March Weather in Clanwilliam, South Africa

Last updated: August 31, 2025

In March, Clanwilliam, South Africa, experiences a notable transition in weather, characterized by warm temperatures that peak at a scorching 38°C (101°F) and an average of 21°C (71°F). The nights offer a refreshing reprieve, with temperatures dipping to a cool 8°C (47°F). Despite the warm days, the month sees a modest precipitation total of 18 mm (0.7 in), occurring over just two days, complemented by a comfortable humidity level of 70%. This combination of warmth, cooler evenings, and occasional rain contributes to the area's distinctive charm during this vibrant season.

March Temperature in Clanwilliam

In March, Clanwilliam, South Africa, begins to shift towards cooler temperatures as summer wanes. The month features a minimum temperature of 8°C (47°F) and an average of 21°C (71°F), providing a pleasant respite from the sweltering heat of January and February, which saw highs of 39°C (102°F). The maximum for March reaches 38°C (101°F), hinting at a lingering warmth, but overall, the climate becomes more temperate as the days grow shorter. This transitional period showcases a drop in the average temperature, with notable decreases in both nighttime and daytime highs, signaling the approach of autumn while still offering plenty of sunny days for outdoor activities.

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

The chart illustrates March 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, March 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.

March Precipitation in Clanwilliam

In March, Clanwilliam experiences a noticeable increase in precipitation, receiving 18 mm (0.7 in) of rain over two days. This marks a gradual rise from the minimal rainfall of earlier months, particularly February, which recorded just 4 mm (0.2 in) over a single day. The patterns suggest that as summer transitions into autumn, the region begins to benefit from more frequent and heavier rains, setting the stage for even greater rainfall in the coming months, especially May and June. This shift not only nurtures the local flora but also heralds a change in the overall climatic rhythm of the area, indicating a more dynamic weather pattern as the year progresses.

March Precipitation Trends in Clanwilliam

The chart displays monthly precipitation patterns in Clanwilliam, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Clanwilliam, March typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec12418143266633719212316
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Clanwilliam

March in Clanwilliam, South Africa, marks a noticeable shift in humidity levels, with the average rising to 70%, a significant increase from the 62% experienced in both January and February. This rise heralds the onset of a more humid season, as humidity continues to climb, reaching 72% in April and peaking at 82% during the chilly winter months of June and July. The trend showcases a gradual buildup of moisture in the air as autumn transitions into winter, before tapering off to 67% in October, reflecting the region's dynamic climate shifts throughout the year. Counteracting the spring and summer dryness seen earlier, March sets the stage for a wetter, more humid climate ahead.

March Average Humidity in Clanwilliam

This chart illustrates the average monthly humidity levels in Clanwilliam, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, 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 March generated using information from the Copernicus Climate Change Service.

March UV Index in Clanwilliam

In March, Clanwilliam experiences a UV Index of 12, falling into the extreme exposure category, with a burn time of just 10 minutes. This marks a slight decrease from the peak levels seen in January and February, where the UV Index soared to 15 and 14, respectively. However, March still maintains a high level of sun intensity, indicating that protective measures are essential for outdoor enthusiasts. As the month transitions into April, the UV Index drops further to 9, indicating a gradual decline in solar radiation. For more detailed information on UV levels throughout the year, visit Clanwilliam UV Index.

Maximum UV Index Levels in Clanwilliam for March

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

March Sunshine in Clanwilliam

March brings a delightful splash of sunshine to Clanwilliam, South Africa, with an impressive 361 hours of bright rays that only slightly trails the vibrant February. This month marks a transition from the peak sun exposure of summer towards the cooler autumn days, yet the sun still clings to its warmth, setting the stage for pleasant outdoor activities. As the seasons change, the number of sunlit hours gradually diminishes, giving way to a steady decline in the following months. However, March serves as a reminder of the region's radiant climate, with just enough sunshine to inspire joy and adventure before the shorter days of winter arrive. Overall, the trend showcases a robust sun-kissed journey through the initial part of the year, culminating in a splendid March that perfectly encapsulates the essence of Clanwilliam's weather.

Monthly Sunshine Duration in Clanwilliam: March Highlighted

The March sunshine duration represents the total number of hours Clanwilliam experiences direct sunlight during the month of March, excluding cloudy or obstructed periods. This chart compares the sunshine duration of March with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec339h359h361h320h298h279h294h316h329h374h390h420h
Data source: Clanwilliam March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Clanwilliam During March

In Clanwilliam, South Africa, the likelihood of sunny weather in March drops to 74%, a notable decrease compared to the preceding months of January and February, which boast 91% and 90% respectively. This trend indicates a transition towards cooler autumn days, as the chance of sunshine further declines in April to 72%. The pattern suggests that while March still enjoys a considerable amount of clear skies, the shift towards the winter months brings a gradual reduction in sunny days, reminding residents that the vibrant summer warmth is beginning to wane.

