May Weather in Kiawah Island, United States

Last updated: February 24, 2025

May in Kiawah Island presents a delightful blend of warmth and occasional rain, making it a perfect time for outdoor activities. With maximum temperatures soaring to 29°C (85°F) and an average lingering around 23°C (74°F), the island basks in pleasant conditions. The minimum temperature dips to a comfortable 13°C (56°F) at night, perfect for relaxation. However, visitors should be prepared for some moisture, as the island receives about 75 mm (2.9 in) of rain over 7 days, resulting in a humidity level of 75%. This blend of warmth and occasional showers creates an inviting atmosphere for both adventure seekers and those looking to unwind amidst nature’s beauty.

May Temperature in Kiawah Island

In May, Kiawah Island springs to life with pleasant temperatures, marking a clear shift towards warmer weather. With minimums averaging 13°C (56°F) and thrilling highs reaching 29°C (85°F), this month beckons residents and tourists alike to enjoy its lush landscapes and outdoor activities. The overall average temperature rises to a comfortable 23°C (74°F), making it an ideal time for beach outings and nature walks. As the month compares to previous ones, it showcases a significant leap from April’s mild temperatures, signaling the onset of summer. The transition from the coolness of early spring to the warmth of late spring sets an inviting tone for anyone looking to experience the island's charms.

May Weather in Kiawah Island: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Kiawah Island, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec545760667378818179746357
Data source: Temperature data for Kiawah Island 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 Kiawah Island

May in Kiawah Island brings a moderate precipitation total of 75 mm (2.9 in), marking a slight decrease from the higher totals seen in April. With about 7 days of rain, this month maintains a balanced climate, creating lush landscapes just in time for early summer. Compared to the wetter months that follow, June and July, which see significant jumps in rainfall—111 mm (4.4 in) and 159 mm (6.2 in) respectively—May serves as a transitional period. The patterns reveal a gradual incline in precipitation as summer approaches, providing a glimpse into the island's seasonal shifts while still offering visitors ample clear days for outdoor activities amidst the refreshing ocean breezes.

May Precipitation Trends in Kiawah Island

The chart displays monthly precipitation patterns in Kiawah Island, 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.
JanFebMarAprMayJunJulAugSepOctNovDec588164917511115920919185103137
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Kiawah Island

In May on Kiawah Island, humidity levels drop to 75%, marking a noticeable decline from the higher averages of the winter months. This trend continues into June, where humidity remains consistent at 75%, suggesting a shift towards drier conditions as the island transitions into summer. Compared to the 81% and 79% observed in the previous months, May offers a more comfortable atmosphere for outdoor activities, setting the stage for delightful beach days. However, as the summer progresses, humidity begins to climb again, peaking at around 80% in July and 81% in August, indicating that while May presents a welcome respite, the balmy southern climate soon reclaims its humid character.

May Average Humidity in Kiawah Island

This chart illustrates the average monthly humidity levels in Kiawah Island, with May's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how May's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec86%81%81%79%75%75%80%81%83%78%85%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Kiawah Island

As the sun intensifies in May, Kiawah Island experiences an extreme UV Index of 11, compelling residents and visitors to take extra precautions against harmful sun exposure. This uptick from April's already high level signifies that burn times shrink to just 10 minutes, making it essential to seek shade or apply sunscreen frequently. Such trends illustrate a consistent surge in UV intensity as summer approaches, with similar extreme levels continuing into June, July, and August. This period demands vigilance, as even brief sun exposure can lead to burns. To understand the broader context, including monthly variations and safety tips, you can explore the full details at Kiawah Island UV Index.

Maximum UV Index Levels in Kiawah Island for May

The chart shows the monthly maximum UV Index (UVI) for Kiawah Island 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.
JanFebMarAprMayJunJulAugSepOctNovDec479101111111110864
Data source: Kiawah Island 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 Kiawah Island

In Kiawah Island, May shines brightly, offering an impressive 341 hours of glorious sunshine, making it one of the sunniest months of the year. Following the upward trend set by the previous months, this peak in daylight heralds the arrival of summer activities and outdoor adventures. As the sun rises higher, residents and visitors alike savor the warmth, with April's count of 314 hours providing a gentle introduction. June continues the sunny spectacle with 327 hours, but May stands out as the ideal month for basking in the sun's rays before the summer heat intensifies in July, which records the highest at 344 hours. With sunshine gradually decreasing thereafter, May offers a perfect balance—inviting all to enjoy its radiant days before the bustling summer sets in.

