May Weather in Port Alfred, South Africa

Last updated: August 31, 2025

May in Port Alfred, South Africa presents a delightful transition into cooler autumn weather. With maximum temperatures reaching a warm 32°C (90°F) and an average of 18°C (65°F), the days are pleasantly temperate. Nighttime can feel brisk, dipping to a minimum of 10°C (50°F). During this month, the area experiences about 21 mm (0.8 in) of precipitation over 5 days, contributing to the lush greenery typical of the region. The humidity levels hover around a high 84%, adding a touch of tropical freshness to the air. Whether you're exploring coastal attractions or enjoying the local amenities, May offers a comfortable climate to experience the charm of Port Alfred.

May Temperature in Port Alfred

In May, Port Alfred, South Africa, begins to shift into cooler temperatures as summer gives way to autumn. The minimum temperature drops to a refreshing 10°C (50°F), while the average hangs at a comfortable 18°C (65°F). Despite the cooling trend, the maximum temperature can still reach an inviting 32°C (90°F), echoing the lingering warmth of the previous months. This transitional period sets the stage for outdoor adventures, allowing visitors to enjoy the area’s natural beauty in pleasantly mild weather, perfect for exploring the stunning coastline and vibrant local culture. As spring approaches in the following months, temperatures will continue to decline, making May an ideal time to enjoy the best of both worlds—warm days and cooler nights.

May Weather in Port Alfred: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Port Alfred, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Port Alfred, May 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).
JanFebMarAprMayJunJulAugSepOctNovDec727271676462615962646669
Data source: Temperature data for Port Alfred 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.

May Precipitation in Port Alfred

May signals a notable shift in precipitation patterns for Port Alfred, South Africa, as it experiences a significant drop to 21 mm (0.8 in) of rain over just 5 days. This decline follows a wetter April, highlighting a transition into the drier months ahead. While rainfall is reduced compared to earlier in the year, which peaked in February at 63 mm (2.5 in) across 9 days, May's moderate precipitation aligns with the trend of diminishing rainfall as winter approaches. As June looms with even lighter precipitation expected, May serves as a pivotal bridge, indicating a gradual shift towards the colder and drier winter months.

May Precipitation Trends in Port Alfred

The chart displays monthly precipitation patterns in Port Alfred, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Port Alfred, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec396351532115133236454859
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Port Alfred

In May, Port Alfred experiences a noticeable dip in humidity, settling at 84%. This is a slight decrease from the higher figures seen in the previous months, particularly March and April, which recorded peaks of 86% and 85% respectively. Following the humid summer months, May’s humidity suggests a gradual transition towards the cooler season. As the region moves into winter, humidity levels continue to decline, with June and July showing further reductions, reaching 79% and 77%. This trend highlights Port Alfred's shifting climate, where the balmy air of the early months gives way to more temperate conditions, while still maintaining a lush coastal atmosphere.

May Average Humidity in Port Alfred

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

May UV Index in Port Alfred

In May, Port Alfred experiences a moderate UV Index of 5, marking a noticeable drop from the extreme levels seen in the summer months. This reduction allows for a more manageable burn time of 30 minutes, giving residents and visitors a chance to enjoy outdoor activities with less concern about UV exposure. Following the intense UV ratings of 14 in January and 13 in February, and gradually declining to April's very high index of 8, this trend points to a seasonal transition where sun safety becomes a bit easier to navigate. As winter approaches, maintaining awareness of the UV Index remains important; for ongoing updates and tips, check out Port Alfred UV Index.

Maximum UV Index Levels in Port Alfred for May

The chart shows the monthly maximum UV Index (UVI) for Port Alfred in May, 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 May, the maximum UV index in Port Alfred typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141311854469101214
Data source: Port Alfred May 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.

May Sunshine in Port Alfred

May in Port Alfred, South Africa witnesses a gentle transition into winter, characterized by 297 hours of sunshine. While this is slightly lower than the previous month of April, it maintains a vibrant atmosphere that beckons outdoor enthusiasts. The trend throughout the year showcases an upward trajectory in sunlight hours, peaking in December with an impressive 392 hours. However, May's sunshine lays a solid foundation for the cooler months ahead, reminding us of the sunny days to come as winter settles in. As the days gradually shorten, the consistent warmth from the sun still invites residents and visitors alike to relish the outdoors, embracing the charm of this coastal gem.

