August Weather in Florida, Puerto Rico

Last updated: October 30, 2025

August in Florida and Puerto Rico unveils a tropical paradise characterized by warm temperatures and high humidity. With daily maximums reaching a balmy 32°C (90°F) and an average of 26°C (80°F), visitors can expect sun-soaked days perfect for beach outings. However, as the month progresses, the likelihood of rain increases, with 20 days of precipitation totaling 111 mm (4.4 in), making it vital to stay prepared for sudden showers. Humidity levels hover around a steamy 80%, creating a quintessential Caribbean atmosphere that delights those embracing the heat.

August Temperature in Florida

In August, Florida and Puerto Rico bask in warm tropical temperatures, with minimums around 22°C (72°F) and maximums peaking at 32°C (90°F). The average temperature hovers at 26°C (80°F), creating an inviting atmosphere for vacationers and locals alike. This month marks a continuation of the summer trend, where temperatures gradually rise from previous months, reflecting the region's typical humid subtropical climate. As the summer heat intensifies, both destinations offer a perfect blend of sun-soaked days and warm evenings, ideal for indulging in outdoor activities and enjoying the vibrant local culture.

August Weather in Florida: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Florida, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Florida, August typically has an average temperature of 26°C (80°F), with highs reaching up to 32°C (90°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec737374757778797979787675
Data source: Temperature data for Florida 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 Florida

In August, Florida and Puerto Rico experience a notable spike in precipitation, with average rainfall reaching 111 mm (4.4 in) over 20 days. This increase marks a continuation of the region's wet season, building on the earlier months where rainfall steadily climbed from 38 mm in January to 104 mm in July. The trend reflects a pattern where late summer months not only bring higher precipitation amounts but also longer rainy periods, setting the stage for the even more intense rainfall of September, which sees an average of 205 mm (8.1 in) over 26 days. This August peak plays a crucial role in replenishing local water sources, as the region braces for the often torrential rains of the coming months.

August Precipitation Trends in Florida

The chart displays monthly precipitation patterns in Florida, 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 Florida, August typically receives around 111 mm (4.4 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec384288871049610411120517111639
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Florida

In August, Florida and Puerto Rico experience a notable peak in humidity, reaching 80%—the highest level recorded for the year. This month's humidity mirrors the previous July, suggesting a trend of elevated moisture during the summer months. As the seasons transition, humidity begins to decline in September, dipping to 79%, before gradually decreasing further into the fall. Overall, the data indicates a pattern of consistently high humidity during the summer, which begins to taper off as cooler months approach. This seasonal shift plays a significant role in the tropical climate, influencing weather patterns and daily life in these regions.

August Average Humidity in Florida

This chart illustrates the average monthly humidity levels in Florida, 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 Florida is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%74%75%75%77%80%80%79%78%78%76%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Florida

In August, Florida and Puerto Rico continue to experience intense sunlight, reflected in a UV Index of 13—safely categorized as extreme. This consistent reading underscores a trend seen since May, where the burn time shortens to just 10 minutes, compelling sun-seekers to remain vigilant in their sun protection. The entire summer season maintains this high exposure category, indicating a persistently strong sun that demands respect and caution. As autumn approaches, it's vital to stay aware of these UV levels to enjoy the outdoors safely. For more details, visit Florida UV Index.

Maximum UV Index Levels in Florida for August

The chart shows the monthly maximum UV Index (UVI) for Florida 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 Florida typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131314131313131298
Data source: Florida 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 Florida

August in Florida and Puerto Rico basks in abundant sunshine, with a remarkable 350 hours of sunlight, making it one of the peak months for cheerful rays. This month is just slightly below the peak of May, which boasts 356 hours. As summer unfolds, the continuity of bright days is evident, with June and July trailing closely behind at 342 and 354 hours respectively. Following August, the sunshine begins to soften in September, dropping to 311 hours. Overall, the trend shows a vibrant summer, where sunshine reigns supreme, creating a perfect backdrop for beach days and outdoor adventures.

Monthly Sunshine Duration in Florida: August Highlighted

The August sunshine duration represents the total number of hours Florida 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.
JanFebMarAprMayJunJulAugSepOctNovDec257h304h345h346h356h342h354h350h311h310h296h319h
Data source: Florida August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Florida During August

When it comes to August weather in Florida and Puerto Rico, the likelihood of sunny days dips to around 38%, placing it among the more cloudier months of the year. This trend follows a gradual decrease from the slightly brighter days of July, which features a 39% chance of sunshine. Notably, June sees the lowest sun exposure at just 23%, indicating a pattern of diminishing sunny weather as summer progresses. Interestingly, the sunniest months precede August, with February and November enjoying comparatively high probabilities of clear skies at 66% and 54%, respectively. As travelers plan their summer getaways, it’s wise to consider this trend, as the latter months of summer may bring more unpredictable weather.

