Last updated: February 24, 2025
August in Islamorada, United States offers a balmy tropical climate, characterized by an average temperature of 29°C (84°F), peaking at a maximum of 30°C (87°F). While you can expect warm days, the conditions are tempered by a minimum temperature of 25°C (78°F) at night. This month also sees moderate rainfall, with approximately 117 mm (4.6 in) spread across 18 days, contributing to a prevalent humidity level of 72%. Visitors should be prepared for potential showers while enjoying the vibrant marine and tropical landscapes that define this picturesque destination.
August in Islamorada showcases the heart of summer, with temperatures consistently warm and inviting. The minimum temperature hovers around 25°C (78°F), ensuring a balmy start to the day, while the average climbs to a comfortable 29°C (84°F). Peak daytime warmth reaches a pleasant 30°C (87°F), making beach days and outdoor adventures particularly enjoyable. As summer transitions toward fall, the stable warmth seen in August mirrors the trends established earlier in the season, with only slight fluctuations in temperature as the days remain long and the skies bright. This idyllic climate, combined with refreshing ocean breezes, creates the perfect setting for relaxation and exploration in the stunning Florida Keys.
August in Islamorada experiences a notable increase in precipitation, with 117 mm (4.6 inches) of rain over approximately 18 days. This rainfall is part of a trend that peaks in September, which sees the highest monthly total of 204 mm (8.0 inches). Compared to the earlier summer months, where July recorded 113 mm (4.4 inches) over the same number of days, August maintains a similar pattern of consistent rainfall, reflecting the region's tropical climate and the onset of the wetter season. As summer transitions toward fall, these precipitation levels underscore the importance of preparing for the lush, rain-soaked environment characteristic of Islamorada during this time.
In August, Islamorada experiences a humidity level of 72%, which reflects a slight increase compared to the drier summer months of June and July, recorded at 69% and 70% respectively. This uptick signals the beginning of the transition towards the more humid fall months, as September's humidity climbs back to 76%. Notably, humidity levels are highest during the winter months, peaking at 81% in January and December. Overall, the data illustrates a consistent seasonal pattern where humidity gradually descends from winter's peaks to summer's lows before rising again as the year progresses, creating a rich, tropical environment that characterizes the allure of this beautiful locale.
In August, the UV Index in Islamorada remains notably high, registering at 12, which falls into the extreme exposure category. This trend of soaring UV levels is consistent throughout the summer months, with both June and July showing similar indices. Consequently, residents and visitors alike should take caution, as the burn time is now a mere 10 minutes—a stark contrast to the longer burn times observed in the winter months like January and December. As the summer sun intensifies, it's crucial to prioritize sun safety in this vibrant Florida locale. For more detailed UV insights, visit Islamorada UV Index.
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August in Islamorada shines brightly with an impressive 334 hours of sunshine, contributing to a summer that basks in warmth and light. Following the peak sunshine of July, which recorded 341 hours, August maintains a luxurious glow that allows residents and visitors alike to enjoy the stunning coastal scenery and myriad of outdoor activities. The slightly diminished hours compared to July don’t detract from the overall radiant summer experience; instead, they mark a transition towards the more moderate conditions of autumn. As summer melds into fall with September's 313 hours, the gradual shift still offers plenty of delightful beach days, making August a perfect time to soak up the vibrant sun in this tropical paradise.
In August, the likelihood of experiencing sunny weather in Islamorada takes a noticeable dip, with only 26% chance of sunshine. This marks a stark contrast to the highs seen earlier in the year, particularly in February and March, where sunny days are nearly guaranteed at 67%. The summer months of June and July also reveal a trend toward cloudier conditions, plummeting to 17% and 25% respectively. As summer wanes into September, the chances of sun increase slightly to 33%, suggesting a transition back to the more favorable sunny weather typical of the fall months. Overall, August stands out as one of the more overcast periods in the annual cycle for this picturesque destination.
