May Weather in Port Royal, United States

Last updated: February 24, 2025

In May, Port Royal, United States, experiences a dynamic blend of weather characteristics, with maximum temperatures soaring up to 38°C (100°F) and a comfortable average of 24°C (75°F). As the month progresses, temperatures can dip to a minimum of 9°C (49°F), showcasing the region's diverse climate. With 93 mm (3.7 in) of precipitation spread over 11 days, residents can expect some rainy interludes amidst the warmth. The humidity level remains relatively high at 75%, adding to the tropical feel of the season, making May a month of vibrant contrasts for this coastal locale.

May Temperature in Port Royal

In May, Port Royal, United States, experiences a notable transition into warmer weather, with minimum temperatures rising to 9°C (49°F) and an average of 24°C (75°F). This month stands out as temperatures soar to a maximum of 38°C (100°F), marking one of the hottest periods of the year. Compared to earlier months, such as April with its milder average of 19°C (67°F), May ushers in a significant warmth that signals the approach of summer. The shift not only enhances outdoor activities but also brings a vibrant energy to the region, making it an ideal time for sun-seekers and adventurers alike to explore all that Port Royal has to offer.

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

The chart illustrates May temperature patterns in Port Royal, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec525761677479828178715854
Data source: Temperature data for Port Royal generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Port Royal

May marks a notable peak in precipitation for Port Royal, United States, with an average rainfall of 93 mm (3.7 in) over 11 days. This slight increase from April's 90 mm highlights the transition to a wetter summer season, setting the stage for June's substantial leap to 139 mm. Interestingly, as spring progresses into summer, the frequency of rainy days also rises, with May experiencing one of its higher totals before the torrential downpours of July and August. This trend reflects the region's seasonal patterns, where late spring showers play a crucial role in replenishing local waterways and nurturing the vibrant flora ahead of the steamy summer months.

May Precipitation Trends in Port Royal

The chart displays monthly precipitation patterns in Port Royal, 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.
JanFebMarAprMayJunJulAugSepOctNovDec59786790931391741841207583116
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Port Royal

In May, Port Royal experiences a noticeable decline in humidity, with levels dropping to 75%. This decrease marks a continuation of the downward trend observed from the previous months, where humidity gradually fell from a high of 86% in January to 79% in April. The mild weather in May sets the stage for the upcoming summer heat, as humidity levels stabilize before slightly rising again in the summer months of July and August. Overall, May serves as a transition from the cooler, more humid spring into the more typical conditions of the summer season, providing a comfortable atmosphere for both residents and visitors.

May Average Humidity in Port Royal

This chart illustrates the average monthly humidity levels in Port Royal, 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 Port Royal

In May, residents and visitors of Port Royal experience a substantial increase in solar intensity, highlighted by a UV Index of 11, categorized as extreme. This marks the peak of a gradual rise that began in January with a moderate index of 4. As spring transitions to summer, the burn time shrinks to just 10 minutes, emphasizing the urgent need for sun protection. Following closely in June, July, and August, this extreme UV Index remains constant, suggesting a summer of potent sun exposure. As the months progress toward autumn, the index starts to decline, easing back to very high levels by September. For those enjoying the sunny vibes of Port Royal, staying sun-safe is crucial during these high UV periods—check out more details on the Port Royal UV Index.

Maximum UV Index Levels in Port Royal for May

The chart shows the monthly maximum UV Index (UVI) for Port Royal 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: Port Royal 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 Royal

May shines brightly in Port Royal, United States, as the transition into summer brings 338 hours of glorious sunshine. This is a notable increase from the 309 hours observed in April, marking a trend of escalating daylight as the months progress. Following the pattern established in recent months, May's radiant days set the stage for an even sunnier June, which typically showcases 321 hours. As the spring months unfold, it’s clear that Port Royal basks in longer days, inviting residents and visitors alike to relish the warmth and beauty of the season’s vibrant outdoor experiences.

Monthly Sunshine Duration in Port Royal: May Highlighted

The May sunshine duration represents the total number of hours Port Royal 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.
JanFebMarAprMayJunJulAugSepOctNovDec192h214h282h309h338h321h347h318h304h294h253h218h
Data source: Port Royal May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Port Royal During May

In Port Royal, United States, the month of May boasts a 53% chance of sunny weather, making it a promising time for outdoor activities. This slight dip from April's 54% suggests a trend of fluctuating sunshine as the year progresses; notably, the spring months offer a more favorable outlook compared to the oppressive heat of summer, where June and July see chances plummet to 27% and 30%, respectively. Interestingly, as the year winds down, November shines brightly with a high of 63% sunny days, hinting at a seasonality in weather patterns. Overall, while May's sunny probability hovers just above the seasonal average, it remains a delightful opportunity to enjoy the outdoors before the summer heat takes hold.

