August Weather in Fort Myers, United States

Last updated: February 24, 2025

Experience the vibrant climate of Fort Myers, United States, in August, where warm temperatures dominate the landscape. With daily highs reaching up to 34°C (94°F) and an average of 28°C (83°F), visitors can expect sun-soaked days tempered by humid conditions, averaging around 80% humidity. However, August also brings substantial rainfall, with 239 mm (9.4 in) of precipitation spread over 28 days, creating a lush tropical environment. Whether you're lounging by the beach or exploring local attractions, be prepared for both sunshine and refreshing summer showers.

August Temperature in Fort Myers

In Fort Myers, August marks the peak of summer, where temperatures hover comfortably between 24°C (75°F) and 34°C (94°F). With an average of 28°C (83°F), the month showcases a delightful warmth, perfect for beachgoers and outdoor enthusiasts alike. As the hottest month, it gently transitions from the sultry days of July, maintaining similarly high averages while boasting a distinctly warmer minimum temperature. The sweltering heat remains consistent, setting the stage for bright sunny days and balmy evenings. This pattern reveals a steady rise in temperatures as summer reaches its climax, inviting visitors to bask in the glory of Florida's sun-soaked coast.

August Weather in Fort Myers: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Fort Myers, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec657071767981828282807368
Data source: Temperature data for Fort Myers 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 Fort Myers

In August, Fort Myers experiences a notable peak in precipitation, with 239 mm (about 9.4 inches) of rain falling over 28 days. This marks a slight decrease from July's record 247 mm, yet still reflects the region's characteristic summer wet season. The rainy conditions continue a trend set in June, which saw the highest rainfall of the year at 221 mm, illustrating a pattern of increasing precipitation from late spring through late summer. The frequency of rain also intensifies, with nearly the entire month seeing wet weather, emphasizing August's role in sustaining the lush landscape of southwest Florida. As summer transitions towards fall, the expected variability in rainfall begins, but August stands out as a quintessentially moist month for the area.

August Precipitation Trends in Fort Myers

The chart displays monthly precipitation patterns in Fort Myers, 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.
JanFebMarAprMayJunJulAugSepOctNovDec36392348145221247239188864746
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Fort Myers

In August, Fort Myers experiences a noteworthy 80% humidity, a level that reflects the lingering warmth of summer while hinting at the upcoming transition into fall. This month marks a slight recovery from the drier months of May (65%) and April (68%), maintaining humidity levels similar to those in February (80%) and just a notch below September (83%). The overall trend demonstrates a seasonal pattern where humidity gradually increases, peaking in the winter months around 84% in December. With its tropical climate, Fort Myers presents a humid atmosphere year-round, but August stands out as a bridge between the hottest summer days and the wetter fall season, making it an essential part of the area's annual weather cycle.

August Average Humidity in Fort Myers

This chart illustrates the average monthly humidity levels in Fort Myers, with August's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how August's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec83%80%75%68%65%73%77%80%83%83%83%84%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Fort Myers

In August, Fort Myers experiences a consistently intense UV Index of 12, placing it in the extreme exposure category. This means that your skin can start to burn in just 10 minutes of unprotected sun exposure. This trend of high UV levels continues from April through July, where the index also reached a peak of 12. It’s clear that summer months in Fort Myers demand precautions against harmful UV rays, making it vital to shield your skin with sunscreen, hats, and protective clothing. As the season transitions into September, the UV Index slightly decreases to 11, but the risk remains significant. For more details on UV levels and safety, check out Fort Myers UV Index.

Maximum UV Index Levels in Fort Myers for August

The chart shows the monthly maximum UV Index (UVI) for Fort Myers 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.
JanFebMarAprMayJunJulAugSepOctNovDec69101212121212111076
Data source: Fort Myers 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 Fort Myers

As summer wanes in Fort Myers, August shines brightly with 324 sunlight hours, maintaining the robust glow established in July. This substantial sunlight complements the peak of the warm season, contributing to a vibrant atmosphere ideal for outdoor activities and relaxation. Notably, the hours of sunshine during these summer months are impressively high, with only a slight decrease from July's peak of 330 hours. As the year progresses, daylight gradually diminishes, with September witnessing 308 hours and a further decline into the fall months. This pattern highlights the abundant sunshine that defines Fort Myers, making late summer a particularly inviting time to bask in the sun's warmth.

