May Weather in Soweto, South Africa

Last updated: August 31, 2025

In May, Soweto, South Africa experiences a delightful transition into cooler weather, with maximum temperatures reaching a pleasant 26°C (78°F) while the average settles around a crisp 13°C (56°F). The nighttime can drop to as low as -1°C (31°F), showcasing the region's diverse climate. With only 12 mm (0.5 in) of precipitation spread over a mere single day, the month remains relatively dry, maintaining an humidity level of 82% that adds a touch of freshness to the air. This unique blend of temperatures and conditions makes May an intriguing time to explore the vibrant culture and scenic beauty of Soweto.

May Temperature in Soweto

In May, Soweto experiences a noticeable transition as temperatures dip, with minimums reaching -1°C (31°F) and a moderate average of 13°C (56°F). This month marks a shift from the warmer summer months, yet still offers pleasant daytime highs that can reach up to 26°C (78°F). As autumn sets in, the cooler nights invite cozy evenings, contrasting with the lingering warmth of earlier months like January and February, where temperatures soared to a maximum of 34°C (94°F). With the chill of May, Soweto begins to wrap up its hot season, setting the stage for the cooler winter months ahead.

May Weather in Soweto: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Soweto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Soweto, 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).
JanFebMarAprMayJunJulAugSepOctNovDec696866615651515764666869
Data source: Temperature data for Soweto 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 Soweto

May marks a significant shift in precipitation patterns for Soweto, South Africa, as it experiences one of the year's lowest rainfall totals with only 12 mm (0.5 in) over just one day. This is a sharp contrast to the preceding months, particularly January and February, which boast much higher precipitation levels of 129 mm and 141 mm, respectively. As April’s rainfall decreases to 61 mm, May continues this dry trend, foreshadowing the dry winter months ahead. The waning of the rains in May signals the end of the wetter season, as Soweto transitions into a drier phase, with June and July expected to deliver even less moisture, highlighted by mere 8 mm and 3 mm respectively. The stark drops in both precipitation amount and frequency emphasize the seasonal shifts characteristic of this region.

May Precipitation Trends in Soweto

The chart displays monthly precipitation patterns in Soweto, 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 Soweto, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec129141766112832859100145
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Soweto

As May unfolds in Soweto, South Africa, the humidity reaches 82%, marking a slight increase from April’s 81%. This pattern reflects a trend of rising moisture levels as the city transitions into the cooler months, with humidity peaking in late autumn before beginning to decline as winter approaches. The elevated levels in May hint at the lingering warmth of the preceding summer months, creating a uniquely humid atmosphere that characterizes the region. Following May, humidity levels drop sharply in June, mirroring a seasonal shift toward drier conditions. Overall, the pattern showcases a blend of seasonal dynamics where higher humidity persists into the early stages of winter, setting the tone for the changing weather ahead.

May Average Humidity in Soweto

This chart illustrates the average monthly humidity levels in Soweto, 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 Soweto is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%77%77%81%83%73%71%68%74%74%82%81%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Soweto

In Soweto, South Africa, the UV Index experiences a noticeable decline from the extremes of summer to the milder conditions of May, where it sits at a high level of 7—a sharp drop from January's extreme rating of 16. This change translates into a longer burn time of 25 minutes, allowing for more time outdoors before sun exposure becomes risky. As winter approaches, the UV Index remains relatively high in June and July but does not reach the alarming levels of earlier months. This trend highlights the importance of adjusting sun protection strategies as the seasons shift, and for those planning to spend time in the sun, understanding these fluctuations is essential. For more information, check out the detailed Soweto UV Index.

Maximum UV Index Levels in Soweto for May

The chart shows the monthly maximum UV Index (UVI) for Soweto 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 Soweto typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16151311766811131516
Data source: Soweto 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 Soweto

May in Soweto, South Africa, basks in 320 hours of sunshine, contributing to a vibrant and lively atmosphere as winter approaches. The month sees a slight dip from the peaks of earlier months, but it remains consistent with the dynamic weather patterns typical of this region. Following the sunniest months of November and December, which boast upwards of 373 hours and 378 hours, May maintains a warm glow, setting the stage for the colder winter months. Overall, the sunshine hours trend reveals a gentle ebb and flow; as the year advances towards summer, there's an undeniable escalation in brightness, peaking in October with an impressive 366 hours. This rhythmic dance of sunlight mirrors the spirited life of Soweto, where every ray is cherished.

Monthly Sunshine Duration in Soweto: May Highlighted

The May sunshine duration represents the total number of hours Soweto 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.
JanFebMarAprMayJunJulAugSepOctNovDec311h322h356h318h320h299h314h330h338h366h373h378h
Data source: Soweto May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Soweto During May

As the seasons shift in Soweto, South Africa, the likelihood of sunny weather reaches an impressive 80% in May, continuing a trend that showcases increasing sunshine from the earlier months. After braving the cooler, cloudier days of January and February, residents eagerly embrace the brightening skies of March and April, which contribute to May's abundant sunshine. Following this peak, June and July boast even higher probabilities, with 83% and an astonishing 95% chance of sunny days, respectively. This pattern illustrates a transition into the heart of the dry season, where the vibrant, sunlit days not only uplift spirits but also set the stage for outdoor activities and community gatherings. As May firmly establishes itself as a month of cheer, it paves the way for the sun-drenched days of winter to follow.

