August Weather in George Town, Cayman Islands

Last updated: August 21, 2025

In August, the weather in George Town, Cayman Islands is characterized by warm and humid conditions. With maximum temperatures peaking at 30°C (87°F) and an average of 29°C (84°F), the tropical atmosphere is inviting yet balmy. The minimum temperature settles around 25°C (77°F), providing a comfortable nighttime retreat. However, travelers should be prepared for frequent rainfall, as the region experiences approximately 105 mm (4.1 in) of precipitation across 15 days. The humidity levels hover around 75%, enhancing the tropical feel and reminding visitors to stay hydrated while enjoying this beautiful Caribbean destination.

August Temperature in George Town

In August, George Town, Cayman Islands, enjoys the peak of summer warmth with temperatures that reflect the tropical charm of the Caribbean. The month starts off with a minimum of 25°C (77°F) and peaks at a delightful 30°C (87°F), showcasing an average of 29°C (84°F). This trend of rising temperatures is consistent with the summer months, as August experiences the highest averages compared to earlier months. With warm evenings and sunny days, it's the perfect time for outdoor adventures or lounging by the beach, making August a fantastic month to revel in the island’s vibrant atmosphere. As the summer winds down towards September, temperatures slightly ease, but the tropical heat remains inviting, ensuring that August holds onto its summer allure.

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

The chart illustrates August 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, August 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.

August Precipitation in George Town

August in George Town, Cayman Islands, marks a peak in precipitation, with 105 mm (or 4.1 inches) of rainfall recorded over 15 days. This increase follows a relatively dry July, emphasizing a trend where summer months generally experience higher rainfall, particularly as the region approaches the wetter fall season. Indeed, August’s precipitation nearly matches that of September, which sees a similar total of 104 mm. This pattern highlights the transition into the hurricane season, where precipitation often intensifies, culminating in a significantly wetter October. As such, visitors and residents alike should be prepared for frequent showers and the lush, vibrant landscapes that follow.

August Precipitation Trends in George Town

The chart displays monthly precipitation patterns in George Town, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In George Town, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec41251927130965810510424917446
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in George Town

In August, George Town, Cayman Islands, experiences a humidity level of 75%, maintaining a consistent trend observed throughout the summer months. Following a slight dip in May and June to 73%, humidity rebounds to the mid-70s, mirroring the percentages seen in July and the months that follow. This relative stability reflects the tropical climate’s typical patterns, where humidity hovers around a comfortable average before gradually increasing again towards the end of the year. As the islands gear up for a brief transition into autumn, residents and visitors alike can expect the balmy air of August to blend seamlessly with the warm Caribbean breezes, making it a quintessential summer experience.

August Average Humidity in George Town

This chart illustrates the average monthly humidity levels in George Town, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, 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 August generated using information from the Copernicus Climate Change Service.

August UV Index in George Town

In August, George Town, Cayman Islands, experiences a notably high UV Index of 13, classified as extreme, with a burn time of just 10 minutes. This trend of elevated UV levels, common during the summer months, peaks in April through August, consistently showcasing an extreme risk for sun exposure. Visitors and residents alike should take precautions to protect their skin, as hiking, lounging on the beach, or simply strolling through town entails a heightened risk of burns. Following the intense summer, the UV Index slightly declines in September and October, easing into more moderate levels, yet still demanding attention. For more information about UV exposure, check out George Town UV Index.

Maximum UV Index Levels in George Town for August

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

August Sunshine in George Town

In August, George Town basks in an impressive 335 hours of sunshine, perfectly embodying the height of summer. This month follows a trend of consistently abundant sunlight that peaks with July’s remarkable 349 hours. As the year progresses, sunshine hours gradually decline, yet August remains a vibrant blend of warmth and luminosity, showcasing a slight dip from July but still significantly brighter than the year's beginning. The overall pattern reveals that the Cayman Islands are a sun-drenched paradise, particularly in the summer months, promising plenty of opportunities for visitors to soak in the tropical brilliance.

Monthly Sunshine Duration in George Town: August Highlighted

The August sunshine duration represents the total number of hours George Town experiences direct sunlight during the month of August, excluding cloudy or obstructed periods. This chart compares the sunshine duration of August with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec246h299h338h342h339h321h349h335h322h295h289h302h
Data source: George Town August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in George Town During August

In August, George Town, Cayman Islands, sees a 48% chance of sunny weather, marking a dip compared to the preceding months of May (72%) and June (40%). This midsummer month showcases a notable decline in sunshine likelihood, particularly following the more favorable conditions of spring. While the sun might not be as generous in August, the overall trend suggests that brighter days are just around the corner, as the sun's presence tends to increase again in September (53%). Travelers looking to soak up some rays may still find opportunities for sun-drenched adventures, even if they are slightly less assured than earlier in the summer.