Percentage of Sunny Days in May in Port Royal

The chart illustrates the percentage of sunny days in Port Royal 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 Royal experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec44%37%38%54%53%28%30%28%52%50%63%42%
Data source: Port Royal May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Port Royal in May

As spring transitions into summer in Port Royal, May heralds a delightful increase in daylight, offering 13 hours of sunlight. This month stands as a peak in the gradual ascent of daylight hours, which begins in January with just 10 hours. The increase is particularly noticeable as daylight extends from 11 hours in February to 12 hours in both March and April, creating a steady ramp-up that culminates in May. Following this surge, June and July bring even longer days at 14 hours, showcasing the region’s vibrant seasonal shift. As summer gives way to fall, daylight begins to taper off, dipping back to 12 hours in September and returning to 10 hours by November. This rhythmic ebb and flow of daylight not only reflects the changing seasons but also enhances outdoor activities and enjoyment among the community.

Average Daylight Hours in Port Royal for May

The chart illustrates the variation in daylight duration in Port Royal 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 1m12h12h 59m13h 49m14h 14m14h13h 16m12h 19m11h 19m10h 28m10h 2m
Data source: Port Royal daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Port Royal

In Port Royal, the wind in May carries a steady average of 3.4 m/s (8 mph), continuing the consistent breezy conditions that the area showcases throughout the spring months. Notably, the velocities linger around similar levels from January to April, with March and April notably sharing a peak at 3.5 m/s (8 mph). As the seasons transition into summer, a gentle decline in wind speed can be observed, tapering to 3.1 m/s in June and further dropping into the heat of summer. This trend highlights a propensity for calmer winds in the warmer months, inviting both locals and visitors alike to enjoy the tranquil coastal ambiance that characterizes the region.

Average May Wind Speed in Port Royal

The chart displays monthly wind speed patterns in Port Royal, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.43.33.53.53.4 m/s3.12.72.52.42.73.13.1
Data source: Port Royal May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Port Royal Compares to Other Months

The weather in Port Royal 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 Port Royal and find detailed weather information for every month.

When comparing the weather in May and January, distinct differences become evident. In May, temperatures range from a mild 9°C (49°F) at night to a warm 38°C (100°F) during the day, with an average of 24°C (75°F). The month experiences around 93 mm (3.7 in) of precipitation over 11 days and a humidity level of 75%. In contrast, January sees colder temperatures, with a minimum of -11°C (13°F) and a maximum of 26°C (80°F), averaging at 11°C (52°F). Precipitation is lighter in January, totaling 59 mm (2.3 in) across just 6 days, alongside a higher humidity of 86%. For a deeper look into January's climate specifics, you can refer to Port Royal weather in January.

The weather in May is significantly warmer compared to February, with average temperatures reaching 24°C (75°F) and a maximum of up to 38°C (100°F), while February experiences much cooler averages at 14°C (57°F) and a peak of 29°C (84°F). Additionally, May sees higher precipitation levels, with 93 mm (3.7 in) over 11 days, compared to February's 78 mm (3.1 in) across 9 days. Despite the slightly lower humidity in May, averaging 75%, it still feels quite muggy compared to February’s 81%. For more details, check Port Royal weather in February.

When comparing the weather in May and March, it's evident that May experiences significantly warmer temperatures, with the average reaching 24°C (75°F) and a maximum of up to 38°C (100°F). In contrast, March has a milder average temperature of 16°C (61°F) and a peak of 32°C (90°F). Additionally, May receives more precipitation, totaling 93 mm (3.7 in) over 11 days, compared to March's 67 mm (2.6 in) over just 7 days. While both months have high humidity levels, March is slightly more humid at 81% compared to May's 75%. For more detailed information on March weather, visit Port Royal weather in March.

In comparing the weather of May and April, May generally showcases warmer temperatures, with an average of 24°C (75°F) and a peak reaching up to 38°C (100°F), compared to April’s average of 19°C (67°F) and maximum of 33°C (91°F). While both months experience similar levels of precipitation, May has slightly more at 93 mm (3.7 in) over 11 days, compared to April’s 90 mm (3.6 in) over 7 days. Humidity levels remain relatively high in both months, although May is slightly less humid at 75% compared to April's 79%. For a detailed look at April weather, you can visit Port Royal weather in April.

May and June display notable differences in weather patterns, particularly in temperature and precipitation. In May, temperatures range from a mild minimum of 9°C (49°F) to a scorching maximum of 38°C (100°F), with an average of 24°C (75°F). This month experiences 93 mm (3.7 in) of precipitation over 11 days, accompanied by a steady humidity level of 75%. In contrast, June brings warmer minimum temperatures starting at 16°C (61°F) and slightly higher averages at 26°C (79°F), peaking at 36°C (97°F). However, it also sees increased rainfall, with 139 mm (5.5 in) over 18 days, maintaining the same humidity level of 75%. For more details, you can refer to Port Royal weather in June.

