April Weather in Hermanus, South Africa

Last updated: August 31, 2025

April in Hermanus, South Africa offers a delightful climate, characterized by a maximum temperature peaking at 30°C (86°F) and an average temperature of 17°C (64°F), making it a pleasant time for outdoor activities. The minimum temperature dips to 12°C (54°F), adding a hint of chill to the evenings. While the month sees approximately 25 mm (1.0 in) of rainfall over about 6 days, the relatively high humidity level of 80% ensures the air remains fresh and invigorating. This combination of warmth and occasional rain makes April an ideal time to explore the stunning natural beauty of Hermanus.

April Temperature in Hermanus

In April, Hermanus, South Africa, showcases a distinct transition in its climate as it welcomes the cooler months. With a minimum temperature dipping to 12°C (54°F) and an average of 17°C (64°F), visitors can expect pleasant, mild weather, ideal for outdoor explorations. The maximum temperature can still reach a warm 30°C (86°F), offering a taste of the lingering summer warmth. This month marks a notable drop from March's temperatures, while still maintaining a comfortable average that's higher than many other regions experience during this time. As daylight hours shorten, the crisp air invites residents and travelers alike to enjoy the scenic charm of the coastal town, making April a beautiful month to experience Hermanus.

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

The chart illustrates April 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, April 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.

April Precipitation in Hermanus

In April, Hermanus experiences a moderate amount of rainfall, with 25 mm (1.0 in) of precipitation over 6 days. This marks a slight decrease from March's 31 mm (1.2 in), indicating a gentle transition into the drier months ahead. April's rainfall sets the stage for the approaching winter period, as precipitation begins to rise significantly from May onwards. Notably, the early months of the year, such as January and February, receive less rainfall, highlighting a trend of increasing precipitation leading into mid-year. As the region navigates through April, locals can expect a balance of sunny days and occasional showers, reflecting the seasonal shift typical of Hermanus.

April Precipitation Trends in Hermanus

The chart displays monthly precipitation patterns in Hermanus, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Hermanus, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec231731257584807746484128
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Hermanus

April in Hermanus, South Africa experiences a humidity level of 80%, continuing the trend of elevated moisture that characterizes the region in the earlier months of the year. Following a slight increase from 77% in January to 81% in March, April maintains a comfortable humidity that is just a notch below the peak of the preceding month. This pattern suggests a gradual tapering off as the year progresses, with humidity levels gradually decreasing towards the cooler months, where May dips to 78%. The consistency in humidity levels during this period makes April a pleasant transition month, blending the warmth of summer with the fresh approach of autumn. Overall, Hermanus reflects a relatively stable humidity climate, making it an appealing destination throughout the year.

April Average Humidity in Hermanus

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

April UV Index in Hermanus

April in Hermanus, South Africa, marks a notable transition in the UV Index, settling at 8, which falls into the very high exposure category. This is a marked decrease from the extreme levels seen in the earlier months of the year, such as January and February with indices of 14 and 13, respectively. As spring approaches, the burn time increases to 15 minutes, allowing for slightly more sun exposure. This change signifies a welcome shift, yet it's crucial to remain vigilant, as the UV Index remains significantly potent. Keep informed and protect your skin, especially during peak hours. For more details, visit Hermanus UV Index.

Maximum UV Index Levels in Hermanus for April

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

April Sunshine in Hermanus

In Hermanus, South Africa, April brings a delightful slice of sunshine, with 311 hours that captivate the senses, although slightly less than the bright days of January through March. As we transition into the cooler months, sunlight begins to fade, culminating in May's 291 hours and June's dip to 267 hours. However, the vibrant springs of late winter, like August with 308 hours, remind us of the sun's return, foreshadowing a spectacular increase in October with 372 hours and a stunning peak in December at 421 hours. This seasonal ebb and flow of sunlight not only enchants visitors but also highlights the region's unique climate, making each month a little different yet beautifully connected.

Monthly Sunshine Duration in Hermanus: April Highlighted

The April sunshine duration represents the total number of hours Hermanus experiences direct sunlight during the month of April, excluding cloudy or obstructed periods. This chart compares the sunshine duration of April with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec337h356h352h311h291h267h287h308h328h372h390h421h
Data source: Hermanus April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Hermanus During April

April in Hermanus, South Africa, brings a 50% chance of sunny weather, reflecting a notable trend of fluctuating sunshine as the seasons transition. Following a peak in summer months, January and February, with probabilities of 65% and 67% respectively, March sees a drop to 49%, which continues into April. This consistent 49% likelihood suggests that while sunny days can still be expected, visitors should also prepare for cooler, cloudier moments. As the year progresses, the chances gradually stabilize, showing a balance between sun and cloud cover. Overall, April offers a moderate climate, making it a delightful time for outdoor exploration amidst the region's stunning coastal landscapes.

