March Weather in Grahamstown, South Africa

Last updated: August 31, 2025

March in Grahamstown, South Africa, presents a dynamic climate characterized by a maximum temperature peaking at 41°C (107°F), while the average hovers around 20°C (69°F), offering warm days and cool evenings. As the month progresses, residents can expect approximately 52 mm (2.1 in) of precipitation spread over 8 days, contributing to a relative humidity of 86% that adds a touch of sultriness to the air. Whether basking in the sun or navigating occasional showers, March showcases the vibrant and varied weather that defines this remarkable region.

March Temperature in Grahamstown

In March, Grahamstown experiences a mild transition as summer begins to fade. With minimum temperatures dipping to a cool 8°C (46°F) and an average hovering around 20°C (69°F), the weather offers a pleasant reprieve from the peak heat of the preceding months. Although the maximum temperatures can still soar to 41°C (107°F) on particularly warm days, the overall trend indicates a gradual cooling as the region heads into autumn. This month marks a shift from the intense summer highs seen in January and February, characterized by a consistent average temperature of 21°C (71°F), hinting at a more temperate climate ahead. As March unfolds, the delightful blend of cooler nights and warm days creates an inviting atmosphere for both residents and visitors alike.

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

The chart illustrates March temperature patterns in Grahamstown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grahamstown, 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).
JanFebMarAprMayJunJulAugSepOctNovDec707068636158575560626467
Data source: Temperature data for Grahamstown 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 Grahamstown

In March, Grahamstown experiences a modest precipitation total of 52 mm (2.1 inches) over 8 days, contributing to the region's gradual transition into drier months. This amount marks a slight decrease from February’s 73 mm (2.9 inches), reflecting a typical seasonal pattern as summer begins to wane. The rainfall in March is reminiscent of January, yet significantly lower than the previous month, indicating a trend towards reduced precipitation as the year progresses. As April approaches with an anticipated 45 mm (1.8 inches), it becomes evident that Grahamstown's weather is moving toward a drier phase, aligning with trends observed in the months ahead, where totals significantly drop, highlighting the region’s seasonal variability.

March Precipitation Trends in Grahamstown

The chart displays monthly precipitation patterns in Grahamstown, 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 Grahamstown, March typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec51735245226112836535364
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Grahamstown

In March, Grahamstown, South Africa experiences a noticeable rise in humidity, peaking at 86%, the highest level recorded this year. This increase follows a slightly lower figure of 79% in February, indicating a trend towards a more humid climate as summer approaches. The early months of the year typically maintain high humidity levels, ranging from 79% to 80%, but March's spike hints at the transition into the warmer months ahead. Following this peak, a gradual decrease is expected in April and May, where humidity settles at 85% and 84%, respectively. This cyclical pattern suggests that while March brings a burst of moisture, the subsequent months ease back into more comfortable conditions, setting the stage for the dry winter that follows.

March Average Humidity in Grahamstown

This chart illustrates the average monthly humidity levels in Grahamstown, 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 Grahamstown is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%86%85%84%79%77%72%79%77%78%80%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Grahamstown

In March, Grahamstown experiences a UV Index of 12, maintaining an extreme exposure category with a burn time of just 10 minutes. This marked decrease from January's 15 and February's 14 indicates a slight reduction in intensity as the summer months transition into autumn. Nevertheless, caution is still necessary, as the UV levels remain high. Following the trend, April sees a further dip to a very high index of 8, which suggests that while the UV radiation may be less intense, it's still essential to protect your skin during outdoor activities. For more detailed information on the UV Index throughout the year, visit Grahamstown UV Index.

Maximum UV Index Levels in Grahamstown for March

The chart shows the monthly maximum UV Index (UVI) for Grahamstown 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 Grahamstown typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151412854469111314
Data source: Grahamstown 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 Grahamstown

March brings a delightful surge of sunshine to Grahamstown, with 335 hours of bright daylight, marking a noticeable increase from the preceding months. This vibrant month sets the stage for spring, outshining both January and February, which recorded 308 and 315 hours respectively. As the days grow longer, Grahamstown transitions into a sunnier season, with April trailing at 296 hours, yet still offering ample sunshine. The trend continues, as the year progresses towards the peak of summer, where the sun shines brightest in December, boasting a remarkable 380 hours. This pattern highlights Grahamstown's remarkable ability to bask in the glow of the sun, making it a lively destination as winter gives way to spring and summer.

Monthly Sunshine Duration in Grahamstown: March Highlighted

The March sunshine duration represents the total number of hours Grahamstown 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.
JanFebMarAprMayJunJulAugSepOctNovDec308h315h335h296h297h279h300h307h320h354h359h380h
Data source: Grahamstown March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Grahamstown During March

In Grahamstown, South Africa, the chance of enjoying sunny weather in March stands at 45%, aligning it with the sunnier days of January and February. This gives March a pleasant opportunity for outdoor activities, as it transitions into the warmer months. Following March, the likelihood of clear skies sees a dip in April before making a significant leap in the winter months, with May reaching 66% and June peaking at 68%. The overall trend suggests that while March offers a fair chance of sunshine, residents and visitors can anticipate even brighter days as the year progresses, particularly in the heart of winter.