Percentage of Sunny Days in May in Soweto

The chart illustrates the percentage of sunny days in Soweto 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 Soweto experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec28%35%68%81%80%83%95%81%78%62%62%43%
Data source: Soweto May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Soweto in May

As the sun nudges its way to our skies, Soweto experiences a gradual decline in daylight duration throughout May, with 10 hours of sunlight marking a significant milestone. This reduction is part of an overarching trend that begins in the peak summer months of January and February, where the days are long and bright, averaging 13 to 12 hours of daylight. By April, the days begin to shorten, and in the heart of autumn, Soweto sees its daylight drop to 11 hours. As summer turns to winter, daylight remains consistent at 10 hours during May and June, before slowly increasing again in August, signifying the cyclical nature of the seasons. Thus, Soweto's daylight patterns reflect a harmonious dance between light and dark, creating unique rhythms throughout the year.

Average Daylight Hours in Soweto for May

The chart illustrates the variation in daylight duration in Soweto throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 33m12h 57m12h 12m11h 26m10h 48m10h 30m10h 39m11h 12m11h 56m12h 42m13h 23m13h 44m
Data source: Soweto daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Soweto

In May, Soweto experiences a modest average wind speed of 2.7 m/s (6 mph), reflecting a slight uptick from the preceding months of April and March. This gentle breeze is consistent with the transitional nature of the season, as the winds begin to pick up slightly in anticipation of the winter months ahead. With June subsequently rising to 2.9 m/s, it suggests a gradual shift toward a breezier climate in the coming months. Overall, the wind patterns in Soweto during this time reveal a stable atmospheric movement, serving as a reminder of the region's unique connection to the seasonal changes that define its character.

Average May Wind Speed in Soweto

The chart displays monthly wind speed patterns in Soweto, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.22.82.72.62.7 m/s2.93.03.93.83.84.33.4
Data source: Soweto May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Soweto Compares to Other Months

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

In May, temperatures vary from a chilly minimum of -1°C (31°F) to a pleasant maximum of 26°C (78°F), with an average of 13°C (56°F). The month sees relatively low precipitation, with just 12 mm (0.5 in) over the course of one day and a high humidity level of 82%. In contrast, January is much warmer, featuring a minimum of 9°C (49°F) and a maximum temperature reaching up to 34°C (94°F), with an average of 21°C (70°F). However, January is also characterized by significantly higher precipitation at 129 mm (5.1 in) spread over 14 days, accompanied by a slightly lower humidity of 79%. For more detailed insights, you can check Soweto weather in January.

In comparing the weather between May and February, May exhibits cooler temperatures, with a minimum of -1°C (31°F) and an average of 13°C (56°F), peaking at a maximum of 26°C (78°F). In contrast, February is notably warmer, with temperatures ranging from a minimum of 10°C (51°F) to an average of 20°C (68°F), reaching up to 30°C (87°F). February also experiences significantly higher precipitation, with 141 mm (5.5 in) over 16 days compared to May's modest 12 mm (0.5 in) of rain over just one day. Humidity levels are fairly similar, with February at 77% and May slightly higher at 82%. For more detailed insights, you can explore Soweto weather in February.

In comparing the weather of May and March, May generally presents cooler temperatures with a minimum of -1°C (31°F) and an average of 13°C (56°F), peaking at 26°C (78°F). It also sees significantly less precipitation, averaging only 12 mm (0.5 in) over just one day, paired with relatively high humidity at 82%. In contrast, March is considerably warmer, with temperatures starting at a minimum of 8°C (46°F) and averaging around 19°C (66°F), reaching a maximum of 30°C (87°F). However, March experiences more rainfall, totaling 75 mm (3.0 in) across ten days, and a slightly lower humidity level at 77%. For more details on March's weather, you can visit Soweto weather in March.

In comparing the weather of April and May, we notice some distinct differences. April experiences milder temperatures, with a minimum of 3°C (38°F) and an average of 16°C (62°F), peaking at a warm 29°C (85°F). However, it also sees significantly higher precipitation at 61 mm (2.4 in) over 9 days, leading to a humidity level of 81%. In contrast, May brings a broader range of temperatures, with a minimum of -1°C (31°F) and an average of 13°C (56°F), reaching a maximum of 26°C (78°F). Precipitation drops dramatically to just 12 mm (0.5 in) over only 1 day, while humidity remains similar at 82%. This shift indicates a transition to drier and cooler conditions as spring progresses. For more detailed insights about the weather during this period, you can refer to Soweto weather in April.

