August Weather in Clanwilliam, South Africa

Last updated: August 31, 2025

In August, Clanwilliam, South Africa, experiences a mild yet variable climate characterized by a maximum temperature of 28°C (83°F), an average of 11°C (51°F), and cooler nights dipping to a minimum of -2°C (29°F). Despite the welcome warmth, the month is not without its showers, recording a total precipitation of 37 mm (1.4 in) over the course of seven days. The humidity level settles at a notable 78%, creating an atmosphere that is both refreshing and slightly damp. This unique combination of temperatures and weather patterns makes August a distinctive period in Clanwilliam, ideal for those who enjoy the contrast of sunny days and cooler nights.

August Temperature in Clanwilliam

In August, Clanwilliam experiences a notable transition as winter begins its slow retreat, showcasing temperatures that reflect this shift. The minimum temperature hovers around an invigorating -2°C (29°F), while average daytime warmth reaches a modest 11°C (51°F). As the month unfolds, locals can expect balmy highs up to 28°C (83°F), creating a pleasant atmosphere perfect for outdoor activities. This month stands out with a blend of cool mornings and mild afternoons, hinting at the approaching spring and making it an ideal time to explore the stunning landscapes of this charming South African town.

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

The chart illustrates August temperature patterns in Clanwilliam, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Clanwilliam, August typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec747571666054525157636670
Data source: Temperature data for Clanwilliam 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.

August Precipitation in Clanwilliam

In August, Clanwilliam experiences a notable shift in precipitation, recording 37 mm (1.4 in) of rainfall over 7 days. This marks a decline from the wetter months of July and June, which saw 63 mm (2.5 in) and 66 mm (2.6 in) respectively. However, the August precipitation still contributes significantly to the region's gradual transition towards the drier spring months ahead. This mid-winter peak aligns with the overall seasonal trend, where the early part of the year typically offers more moisture. As the year progresses, the rainfall steadily recedes, paving the way for the warmer and drier conditions of spring.

August Precipitation Trends in Clanwilliam

The chart displays monthly precipitation patterns in Clanwilliam, 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. In Clanwilliam, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec12418143266633719212316
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Clanwilliam

In August, Clanwilliam, South Africa, experiences a humidity level of 78%, reflecting a slight decline from the peak humidity of 82% seen in the preceding months of June and July. This gradual decrease hints at the transition towards the drier spring months. As the year progresses, humidity begins to taper off from a high of 77% in May to a more moderate 74% in September, signaling a shift in the climatic patterns. The trend showcases a clear seasonal rhythm, where summer months typically exhibit higher humidity levels, while the late summer to early autumn period brings a refreshing change, encouraging outdoor activities in this picturesque region.

August Average Humidity in Clanwilliam

This chart illustrates the average monthly humidity levels in Clanwilliam, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Clanwilliam is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec62%62%70%72%77%82%82%78%74%67%61%60%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Clanwilliam

In August, Clanwilliam experiences a UV Index of 6, categorized as high, which allows for a burn time of 25 minutes under direct sunlight. This marks a slight increase from the cooler months of June and July, which saw a UV Index of 4. As the year progresses, the UV levels will rise again, peaking towards the end of the year with extreme UV conditions in December. The trend indicates that while August is relatively manageable, caution is still advised, as sun exposure can lead to skin damage. For detailed UV index information, visit Clanwilliam UV Index.

Maximum UV Index Levels in Clanwilliam for August

The chart shows the monthly maximum UV Index (UVI) for Clanwilliam 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. In August, the maximum UV index in Clanwilliam typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151412964469121315
Data source: Clanwilliam 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 Clanwilliam

Nestled in the picturesque region of Clanwilliam, August brings a delightful embrace of sunshine, with 316 hours of glorious daylight, a pleasant rebound from the cooler winter months. As the year progresses, sunlight hours begin to rise steadily: from a modest 279 hours in June to 348 hours by September, signifying the arrival of spring and a gradual warming trend. This transition not only revitalizes the landscape but also signals the approach of the sun-drenched days of summer, peaking at an impressive 420 hours in December. The gradual increase in daylight during the late winter and into spring creates a dynamic and inviting atmosphere, making August a lovely precursor to the abundant sunshine that follows.

Monthly Sunshine Duration in Clanwilliam: August Highlighted

The August sunshine duration represents the total number of hours Clanwilliam 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.
JanFebMarAprMayJunJulAugSepOctNovDec339h359h361h320h298h279h294h316h329h374h390h420h
Data source: Clanwilliam August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Clanwilliam During August

In Clanwilliam, South Africa, the likelihood of sunny weather takes a noticeable dip in August, where the chances of basking in the sun fall to 63%. This month marks a continuation of the gradual decline in sunshine probabilities that begins in the peak of summer, highlighted by January's impressive 91%. As the year progresses, the sunshine percentages wane significantly, particularly from March through May, creating an overcast transition into the winter months. By August, while still better than many other times of the year, the sun’s presence is less assured compared to the earlier months. The overall trend indicates that summer months in Clanwilliam delight visitors with abundant sunshine, while late winter aligns with a more reserved sunny disposition.