Percentage of Sunny Days in August in Florida

The chart illustrates the percentage of sunny days in Florida 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 Florida experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec44%66%57%42%46%23%39%38%43%43%54%59%
Data source: Florida August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Florida in August

In August, both Florida and Puerto Rico bask in approximately 12 hours of daylight, a continuation of the longer days seen in the summer months of June and July. The region experiences a gradual decline in daylight as the year progresses, averaging around 12 hours starting in March through to September. This slight decrease hints at the transition toward autumn, yet the warm, sunlit days of August still encourage ample outdoor activities. As daylight begins to recede in the following months, residents and visitors alike can relish the lingering summer vibes, making the most of the sun-soaked days before the seasonal shift.

Average Daylight Hours in Florida for August

The chart illustrates the variation in daylight duration in Florida throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 9m11h 32m12h 2m12h 33m12h 58m13h 11m13h 4m12h 41m12h 12m11h 42m11h 15m11h 2m
Data source: Florida daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Florida

In August, the winds in Florida and Puerto Rico exhibit a refreshing shift, with an average speed of 3.2 m/s (7 mph). This marks a slight decrease from the more vigorous breezes of July, which averaged 3.6 m/s (8 mph), yet it still offers a pleasant backdrop for outdoor activities. Following the trend of summer, August's winds are generally more moderate compared to the spring months, reinforcing a seasonal pattern where late summer brings gentler currents. As the year progresses into September, a notable dip to 2.1 m/s (5 mph) is expected, indicating a transition into calmer fall conditions. Thus, August serves as a bridge between the energetic summer winds and the quieter breezes that follow, making it a unique month for those enjoying the coastal vibes.

Average August Wind Speed in Florida

The chart displays monthly wind speed patterns in Florida, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.93.73.12.42.93.33.63.2 m/s2.12.32.53.2
Data source: Florida August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Florida Compares to Other Months

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

Comparing the weather in August and January reveals significant differences in temperature and precipitation. In August, temperatures range from a minimum of 22°C (72°F) to a maximum of 32°C (90°F), with an average of 26°C (80°F), making it a hot and humid month with 111 mm (4.4 in) of rain spread over 20 days and humidity levels at 80%. In contrast, January features milder temperatures, with a minimum of 15°C (59°F), an average of 23°C (74°F), and a maximum of 28°C (84°F). This month is also drier, receiving only 38 mm (1.5 in) of precipitation over 12 days, accompanied by slightly lower humidity at 76%. For more details on January weather, check out this link: Florida weather in January.

August and February present notable differences in weather patterns. August tends to be warmer, with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 32°C (90°F), while February is slightly cooler, with temperatures ranging from 18°C (64°F) to 29°C (85°F). Additionally, August experiences significantly more precipitation, averaging 111 mm (4.4 inches) over approximately 20 days, compared to February's 42 mm (1.7 inches) over 12 days. Humidity is also higher in August at 80%, while February sees a more comfortable 75%. For more detailed insights, check out this link: Florida weather in February.

In August, the weather tends to be warmer, with average temperatures reaching around 26°C (80°F) and maximums soaring up to 32°C (90°F). The month is characterized by higher humidity levels at 80% and more precipitation, typically accumulating to 111 mm (4.4 in) over 20 days. In contrast, March offers a more moderate climate, featuring average temperatures of 23°C (74°F) and a slightly lower maximum of 30°C (86°F). Precipitation in March is also less, with 88 mm (3.4 in) falling over 16 days and a humidity level of 74%. For more detailed insights, you can check Florida weather in March.

In comparing the weather of August and April, it’s clear that August tends to be warmer and more humid. In August, temperatures range from a minimum of 22°C (72°F) to a maximum of 32°C (90°F), with an average temperature of 26°C (80°F) and a humidity level of 80%. In contrast, April offers slightly cooler temperatures, with a minimum of 18°C (65°F) and a maximum of 30°C (86°F), averaging 24°C (75°F) and featuring a lower humidity of 75%. Additionally, August experiences more precipitation, totaling 111 mm (4.4 in) over 20 days, compared to April's 87 mm (3.4 in) over 18 days. For more detailed insights into this season, you can refer to Florida weather in April.