Percentage of Sunny Days in March in Clanwilliam

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

Daylight Hours in Clanwilliam in March

In March, Clanwilliam enjoys a daylight duration of 12 hours, marking a gradual transition from the longer days of summer towards the shorter winter months. Following the consistent 13 hours of daylight in January and February, the shift to 12 hours signifies the start of autumn, where days begin to shorten steadily. This pattern continues into April with only 11 hours of daylight, emphasizing the seasonal shift. Interestingly, the longest days return in late spring and early summer, with daylight peaking at 14 hours in December. The ebb and flow of daylight in Clanwilliam not only reflects the changing seasons but also offers a captivating rhythm of light that enhances the beauty of this region throughout the year.

Average Daylight Hours in Clanwilliam for March

The chart illustrates the variation in daylight duration in Clanwilliam throughout the year, with March 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.

March Winds in Clanwilliam

As March rolls into Clanwilliam, South Africa, the winds begin to whisper a gentle lull, averaging 2.3 m/s (5 mph)—a slight dip from the preceding months. This subtle decrease in wind speed mirrors the transition from the summer's playful breezes in January and February to the more serene atmospheres that characterize the autumn season. Interestingly, while March starts to cool down, the wind remains relatively mild, hinting at the calmness that prevails throughout the region. The pace picks up again come April, suggesting the winds are merely taking a rest before they resume their dance in the following months. As the year progresses, Clanwilliam's winds continue to oscillate, yet March stands out as a tranquil interlude in the shifting rhythms of the seasons.

Average March Wind Speed in Clanwilliam

The chart displays monthly wind speed patterns in Clanwilliam, with values for each month shown alongside March's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how March's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.82.72.3 m/s2.12.22.52.42.32.62.82.92.6
Data source: Clanwilliam March wind data, generated using information from the Copernicus Climate Change Service.

How March 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 March’s weather to other months in Clanwilliam, focusing on differences in temperature, rainfall, humidity, and UV levels.

March weather in Clanwilliam is characterized by slightly lower average temperatures compared to January, with minimums around 8°C (47°F) and maximums reaching 38°C (101°F). In contrast, January sees a minimum temperature of 9°C (48°F) and often a higher average of 23°C (74°F), with maximums peaking at 39°C (102°F). While both months experience similar precipitation patterns with light rain over two days, March has slightly more rainfall at 18 mm (0.7 in) compared to January's 12 mm (0.5 in). Additionally, humidity levels in March are higher at 70%, whereas January enjoys a slightly drier atmosphere with 62% humidity. For more detailed information about January's climate, check out Clanwilliam weather in January.

In comparing the weather between March and February, March experiences slightly cooler temperatures with a minimum of 8°C (47°F) and an average of 21°C (71°F), while February has a minimum of 10°C (50°F) and a warmer average of 24°C (75°F). Both months showcase similar maximum temperatures, with March peaking at 38°C (101°F) and February at 39°C (102°F). However, March is wetter, receiving 18 mm (0.7 in) of precipitation over 2 days, compared to February’s 4 mm (0.2 in) over a single day. Additionally, March has higher humidity levels at 70%, whereas February maintains a lower humidity of 62%. For more detailed information, you can visit Clanwilliam weather in February.

In March, temperatures in Clanwilliam range from a minimum of 8°C (47°F) to a maximum of 38°C (101°F), with an average of 21°C (71°F). The month sees a total precipitation of 18 mm (0.7 in) over just 2 days, while humidity levels hover around 70%. In contrast, April experiences slightly cooler weather, with minimum temperatures dropping to 5°C (40°F) and an average of 19°C (66°F), peaking at 36°C (96°F). Precipitation decreases slightly to 14 mm (0.5 in), occurring over 3 days, alongside a minor increase in humidity to 72%. For more detailed weather information, visit Clanwilliam weather in April.

In March, temperatures in Clanwilliam typically range from a minimum of 8°C (47°F) to a maximum of 38°C (101°F), with an average temperature of 21°C (71°F). The month sees relatively low precipitation at 18 mm (0.7 in) over just 2 days, alongside a moderate humidity level of 70%. In contrast, May experiences cooler temperatures, with a minimum of 3°C (38°F) and an average of 15°C (60°F), peaking at 31°C (89°F). This month also brings increased rainfall, totaling 32 mm (1.2 in) across 4 days, and a slightly higher humidity level of 77%. For more details on weather conditions, you can check out Clanwilliam weather in May.