In August, Islamorada enjoys approximately 12 hours of daylight, marking a slight decline from the peak of 13 hours seen throughout May to July. This trend reflects a gradual transition towards shorter days as summer wanes, with daylight duration beginning to mirror the patterns of early spring. As the year progresses, the notable rising and falling of daylight hours creates a rhythmic cycle, enhancing the island’s vibrant atmosphere during the summer months while hinting at the approaching autumn's more subdued light. Each change in daylight not only dictates the island's activities but also beautifully frames the stunning landscapes that Islmoreda is renowned for.
In Islamorada, August brings a gentle breeze with an average wind speed of 5.0 m/s (11 mph), maintaining the island's laid-back atmosphere. This marked a slight increase from July's lull of 4.2 m/s (9 mph), indicating a subtle resurgence in wind as summer begins to wane. As the year progresses, wind speeds illustrate a noteworthy pattern: they tend to peak in the early months, with March and February averaging around 6.3 m/s (14 mph) and 6.1 m/s (14 mph) respectively, before gradually tapering off during the sweltering summer months. The transition into autumn sees another mild uptick in wind, with similar speeds returning in October, creating a refreshing change as locals and visitors alike enjoy the stunning coastal views that the breeze unveils.
The weather in Islamorada changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of August's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Islamorada and find detailed weather information for every month.
When comparing the weather conditions in August and January, we see notable differences in temperature and precipitation. August is characterized by consistently warm temperatures, with minimums of 25°C (78°F) and averages around 29°C (84°F), while January offers a cooler experience, with minimums dropping to 10°C (50°F) and average temperatures around 21°C (71°F). Precipitation is significantly higher in August, with 117 mm (4.6 in) spread over 18 days, compared to a mere 24 mm (0.9 in) over just 4 days in January. Interestingly, humidity remains relatively high in both months, peaking at 81% in January and slightly lower at 72% in August. For more specific details about January weather, you can refer to Islamorada weather in January.
In comparing the weather of August and February, it’s clear that August is significantly warmer and wetter. August temperatures range from a minimum of 25°C (78°F) to a maximum of 30°C (87°F), with an average of 29°C (84°F), accompanied by substantial precipitation of 117 mm (4.6 in) over 18 days. In contrast, February presents milder conditions, with temperatures from a low of 14°C (58°F) to a high of 26°C (79°F), averaging around 23°C (74°F). The month sees much less rain, totaling only 32 mm (1.3 in) across 7 days, while humidity levels are fairly similar in both months, with February at 79% and August at 72%. For a detailed look at February conditions, you can refer to Islamorada weather in February.
August and March present two distinct weather patterns. In August, temperatures are generally warmer, with a minimum of 25°C (78°F) and an average high of around 30°C (87°F). The month experiences significant rainfall, with 117 mm (4.6 in) over 18 days, contributing to a humid atmosphere with 72% humidity. In contrast, March offers a more comfortable climate, with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 26°C (80°F) and an average of 23°C (74°F). Precipitation is notably lower, totaling just 23 mm (0.9 in) across 3 days, and humidity is slightly higher at 76%. For more details on March weather, check out Islamorada weather in March.
When comparing the weather in August and April, a few notable differences emerge. August tends to be significantly warmer, with average temperatures around 29°C (84°F) compared to April's more moderate average of 25°C (77°F). Additionally, August experiences higher overall precipitation, totaling 117 mm (4.6 in) over 18 days, whereas April sees only 50 mm (2.0 in) across 9 days. While humidity levels are fairly similar in both months, hovering around 72% in August and 73% in April, the increased rainfall and warmer temperatures in August make it feel more oppressive. For more detailed insights, you can check out Islamorada weather in April.
In comparing the weather between August and May, one can observe a notable difference in temperature and precipitation patterns. August features higher minimum and average temperatures, with lows around 25°C (78°F) and averages reaching 29°C (84°F), whereas May tends to be slightly cooler, with minimums averaging 21°C (70°F) and overall averages of 26°C (79°F). Despite the warmer temperatures in August, it sees a lower total precipitation of 117 mm (4.6 in) compared to May's 157 mm (6.2 in), although it does experience more rainy days, totaling 18. Humidity levels remain similar between the two months, with August at 72% and May at 71%. For a more detailed look at May's weather, you can visit Islamorada weather in May.