Percentage of Sunny Days in August in George Town

The chart illustrates the percentage of sunny days in George Town throughout the year, with August 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 August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in George Town in August

In August, George Town experiences a delightful 12 hours of daylight, which is a continuation of the summer trend observed in the preceding months. The daylight peaks in May through July with a maximum of 13 hours, indicating a vibrant and sun-soaked summer. As the days begin to shorten in September, daylight remains stable at 12 hours, highlighting a smooth transition into the fall season. This consistent daylight pattern not only enhances outdoor activities but also invites visitors to enjoy the region's beautiful beaches and attractions under the warm Caribbean sun. As the year winds down, daylight gradually decreases, aligning with the natural rhythm of the seasons.

Average Daylight Hours in George Town for August

The chart illustrates the variation in daylight duration in George Town throughout the year, with August 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.

August Winds in George Town

In August, George Town, Cayman Islands experiences moderate wind conditions, with average speeds of 5.9 m/s (13 mph). This month marks a slight increase from the calmer breezes of May through July, reflecting a gradual uptick in wind intensity as summer progresses. Compared to the earlier months of the year that boast sturdier winds, particularly January's average of 6.7 m/s (15 mph) and December's peak at 7.2 m/s (16 mph), August provides a pleasant balance for visitors seeking a mild ocean breeze while enjoying the sun-soaked shores. As the winds begin to soften moving into the fall months, with September and October witnessing the calmest days, August offers a sweet spot for those who appreciate gentle winds while soaking in the vibrant summer atmosphere.

Average August Wind Speed in George Town

The chart displays monthly wind speed patterns in George Town, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec6.76.86.56.45.55.75.85.9 m/s4.54.66.07.2
Data source: George Town August wind data, generated using information from the Copernicus Climate Change Service.

How August 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 August’s weather to other months in George Town, focusing on differences in temperature, rainfall, humidity, and UV levels.

August experiences warmer weather compared to January, with average temperatures around 29°C (84°F) and maximums reaching 30°C (87°F), while January's averages sit at a cooler 26°C (78°F) with maximums of 28°C (82°F). Additionally, August tends to be wetter, receiving 105 mm (4.1 in) of precipitation over about 15 days, compared to January's 41 mm (1.6 in) spread across 11 days. Despite the slight increase in average humidity levels—75% in August versus 77% in January—the more significant differences lie in temperature and rainfall. For a closer look at January's weather patterns, check out George Town weather in January.

August in George Town is characterized by warmer temperatures, with a minimum of 25°C (77°F) and an average of 29°C (84°F), reaching a maximum of 30°C (87°F). This month also experiences higher precipitation, totaling 105 mm (4.1 in) over approximately 15 days, contributing to its noticeably humid conditions with humidity levels around 75%. In contrast, February offers milder weather, featuring a minimum of 21°C (71°F) and an average of 26°C (79°F), peaking at 27°C (81°F). February sees significantly less rainfall, accumulating only 25 mm (1.0 in) over about 9 days, with humidity slightly lower at 76%. For more details, you can check George Town weather in February.

August and March present contrasting weather patterns in terms of temperature and precipitation. In August, temperatures are generally warmer, with averages around 29°C (84°F) and maxima reaching 30°C (87°F), while March offers slightly cooler conditions with average temperatures of 26°C (79°F) and a maximum of 28°C (82°F). August also sees significantly more rainfall, totaling 105 mm (4.1 in) over approximately 15 days, compared to the much drier March, which experiences only 19 mm (0.8 in) of precipitation across 6 days. Despite the higher temperatures, August maintains a humidity level of 75%, closely matching March's 74%. For more detailed information, you can explore George Town weather in March.

In comparing the weather between August and April, we observe that August tends to be warmer and wetter. In August, temperatures range from a minimum of 25°C (77°F) to a maximum of 30°C (87°F), with an average of 29°C (84°F). This month experiences significant rainfall, totaling 105 mm (4.1 in) over approximately 15 days. In contrast, April offers slightly cooler temperatures, with a minimum of 24°C (75°F) and a maximum of 28°C (83°F), averaging around 26°C (80°F). Precipitation in April is much lighter, totaling only 26 mm (1.0 in) over about 7 days. Both months have a consistent humidity level of 75%, creating a humid tropical environment. For more detailed information about the weather in April, you can refer to George Town weather in April.

