May Weather in Mossel Bay, South Africa

Last updated: August 31, 2025

Mossel Bay in May presents a delightful climate, characterized by pleasant temperatures that range from a maximum of 27°C (80°F) to an average of 17°C (63°F), dipping to a minimum of 11°C (52°F). This month experiences an average precipitation of 43 mm (1.7 in) over just five days, contributing to the region's lush scenery. With a comfortable humidity level of 78%, May offers a refreshing atmosphere, making it an ideal time for both outdoor activities and exploration of this breathtaking coastal destination. Whether you're strolling along the beaches or enjoying a meal with a view, Mossel Bay in May is sure to impress.

May Temperature in Mossel Bay

In Mossel Bay during May, temperatures start to cool, setting the stage for the upcoming winter months. This month sees a minimum of 11°C (52°F) and a comfortable average of 17°C (63°F), with a maximum reaching 27°C (80°F). Compared to the warmth of previous summer months, May ushers in a noticeable drop, particularly from April’s milder evenings and pleasant afternoons. However, the climate remains relatively mild, allowing for enjoyable outdoor activities amidst the changing scenery. The gradual shift in temperatures reflects the region's transitional climate, perfect for those who appreciate the balance between warmth and the crispness of early winter.

May Weather in Mossel Bay: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Mossel Bay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mossel Bay, 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).
JanFebMarAprMayJunJulAugSepOctNovDec697068646361595860626466
Data source: Temperature data for Mossel Bay 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 Mossel Bay

In Mossel Bay, South Africa, May experiences a noteworthy balance in precipitation, with an average of 43 mm (1.7 in) of rainfall spread over just 5 days. This places May among the wetter months, closely following the slightly drier April but significantly surpassing June, which sees a notable decline in both rainfall and rainy days. The trend of increasing precipitation from April to May suggests a gentle shift toward the cooler, wetter months of winter. As the region transitions into June, the precipitation amounts decrease, hinting at a seasonal rhythm that characterizes Mossel Bay's climate, where late autumn showers make way for the drier winter months ahead.

May Precipitation Trends in Mossel Bay

The chart displays monthly precipitation patterns in Mossel Bay, 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 Mossel Bay, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec463044224424335149475133
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Mossel Bay

In Mossel Bay, South Africa, May marks a subtle transition in humidity as it dips to 78%, slightly lower than the preceding months of March and April, which recorded humidity levels of 83% and 82%, respectively. This slight decrease indicates the onset of dryer winter conditions, as the region typically experiences a gradual decline in humidity leading into the cooler months. Interestingly, while January and February boast the highest humidity levels at 79% and 82%, the trend reflects a seasonal shift that stabilizes around mid-year, with June and July seeing minimal variation at 77% and 78%. Overall, the data suggests a relatively stable climate, where coastal humidity remains comfortably high yet progressively eases as summer transitions into winter.

May Average Humidity in Mossel Bay

This chart illustrates the average monthly humidity levels in Mossel Bay, 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 Mossel Bay is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%82%83%82%78%77%79%76%77%79%77%79%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Mossel Bay

In Mossel Bay, May marks a significant shift in the UV Index, dropping to 5, which falls under the moderate exposure category. After months of extreme levels in the summer, where burn times were as short as 10 minutes, May offers a more forgiving sun, allowing for 30 minutes of safe exposure. This transition signals the onset of cooler weather, with the UV Index remaining moderate through June and July, making this a great time to enjoy outdoor activities with a bit more sun security. As spring approaches, the UV levels will increase again, so those venturing outdoors should always stay informed. For more detailed insights, visit Mossel Bay UV Index.

Maximum UV Index Levels in Mossel Bay for May

The chart shows the monthly maximum UV Index (UVI) for Mossel Bay 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 Mossel Bay typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141311853459111214
Data source: Mossel Bay 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 Mossel Bay

In Mossel Bay, South Africa, May marks a gentle transition as the daylight hours begin to wane, providing 295 hours of sunshine. This dip is part of a broader seasonal trend, following the vibrant sun-drenched months of January through March, which boast an impressive average of over 340 hours each. April sees a slight decrease, yet the sun still shines bright before May takes a softer tone. As winter approaches, the sun's presence continues to diminish, with June offering the year's lowest sunlight at 275 hours. However, the gradual increase returns in the spring months, showing that even as the days grow shorter, Mossel Bay remains a charming destination, offering a delightful variety of experiences under the sun's embrace.