Monthly Sunshine Duration in Fort Myers: August Highlighted

The August sunshine duration represents the total number of hours Fort Myers 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.
JanFebMarAprMayJunJulAugSepOctNovDec223h275h326h326h324h299h330h324h308h301h277h288h
Data source: Fort Myers August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Fort Myers During August

In Fort Myers, the likelihood of sunny weather in August stands at a modest 18%, making it one of the least sunny months of the year. This trend contrasts sharply with the sunniest months, such as April at 62% and December at 63%, showcasing how summer storms can often overshadow clear skies. As we transition from July into August, the percentage of sunny days remains consistently low, indicating that the peak of summer's heat is often accompanied by increased cloud cover and humidity. With September seeing a slight uptick to 34%, the summer months may leave visitors craving the clearer, sunnier days typically found in the fall and winter. Overall, if you're planning to enjoy the sunshine in August, it might be wise to have a backup plan for those cloudy, unpredictable days.

Percentage of Sunny Days in August in Fort Myers

The chart illustrates the percentage of sunny days in Fort Myers 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 Fort Myers experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec45%59%56%62%53%18%19%18%34%48%50%63%
Data source: Fort Myers August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Fort Myers in August

In August, Fort Myers basks in 13 hours of daylight, maintaining the sun-drenched trend set over the summer months. This extended daylight, shared with June and July, allows residents and visitors to fully enjoy the beach and outdoor activities as summer gradually begins to wane. Following this peak, daylight hours will slowly decrease as the year transitions into autumn, with September marking the first noticeable shift with 12 hours of sunlight. Overall, the steady daylight in August reflects a balance of long, bright days that highlight the vibrant, sun-soaked lifestyle that Fort Myers is known for.

Average Daylight Hours in Fort Myers for August

The chart illustrates the variation in daylight duration in Fort Myers throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 40m11h 15m12h 1m12h 47m13h 27m13h 45m13h 35m13h 1m12h 16m11h 29m10h 49m10h 29m
Data source: Fort Myers daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Fort Myers

In August, Fort Myers experiences a gentle shift in its average wind speed, measuring around 2.5 m/s (6 mph), slightly higher than the calmest months of July and September. This trend of decreasing wind speeds through the summer culminates in August, providing a respite from the breezy conditions earlier in the year. A consistent decline is noted from March through July, where breezes once topped 3.5 m/s (8 mph), to the more laid-back August winds. As the summer draws to a close, the winds remain soft and approachable, reflecting the tranquil atmosphere of the season while still offering a refreshing touch amid the warm temperatures. This pattern repeats as the year turns towards fall, signaling the gradual return of slightly stronger breezes in the months to follow.

Average August Wind Speed in Fort Myers

The chart displays monthly wind speed patterns in Fort Myers, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.13.73.53.43.62.82.42.5 m/s2.12.93.22.5
Data source: Fort Myers August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Fort Myers Compares to Other Months

The weather in Fort Myers 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 Fort Myers and find detailed weather information for every month.

August and January present contrasting weather conditions. In August, temperatures soar with a minimum of 24°C (75°F) and an average of 28°C (83°F), peaking at a sweltering 34°C (94°F). This month is also characterized by significant rainfall, receiving 239 mm (9.4 in) over 28 days, and high humidity levels at 80%. In stark contrast, January experiences much cooler temperatures, with a minimum of 2°C (36°F), an average of 18°C (65°F), and a maximum of 29°C (85°F). Precipitation is minimal in January, totaling just 36 mm (1.4 in) spread over only 3 days, while humidity remains relatively high at 83%. For a closer look at the specifics of January weather, visit Fort Myers weather in January.

