May Weather in George Town, Cayman Islands

Last updated: August 21, 2025

May in George Town, Cayman Islands offers a vibrant tropical experience characterized by warm temperatures and occasional rain. With daily highs reaching a pleasant 29°C (84°F) and an average temperature around 27°C (81°F), visitors can enjoy the island's beauty under sunny skies. However, as the month progresses, expect 130 mm (5.1 in) of rainfall spread over approximately 15 days, contributing to the lush landscapes. Humidity levels hover around 73%, adding to the tropical feel. Whether you’re exploring the beaches or savoring local cuisine, May provides an inviting escape in this Caribbean paradise.

May Temperature in George Town

In May, George Town, Cayman Islands, basks in warm temperatures that signal the onset of summer. The month starts with a minimum of 24°C (76°F), gradually inching towards an average of 27°C (81°F), and peaking at a delightful 29°C (84°F). As the temperatures steadily rise from the milder conditions of previous months, May sets the perfect stage for beachgoers and outdoor enthusiasts alike. The gentle progression from April's warmth to May's summer-like heat establishes a pattern that continues into the sweltering months ahead, making it an ideal time to enjoy the beauty of the island under plenty of sunshine.

May Weather in George Town: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in George Town, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In George Town, 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).
JanFebMarAprMayJunJulAugSepOctNovDec787978808182838483828179
Data source: Temperature data for George Town 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 George Town

In May, George Town experiences a significant shift in precipitation, with a substantial 130 mm (5.1 in) of rain falling over 15 days. This marks a notable increase compared to the drier months earlier in the year, with January through April averaging only about 28 mm. The abundant rainfall in May sets the stage for the wet season, as the island transitions into June, which also receives considerable precipitation at 96 mm (3.8 in). This trend highlights May as a pivotal month, where the landscape flourishes under the lush embrace of rain, while simultaneously foreshadowing the wetter months ahead. Such seasonal patterns greatly influence local ecosystems and activities, making May an essential time for both growth and preparation.

May Precipitation Trends in George Town

The chart displays monthly precipitation patterns in George Town, 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 George Town, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec41251927130965810510424917446
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in George Town

May in George Town, Cayman Islands, marks a subtle transition in humidity levels, with an average of 73%—notably lower than the earlier months of the year. This slight dip in moisture follows a pattern, as January through April showcase higher humidity levels, peaking at 77% in January. As the season progresses into June, humidity remains consistent at 73%, hinting at the stability of the tropical climate. Interestingly, this may set the stage for the upcoming wetter months, where humidity begins to rise again, culminating in 78% by November and December. Overall, May's moderate humidity provides a comfortable backdrop for visitors and residents alike, blending the lingering warmth of spring with the anticipation of summer.

May Average Humidity in George Town

This chart illustrates the average monthly humidity levels in George Town, 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 George Town is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%76%74%75%73%74%75%75%75%75%78%78%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in George Town

In May, George Town, Cayman Islands experiences a very high UV Index of 13, maintaining the extreme exposure category that starts in February. With a consistent burn time of just 10 minutes, the sun's intensity underscores the importance of protective measures. This trend of elevated UV levels continues through June and August, ensuring that sunscreen and shade are frequent companions for sun seekers. As the region approaches the summer months, the UV Index remains high, reinforcing the need for vigilance while enjoying the beautiful Caribbean sun. For more detailed insights, check the full George Town UV Index.

Maximum UV Index Levels in George Town for May

The chart shows the monthly maximum UV Index (UVI) for George Town 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 George Town typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911121313131213121198
Data source: George Town 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 George Town

May in George Town, Cayman Islands, shines with an impressive 339 hours of sunshine, continuing the trend of bright and warm conditions that begin to peak in the spring months. Following a steady increase from January's 246 hours, the sunshine hours rise significantly through April, creating an inviting ambience for locals and visitors alike. While May tones down slightly from the sun-drenched July peak at 349 hours, it still enjoys a remarkable stretch of sun, providing the perfect backdrop for beach days and exploration. With the sun's steady presence, it's no wonder that the allure of George Town remains strong during this vibrant month.

Monthly Sunshine Duration in George Town: May Highlighted

The May sunshine duration represents the total number of hours George Town 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.
JanFebMarAprMayJunJulAugSepOctNovDec246h299h338h342h339h321h349h335h322h295h289h302h
Data source: George Town May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in George Town During May

May in George Town, Cayman Islands, offers a promising 72% chance of sunny weather, making it one of the more favorable months for basking in the sun. This percentage follows a generally positive trend established during the early months of the year, with January starting at 55% and steadily rising to April's 62%. After May, the sunshiny days take a dip, with June plummeting to just 40%. Overall, as the year progresses, May stands out as a delightful opportunity for those seeking warmth and sunshine before the summer heat takes its toll. So, whether you’re planning a beach day or an outdoor adventure, May is an ideal time to soak in the beautiful rays in George Town.