Monthly Sunshine Duration in Port Alfred: May Highlighted

The May sunshine duration represents the total number of hours Port Alfred experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec321h333h347h301h297h277h298h309h322h359h370h392h
Data source: Port Alfred May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Port Alfred During May

In Port Alfred, South Africa, the likelihood of sunny weather experiences a notable upswing in May, boasting a 67% chance of sunshine that stands out among the months leading up to winter. Following this trend, June and July show even higher probabilities of clear skies at 70% and 76%, respectively, indicating a consistent pattern of increasing sunshine as the year progresses. In contrast, the months prior—January through April—hover around the mid to low 40% range, suggesting that May marks a transition into a sunnier season. This evident shift not only enhances the allure of outdoor activities but also signifies the approaching peak of winter sun in the following months.

Percentage of Sunny Days in May in Port Alfred

The chart illustrates the percentage of sunny days in Port Alfred throughout the year, with May 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 Port Alfred experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec46%49%47%43%67%70%76%66%47%50%40%33%
Data source: Port Alfred May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Port Alfred in May

As the transition from summer to winter unfolds in Port Alfred, South Africa, May heralds a notable shift in daylight duration, offering around 10 hours of sunlight each day. This reduction follows the gradual tapering off from the peak of 14 hours in January, with daylight steadily diminishing month by month. April, with its 11 hours, sets the stage for May's further decline, emphasizing the approaching winter months ahead. Following May, daylight dips to its annual low in June at 9 hours, before gradually increasing again in July. This cyclical pattern not only showcases the characteristic shifts of seasonal change but also enhances the charm of Port Alfred's landscapes, inviting locals and visitors alike to savor the fleeting light of late autumn.

Average Daylight Hours in Port Alfred for May

The chart illustrates the variation in daylight duration in Port Alfred throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 4m13h 16m12h 14m11h 12m10h 21m9h 56m10h 9m10h 54m11h 53m12h 55m13h 51m14h 19m
Data source: Port Alfred daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Port Alfred

In May, Port Alfred experiences a gentle breeze with an average wind speed of 4.0 m/s (9 mph), continuing the calmer trend set in April. This slight decrease from earlier months elevates the comfortable coastal atmosphere, making it an inviting time for outdoor activities. The wind picks up again in the following months, with June leading to even lighter winds at 3.7 m/s (8 mph), while October sees a notable increase with speeds reaching 5.3 m/s (12 mph). Overall, the wind patterns in Port Alfred reflect a typical transition into the cooler months, offering a blend of serenity and refreshment that characterizes this beautiful South African coastal town.

Average May Wind Speed in Port Alfred

The chart displays monthly wind speed patterns in Port Alfred, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.74.54.84.04.0 m/s3.74.74.34.75.34.64.8
Data source: Port Alfred May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Port Alfred Compares to Other Months

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

In comparing the weather between May and January, we notice distinct differences in temperature and precipitation patterns. May experiences milder temperatures, with a minimum of 10°C (50°F) and an average of 18°C (65°F), while January is warmer, showing a minimum of 14°C (58°F) and an average of 22°C (72°F). Although January offers a higher maximum temperature of 33°C (92°F) compared to May's 32°C (90°F), May generally has lower humidity at 84% versus January's 80%. Precipitation also varies, with May receiving only 21 mm (0.8 in) across 5 days, while January has almost double the precipitation at 39 mm (1.5 in) over 8 days. For a more detailed look at January weather, you can visit Port Alfred weather in January.

When comparing the weather in May and February, a few notable differences emerge. February tends to be warmer overall, with average temperatures ranging from 15°C (59°F) to a high of 33°C (92°F), while May has a cooler range of 10°C (50°F) to 32°C (90°F) with an average of 18°C (65°F). Additionally, February experiences higher precipitation, with around 63 mm (2.5 in) over 9 days compared to May's 21 mm (0.8 in) over just 5 days. Humidity levels are fairly comparable, with February at 79% and May slightly higher at 84%. For more details, you can check Port Alfred weather in February.

In comparing the weather between March and May, March tends to be hotter, with average temperatures ranging from a minimum of 13°C (56°F) to a maximum of 38°C (101°F), while May's temperatures are milder, averaging from 10°C (50°F) to 32°C (90°F). Interestingly, March also sees higher precipitation levels at 51 mm (2.0 in) over 9 days, compared to May's 21 mm (0.8 in) over just 5 days. Humidity levels are similar in both months, with March at 86% and May at 84%. For a more detailed look at March weather, you can check Port Alfred weather in March.

In comparing the weather from April to May, we see a slight increase in temperature in May, with average temperatures reaching 18°C (65°F) compared to April's 19°C (67°F). Interestingly, May experiences fewer rainy days, totaling 5 days with a lower precipitation of 21 mm (0.8 in), while April sees more prevalent rainfall at 53 mm (2.1 in) over 7 days. Humidity remains quite consistent, with May at 84% and April slightly higher at 85%. For more detailed insights on April's weather, you can refer to Port Alfred weather in April.