Monthly Sunshine Duration in Kiawah Island: May Highlighted

The May sunshine duration represents the total number of hours Kiawah Island 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.
JanFebMarAprMayJunJulAugSepOctNovDec192h220h285h314h341h327h344h319h303h292h247h222h
Data source: Kiawah Island May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kiawah Island During May

May in Kiawah Island presents a promising chance of sunny weather, with a 54% likelihood of sunshine. This marks a slight decrease from the previous month's 57% but remains higher than the summer months, where the chances fall to the 20s and 30s. Interestingly, as spring transitions into summer, May’s sunny outlook continues a generally favorable trend seen from March’s relatively lower 39%. Following April's improvement, May’s weather offers a pleasant opportunity to enjoy outdoor activities, especially before the seasonal dip that begins in June. Furthermore, the approaching summer months tend to exhibit increased cloud cover, making May a delightful window for sun-seekers in Kiawah Island.

Percentage of Sunny Days in May in Kiawah Island

The chart illustrates the percentage of sunny days in Kiawah Island 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 Kiawah Island experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec45%40%39%57%54%29%35%30%52%51%61%46%
Data source: Kiawah Island May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kiawah Island in May

In Kiawah Island, the month of May enjoys a delightful 13 hours of daylight, mirroring the previous month, April. This period marks the transition into summer, where daylight hours reach their peak in June with 14 hours, suggesting a gradual increase in brightness and warmth. The trend showcases a vibrant spring turning into an inviting summer, perfect for outdoor activities and basking in the sun. As the year progresses beyond May, daylight starts to recede, illustrating the cyclical nature of the seasons that keeps residents and visitors alike anticipating the long, sun-soaked days of summer.

Average Daylight Hours in Kiawah Island for May

The chart illustrates the variation in daylight duration in Kiawah Island throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 16m11h 1m12h13h13h 50m14h 14m14h 1m13h 16m12h 19m11h 19m10h 27m10h 1m
Data source: Kiawah Island daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Kiawah Island

In May, Kiawah Island enjoys a pleasantly mild average wind speed of 5.9 m/s (13 mph), slightly higher than the calming breezes of April. This gentle airflow is characteristic of spring’s transition to summer, providing perfect conditions for outdoor activities. As the temperatures rise in the coming months, the wind tends to soften, with July and August seeing the lowest speeds at 5.1 m/s (11 mph) and 4.7 m/s (10 mph), respectively. However, as autumn approaches, wind speeds begin to regain momentum, reaching back to 5.7 m/s (13 mph) in November. This cyclical pattern not only enhances the Island’s charm but also makes it an ideal retreat throughout the year, with each season offering a distinct feel with the winds that grace its shores.

Average May Wind Speed in Kiawah Island

The chart displays monthly wind speed patterns in Kiawah Island, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.05.85.85.65.9 m/s5.75.14.74.65.05.75.4
Data source: Kiawah Island May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Kiawah Island Compares to Other Months

The weather in Kiawah Island changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of May's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Kiawah Island and find detailed weather information for every month.

May and January exhibit striking contrasts in weather patterns. In May, temperatures range from a pleasant minimum of 13°C (56°F) to a warm average of 23°C (74°F), peaking at 29°C (85°F). The month experiences a higher humidity level of 75% along with 75 mm (2.9 in) of precipitation spread over 7 days. In contrast, January's temperatures are significantly cooler, with a minimum of -2°C (28°F), an average of 12°C (54°F), and a maximum of 20°C (69°F). Although January has slightly less precipitation at 58 mm (2.3 in), it is accompanied by a higher humidity of 86%. For more details on January weather, you can check out Kiawah Island weather in January.

When comparing the weather in May and February, notable differences emerge in both temperature and precipitation patterns. May features a much warmer climate, with average temperatures ranging from 13°C (56°F) to a maximum of 29°C (85°F), while February has cooler averages, with temperatures typically between 3°C (38°F) and 20°C (69°F). February also experiences slightly more precipitation, totaling 81 mm (3.2 in) across 10 days, compared to May's 75 mm (2.9 in) over 7 days. Additionally, February has a higher humidity level at 81% compared to May's 75%. For more details about the weather during February, you can visit Kiawah Island weather in February.

The weather in May is typically warmer and more pleasant than in March. May boasts a minimum temperature of 13°C (56°F) and an average high of 29°C (85°F), making it ideal for outdoor activities. In contrast, March starts with a cooler minimum of 3°C (38°F) and an average high of only 22°C (71°F). Although precipitation isn’t drastically different between the two months—with May receiving 75 mm (2.9 in) over 7 days and March slightly less at 64 mm (2.5 in) across 6 days—March experiences slightly higher humidity at 81%, compared to May’s 75%. For a detailed look at the conditions in March, you can refer to Kiawah Island weather in March.

In comparing the weather between April and May, we see a notable warming trend. May boasts higher temperatures, with a minimum of 13°C (56°F) and an average of 23°C (74°F), while April starts at a cooler minimum of 6°C (44°F) and has a lower average temperature of 19°C (66°F). Although both months experience rainfall on 7 days, April has a slightly higher precipitation total of 91 mm (3.6 in) compared to May's 75 mm (2.9 in). Humidity levels also fluctuate, with April at 79% and May slightly lower at 75%. For more insight into the conditions of April, check out this link: Kiawah Island weather in April.