Percentage of Sunny Days in April in Hermanus

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

Daylight Hours in Hermanus in April

As April arrives in Hermanus, South Africa, daylight begins its gradual retreat, offering about 11 hours of sunshine—a noticeable decrease from the longer 12 hours seen in March. This trend marks the transition into the cooler autumn months, as daylight hours continue to diminish, reaching their lowest point in June with just 9 hours of light. Following April's decline, daylight slowly rebounds, enriching the spring months with increasing brightness once again in September. This rhythmic dance of daylight throughout the year not only shapes the landscape but also profoundly influences the local lifestyle and activities, inviting residents and visitors alike to embrace the unique charm of each season.

Average Daylight Hours in Hermanus for April

The chart illustrates the variation in daylight duration in Hermanus throughout the year, with April 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.

April Winds in Hermanus

In April, Hermanus experiences a gentle shift in its breezy character, with an average wind speed of 4.3 m/s (10 mph), marking a notable decrease from the previous months. This calmer atmosphere is a pleasant contrast to the stronger winds that defined the summer, fostering a tranquil environment for locals and visitors alike. As spring gives way to autumn, the winds gradually pick up again, reaching 4.4 m/s (10 mph) in May, hinting at a new seasonal rhythm. This overall trend of moderate winds persists through the winter months, with occasional spikes as experienced in July and September. The evolution of winds in Hermanus throughout the year encapsulates the town's dynamic climate, making each month uniquely charming for those who cherish the coastal experience.

Average April Wind Speed in Hermanus

The chart displays monthly wind speed patterns in Hermanus, with values for each month shown alongside April's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how April's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec5.85.25.44.3 m/s4.44.55.24.65.25.45.25.9
Data source: Hermanus April wind data, generated using information from the Copernicus Climate Change Service.

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

When comparing the weather in April and January, several notable differences arise. April tends to have slightly cooler average temperatures, with a minimum of 12°C (54°F) and a maximum of 30°C (86°F), compared to January’s minimum of 15°C (60°F) and maximum of 29°C (84°F). Despite April’s lower averages, it experiences a similar amount of precipitation, with 25 mm (1.0 in) over 6 days, just slightly more than January's 23 mm (0.9 in) over 5 days. Additionally, April has a higher humidity level of 80% compared to January’s 77%. For a detailed view of January's climate, you can check Hermanus weather in January.

When comparing the weather in April and February, we observe some interesting variations. April tends to have slightly cooler temperatures, with a minimum of 12°C (54°F) and an average of 17°C (64°F), while February maintains higher temperatures, beginning at a minimum of 16°C (60°F), with an average of 20°C (69°F). Although both months exhibit similar humidity levels at 80%, April receives more precipitation at 25 mm (1.0 in) over 6 days compared to February's total of 17 mm (0.7 in) over 5 days. For a closer look at February weather specifics, you can visit Hermanus weather in February.

April typically experiences slightly warmer temperatures compared to March, with average highs reaching 30°C (86°F) as opposed to March's maximum of 27°C (81°F). However, March has a higher minimum temperature of 14°C (58°F) compared to April’s 12°C (54°F). In terms of precipitation, April sees a decrease to 25 mm (1.0 in) from March's 31 mm (1.2 in), though both months have an equal number of rainy days at six. Humidity levels remain similar, with March at 81% and April at 80%. For more detailed insights, you can check Hermanus weather in March.

April and May exhibit some notable differences in weather patterns. April typically enjoys slightly warmer temperatures, with averages around 17°C (64°F) and a maximum of 30°C (86°F), compared to May's average of 16°C (61°F) and a max of 28°C (83°F). While April experiences less precipitation at 25 mm (1.0 in) over about 6 days, May sees a significant increase in rainfall, totaling 75 mm (2.9 in) over the same number of days. Humidity levels are relatively similar in both months, with April at 80% and May slightly lower at 78%. For more details on the weather specifics in May, you can visit Hermanus weather in May.

April and June weather exhibit notable differences, particularly in temperature and precipitation. April experiences warmer temperatures, with a minimum of 12°C (54°F), an average of 17°C (64°F), and a maximum of 30°C (86°F), while June's temperatures are cooler, ranging from a minimal 9°C (49°F) to a maximum of 23°C (74°F). In terms of precipitation, April sees 25 mm (1.0 in) over 6 days, whereas June is significantly wetter, with 84 mm (3.3 in) spread across 10 days. Humidity levels remain similar in both months, hovering around 80% in April and 79% in June. For more detailed information about June’s climate, you can check Hermanus weather in June.