Percentage of Sunny Days in May in George Town

The chart illustrates the percentage of sunny days in George Town 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 George Town experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec55%78%79%62%73%40%51%48%53%45%36%70%
Data source: George Town May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in George Town in May

As spring unfolds in George Town, Cayman Islands, May ushers in a delightful increase in daylight duration, reaching an impressive 13 hours. This marks the peak of hours enjoyed since the onset of the year. Following a gradual rise from 11 hours in January and February to 12 hours in March and April, May’s longer days set the stage for summer. Throughout the coming months of June and July, daylight remains steady at this vibrant 13-hour mark, allowing residents and visitors alike to bask in the tropical sun. As summer gives way to fall in August and September, daylight begins to taper off gently to 12 hours, reminding us of the cyclical nature of the seasons in this picturesque destination.

Average Daylight Hours in George Town for May

The chart illustrates the variation in daylight duration in George Town throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 5m11h 30m12h 2m12h 35m13h 2m13h 15m13h 8m12h 44m12h 12m11h 40m11h 12m10h 58m
Data source: George Town daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in George Town

In George Town, Cayman Islands, the month of May marks a shift in the wind patterns, with an average wind speed of 5.5 m/s (12 mph), making it one of the calmer months of the year. Following a steady decline from April's 6.4 m/s (14 mph), May presents a noticeable dip before a gradual increase in the summer months. This trend showcases a typical transition into the warmer season, as the winds begin to pick up slightly in June and July, averaging 5.7 m/s (13 mph) and 5.8 m/s (13 mph), respectively. The overall pattern indicates that while May is relatively mild, the ensuing months will see the winds start to energize, paving the way for vibrant summer days and lively tropical breezes.

Average May Wind Speed in George Town

The chart displays monthly wind speed patterns in George Town, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.76.86.56.45.5 m/s5.75.85.94.54.66.07.2
Data source: George Town May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in George Town Compares to Other Months

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

In May, the weather tends to be warmer and more humid compared to January, with average temperatures reaching 27°C (81°F) and highs of 29°C (84°F). This month also sees significantly more precipitation, totaling 130 mm (5.1 in) over approximately 15 days, resulting in a humidity level of 73%. In contrast, January is milder, with average temperatures of 26°C (78°F) and maximums around 28°C (82°F). Precipitation is also lower in January, at 41 mm (1.6 in) over about 11 days, contributing to a slightly higher humidity of 77%. For more details on January weather, you can visit George Town weather in January.

In February, the weather in George Town is quite mild, with temperatures ranging from a minimum of 21°C (71°F) to a maximum of 27°C (81°F) and an average of 26°C (79°F). With only 25 mm (1.0 in) of precipitation over 9 days, February tends to be drier compared to May. In contrast, May experiences warmer temperatures, with a minimum of 24°C (76°F) and a maximum of 29°C (84°F), averaging 27°C (81°F). However, May is significantly wetter, receiving 130 mm (5.1 in) of precipitation over 15 days, and humidity levels remain relatively high in both months, at 73% in May and 76% in February. For more detailed weather information, you can check George Town weather in February.

In comparing the weather of May and March, it is evident that both months maintain warm temperatures, with March having slightly cooler averages; March records a minimum temperature of 23°C (74°F) and an average of 26°C (79°F), while May features a minimum temperature of 24°C (76°F) and an average of 27°C (81°F). Additionally, May experiences significantly more precipitation, totaling 130 mm (5.1 in) over 15 days, compared to March's 19 mm (0.8 in) spread over just 6 days. Both months share similar humidity levels, with March slightly lower at 74% compared to May's 73%. For a more detailed look at March weather, visit George Town weather in March.

In comparison to April, May experiences slightly warmer temperatures, with a minimum of 24°C and an average of 27°C, where April’s figures are a minimum of 24°C and an average of 26°C. May also sees a higher maximum temperature, reaching 29°C compared to April's 28°C. However, the increase in warmth comes with a significant rise in precipitation; May witnesses 130 mm of rain over 15 days, while April only has 26 mm over 7 days. Despite the humidity remaining relatively similar at 73% in May and 75% in April, the overall weather conditions in May are notably wetter. For a closer look at April's weather, you can visit George Town weather in April.