Percentage of Sunny Days in August in Clanwilliam

The chart illustrates the percentage of sunny days in Clanwilliam 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 Clanwilliam experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%74%72%64%65%67%63%62%62%62%65%
Data source: Clanwilliam August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Clanwilliam in August

In August, Clanwilliam experiences 10 hours of daylight, marking a transition towards shorter days as winter gives way to spring. This consistent daylight duration from June through August reflects a period of stability before the gradual increase in daylight begins again in September. Following the peak brightness of 14 hours in December, the daylight hours fluctuate throughout the year, creating a rhythmic cycle that adds to the region's charm. As the days gradually lengthen post-August, residents and visitors alike can anticipate the vibrant bloom of spring, signifying a fresh chapter in the seasonal narrative of this beautiful part of South Africa.

Average Daylight Hours in Clanwilliam for August

The chart illustrates the variation in daylight duration in Clanwilliam throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 58m13h 12m12h 14m11h 15m10h 27m10h 3m10h 15m10h 58m11h 54m12h 53m13h 45m14h 12m
Data source: Clanwilliam daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Clanwilliam

In August, the winds in Clanwilliam, South Africa, gently whisper at an average speed of 2.3 m/s (5 mph), reflecting a slight dip from the preceding months. This tranquil breeze is part of a broader pattern observed throughout the year, where wind speeds gradually fluctuate between 2.1 m/s and 2.9 m/s. Notably, the wind tends to pick up momentum toward the end of the year, with November showcasing the year’s peak at 2.9 m/s. As summer approaches, both January and October share a livelier 2.8 m/s, setting a pleasant backdrop for outdoor activities. Overall, the consistent yet varied wind speeds create a serene atmosphere, ideal for both relaxation and adventure in this picturesque locale.

Average August Wind Speed in Clanwilliam

The chart displays monthly wind speed patterns in Clanwilliam, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.82.72.32.12.22.52.42.3 m/s2.62.82.92.6
Data source: Clanwilliam August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Clanwilliam Compares to Other Months

Weather in Clanwilliam varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Clanwilliam, focusing on differences in temperature, rainfall, humidity, and UV levels.

August and January present contrasting weather patterns. In August, temperatures range from a chilly minimum of -2°C (29°F) to a comfortable average of 11°C (51°F), peaking at 28°C (83°F). This month experiences moderate rainfall, with 37 mm (1.4 in) over about 7 days, coupled with a higher humidity of 78%. Conversely, January boasts a much warmer profile, with minimum temperatures of 9°C (48°F) rising to an average of 23°C (74°F) and a maximum of 39°C (102°F). Rainfall is minimal in January, totaling only 12 mm (0.5 in) across just 2 days, and humidity drops to 62%. For more detailed information, you can check Clanwilliam weather in January.

August and February present strikingly different weather patterns. In August, temperatures range from a chilly -2°C (29°F) at night to a mild maximum of 28°C (83°F) during the day, with an average temperature of 11°C (51°F). This month typically sees more precipitation, totaling about 37 mm (1.4 in) over approximately 7 days, accompanied by a high humidity level of 78%. In contrast, February boasts much warmer temperatures, with a minimum of 10°C (50°F) and a high of 39°C (102°F), averaging around 24°C (75°F). Precipitation is significantly lower at only 4 mm (0.2 in) over just 1 day, and humidity drops to 62%. This stark difference highlights the transition from winter to summer, showcasing February’s characteristic heat and dry conditions. For more detailed information, you can refer to Clanwilliam weather in February.

When comparing the weather in August and March, one can observe noticeable differences in temperature, precipitation, and humidity levels. August experiences cooler temperatures, with a minimum of -2°C (29°F) and a maximum of 28°C (83°F), while March boasts much warmer conditions, with a minimum of 8°C (47°F) and a maximum soaring to 38°C (101°F). Additionally, August sees more precipitation, with 37 mm (1.4 in) over an average of 7 days, compared to March's lighter rainfall of 18 mm (0.7 in) spread across just 2 days. Humidity levels are slightly higher in August at 78%, compared to 70% in March. For more details on the climate during this time, check out Clanwilliam weather in March.

When comparing the weather in August and April, distinct differences emerge. August tends to be cooler, with temperatures ranging from a chilly minimum of -2°C (29°F) to a mild maximum of 28°C (83°F), averaged at 11°C (51°F). Additionally, it experiences higher humidity at 78% and about 37 mm (1.4 in) of precipitation over 7 days. In contrast, April is notably warmer, with temperatures fluctuating between a minimum of 5°C (40°F) and a maximum of 36°C (96°F), averaging 19°C (66°F). It also enjoys less rainfall, with only 14 mm (0.5 in) over 3 days and slightly lower humidity at 72%. For a more detailed look at the weather patterns, you can check Clanwilliam weather in April.

