March Weather in Hermanus, South Africa

Last updated: August 31, 2025

March in Hermanus, South Africa presents a delightful coastal climate, featuring a maximum temperature of 27°C (81°F) and an average of 19°C (67°F), providing the perfect backdrop for outdoor exploration. Nights cool off to a minimum of 14°C (58°F), ensuring comfortable evenings. Visitors should be prepared for occasional rain, with an average precipitation of 31 mm (1.2 in) falling over 6 days, while humidity levels hover around a refreshing 81%. Whether you're whale watching or enjoying the scenic landscapes, March offers a lovely mix of warmth and marine breezes.

March Temperature in Hermanus

In March, Hermanus experiences a gentle transition towards the cooler months, with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 27°C (81°F). The average temperature settles at 19°C (67°F), offering a pleasant climate for outdoor activities. Compared to the preceding summer months of January and February, March sees a slight dip in both average and maximum temperatures, making it a comfortable time for whale watching and coastal strolls. As the season shifts, the warmth gradually gives way to the crispness of autumn, inviting visitors to enjoy the stunning landscapes and vibrant marine life that characterize this coastal gem.

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

The chart illustrates March temperature patterns in Hermanus, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hermanus, 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).
JanFebMarAprMayJunJulAugSepOctNovDec686966636159575658616366
Data source: Temperature data for Hermanus 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 Hermanus

March in Hermanus, South Africa, marks a noticeable uptick in rainfall, receiving 31 mm (1.2 in) over six days. This increase reflects a transition into the wetter months, following February's more subdued total of 17 mm (0.7 in). The gentle showers of March bring a refreshing change that prepares the region for the upcoming wetter period, with rainfall peaking in the subsequent months of May and June. As autumn approaches, the consistent drizzle not only enhances the lush scenery but also signifies the shift toward a more substantial rainy season, with residents and visitors alike embracing the refreshing ambiance that accompanies these early autumn rains.

March Precipitation Trends in Hermanus

The chart displays monthly precipitation patterns in Hermanus, 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 Hermanus, March typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec231731257584807746484128
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Hermanus

March in Hermanus, South Africa, experiences a slight rise in humidity, reaching 81%, which reflects a gradual increase from January and February's already elevated levels of 77% and 80%, respectively. This trend marks a transition into early autumn, where humidity remains relatively stable, dipping slightly to 80% in April before displaying a gradual downward trend as the year progresses. Overall, the consistent humidity levels throughout the summer months set the stage for a moderate and comfortable atmosphere in March, making it an appealing time to enjoy the natural beauty and outdoor activities that Hermanus has to offer.

March Average Humidity in Hermanus

This chart illustrates the average monthly humidity levels in Hermanus, 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 Hermanus is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%80%81%80%78%79%80%77%76%77%75%78%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Hermanus

In March, Hermanus experiences a UV Index of 11, categorizing it as extreme, with a burn time of just 10 minutes. This month marks a slight decrease from the peak values of January and February, yet the sunlight remains potent, urging residents and visitors alike to prioritize sun safety. Looking ahead, the UV Index will continue to decline in April, transitioning to a very high exposure level of 8, allowing for longer outdoor enjoyment with a burn time of 15 minutes. Notably, throughout the first half of the year, UV levels generally decrease, with March serving as a reminder of the still-intense sun in early autumn. For more information about yearly trends and specific UV levels, visit Hermanus UV Index.

Maximum UV Index Levels in Hermanus for March

The chart shows the monthly maximum UV Index (UVI) for Hermanus 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 Hermanus typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141311853469111214
Data source: Hermanus 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 Hermanus

March in Hermanus brings a delightful blend of sunshine, boasting an impressive 352 hours of bright, sunny days. This slight dip from February's peak of 356 hours is hardly a cause for concern, as March still stands out amid the seasonal transitions. As summer gives way to autumn, the trend reveals a gradual decrease in hours of sunshine, yet the month continues to bask in ample light, setting a warm tone for the upcoming cooler months. As days lengthen and warmth lingers, March in Hermanus is a splendid time to soak up those golden rays before the sunshine yields to the brisk embrace of April's 311 hours.

Monthly Sunshine Duration in Hermanus: March Highlighted

The March sunshine duration represents the total number of hours Hermanus 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.
JanFebMarAprMayJunJulAugSepOctNovDec337h356h352h311h291h267h287h308h328h372h390h421h
Data source: Hermanus March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Hermanus During March

Hermanus, South Africa, experiences a notable shift in sunny weather as spring fades into autumn. In March, the likelihood of enjoying sunny days drops to 49%, a significant decrease from the heights of 65% in January and 67% in February. This trend continues into April, maintaining that same probability of sunny weather. As the months progress, the chance of sun stays relatively stable, hovering around 50%, indicating a gradual transition into the cooler, cloudier winter months. While March may not boast the sunniest days, its moderate climate still offers a delightful backdrop for outdoor adventures.