In comparing the weather of May and June, both months exhibit warm temperatures, with May having a minimum of 24°C (76°F) and an average of 27°C (81°F), while June slightly increases to a minimum of 25°C (77°F) and an average of 28°C (82°F). Both months experience similar maximum temperatures, capping at around 29°C (84°F) in May and 29°C (85°F) in June. However, June sees a reduction in precipitation, with 96 mm (3.8 in) over 12 days compared to May's 130 mm (5.1 in) over 15 days, indicating a slightly drier climate as summer begins. Humidity remains consistent at 73% for both months, contributing to the tropical feel of the region. For a more detailed look at June's weather, check out George Town weather in June.

In comparing the weather between May and July, we observe that both months feature warm temperatures, with July experiencing slightly higher averages. May has a minimum temperature of 24°C (76°F) and an average of 27°C (81°F), while July has a minimum of 25°C (78°F) and an average of 28°C (83°F). Additionally, July is typically drier, with only 58 mm (2.3 in) of precipitation compared to May's 130 mm (5.1 in), despite similar numbers of rainy days. The humidity levels are similar as well, with May at 73% and July at 75%. For more detailed information, check out George Town weather in July.

May and August present a warm tropical climate, although with slight variations in temperature and precipitation. In May, temperatures range from a minimum of 24°C (76°F) to a maximum of 29°C (84°F), with an average of 27°C (81°F). During this month, rainfall is more significant, totaling about 130 mm (5.1 in) across approximately 15 days, and the humidity stands at 73%.

In contrast, August tends to be slightly warmer, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 30°C (87°F) and an average of 29°C (84°F). The precipitation in August is less intense, totaling 105 mm (4.1 in) over the same number of rainy days, with humidity remaining relatively high at 75%. For more detailed information on the weather in August, you can visit George Town weather in August.

In May, the weather typically features warm temperatures with a minimum of 24°C (76°F), averaging around 27°C (81°F) and peaking at a maximum of 29°C (84°F). This month experiences considerable rainfall, with 130 mm (5.1 in) spread over 15 days and humidity levels around 73%.

In contrast, September sees slightly higher temperatures, with a minimum of 26°C (78°F) and an average of 28°C (83°F), climbing to a maximum of 30°C (86°F). Although September has a lower total precipitation of 104 mm (4.1 in), it spans 18 days of rainfall, resulting in a humidity level of 75%.

For more detailed information, you can visit the following link: George Town weather in September.

In comparing the weather between May and October, both months exhibit warm temperatures, with October experiencing slightly higher averages. May sees a minimum temperature of 24°C (76°F) and an average of 27°C (81°F), while October starts at 25°C (77°F) and averages 28°C (82°F). However, October also brings increased precipitation, with 249 mm (9.8 in) of rainfall across 22 days, compared to May’s 130 mm (5.1 in) over 15 days. Humidity levels are similarly high, at 73% in May and slightly elevated at 75% in October. For more detailed insights into October weather, you can explore George Town weather in October.

May and November share similar temperature ranges, with both months featuring a minimum of 24°C (76°F), an average of 27°C (81°F), and a maximum of 29°C (84°F). However, November tends to be wetter, receiving approximately 174 mm (6.8 in) of rainfall over 17 days compared to May's 130 mm (5.1 in) over 15 days. Additionally, humidity levels are slightly higher in November at 78%, compared to May's 73%. For more detailed information on November's weather, you can visit George Town weather in November.

May and December exhibit notably similar temperatures, with May experiencing slightly warmer conditions. In May, temperatures range from a minimum of 24°C (76°F) to a maximum of 29°C (84°F), averaging around 27°C (81°F). In contrast, December's temperatures fluctuate between 23°C (73°F) and 28°C (83°F), with an average of 26°C (80°F). While May sees higher precipitation levels, with 130 mm (5.1 in) over 15 days, December has significantly less rainfall at 46 mm (1.8 in) across 12 days. Humidity in December is slightly higher at 78% compared to May's 73%. For more detailed insights on December weather, check out George Town weather in December.

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Conclusion: What to Expect From May Weather in George Town

As May unfolds in George Town, it brings warmer temperatures and a notable increase in humidity, setting it apart from the cooler months. With an average of 27°C (81°F), the air feels richer and more tropical, perfect for beach enthusiasts. However, this month also experiences considerable rainfall, with about 130 mm spread over 15 days, contrasting sharply with drier months. This means visitors should be prepared for some refreshing showers, which add to the lush landscape. For detailed insights into the year-round conditions, explore the complete George Town Climate guide.