May and July present distinct weather profiles, with May experiencing more variation in temperature. In May, temperatures range from a cool minimum of 9°C (49°F) to a hot maximum of 38°C (100°F), averaging around 24°C (75°F). The month also sees significant rainfall, with 93 mm (3.7 in) of precipitation over 11 days and a humidity level of 75%. Conversely, July tends to be warmer and more humid, with a minimum temperature of 20°C (69°F) and a maximum of 36°C (98°F), averaging 28°C (82°F). Rainfall is more frequent in July, totaling 174 mm (6.8 in) over 19 days, along with slightly higher humidity at 80%. For more detailed insights into July weather, visit Port Royal weather in July.

May and August exhibit distinct weather patterns, characterized by differences in temperature, precipitation, and humidity. In May, temperatures range from a cool minimum of 9°C (49°F) to a hot 38°C (100°F), with an average of 24°C (75°F). During this month, the region experiences 93 mm (3.7 inches) of rainfall over 11 days, with humidity levels at 75%. In contrast, August features a milder minimum temperature of 21°C (69°F) and an average of 27°C (81°F), with a maximum of 37°C (99°F). This summer month sees greater precipitation, totaling 184 mm (7.3 inches) across 22 days, and slightly higher humidity at 81%. For more insights, you can explore Port Royal weather in August.

In May, temperatures range from a minimum of 9°C (49°F) to a maximum of 38°C (100°F), with an average of 24°C (75°F). The month sees around 93 mm (3.7 in) of precipitation over 11 days, while humidity levels hover around 75%. In contrast, September experiences slightly milder temperatures, with a minimum of 14°C (57°F) and a maximum of 35°C (96°F), averaging 26°C (78°F). The precipitation increases to 120 mm (4.7 in) over 14 days, and humidity rises to 83%. This shows that while both months have distinct warmth, September tends to be wetter and more humid. For a detailed look at September weather specifically, you can visit Port Royal weather in September.

May and October present quite different weather profiles, showcasing the transitions of spring and autumn. In May, temperatures range from a minimum of 9°C (49°F) to a maximum of 38°C (100°F), with an average of 24°C (75°F), reflecting the warmth and vibrancy of late spring. This month also experiences 93 mm (3.7 in) of precipitation over 11 days, combined with high humidity at 75%, making it feel quite muggy.

Conversely, October sees cooler temperatures, with a minimum of 3°C (38°F) and a maximum of 34°C (93°F), while maintaining a comfortable average of 22°C (72°F). The month receives less rainfall, totaling 74 mm (2.9 in) over 9 days, though humidity slightly increases to 78%. This creates a crisp and refreshing atmosphere that starkly contrasts with the sultry feel of May. For those interested in more details on October weather, you can check Port Royal weather in October.

May and November present contrasting weather experiences. In May, temperatures range from a comfortable 9°C (49°F) to a scorching high of 38°C (100°F), with an average of 24°C (75°F). The month sees significant humidity at 75% and notable rainfall, totaling 93 mm (3.7 in) over 11 days. In contrast, November brings cooler temperatures, with a minimum of -1°C (31°F) and a maximum of 30°C (86°F), averaging 15°C (59°F). The precipitation is slightly lower at 83 mm (3.3 in), occurring over just 8 days, and the humidity rises to 85%. For more detailed information on the weather in November, visit Port Royal weather in November.

May and December present contrasting weather patterns, reflecting the transition between spring and winter. In May, temperatures generally range from a mild 9°C (49°F) at night to a scorching 38°C (100°F) during the day, with an average of 24°C (75°F). The month sees about 93 mm (3.7 in) of precipitation over 11 days and a humidity level of 75%, creating a warm and somewhat humid atmosphere.

In contrast, December experiences cooler temperatures, with lows reaching -3°C (26°F) and daytime highs averaging 12°C (54°F), peaking at 26°C (79°F). This month receives slightly more precipitation at 116 mm (4.6 in) across 9 days, and the humidity is higher at 87%, contributing to a chilly and damp environment. For more detailed insights on December weather, you can visit Port Royal weather in December.

Compare Port Royal's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Port Royal

May in Port Royal marks a distinct transition as temperatures begin to rise, offering a comfortable average that invites outdoor activities. Unlike the cooler months, the warmth can peak at a sizzling 38°C, while the increased humidity elevates the tropical feel of the atmosphere. Although May sees frequent rain, contributing to the 93 mm of precipitation over 11 days, it’s part of what makes the landscape lush and vibrant. This month truly embodies the shift toward a warmer climate, setting the stage for the summer ahead. For more detailed insights on seasonal trends, check out Port Royal Climate.