipping between -4°C (25°F) and a maximum of 14°C (58°F), averaging just 5°C (41°F). Precipitation is slightly higher in August at 70 mm (2.7 in) over 12 days, compared to January's 50 mm (2.0 in) over 9 days. Additionally, August has a relatively lower humidity level of 77%, compared to January’s higher humidity rate of 90%. For more detailed insights, check Clapham weather in January.

August and February present strikingly different weather patterns. August boasts a wide temperature range, with minimums around 8°C (47°F) and maximums peaking at 35°C (95°F), averaging 18°C (64°F). The month experiences relatively high humidity at 77% and sees about 70 mm (2.7 in) of precipitation over 12 days. In contrast, February offers a much cooler climate, with temperatures ranging from a low of -6°C (22°F) to a high of 18°C (65°F), averaging 6°C (43°F). Despite slightly lower precipitation at 47 mm (1.9 in) across 11 days, February maintains a higher humidity level at 88%. These differences highlight the seasonal extremes, with August representing the warmth of summer and February reflecting the chill of winter. For more details on the cold conditions, you can check Clapham weather in February.

When comparing the weather in August and March, it's clear that August is generally warmer and more temperate. In August, temperatures can range from a low of 8°C (47°F) to a high of 35°C (95°F), with an average of 18°C (64°F). In contrast, March sees much cooler conditions, with temperatures ranging from a minimum of -7°C (20°F) to a maximum of 22°C (71°F) and an average of 7°C (45°F). Both months experience a considerable amount of rain, with August receiving 70 mm (2.7 in) over approximately 12 days, while March gets 57 mm (2.2 in) across 13 days. Furthermore, humidity levels are higher in March at 86%, compared to 77% in August. For more detailed insights, you can check Clapham weather in March.

When comparing the weather in August and April, it's clear that August is significantly warmer, with average temperatures reaching 18°C (64°F) compared to April's cooler 9°C (49°F). In August, temperatures can peak at 35°C (95°F), while in April, the maximum temperature reaches 27°C (80°F). Precipitation is more frequent in August, with around 70 mm (2.7 in) falling over 12 days, compared to April's 38 mm (1.5 in) over 8 days. Interestingly, humidity remains relatively high in both months, at 77% in August and 84% in April. For more detailed insights, check Clapham weather in April.

August weather is generally warmer than that of May, with average temperatures soaring up to 18°C (64°F) compared to May's average of 12°C (55°F). The maximum temperature in August can reach as high as 35°C (95°F), a stark contrast to May's peak of 27°C (80°F). Both months experience a similar amount of precipitation, with August receiving 70 mm (2.7 in) and May slightly less at 64 mm (2.5 in), while the number of rainy days is comparable—12 in August versus 11 in May. Humidity levels remain high in both months, with August at 77% and May slightly higher at 80%. For more details about May weather, check out Clapham weather in May.

When comparing the weather in June and August, we see notable differences. August tends to be warmer, with average temperatures reaching 18°C (64°F) and a maximum of 35°C (95°F), while June has an average of 16°C (61°F), peaking at 31°C (88°F). Precipitation levels are quite similar, with August recording 70 mm (2.7 in) over 12 days and June slightly higher at 73 mm (2.9 in) over 10 days. However, August has slightly lower humidity at 77%, compared to June's 81%. For more detailed information, you can check Clapham weather in June.

In comparing the weather of August and July, both months showcase a similar average temperature of around 18°C (64°F) but have slightly different minimum and maximum ranges. August experiences a minimum temperature of 8°C (47°F) and a maximum of 35°C (95°F), while July has a slightly cooler minimum at 7°C (45°F) and a higher maximum of 37°C (98°F). Precipitation levels are comparable, with August receiving 70 mm over 12 days and July 68 mm over 14 days. Humidity remains slightly higher in August at 77%, compared to 76% in July. For more details on July weather, visit Clapham weather in July.

August features a wider temperature range, with minimums around 8°C (47°F) and maximums reaching up to 35°C (95°F), resulting in an average temperature of 18°C (64°F). The month experiences higher precipitation levels, totaling 70 mm (2.7 in) over 12 days, and humidity levels hover around 77%. In contrast, September sees cooler conditions, with minimum temperatures dropping to 3°C (37°F) and maximums at 29°C (85°F), averaging 15°C (59°F). While precipitation decreases to 52 mm (2.0 in) over 9 days, humidity slightly increases to 85%. For more details, you can check Clapham weather in September.

August typically experiences warmer temperatures, ranging from a minimum of 8°C (47°F) to a maximum of 35°C (95°F), achieving an average of 18°C (64°F). Humidity levels are relatively high at 77%, with precipitation totaling 70 mm (2.7 in) over approximately 12 days. In contrast, October brings a significant drop in temperatures, with averages around 11°C (53°F) and maximums of 23°C (74°F). The month also sees a rise in humidity to 90% and a slightly higher precipitation total of 84 mm (3.3 in), again over 12 days. For more detailed insights, you can check Clapham weather in October.

August and November present stark contrasts in weather characteristics. In August, temperatures can soar, with a range from a minimum of 8°C (47°F) to a scorching maximum of 35°C (95°F) and an average of 18°C (64°F). The humidity sits at a relatively high 77%, and precipitation occurs over 12 days, accumulating to 70 mm (2.7 in). In comparison, November brings a chill, with temperatures dropping significantly; the minimum reaches -3°C (28°F) and averages around 8°C (46°F) with a maximum of 17°C (63°F). November also exhibits higher humidity at 92% and slightly less precipitation over 10 days, totaling 53 mm (2.1 in). For a deeper insight into November's climate, check out Clapham weather in November.

August and December present strikingly different weather conditions. In August, temperatures range from a mild 8°C (47°F) at night to a sweltering 35°C (95°F) during the day, with an average of 18°C (64°F). The month sees an average precipitation of 70 mm (2.7 in) over about 12 days and boasts a relatively high humidity level of 77%. In contrast, December brings a much cooler climate, with temperatures dropping to a minimum of -4°C (25°F) and peaking at 15°C (59°F), resulting in an average of 6°C (43°F). The holiday month experiences slightly higher precipitation at 78 mm (3.1 in) across 15 days and a notable increase in humidity, reaching 90%. For a more detailed understanding of December's weather specifics, you can check Clapham weather in December.

Compare Clapham's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Clapham

August in Clapham presents a fascinating mix of weather elements that distinguish it from other months. With maximum temperatures soaring to 35°C (95°F), the month often welcomes warm days, enticing residents and visitors alike to enjoy outdoor activities. However, the average 18°C (64°F) provides a pleasant balance, while a noticeable humidity level of 77% creates a warm, tropical feel. Contrasting with the increased precipitation of around 70 mm (2.7 in) over 12 days, August serves as a transitional period from the heat of summer to the cooler trend of autumn. This dynamic weather pattern offers a unique experience typical of summer, making it a month to remember. For more insights, check out Clapham Climate.