When comparing the weather in May and June, you'll notice a gradual warming trend. In May, temperatures range from a minimum of 13°C (56°F) to a maximum of 29°C (85°F), with an average temperature of 23°C (74°F). The month experiences approximately 75 mm (2.9 in) of precipitation over about 7 days, while humidity remains relatively high at 75%. In contrast, June brings warmer temperatures, with min temperatures of 18°C (66°F) and highs reaching 30°C (86°F), resulting in an average of 26°C (79°F). However, June also sees an increase in precipitation, totaling 111 mm (4.4 in) over 16 days, maintaining the same humidity level of 75%. For more detailed insights into June weather, you can check out Kiawah Island weather in June.

May typically offers milder temperatures with a minimum of 13°C (56°F) and an average of 23°C (74°F), peaking at a comfortable 29°C (85°F). However, the month also sees about 75 mm (2.9 in) of precipitation over approximately 7 days, contributing to a relatively high humidity level of 75%.

In contrast, July brings a noticeable increase in warmth, featuring a minimum temperature of 23°C (74°F) and an average temperature of 27°C (82°F), with a maximum of 30°C (87°F). However, it also experiences significantly higher rainfall, totaling 159 mm (6.2 in) across 16 days, and an increase in humidity to 80%. For more detailed information about July weather, you can check this link: Kiawah Island weather in July.

In May, the weather tends to be mild and pleasant, with average temperatures around 23°C (74°F) and maximums reaching up to 29°C (85°F). Despite this, the month experiences around 75 mm (2.9 in) of precipitation over approximately 7 days, and humidity levels hover at 75%. In contrast, August brings a warmer atmosphere, as minimum temperatures rise to 23°C (74°F) and average temperatures settle at 27°C (82°F), with maximums slightly higher at 30°C (87°F). However, August is notably wetter, receiving 209 mm (8.2 in) of rainfall over 20 days, along with increased humidity levels at 81%. For more detailed information, you can check out the Kiawah Island weather in August.

May and September present distinct weather patterns. May typically showcases milder temperatures, with a minimum of 13°C (56°F) and an average high of 29°C (85°F), accompanied by moderate humidity at 75%. During this month, there is a total rainfall of 75 mm (2.9 in) spread over about 7 days. In contrast, September warms up slightly with minimum temperatures starting at 17°C (63°F) and average highs reaching 31°C (88°F), while the humidity rises to 83%. However, it experiences more rainfall, with 191 mm (7.5 in) over 13 days. For more insights about the weather in September, you can check Kiawah Island weather in September.

In comparing May and October weather, both months share a similar average temperature of 23°C (74°F) and experience maximum highs of 29°C (85°F). However, May tends to be slightly warmer at night with a minimum temperature of 13°C (56°F) compared to October's cooler minimum of 9°C (48°F). Precipitation is a notable factor, with May receiving about 75 mm (2.9 in) over 7 days, while October sees a bit more rain at 85 mm (3.4 in) spread across 10 days, resulting in higher humidity levels during October at 78%. For more specific details, you can explore the Kiawah Island weather in October.

May and November present contrasting weather patterns. In May, temperatures range from a minimum of 13°C (56°F) to a maximum of 29°C (85°F), with an average of 23°C (74°F). The month typically sees around 75 mm (2.9 in) of precipitation over 7 days, accompanied by a humidity level of 75%. In contrast, November experiences cooler temperatures, with a minimum of 4°C (39°F) and a maximum of 26°C (78°F), averaging 17°C (63°F). This month has a slightly higher precipitation total of 103 mm (4.1 in) spread across 8 days, and humidity rises to 85%. For more details on November weather, check out Kiawah Island weather in November.

May typically enjoys warmer temperatures, with averages around 23°C (74°F) and highs reaching up to 29°C (85°F), while December presents cooler conditions, averaging 14°C (57°F) with maximums of 22°C (72°F). Precipitation is also a consideration; May sees about 75 mm (2.9 in) over approximately 7 days, whereas December experiences a higher rainfall total of 137 mm (5.4 in) across 9 days. Additionally, humidity levels are slightly higher in December at 87% compared to 75% in May, making the winter month feel a bit more damp. For a detailed look at December's climate, visit Kiawah Island weather in December.

Compare Kiawah Island's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Kiawah Island

As spring transitions into summer, May brings warmer temperatures to Kiawah Island, with averages notably higher than earlier months. This month showcases a pleasant mix of sunny days and comfortable evenings, although occasional rain—with about a week's worth of wet weather—reminds visitors of the island's lush landscapes. The humidity levels tend to be high, which adds to the tropical feel but is generally manageable. Overall, May offers a vibrant and inviting climate, perfect for outdoor activities and enjoying the natural beauty of Kiawah Island, setting the stage for the warmer months ahead. For more detailed insights, check out the guide on Kiawah Island Climate.