When comparing the weather in August and May, we see that both months experience relatively warm temperatures, with August slightly warmer overall. In August, the minimum temperature is 25°C (77°F), with an average of 29°C (84°F) and a maximum reaching 30°C (87°F). In contrast, May has a minimum of 24°C (76°F) and an average of 27°C (81°F), peaking at 29°C (84°F). Precipitation is a common feature in both months, but May sees slightly more rain, totaling 130 mm (5.1 in) compared to August's 105 mm (4.1 in), both over 15 days. Humidity levels remain high, with August at 75% and May slightly lower at 73%. For more detailed information, you can check the George Town weather in May.

In August, the weather in George Town is slightly warmer than in June, with average temperatures rising to around 29°C (84°F) compared to June's 28°C (82°F). Both months experience similar minimum temperatures, but August can see a max of 30°C (87°F), while June peaks at 29°C (85°F). Precipitation is somewhat higher in August, with 105 mm (4.1 in) over 15 days, compared to June's 96 mm (3.8 in) over 12 days. Humidity levels are comparable, with August at 75% and June at 73%. For more detailed information, you can check George Town weather in June.

In comparing the weather patterns of July and August, we can see some notable differences. Both months experience similar minimum temperatures, with July slightly cooler at an average of 28°C (83°F), while August reaches an average of 29°C (84°F). The maximum temperatures remain consistent around 30°C (86°F in July and 87°F in August). However, August is significantly wetter, receiving 105 mm (4.1 in) of precipitation spread over 15 days, compared to July's 58 mm (2.3 in) over 14 days. Humidity levels remain constant at 75% for both months, creating a similar feel despite the increased rainfall in August. For a detailed look at July weather in George Town, you can visit George Town weather in July.

In August, temperatures generally range from a minimum of 25°C (77°F) to a maximum of 30°C (87°F), with an average of 29°C (84°F). The month sees approximately 105 mm (4.1 in) of rainfall spread over 15 days, accompanied by a consistent humidity level of 75%. In contrast, September experiences slightly warmer temperatures, starting at a minimum of 26°C (78°F) and maintaining a similar maximum of 30°C (86°F) while averaging slightly lower at 28°C (83°F). Precipitation remains comparable at 104 mm (4.1 in), although it occurs over 18 days, reflecting an increase in rainy days. Interestingly, humidity continues to hold steady at 75%. For a more detailed look at September weather specifics, check out George Town weather in September.

In comparing the weather of August and October, both months showcase warm temperatures, with October slightly cooler on average. August features a minimum temperature of 25°C (77°F) and averages around 29°C (84°F), along with a maximum of 30°C (87°F). In contrast, October maintains a similar minimum at 25°C (77°F) but has a slightly lower average of 28°C (82°F) and a maximum of 30°C (86°F). However, October experiences significantly more rainfall, accumulating 249 mm (9.8 in) over 22 days compared to August's 105 mm (4.1 in) over 15 days. The humidity remains consistent at 75% for both months, resulting in a similarly muggy atmosphere. For more detailed insights, check out George Town weather in October.

August and November in George Town present a transition from the peak of summer to the cusp of winter, with both months characterized by warm temperatures and notable humidity. In August, the temperature ranges from a minimum of 25°C (77°F) to a maximum of 30°C (87°F), with an average of 29°C (84°F). The month sees about 105 mm (4.1 in) of precipitation spread over 15 days, leading to a humidity level of 75%. In contrast, November offers slightly cooler temperatures, with a range from 24°C (76°F) to 29°C (84°F) and an average of 27°C (81°F). However, it experiences higher precipitation at 174 mm (6.8 in) over 17 days, resulting in a humidity increase to 78%. The weather in November can feel more wet and suspenseful compared to the drier heat of August. For a more detailed overview, check out George Town weather in November.

In August, the weather is noticeably warmer with average temperatures reaching 29°C (84°F) and a maximum of 30°C (87°F), accompanied by higher humidity levels at 75%. Additionally, August experiences more rainfall, with a total of 105 mm (4.1 in) spread across approximately 15 days. In contrast, December offers slightly cooler temperatures, with an average of 26°C (80°F) and a maximum of 28°C (83°F). Precipitation in December is significantly lower at 46 mm (1.8 in) over 12 days, while humidity increases slightly to 78%. For more details on December's weather, you can check out George Town weather in December.

Compare George Town's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in George Town

August in George Town offers a warm and humid escape, with temperatures consistently hovering around the average of 29°C (84°F). While the heat may be familiar, it's the increased precipitation, with about 105 mm of rain over 15 days, that sets this month apart from the drier spells of the year. This seasonal change contributes to the lush landscapes and vibrant atmosphere that characterize the island, making it an ideal time for those who enjoy a lively tropical climate. For more insights into the overall weather patterns, explore George Town Climate.