When comparing the weather in August and June, it's clear that both months offer warm conditions, but with slight differences in temperature and precipitation. August has a minimum temperature of 25°C (78°F) and an average of 29°C (84°F), while June sees a slightly lower average of 28°C (82°F) and a maximum of 31°C (88°F). In terms of precipitation, August receives 117 mm (4.6 in) over 18 days, which is marginally less than June's 125 mm (4.9 in) during the same number of days. Humidity levels in August are higher at 72%, compared to June's 69%. For more details on June weather, you can refer to Islamorada weather in June.
In comparing the weather between July and August, both months experience warm temperatures, with July showing a slightly lower average of 28°C (83°F) compared to August’s average of 29°C (84°F). The high temperatures remain consistent, reaching a maximum of 31°C (87°F) in July and 30°C (87°F) in August. Precipitation is similar as well, with July experiencing 113 mm (4.4 in) over 18 days and August seeing a slight increase to 117 mm (4.6 in) over the same number of days. Humidity is also slightly higher in August at 72%, compared to 70% in July. For more details, you can check Islamorada weather in July.
In August, temperatures in Islamorada range from a minimum of 25°C (78°F) to an average of 29°C (84°F), with a maximum of 30°C (87°F). The month experiences a total precipitation of 117 mm (4.6 in) over 18 days, accompanied by a humidity level of 72%. In contrast, September sees a slight dip in average temperature, with similar minimum and maximum values (25°C and 30°C, respectively) and an average of 28°C (83°F). However, the month is notably wetter, with a total precipitation of 204 mm (8.0 in), also over 18 days, and higher humidity at 76%. For more detailed information, check out Islamorada weather in September.
In comparing the weather conditions of August and October, we observe a noticeable shift in temperature and humidity. August tends to be warmer, with average temperatures around 29°C (84°F) and a minimum of 25°C (78°F), while October sees a slight drop, boasting a minimum temperature of 18°C (65°F) but maintains a similar maximum of 30°C (86°F). Precipitation levels are comparable, with August receiving 117 mm (4.6 in) over 18 days and October slightly higher at 136 mm (5.3 in) over 17 days. Additionally, humidity increases in October to 79%, compared to 72% in August. For more insights, check out Islamorada weather in October.
In August, the weather is typically hot and humid, with temperatures ranging from a minimum of 25°C (78°F) to an average of 29°C (84°F) and reaching a maximum of 30°C (87°F). This month also experiences significant rainfall, with 117 mm (4.6 in) falling over 18 days. In contrast, November brings much cooler temperatures, with lows of 15°C (60°F), an average of 25°C (76°F), and highs of 28°C (83°F). Rainfall decreases to 71 mm (2.8 in) over just 10 days, and humidity slightly rises to 80%. This shift in weather makes November a more comfortable time for outdoor activities, as indicated in this resource: Islamorada weather in November.
August and December present contrasting weather conditions. In August, temperatures are notably higher, ranging from a minimum of 25°C (78°F) to an average of 29°C (84°F) and peaking at 30°C (87°F). This period is characterized by significant rainfall, accumulating 117 mm (4.6 in) over 18 days, alongside a humidity level of 72%. In stark contrast, December offers milder temperatures, with a minimum of 13°C (56°F), an average of 23°C (73°F), and a maximum of 26°C (79°F). Rainfall is considerably less, totaling only 42 mm (1.7 in) over just 6 days, while the humidity rises slightly to 81%. For those interested in a more detailed look at December weather patterns, check out Islamorada weather in December.
In August, Islamorada experiences a warm and humid climate that sets it apart from other months of the year. With average temperatures hovering around 29°C (84°F) and highs reaching up to 30°C (87°F), the sultry weather invites both relaxation and adventure. However, be prepared for frequent rain, as August boasts one of the highest precipitation totals, with about 117 mm (4.6 in) falling over approximately 18 days. This seasonal shift not only increases humidity levels to around 72% but also creates lush landscapes and vibrant marine life, making it a unique time to experience the beauty of this tropical paradise. To learn more about the recurring patterns affecting your visit, check out Islamorada Climate.