Monthly Sunshine Duration in Mossel Bay: May Highlighted

The May sunshine duration represents the total number of hours Mossel Bay 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.
JanFebMarAprMayJunJulAugSepOctNovDec329h348h354h309h295h275h293h312h323h367h384h414h
Data source: Mossel Bay May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Mossel Bay During May

In Mossel Bay, South Africa, the likelihood of enjoying sunny weather in May stands at 59%, marking a noticeable recovery from the 45% chance in April. This upward trend reflects a more promising transition into the cooler months, with May basking in the midst of a string of months that boast a significant amount of sunshine. The sunniest months of the year, June and July, each offer 69% chances of clear skies, suggesting that while May may still have its share of cloudy days, it serves as a pleasant prelude to the sunnier winter months. Overall, May remains a favorable time to soak up the sun before the peak of winter descends.

Percentage of Sunny Days in May in Mossel Bay

The chart illustrates the percentage of sunny days in Mossel Bay 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 Mossel Bay experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec62%66%51%45%59%69%69%59%46%51%47%42%
Data source: Mossel Bay May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Mossel Bay in May

As spring transitions into winter in Mossel Bay, South Africa, May marks a notable shift in daylight duration, with the sun gracing the skies for approximately 10 hours. This is a continuation of the declining trend from January's 14 hours of daylight, as the days gradually shorten through the months. By the time April arrives, the daylight dips to 11 hours, setting the stage for May's further reduction. Following this pattern, June experiences the year's shortest days at 9 hours, before daylight duration begins to rise again. The cyclical nature of daylight in Mossel Bay not only highlights the seasonality unique to the region but also the anticipation of longer days as winter gives way to spring once more.

Average Daylight Hours in Mossel Bay for May

The chart illustrates the variation in daylight duration in Mossel Bay throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 7m13h 17m12h 15m11h 11m10h 19m9h 53m10h 6m10h 52m11h 53m12h 57m13h 53m14h 22m
Data source: Mossel Bay daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Mossel Bay

As May rolls into Mossel Bay, the winds pick up slightly, averaging 4.4 m/s (10 mph), mirroring the breezes of both June and the milder winds of April. This gentle uptick signifies a transition from the calmer days of early spring, where January's peak of 5.6 m/s (12 mph) and February's 4.9 m/s (11 mph) set a lively stage. As the year progresses, the coastal winds tend to stabilize, showing a tendency to hover around the 4.4 to 5.3 m/s range in the late autumn and early winter months. This consistent breeziness not only enhances the charm of Mossel Bay but also makes it an inviting spot for outdoor lovers seeking activities amid nature’s refreshing air.

Average May Wind Speed in Mossel Bay

The chart displays monthly wind speed patterns in Mossel Bay, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.64.95.13.74.4 m/s4.44.84.54.75.35.05.3
Data source: Mossel Bay May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Mossel Bay Compares to Other Months

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

May and January offer distinct weather experiences. In May, temperatures range from a minimum of 11°C (52°F) to a maximum of 27°C (80°F), with an average of 17°C (63°F) and 43 mm (1.7 in) of precipitation over about five days. The humidity is relatively high at 78%, contributing to a mild atmosphere.

In contrast, January features warmer conditions with minimum temperatures around 17°C (63°F) and a maximum of 26°C (80°F), averaging 21°C (69°F). The month sees slightly more precipitation, totaling 46 mm (1.8 in) over eight days and maintaining a similar humidity level of 79%.

For more details, you can visit Mossel Bay weather in January.

May and February exhibit distinct weather patterns, highlighting the transition towards cooler temperatures. In May, the minimum temperature drops to 11°C (52°F) with an average of 17°C (63°F) and a maximum of 27°C (80°F). This month experiences 43 mm (1.7 in) of precipitation over approximately 5 days and maintains a humidity level of 78%. In contrast, February's temperatures are warmer, with a minimum of 16°C (60°F), averaging 21°C (70°F), and peaking at 29°C (84°F). It sees slightly less rainfall at 30 mm (1.2 in) but has precipitation spread across 8 days, contributing to a higher humidity of 82%. For more detailed insights, check out Mossel Bay weather in February.

When comparing the weather in May and March, it is evident that May sees a wider temperature range with a minimum of 11°C (52°F) and an average of 17°C (63°F), while March has higher minimum temperatures starting at 16°C (61°F) and an average of 20°C (68°F). Both months peak at a maximum of 27°C (80°F), but May experiences slightly less precipitation (43 mm) over fewer days (5) compared to March, which has 44 mm of precipitation spread across 8 days. Additionally, humidity levels are slightly lower in May at 78% versus March's 83%. For more detailed information on March weather, visit Mossel Bay weather in March.

In comparing the weather of April and May, we observe that April generally experiences slightly higher temperatures, with an average of 18°C (65°F) and a maximum of 28°C (83°F), compared to May's average of 17°C (63°F) and a maximum of 27°C (80°F). While April is slightly warmer, it also has higher humidity at 82%, compared to May's 78%. Precipitation is more moderate in April with 22 mm (0.8 in) over 6 days, whereas May sees a bit more rainfall, totaling 43 mm (1.7 in) over 5 days. For a more detailed look at April's climate, check out Mossel Bay weather in April.