May and June present a noticeable shift in weather patterns. In May, temperatures range from a minimum of 10°C (50°F) to a maximum of 32°C (90°F), with an average of 18°C (65°F). This month sees more humidity at 84%, along with 21 mm (0.8 in) of precipitation spread over 5 days. In contrast, June experiences slightly cooler temperatures, with a minimum of 8°C (46°F), an average of 17°C (63°F), and a maximum of 30°C (87°F). Precipitation decreases to 15 mm (0.6 in) over just 2 days, and humidity drops to 79%. Overall, June tends to be less humid and wetter compared to May. For more detailed information, visit Port Alfred weather in June.

In comparing the weather between May and July, May presents a warmer climate with average temperatures around 18°C (65°F) and a maximum of 32°C (90°F). However, it experiences higher humidity at 84% and a greater amount of rainfall, with 21 mm (0.8 in) of precipitation over 5 days. In contrast, July is cooler, with an average temperature of 16°C (61°F) and maximums reaching 30°C (87°F), but it has lower humidity at 77% and less precipitation, totaling 13 mm (0.5 in) over just 2 days. For more details, you can check Port Alfred weather in July.

May and August present distinct weather characteristics, influencing the overall feel of the seasons. In May, temperatures range from a minimum of 10°C (50°F) to a maximum of 32°C (90°F), with an average of 18°C (65°F); this month experiences relatively high humidity at 84% and minimal precipitation of 21 mm (0.8 in) over five days. On the other hand, August features slightly cooler conditions, with temperatures dipping to a minimum of 7°C (46°F) and an average of 15°C (60°F), while the maximum remains the same at 32°C (90°F). Precipitation levels are higher in August, amounting to 32 mm (1.3 in), but the humidity is lower at 72%. For more details on August conditions, check out Port Alfred weather in August.

When comparing the weather in May and September, both months experience similar maximum temperatures, with May peaking at 32°C (90°F) and September at 32°C (89°F). However, May tends to be warmer overall, with average temperatures of 18°C (65°F) compared to September's 17°C (62°F). Precipitation is also more frequent in September, totaling 36 mm (1.4 in) over 6 days, exceeding May's 21 mm (0.8 in) over 5 days. Additionally, while humidity levels are high in both months, May is slightly more humid at 84%, compared to September's 79%. For a detailed look at September weather, you can visit Port Alfred weather in September.

In May, the weather typically features a temperature range from a minimum of 10°C (50°F) to a maximum of 32°C (90°F), with an average temperature of about 18°C (65°F). This month tends to be relatively dry, experiencing only 21 mm (0.8 in) of precipitation over approximately 5 days, while humidity levels are quite high at 84%. In contrast, October sees slightly cooler temperatures, with a minimum of 9°C (48°F) and a maximum of 30°C (86°F), while the average remains the same at 18°C (64°F). However, October is wetter, receiving 45 mm (1.8 in) of rainfall over 7 days, and slightly lower humidity at 77%. For more details, you can check Port Alfred weather in October.

When comparing the weather in May and November, both months exhibit mild temperatures, but November tends to be warmer overall. May has a minimum temperature of 10°C (50°F), with an average of 18°C (65°F) and a maximum of 32°C (90°F), while November features similar minimum temperatures with an average of 19°C (66°F) and a higher maximum of 35°C (95°F). May experiences less precipitation, with 21 mm (0.8 in) over approximately 5 days, compared to November's 48 mm (1.9 in) spread over 10 days. Although November is slightly more humid at 78%, it still provides a comfortable atmosphere, making both months appealing, though for different reasons. For more specific details, check out the Port Alfred weather in November.

May and December showcase distinct weather patterns that are reflective of their seasonal differences. In May, temperatures range from a minimum of 10°C (50°F) to a maximum of 32°C (90°F), with an average of 18°C (65°F). The month experiences relatively low precipitation, totaling 21 mm (0.8 in) over about 5 days, coupled with a high humidity level of 84%. In contrast, December sees slightly warmer temperatures, with a minimum of 13°C (56°F) and a maximum of 33°C (92°F), averaging 20°C (69°F). However, it also brings increased rainfall, accumulating 59 mm (2.3 in) over approximately 11 days, and a slightly lower humidity of 80%. For more details on December weather, check out Port Alfred weather in December.

Compare Port Alfred's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Port Alfred

As May unfolds in Port Alfred, the weather showcases a delightful transition, characterized by warmer daytime temperatures contrasting with cooler nights. This month stands out with its significant humidity and the occasional rainfall, marking a shift from the dry heat of the summer months. While May may experience vibrant sunshine, it also invites breezy, refreshing afternoons, making it a unique blend of warmth and comfort. If you’re planning a visit during this time, you can expect a pleasant climate that encourages exploration. For further insights, check out Port Alfred Climate.