In comparing the weather of August and May, we see some similarities and differences. August tends to be slightly warmer, with average temperatures of 26°C (80°F), peaking at 32°C (90°F), while May’s average is a bit cooler at 25°C (77°F), with a maximum of 31°C (89°F). Both months experience considerable rainfall, with August receiving 111 mm (4.4 in) over 20 days and May registering 104 mm (4.1 in) over 21 days. Interestingly, humidity levels are higher in August at 80%, compared to 75% in May, making the former feel more muggy. For further details on the weather in May, you can visit Florida weather in May.

When comparing the weather in August and June, both months exhibit similar average temperatures, with June recording an average of 26°C (79°F) and August barely edging higher at 26°C (80°F). However, August typically brings greater warmth with maximum temperatures reaching 32°C (90°F), slightly higher than June’s maximum of 31°C (88°F). Precipitation is also more prevalent in August, with 111 mm (4.4 inches) over approximately 20 days, compared to June's 96 mm (3.8 inches) over 18 days. Additionally, August's humidity level is higher, at 80%, compared to June's 77%, making August feel a bit more muggy. For those interested in a deeper dive into June weather specifics, you can explore Florida weather in June.

When comparing the weather in August and July, both months exhibit similar temperature ranges, with minimum temperatures around 22°C (72°F), average highs of 26°C (80°F), and maximum temperatures peaking at 32°C (90°F) in August compared to 89°F in July. Precipitation is slightly higher in August, totaling 111 mm (4.4 in), compared to July's 104 mm (4.1 in), but both months see rain on about 20 days. The humidity remains consistent at 80% for both months, contributing to the tropical feel. For a more detailed look at July weather specifics, you can check Florida weather in July.

In comparing the weather between August and September, both months share similar temperature ranges with minimums around 22°C (72°F), average temperatures of 26°C (79°F), and maximums reaching 32°C (90°F). However, September experiences significantly higher precipitation, totaling 205 mm (8.1 in) over 26 days, compared to August's 111 mm (4.4 in) spread across 20 days. Humidity remains relatively stable, with August showing slightly higher levels at 80% compared to September's 79%. For a deeper look at the weather patterns, you can check out Florida weather in September.

August typically features warm temperatures with a minimum of 22°C (72°F) and an average of 26°C (80°F), peaking at a maximum of 32°C (90°F). The month is marked by significant rainfall, averaging 111 mm (4.4 in) over 20 days, combined with high humidity around 80%. In contrast, October sees slightly cooler weather, with temperatures ranging from a minimum of 21°C (70°F) to an average of 25°C (78°F), and similarly peaking at 32°C (89°F). However, October experiences even higher precipitation levels, totaling 171 mm (6.7 in) over 25 days, while the humidity remains relatively comfortable at 78%. For more details on Florida's October weather, visit Florida weather in October.

August and November showcase a shift in weather conditions, with August typically being hotter and more humid. In August, temperatures range from a minimum of 22°C (72°F) to a maximum of 32°C (90°F), with an average of 26°C (80°F). The month also experiences significant rainfall, with 111 mm (4.4 in) of precipitation over 20 days, resulting in humidity levels around 80%. In contrast, November's temperatures are slightly cooler, ranging from 19°C (67°F) to 30°C (87°F), with an average of 25°C (77°F). While November sees a similar amount of rainfall at 116 mm (4.6 in) over 18 days, the humidity decreases slightly to 78%. For more detailed insights, you can visit the link: Florida weather in November.

August and December present distinct weather patterns, highlighting the transition from summer to winter. In August, temperatures are notably warmer, with a minimum of 22°C (72°F) and an average of 26°C (80°F), peaking at 32°C (90°F). This month also features significant rainfall, with 111 mm (4.4 in) of precipitation over 20 days, accompanied by high humidity averaging around 80%. In contrast, December boasts milder temperatures, with a minimum of 19°C (66°F) and an average of 24°C (75°F), reaching a maximum of 30°C (86°F). Rainfall is lower in December, totaling 39 mm (1.5 in) over just 13 days, and humidity decreases slightly to 76%. For a closer look at the climate, you can explore Florida weather in December.

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Conclusion: What to Expect From August Weather in Florida

August in Florida is characterized by warm temperatures and high humidity, making it one of the steamiest months of the year. As the summer sun shines, the average daily temperature hovers around a balmy 26°C (80°F), occasionally soaring to a maximum of 32°C (90°F). Unlike the previous months, August experiences a notable increase in precipitation, with rain gracing the state on about 20 days, leading to a total of 111 mm (4.4 in) of rainfall. This heightened humidity, averaging 80%, adds to the tropical feel, contrasting sharply with the relatively drier and cooler conditions of fall. For a deeper dive into how Florida's weather patterns shift throughout the year, explore more at Florida Climate.