Percentage of Sunny Days in March in Grahamstown

The chart illustrates the percentage of sunny days in Grahamstown 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 Grahamstown experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec42%45%45%41%66%68%76%63%42%48%38%29%
Data source: Grahamstown March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Grahamstown in March

As the summer sun gives way to autumn in March, Grahamstown, South Africa, experiences a gentle decrease in daylight duration, with about 12 hours of daylight. This marks a shift from January and February's longer days, creating a transition that signals the approach of cooler months. The trend of diminishing daylight continues through April and May, where the hours shrink further to 11 and 10 hours, respectively. This gradual decline serves as a reminder of the cyclical nature of seasons, as the vibrant energy of summer gives way to the serene calm of fall. By October, daylight begins to extend again, hinting at the subsequent return of longer days in the upcoming warmer months.

Average Daylight Hours in Grahamstown for March

The chart illustrates the variation in daylight duration in Grahamstown throughout the year, with March highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 3m13h 15m12h 14m11h 13m10h 22m9h 57m10h 10m10h 55m11h 53m12h 55m13h 50m14h 18m
Data source: Grahamstown daylight hours, calculated by summing the hours between sunrise and sunset for each day.

March Winds in Grahamstown

As March unfolds in Grahamstown, South Africa, the winds remain gentle, with an average speed of 3.6 m/s (8 mph), mirroring the calmness of February. This steady breeze offers a comforting transition from the summer heat, setting the stage for the cooler months ahead. Interestingly, March stands out as a pivotal month, with wind speeds that are consistently strong but not overwhelmingly brisk. As the town shifts toward autumn in April, a slight dip to 3.0 m/s (7 mph) is expected, which hints at the forthcoming tranquility of the season. Following March, the winds gradually pick up again, showcasing a distinctive cycle that captures the essence of coastal South Africa's dynamic climate.

Average March Wind Speed in Grahamstown

The chart displays monthly wind speed patterns in Grahamstown, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.73.63.6 m/s3.03.23.34.03.43.84.13.83.8
Data source: Grahamstown March wind data, generated using information from the Copernicus Climate Change Service.

How March Weather in Grahamstown Compares to Other Months

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

In January, the weather in Grahamstown features a minimum temperature of 9°C (48°F) and an average of 21°C (71°F), while it can peak at 41°C (107°F). The month experiences about 50 mm (2.0 in) of precipitation over 9 days, with a humidity level of 80%. In contrast, March sees slightly lower minimum temperatures at 8°C (46°F) and maintains a similar average of 20°C (69°F), while still reaching a maximum of 41°C (107°F). Precipitation increases slightly to 52 mm (2.1 in) over 8 days, and humidity rises to 86%. Overall, both months exhibit warm temperatures, but March tends to be a bit more humid with slightly more rainfall. For detailed information about January's weather, you can visit Grahamstown weather in January.

In comparing the weather of March and February, we see a slight shift in temperature and precipitation patterns. March experiences a minimum temperature of 8°C (46°F), averaging 20°C (69°F), and peaking at 41°C (107°F), while February has a higher minimum of 10°C (50°F) and a similar average temperature of 21°C (71°F), with a maximum of 40°C (104°F). Precipitation levels are slightly lower in March at 52 mm (2.1 in) over 8 days compared to February's 73 mm (2.9 in) spread over 11 days. Humidity in March is higher at 86%, compared to February's 79%, suggesting a more muggy feel as the month progresses. For a deeper look at February weather specifics, check out Grahamstown weather in February.

March and April exhibit notable differences in weather patterns. March enjoys a slightly warmer climate, with average temperatures peaking at 20°C (69°F) and soaring to a maximum of 41°C (107°F). In contrast, April sees a lower average temperature of 17°C (64°F), with a maximum of 37°C (98°F). Both months experience a similar number of rainy days, around eight, but March has a higher total precipitation of 52 mm (2.1 in) compared to April's 45 mm (1.8 in). Humidity remains fairly consistent, with March at 86% and April at 85%. For more specifics on April weather characteristics, check out Grahamstown weather in April.

In comparing the weather of March and May, March typically experiences a wider temperature range, with minimums around 8°C (46°F) and maximums soaring up to 41°C (107°F). The average temperature sits at a warm 20°C (69°F), accompanied by significant humidity at 86% and a higher precipitation level of 52 mm (2.1 in) over approximately 8 days. In contrast, May features cooler temperatures, with a minimum of 4°C (39°F) and a more moderate maximum of 32°C (90°F), leading to an average temperature of 16°C (61°F). Rainfall is also lighter in May, totaling 22 mm (0.9 in) over just 5 days, and humidity remains slightly lower at 84%. For more detailed information, you can visit Grahamstown weather in May.