In comparing the weather patterns of April and July, April enjoys warmer temperatures, with a minimum of 12°C (54°F), an average of 17°C (64°F), and a maximum of 30°C (86°F). In contrast, July is cooler, featuring a minimum temperature of 9°C (48°F) and an average high of only 23°C (74°F). Both months experience high humidity at 80%, but July sees significantly more rainfall, with 80 mm (3.1 in) of precipitation over 9 days compared to April’s 25 mm (1.0 in) across 6 days. For more details on July weather, you can refer to Hermanus weather in July.

April and August showcase significant differences in weather patterns. In April, temperatures range from a mild 12°C (54°F) to a warm 30°C (86°F), with an average of 17°C (64°F) and relatively low precipitation at 25 mm (1.0 in) across 6 days. The humidity is quite high at 80%, giving a tropical feel to the early spring month. Conversely, August experiences cooler temperatures, with a minimum of 7°C (45°F) and a maximum of 23°C (73°F), averaging just 13°C (56°F). This month sees increased rainfall of 77 mm (3.0 in) over 11 days, along with a slightly lower humidity of 77%. For more information, you can check Hermanus weather in August.

April and September showcase distinct weather patterns, reflecting the transition between seasons. In April, temperatures range from a minimum of 12°C (54°F) to a maximum of 30°C (86°F), with an average of 17°C (64°F). The month experiences relatively low precipitation at 25 mm (1.0 in) over approximately six days, accompanied by high humidity levels of 80%. In contrast, September offers cooler conditions, with temperatures dipping to a minimum of 9°C (48°F) and peaking at 28°C (83°F), averaging 15°C (59°F). Additionally, September sees increased precipitation of 46 mm (1.8 in) over eight days, while humidity slightly decreases to 76%. For a deeper insight into the September weather, you can refer to Hermanus weather in September.

April and October offer mild weather conditions, but there are some notable differences between the two months. In April, temperatures range from a minimum of 12°C (54°F) to a maximum of 30°C (86°F), with an average of 17°C (64°F). The month sees around 25 mm (1.0 in) of precipitation over 6 days, paired with a humidity level of 80%. In contrast, October has slightly cooler temperatures, with a minimum of 11°C (52°F) and a maximum of 28°C (83°F), averaging 16°C (61°F). It also experiences more precipitation at 48 mm (1.9 in) over 8 days, with humidity at a slightly lower 77%. For more detailed information, you can check Hermanus weather in October.

In comparing the weather of April and November, both months share similar average temperatures, with April experiencing a slight increase in maximum temperature at 30°C (86°F) compared to November's 25°C (78°F). April boasts a minimum temperature of 12°C (54°F), slightly warmer than November's 11°C (52°F). Precipitation levels are higher in November, with 41 mm (1.6 in) occurring on 7 days, while April sees only 25 mm (1.0 in) of rain over 6 days. Additionally, humidity is a bit higher in April at 80%, compared to 75% in November, making April feel a touch more humid. For those interested in detailed insights about November's weather, you can visit Hermanus weather in November.

April and December present a mild climate, with both months experiencing generally pleasant temperatures. In April, temperatures range from a minimum of 12°C (54°F) to a maximum of 30°C (86°F), averaging around 17°C (64°F). The month receives about 25 mm (1.0 in) of precipitation over approximately 6 days, with humidity levels at 80%. In contrast, December features slightly warmer conditions, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 27°C (82°F) and an average of 19°C (66°F). Precipitation in December totals about 28 mm (1.1 in) over 7 days, with humidity slightly lower at 77%. For more specific details about December weather, you can check Hermanus weather in December. Overall, both months offer mild weather, though December tends to be somewhat warmer and slightly wetter.

Compare Hermanus's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Hermanus

As April arrives in Hermanus, the weather shifts into a comfortable transition from the warmer summer months. Visitors can expect refreshing average temperatures around 17°C (64°F) with the occasional peak reaching up to a balmy 30°C (86°F). While the month carries a hint of summer’s warmth, it also greets you with a slightly increased chance of rain, with precipitation on approximately 6 days, amounting to around 25 mm. The higher humidity levels at 80% provide a lush ambiance, making this picturesque coastal town a delightful retreat for those seeking a blend of sun and mild, inviting weather. For a more in-depth understanding of how April compares to other months, explore the comprehensive details on Hermanus Climate.