In comparing the weather of May and June, May tends to be slightly warmer, with average temperatures around 13°C (56°F) and a maximum of 26°C (78°F). In contrast, June experiences cooler temperatures, showing an average of 11°C (52°F) and a max of 25°C (77°F). Precipitation is also slightly lower in June, with only 8 mm (0.3 in) compared to May's 12 mm (0.5 in), and both months share a similar number of rainy days. Additionally, humidity levels are higher in May (82%) than in June (73%). For a closer look at June weather specifically, you can check out Soweto weather in June.

May and July exhibit distinct weather patterns, with May generally being warmer with average temperatures reaching 13°C (56°F) and a maximum of 26°C (78°F). In contrast, July experiences cooler conditions, with an average temperature of 10°C (51°F) and a minimum of -4°C (25°F). Additionally, May has higher humidity levels at 82%, while July's humidity is lower at 71%. Precipitation in both months is minimal, with May receiving 12 mm (0.5 in) and July only 3 mm (0.1 in), although both months see a similar number of rainy days at just one. To learn more about July's climate specifics, you can refer to Soweto weather in July.

May and August exhibit distinct weather patterns, with May having a broader temperature range, where the minimum dips to -1°C (31°F) and the maximum can reach 26°C (78°F). In contrast, August maintains a slightly warmer and more stable range, with temperatures from -1°C (30°F) to a maximum of 27°C (80°F). While May sees a bit more precipitation at 12 mm (0.5 in) over a single rainy day and higher humidity at 82%, August boasts significantly less rainfall at just 2 mm (0.1 in), with dry conditions recorded. Additionally, the humidity drops to 68% in August, lending to a more comfortable feel. For a detailed look at the weather specifics, check out Soweto weather in August.

May and September exhibit notable differences in weather patterns. In May, temperatures range from a chilly -1°C (31°F) at night to a mild average of 13°C (56°F) and can reach as high as 26°C (78°F) during the day. With an average humidity of 82% and only 12 mm (0.5 in) of precipitation over a single day, May tends to be quite damp, setting the stage for a cool and relatively wet month. In contrast, September experiences warmer conditions, with temperatures starting at the same minimum of -1°C (31°F) but averaging a higher 18°C (64°F) and peaking at 32°C (91°F). Additionally, September sees less humidity at 74% and even lower precipitation, with just 8 mm (0.3 in) spread over two days. For more details, you can check out Soweto weather in September.

May and October offer distinct weather experiences. In May, temperatures range from a chilly minimum of -1°C (31°F) to a comfortable average of 13°C (56°F) and can peak at a warm 26°C (78°F). Precipitation is minimal, with only 12 mm (0.5 in) occurring over just one day, and humidity levels are relatively high at 82%. In contrast, October sees a warmer minimum of 4°C (40°F) and an average temperature of 19°C (66°F), with highs reaching up to 33°C (92°F). The month is significantly wetter, with 59 mm (2.3 in) of rainfall over about seven days, and humidity levels drop to 74%. For more information, you can check Soweto weather in October.

When comparing the weather in May and November, striking differences emerge. May typically experiences cooler temperatures, with a minimum of -1°C (31°F) and an average of 13°C (56°F), while November sees a milder minimum of 4°C (40°F) and a significantly warmer average of 20°C (69°F). Additionally, May has much less precipitation, averaging only 12 mm (0.5 in) over just one day, compared to November's substantial 100 mm (4.0 in) spread over 13 days. Interestingly, both months share the same humidity level of 82%, creating a consistent dampness in the air regardless of the temperature swings. For more specific details about November weather, you can check Soweto weather in November.

May and December showcase contrasting weather patterns. In May, temperatures range from a minimum of -1°C (31°F) to a maximum of 26°C (78°F), with an average of around 13°C (56°F). The month sees relatively low precipitation, totaling just 12 mm (0.5 in) over only 1 day, and humidity levels are moderately high at 82%. In comparison, December brings warmer temperatures, with a minimum of 10°C (51°F) and a maximum of 34°C (93°F), averaging 20°C (69°F). However, it also experiences significantly higher rainfall, accumulating 145 mm (5.7 in) across 19 days, while humidity remains similar at 81%. For more specifics on December weather, you can refer to Soweto weather in December.

Compare Soweto's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Soweto

In May, Soweto experiences a delightful transition with mildly warm days and cooler nights, offering a refreshing break from the heat of the preceding months. With average temperatures sitting around 13°C (56°F) and maximums reaching 26°C (78°F), this month stands out for its pleasant climate. Rainfall is infrequent, with just one day of measurable precipitation, contributing to the drier atmosphere characterized by 82% humidity. As May sets the stage for the approaching winter months, it provides an ideal opportunity to explore the vibrant culture and history of Soweto under more temperate conditions. For a deeper insight into the seasonal shifts throughout the year, visit Soweto Climate.