Percentage of Sunny Days in March in Hermanus

The chart illustrates the percentage of sunny days in Hermanus 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 Hermanus experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec65%67%49%49%50%58%58%52%51%51%47%46%
Data source: Hermanus March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Hermanus in March

In Hermanus, South Africa, March marks a transition into shorter days, as daylight duration decreases to 12 hours. Following the sun-drenched heights of January with 14 hours of daylight, February begins the gradual decline, allowing for a notable reduction in March. As the seasons change, the longer evenings become more prevalent, hinting at the approach of autumn. This rhythm of daylight not only shapes daily life and activities but also beautifully frames the natural landscape, inviting residents and visitors alike to savor the lingering hours of sunlight before they dip further to 11 hours in April and beyond. The dance of light and shadow here creates a captivating ambiance that reflects the ever-changing beauty of the South African coast.

Average Daylight Hours in Hermanus for March

The chart illustrates the variation in daylight duration in Hermanus throughout the year, with March highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 8m13h 18m12h 15m11h 11m10h 18m9h 52m10h 5m10h 52m11h 53m12h 57m13h 54m14h 24m
Data source: Hermanus daylight hours, calculated by summing the hours between sunrise and sunset for each day.

March Winds in Hermanus

In March, wind speeds in Hermanus, South Africa hold steady at an average of 5.4 m/s (12 mph), following a slight dip from February's gentle breezes at 5.2 m/s (12 mph). This month marks a transition towards calmer winds as the summer heat begins to wane, with April witnessing a further decrease to 4.3 m/s (10 mph). Notably, March's winds create a pleasant atmosphere, ideal for enjoying outdoor activities while hinting at the upcoming cooler months. The trend showcases a pattern of gradually decreasing winds as the seasons change, with June and August also reflecting similar calmer conditions. Thus, March serves as a delightful bridge in the seasonal shifts, balancing tranquil winds with the vibrancy of early autumn in this coastal gem.

Average March Wind Speed in Hermanus

The chart displays monthly wind speed patterns in Hermanus, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.85.25.4 m/s4.34.44.55.24.65.25.45.25.9
Data source: Hermanus March wind data, generated using information from the Copernicus Climate Change Service.

How March Weather in Hermanus Compares to Other Months

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

March experiences slightly warmer temperatures compared to January, with average highs reaching 27°C (81°F) in March, compared to 29°C (84°F) in January. While January has a marginally higher minimum temperature of 15°C (60°F), March presents a slightly cooler average of 19°C (67°F). Additionally, March shows a bit more precipitation at 31 mm (1.2 in) over 6 days, compared to January's 23 mm (0.9 in) over 5 days. The humidity is also higher in March at 81%, in contrast to January's 77%. For a more detailed look at January weather, you can visit Hermanus weather in January.

When comparing the weather in February and March, March tends to be slightly cooler, with average temperatures ranging from a minimum of 14°C (58°F) to a maximum of 27°C (81°F), while February exhibits warmer temperatures with a minimum of 16°C (60°F) and a maximum of 29°C (84°F). Additionally, March experiences more rainfall, with 31 mm (1.2 in) over 6 days, compared to February's 17 mm (0.7 in) over just 5 days. Humidity levels are similar, sitting at 81% in March and 80% in February. For more details on February weather, visit Hermanus weather in February.

In comparing the weather between March and April, we see some notable differences and similarities. March tends to be slightly warmer, with average temperatures hitting 19°C (67°F) and a maximum of 27°C (81°F), compared to April's average of 17°C (64°F) and a peak of 30°C (86°F). Precipitation levels are a bit lower in April, with only 25 mm (1.0 in) over 6 days, compared to March's 31 mm (1.2 in) over the same duration. Humidity remains relatively consistent, with March at 81% and April at 80%. For more details on what to expect, check out Hermanus weather in April.

In March, the weather warms up with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 27°C (81°F), and an average temperature of 19°C (67°F). The month experiences a moderate amount of precipitation, with about 31 mm (1.2 in) falling over 6 days, alongside relatively high humidity of 81%.

In contrast, May sees slightly cooler conditions with temperatures ranging from a minimum of 11°C (53°F) to a maximum of 28°C (83°F), averaging 16°C (61°F). However, it is significantly wetter, receiving 75 mm (2.9 in) of rainfall over the same number of days, with humidity slightly lower at 78%. For more detailed insights about the weather in May, you can visit Hermanus weather in May.