In comparing the weather of August and May, we note distinct differences in temperature and precipitation. August features a wider temperature range, with a minimum of -2°C (29°F) and a maximum of 28°C (83°F), averaging around 11°C (51°F). In contrast, May offers milder conditions, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 31°C (89°F), resulting in a more pleasant average of 15°C (60°F). Precipitation levels are somewhat similar, with August receiving 37 mm (1.4 in) across 7 days, while May has slightly less at 32 mm (1.2 in) over only 4 days. Both months exhibit high humidity, with August at 78% and May at 77%, creating a humid atmosphere. For more details on the weather conditions in May, you can visit Clanwilliam weather in May.

When comparing the weather in August and June, we find that both months experience relatively mild temperatures. In August, the average temperature is slightly lower at 11°C (51°F), with a minimum of -2°C (29°F) and a maximum of 28°C (83°F), whereas June has a slightly warmer average of 12°C (54°F) and a maximum of 29°C (84°F). Precipitation levels in June are higher, totaling 66 mm (2.6 in) over 8 days, compared to August's 37 mm (1.4 in) over 7 days. Both months exhibit high humidity, with June at 82% and August at 78%. For more detailed information, visit Clanwilliam weather in June.

In comparing the weather of August and July, both months experienced similar minimum temperatures, with lows reaching -2°C (29°F) and average temperatures hovering around 11°C. However, July was slightly cooler overall, with a maximum temperature of 27°C (81°F), while August saw a higher maximum of 28°C (83°F). Precipitation was notably greater in July, with 63 mm (2.5 in) falling over 6 days compared to August's 37 mm (1.4 in) across 7 days. Additionally, humidity levels were marginally higher in July at 82%, compared to August's 78%. For a more detailed look, you can refer to Clanwilliam weather in July.

In comparing the weather of August and September, September generally exhibits warmer temperatures, with a minimum of 0°C (33°F), an average of 14°C (57°F), and a maximum soaring to 34°C (93°F), compared to August's minimum of -2°C (29°F) and average of 11°C (51°F). Additionally, September sees a reduction in precipitation, with only 19 mm (0.7 in) over 4 days, while August experiences 37 mm (1.4 in) of rain across 7 days. Furthermore, humidity levels slightly decrease from 78% in August to 74% in September. For more detailed information about September weather in Clanwilliam, visit Clanwilliam weather in September.

In comparing the weather patterns of August and October, August tends to be cooler with average temperatures around 11°C (51°F), while October sees a significant rise, boasting an average of 17°C (63°F). Notably, August experiences lower minimum temperatures, reaching as low as -2°C (29°F), compared to October's milder minimum of 2°C (36°F). Although August receives more precipitation, with 37 mm (1.4 in) spread over 7 days, October is drier with only 21 mm (0.8 in) occurring over 4 days. Additionally, humidity levels are higher in August at 78%, whereas October experiences a more comfortable humidity level of 67%. For more detailed insights, check out Clanwilliam weather in October.

In August, temperatures range from a minimum of -2°C (29°F) to a maximum of 28°C (83°F), with an average temperature of 11°C (51°F). The weather is relatively humid, with an average humidity of 78%, and it sees about 37 mm (1.4 in) of precipitation over 7 days. In contrast, November is noticeably warmer, with temperatures ranging from a minimum of 4°C (39°F) to a sweltering maximum of 37°C (99°F) and an average of 19°C (67°F). Precipitation decreases to 23 mm (0.9 in) over just 3 days, and humidity drops to 61%. For more detailed information, you can check Clanwilliam weather in November.

In comparing the weather between August and December, it's clear that December offers a significantly warmer experience. August typically sees temperatures ranging from a minimum of -2°C (29°F) to a comfortable average of 11°C (51°F), peaking at 28°C (83°F). This month also experiences higher humidity at 78% and receives about 37 mm (1.4 in) of precipitation over seven days. In contrast, December brings milder conditions with temperatures ranging from a minimum of 6°C (44°F) to an average of 21°C (70°F), with maximums soaring to 39°C (102°F). The month is drier, with only 16 mm (0.6 in) of precipitation over just two days, and humidity drops to 60%. For more specific insights into December weather patterns, you can explore Clanwilliam weather in December.

Compare Clanwilliam's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Clanwilliam

August weather in Clanwilliam brings a distinct shift compared to other months, characterized by its cooler temperatures that average around 11°C (51°F), a stark contrast to the warmer months. With maximums reaching up to 28°C (83°F), the days are pleasantly mild, while nighttime brings a refreshing chill with lows that can drop to -2°C (29°F). The month is also notable for its relatively low precipitation, averaging 37 mm (1.4 in) over just 7 days, making it a drier period before the onset of spring. Additionally, the humidity levels hover at 78%, adding to the crisp air that defines this time of year. For an in-depth look at seasonal patterns and weather trends, visit Clanwilliam Climate.