May generally enjoys warmer conditions than June, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 27°C (80°F), compared to June's minimum of 10°C (51°F) and maximum of 25°C (77°F). While both months experience relatively high humidity, May's average humidity is slightly higher at 78% compared to June's 77%. Additionally, May receives more precipitation, totaling 43 mm (1.7 in) over 5 days, whereas June sees only 24 mm (1.0 in) with rainfall on 6 days. For further details on June's weather specifically, visit Mossel Bay weather in June.

May generally offers a warmer climate compared to July, with average temperatures peaking at 17°C (63°F) and highs reaching 27°C (80°F), while July's average temperature is lower at 15°C (60°F) with a maximum of 25°C (77°F). Despite the cooler temperatures, July experiences only slightly less precipitation at 33 mm (1.3 in) over six days, compared to May’s 43 mm (1.7 in) over five days. Both months maintain an identical humidity level of 78%, indicating that the air remains equally moist, though the overall feel is fresher in July. For a detailed look at July weather conditions, visit Mossel Bay weather in July.

May typically enjoys a warmer climate compared to August, with average temperatures reaching 17°C (63°F), while August sees a cooler average of 15°C (59°F). May experiences maximum temperatures of 27°C (80°F), whereas August's highs peak at 25°C (78°F). While both months have relatively high humidity, May's is slightly higher at 78% compared to August's 76%. Moreover, precipitation increases in August, with 51 mm falling over 9 days, compared to May's 43 mm over 5 days. For more details on the weather specifics in August, check out Mossel Bay weather in August.

In comparing the weather between May and September, we observe a slight variation in temperature and precipitation patterns. May typically experiences a minimum temperature of 11°C (52°F) and an average of 17°C (63°F), with a maximum reaching 27°C (80°F). In contrast, September sees a minimum of 10°C (51°F) and an average of 16°C (60°F), with a warmer peak of 31°C (88°F). Both months have close humidity levels, with May at 78% and September slightly lower at 77%. Additionally, while May has about 43 mm (1.7 in) of precipitation over 5 days, September records about 49 mm (1.9 in) over 7 days, indicating a somewhat wetter month. For more specific information on September weather, you can check Mossel Bay weather in September.

In comparing the weather between May and October, we see subtle yet notable differences. Both months experience similar average temperatures, with May hovering around 17°C (63°F) and October slightly warmer at 17°C (62°F). However, October can reach higher maximum temperatures, peaking at 30°C (86°F) compared to May's maximum of 27°C (80°F). Precipitation is slightly higher in October, with 47 mm (1.9 in) over 8 days, compared to May's 43 mm (1.7 in) over 5 days. Humidity levels remain fairly constant, with May at 78% and October at 79%. For more specific insights into October weather, you can check Mossel Bay weather in October.

In May, the weather tends to be warm with average temperatures ranging from a minimum of 11°C (52°F) to a maximum of 27°C (80°F), and the month experiences a total precipitation of 43 mm (1.7 in) over about 5 days. In contrast, November offers slightly warmer temperatures, with a minimum of 12°C (55°F) and an average of 18°C (64°F), reaching highs of 26°C (80°F). However, November also sees more rain, accumulating 51 mm (2.0 in) across 8 days, making the month a bit wetter. Humidity levels are quite similar in both months, hovering around 78% for May and 77% for November. For a closer look at the weather in November, check out Mossel Bay weather in November.

May offers a milder climate with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 27°C (80°F), and an average temperature of 17°C (63°F). The month sees a moderate amount of rainfall at 43 mm (1.7 in) over about 5 days, accompanied by a humidity level of 78%. In contrast, December experiences slightly warmer weather, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 25°C (77°F), and an average of 19°C (67°F). Precipitation is lighter in December at 33 mm (1.3 in), though it can rain on 7 days, resulting in a similar humidity of 79%. For more details on December weather, you can check Mossel Bay weather in December.

Compare Mossel Bay's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Mossel Bay

As May unfolds in Mossel Bay, the weather begins a gentle shift towards the cooler months, with comfortable daytime temperatures around 17°C (63°F) and peaks reaching a warm 27°C (80°F). The average humidity of 78% adds a fresh quality to the air, accompanied by around 43 mm (1.7 in) of precipitation over five days. This month serves as a transition, offering a blend of sunny days and occasional rain that distinctly contrasts the drier, warmer preceding months. Whether you’re exploring the coastline or enjoying local festivities, May's weather provides a refreshing escape. For more detailed insights on what to expect throughout the year, check out the Mossel Bay Climate.