In comparing the weather of March and June, distinct contrasts emerge. March boasts a warmer climate with temperatures ranging from a minimum of 8°C (47°F) to a sweltering maximum of 38°C (101°F), while June experiences cooler temperatures, with a minimum of -1°C (31°F) and a maximum of 29°C (84°F). Precipitation levels are notably higher in June, with 66 mm (2.6 in) of rain spread across 8 days, compared to just 18 mm (0.7 in) over 2 days in March. Additionally, humidity levels rise in June to 82%, compared to 70% in March, creating a less comfortable but more refreshing atmosphere. For detailed weather insights, you can check Clanwilliam weather in June.

In March, temperatures in Clanwilliam can reach a maximum of 38°C (101°F), with an average of 21°C (71°F) and a minimum of 8°C (47°F), creating a warm and pleasant atmosphere. The month sees relatively low precipitation, totaling just 18 mm (0.7 in) over only 2 days, and humidity levels are around 70%. In contrast, July experiences much cooler temperatures, with a maximum of 27°C (81°F) and an average of 11°C (52°F), while the minimum can drop to -2°C (29°F). This month is notably wetter, receiving 63 mm (2.5 in) of rain across 6 days, and the humidity rises to 82%. For a detailed overview of July weather, you can visit Clanwilliam weather in July.

When comparing the weather in March and August, notable differences emerge. March boasts warmer temperatures, with an average of 21°C (71°F) and a maximum reaching up to 38°C (101°F), while August remains significantly cooler, featuring an average of 11°C (51°F) and a maximum of 28°C (83°F). Additionally, March experiences less precipitation, totaling just 18 mm (0.7 in) across 2 days, compared to August, which sees 37 mm (1.4 in) over 7 days. Humidity levels are also higher in August at 78%, compared to March's 70%. For more detailed insights, you can check Clanwilliam weather in August.

In comparing the weather between March and September, we see a notable shift in temperatures and conditions. March typically features higher temperatures, with a minimum of 8°C (47°F), an average of 21°C (71°F), and a maximum reaching 38°C (101°F). In contrast, September experiences cooler conditions, with temperatures ranging from a minimum of 0°C (33°F) to an average of 14°C (57°F) and a maximum of 34°C (93°F). While both months have similar levels of precipitation—around 18-19 mm (0.7 in)—March often sees rain on only 2 days, whereas September has rainfall spread over 4 days. Humidity levels are also slightly higher in September at 74% compared to March's 70%. For more detailed information, check out Clanwilliam weather in September.

March and October present contrasting weather patterns, even though they share a common maximum temperature of 38°C (101°F). In March, temperatures range from a mild minimum of 8°C (47°F) to an average of 21°C (71°F), while October is cooler with minimums dipping to 2°C (36°F) and an average of 17°C (63°F). Precipitation is slightly higher in October at 21 mm (0.8 in) over four days, compared to March’s 18 mm (0.7 in) over just two days. Humidity levels are fairly similar, with March at 70% and October at 67%. For more specific information about the weather in October, check out Clanwilliam weather in October.

March and November present distinct weather patterns. In March, temperatures range from a minimum of 8°C (47°F) to a maximum of 38°C (101°F), with an average temperature of 21°C (71°F) and relatively high humidity at 70%. Precipitation is relatively low, averaging 18 mm (0.7 in) over just 2 days. In contrast, November features slightly cooler temperatures, with a minimum of 4°C (39°F) and a maximum of 37°C (99°F), averaging 19°C (67°F). It sees a bit more precipitation, totaling 23 mm (0.9 in) over 3 days, but has lower humidity at 61%. For more details on November weather, check out Clanwilliam weather in November.

In comparing the weather between March and December, we observe that both months feature a similar average temperature of around 21°C (71°F), but March sees slightly more variation in daily temperatures, with a maximum reaching up to 38°C (101°F) compared to December's 39°C (102°F). Precipitation levels are relatively low in both months, with March experiencing 18 mm (0.7 in) over 2 days and December slightly less at 16 mm (0.6 in), also spread across 2 days. Additionally, March has a higher humidity level at 70%, while December's humidity is more comfortable at 60%. For those interested in specific weather patterns, you can check Clanwilliam weather in December.

Compare Clanwilliam's Climate with Cities Worldwide

Conclusion: What to Expect From March Weather in Clanwilliam

As March unfolds in Clanwilliam, the weather begins to transition into a more moderate climate compared to the sweltering summer months. With average temperatures hovering around a comfortable 21°C (71°F), residents and visitors can enjoy the pleasant days and cool evenings. This month also brings a modest amount of rainfall, with just 18 mm falling over two days, contributing to the lush beauty of the landscape. The humidity remains relatively high at 70%, giving the air a refreshing feel after the heat of summer. For a deeper look at how March weather fits into the overall climate of this charming region, check out Clanwilliam Climate.