In March, the weather is generally warmer with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 27°C (81°F), alongside an average of 19°C (67°F). The precipitation level is relatively low at 31 mm (1.2 in) over six days, while humidity remains fairly high at 81%. In contrast, June experiences cooler temperatures, with a minimum of 9°C (49°F) and a maximum of 23°C (74°F), along with an average of 15°C (59°F). June also sees increased rainfall, totaling 84 mm (3.3 in) over ten days, though humidity is slightly lower at 79%. For a more detailed look at the conditions in June, you can visit Hermanus weather in June.

When comparing the weather in March and July, March generally experiences warmer temperatures, with a minimum of 14°C (58°F) and an average of 19°C (67°F), peaking at 27°C (81°F). In contrast, July sees cooler temperatures, starting at a minimum of 9°C (48°F) and averaging only 14°C (57°F), with a maximum of 23°C (74°F). Additionally, March has lower precipitation levels at 31 mm (1.2 in) over 6 days, while July receives significantly more rain, totaling 80 mm (3.1 in) spread over 9 days. Despite the increase in rainfall during July, both months maintain similar humidity levels, around 81% in March and 80% in July. For more detailed information, you can check Hermanus weather in July.

March and August exhibit distinct differences in weather patterns. In March, temperatures are generally warmer, ranging from a minimum of 14°C (58°F) to a maximum of 27°C (81°F), with an average of 19°C (67°F). The precipitation is relatively low at 31 mm (1.2 in) over six days, and the humidity hovers around 81%, creating a pleasant early spring atmosphere. In contrast, August sees cooler temperatures, with a minimum of 7°C (45°F) and a maximum of 23°C (73°F), averaging 13°C (56°F). This month experiences increased rainfall, totaling 77 mm (3.0 in) across 11 days, and slightly lower humidity at 77%. For more detailed insights, check out Hermanus weather in August.

In March, the weather is generally warmer, with average temperatures ranging from a minimum of 14°C (58°F) to a maximum of 27°C (81°F) and an overall average of 19°C (67°F). This month experiences lower precipitation, totaling 31 mm (1.2 in) over about 6 days, coupled with high humidity at 81%. In contrast, September brings cooler temperatures, with averages from a minimum of 9°C (48°F) to a maximum of 28°C (83°F), averaging 15°C (59°F). This month sees more rainfall, accumulating to 46 mm (1.8 in) across 8 days, and a slightly lower humidity level of 76%. For more detailed information about weather conditions in September, visit Hermanus weather in September.

March tends to be warmer than October, with average temperatures reaching 19°C (67°F) compared to October's average of 16°C (61°F). While both months experience similar maximum temperatures, March has a higher minimum temperature of 14°C (58°F) compared to October’s 11°C (52°F). In terms of precipitation, October receives more rainfall with 48 mm (1.9 in) over 8 days, whereas March sees 31 mm (1.2 in) over 6 days, making October slightly wetter. Despite the increased rainfall, October's humidity is lower at 77%, while March features higher humidity at 81%. For more detailed information, you can check Hermanus weather in October.

March and November exhibit notable differences in weather conditions, characterized by varying temperatures and precipitation levels. In March, temperatures range from a mild minimum of 14°C (58°F) to a comfortable maximum of 27°C (81°F), with an average of 19°C (67°F). The month sees 31 mm (1.2 in) of rainfall over approximately 6 days, and a relatively high humidity of 81%. In contrast, November features slightly cooler temperatures, with a minimum of 11°C (52°F) and a maximum of 25°C (78°F), averaging 17°C (63°F). Precipitation increases to 41 mm (1.6 in) over 7 days, with humidity lower at 75%. For more insights on the climate, you can check Hermanus weather in November.

March and December share similar weather patterns, with both months exhibiting a minimum temperature of around 14°C (58°F) and an average temperature of 19°C (67°F). However, March tends to be slightly warmer on average, reaching a maximum of 27°C (81°F), compared to December, which peaks at 27°C (82°F). Precipitation is slightly higher in March, with 31 mm (1.2 in) over 6 days, while December sees a bit less, with 28 mm (1.1 in) spread over 7 days. Humidity is also a notable factor, measuring 81% in March and slightly lower at 77% in December. For more detailed information, you can check Hermanus weather in December.

Compare Hermanus's Climate with Cities Worldwide

Conclusion: What to Expect From March Weather in Hermanus

As March settles in Hermanus, the transition from summer to autumn becomes palpable, with warm temperatures peaking at a comfortable 27°C (81°F) and averaging around 19°C (67°F). Unlike the hotter summer months, March brings a slight dip in warmth, accompanied by increased humidity levels that hover around 81%. The month is also marked by sporadic rainfall, with 6 days experiencing light showers, contributing to a total precipitation of 31 mm (1.2 in). This unique blend of warmth and moisture sets March apart, creating a refreshing atmosphere for both locals and visitors alike. For more insights, explore the detailed information on Hermanus Climate.