In March, the weather exhibits a wider range of temperatures, with a minimum of 8°C (46°F) and an average of 20°C (69°F), peaking at a scorching 41°C (107°F). This month also sees more precipitation, totaling 52 mm (2.1 in) over approximately 8 days, paired with high humidity levels of 86%. In contrast, June experiences cooler temperatures, where the minimum drops to 1°C (34°F) and the average settles at 14°C (58°F), with a maximum reaching only 32°C (89°F). Additionally, June is significantly drier, with only 5 mm (0.2 in) of rain falling over just 2 days, and humidity levels are slightly lower at 79%. For more detailed information, check out Grahamstown weather in June.

March and July exhibit significantly different weather patterns. In March, temperatures range from a minimum of 8°C (46°F) to a scorching maximum of 41°C (107°F), with an average temperature of 20°C (69°F). The month also sees 52 mm (2.1 in) of precipitation spread over 8 days, accompanied by high humidity levels at 86%. In contrast, July presents a much cooler climate, with temperatures ranging from a chilly minimum of 0°C (32°F) to a maximum of 32°C (90°F) and an average of 14°C (57°F). This month experiences far less rainfall, with only 11 mm (0.4 in) over just 3 days, along with lower humidity at 77%. For more details on the weather during this cooler month, check out Grahamstown weather in July.

March and August present contrasting weather patterns, highlighting the transition from late summer to early autumn. In March, temperatures can soar with a minimum of 8°C (46°F) and a staggering maximum of 41°C (107°F), creating an average of 20°C (69°F). This month also experiences higher humidity at 86% and an increased likelihood of rain, with 52 mm (2.1 in) falling over about 8 days. In contrast, August is much cooler, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 32°C (90°F) and an average of 13°C (56°F). Precipitation in August is lighter at 28 mm (1.1 in) over just 5 days, contributing to a lower humidity level of 72%. For more specifics about weather conditions, check out Grahamstown weather in August.

In March, the weather is characterized by a wide temperature range, with minimums of 8°C (46°F) and highs reaching up to 41°C (107°F), leading to an average of 20°C (69°F). The month experiences relatively high humidity at 86% and over 52 mm (2.1 in) of precipitation across about 8 days. In contrast, September presents much cooler temperatures, with minimums dropping to 1°C (34°F) and an average of 15°C (60°F), while highs can reach 39°C (102°F). Rainfall is lighter at 36 mm (1.4 in) and occurs over just 4 days, accompanied by slightly lower humidity at 79%. For more detailed weather information, you can check Grahamstown weather in September.

The weather in March and October presents a striking contrast in temperatures and humidity levels. In March, the minimum temperature is 8°C (46°F), but it averages a comfortable 20°C (69°F) during the day, with the maximum soaring to 41°C (107°F). This month also experiences higher humidity at 86% and records about 52 mm (2.1 in) of precipitation over 8 days.

In contrast, October sees cooler conditions, with a minimum of 4°C (40°F) and an average temperature of 17°C (63°F), yet it can still reach a maximum of 42°C (108°F). Despite its slightly higher precipitation of 53 mm (2.1 in) over the same number of days, October enjoys lower humidity levels at 77%. For a more detailed look at October's weather, you can check Grahamstown weather in October.

March and November display some interesting similarities and differences in weather patterns. In March, temperatures range from a minimum of 8°C (46°F) to a maximum of 41°C (107°F), with an average temperature of 20°C (69°F). The month experiences about 52 mm (2.1 in) of precipitation across approximately 8 days, coupled with high humidity at 86%. In contrast, November offers slightly cooler temperatures, with a minimum of 5°C (42°F) and a maximum of 40°C (104°F), and an average of 18°C (64°F). Precipitation levels remain similar to March at 53 mm (2.1 in) over the same number of rainy days, but humidity is lower at 78%. For more detailed insights into November’s weather, you can visit Grahamstown weather in November.

March and December exhibit quite similar temperature ranges, with March showcasing a minimum of 8°C (46°F) and a maximum of 41°C (107°F), while December has a slight variation with a minimum of 7°C (46°F) and a maximum of 40°C (104°F). Both months have an average temperature around 20°C (68-69°F). However, December experiences slightly higher precipitation at 64 mm (2.5 in) over 11 days compared to March's 52 mm (2.1 in) over 8 days, contributing to a slightly lower humidity level in December at 80%, compared to March's 86%. For those interested in the specific weather patterns during December, more details can be found at Grahamstown weather in December.

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Conclusion: What to Expect From March Weather in Grahamstown

As March unfolds in Grahamstown, the weather becomes a striking contrast to the preceding summer months. Days can reach a scorching 41°C, but average comfortably around 20°C, while nights cool down to a brisk 8°C. This month also brings increased humidity at 86%, contributing to a more muggy atmosphere. With 52 mm of rain spread over 8 days, the onset of precipitation adds a refreshing twist to the typically arid conditions. Overall, March serves as a bridge between the hot days of summer and the cooler embrace of autumn, making it a unique and unpredictable time for residents and visitors alike. For a deeper dive into the climatic patterns of this fascinating town, check out Grahamstown Climate.