When comparing the weather in August and February, it's clear that they present stark contrasts. August boasts higher temperatures, with minimums around 24°C (75°F) and maximums peaking at 34°C (94°F), while February experiences a cooler range with minimums at 2°C (36°F) and maximums reaching 31°C (88°F). Additionally, August is characterized by significant rainfall, accumulating 239 mm (9.4 in) over 28 days, whereas February sees much less precipitation at 39 mm (1.5 in) over just 5 days. Interestingly, both months have similar humidity levels at 80%, but the overall feel is markedly different due to the temperature and rain variances. For more details on February weather, you can refer to Fort Myers weather in February.

In comparing the weather patterns of August and March, a stark contrast emerges. August is characterized by high temperatures, with a minimum of 24°C (75°F) and average highs reaching 34°C (94°F), alongside significant rainfall of 239 mm (9.4 in) spread over 28 days and humidity levels at 80%. In contrast, March offers a milder climate, with temperatures ranging from a cool 7°C (44°F) at night to a pleasant average of 22°C (72°F) during the day, peaking at 32°C (90°F). Additionally, March experiences minimal precipitation of only 23 mm (0.9 in) over just 2 days and a slightly lower humidity of 75%. For more detailed insights, visit Fort Myers weather in March.

August and April exhibit stark differences in weather patterns. August typically experiences warmer temperatures, with a minimum of 24°C (75°F), an average of 28°C (83°F), and a maximum reaching up to 34°C (94°F). In contrast, April boasts a cooler minimum of 11°C (52°F) but has a similar maximum of 34°C (93°F), showcasing a more moderate average of 25°C (77°F). Precipitation is significantly higher in August, accumulating to 239 mm (9.4 in) over 28 days compared to April's 48 mm (1.9 in) over just 8 days. Additionally, humidity is marked at 80% in August, compared to a lower 68% in April, resulting in a more oppressive feel during the summer month. For a deeper understanding of what to expect in April, check out Fort Myers weather in April.

August and May exhibit notable differences in weather patterns. In August, the temperatures range from a minimum of 24°C (75°F) to a maximum of 34°C (94°F), with an average around 28°C (83°F). This month is characterized by high humidity at 80% and significant precipitation, totaling 239 mm (9.4 in) over 28 days. In contrast, May presents a milder climate, with temperatures starting lower at a minimum of 15°C (60°F) and reaching a similar maximum of 34°C (94°F), but averaging only 26°C (80°F). May also experiences less rainfall, amounting to 145 mm (5.7 in) over just 13 days and lower humidity levels at 65%. For more insights, check out Fort Myers weather in May.

In comparing the weather between June and August, we see distinct patterns in temperature and humidity. August typically has a slightly higher average temperature of 28°C (83°F) compared to June's average of 27°C (82°F), with August also experiencing a minimal increase in minimum temperatures. However, June tends to be slightly warmer at its maximum, reaching up to 35°C (96°F), while August's maximum is 34°C (94°F). Furthermore, August is characterized by higher humidity at 80%, which is noticeably more than June's 73%. Precipitation is also more prevalent in August, with 239 mm (9.4 in) over 28 days compared to June's 221 mm (8.7 in) across 24 days. For more detailed insights, you can check Fort Myers weather in June.

In comparing the weather of August and July, both months experience similar temperature ranges, with average temperatures hovering around 28°C (82-83°F) and maximum temperatures reaching up to 34°C (93-94°F). However, August tends to be slightly wetter, receiving 239 mm (9.4 in) of precipitation over 28 days, compared to July's 247 mm (9.7 in) over 27 days. Additionally, August sees a higher humidity level at 80%, while July has a slightly lower humidity of 77%. For more detailed insights on July's weather, you can check out Fort Myers weather in July.

August and September weather in the region show some notable differences, despite their similar temperature ranges. In August, the temperatures fluctuate from a minimum of 24°C (75°F) to a maximum of 34°C (94°F), accompanied by significant rainfall totaling 239 mm (9.4 in) over 28 days and a humidity level of 80%. In contrast, September sees slightly cooler temperatures with a minimum of 21°C (71°F) and the same maximum of 34°C (94°F), but it experiences less rainfall, totaling 188 mm (7.4 in) over 21 days, while humidity rises to 83%. For more detailed insights on September weather, visit Fort Myers weather in September.

August and October exhibit notable differences in weather patterns. In August, temperatures range from a minimum of 24°C (75°F) to a maximum of 34°C (94°F), with an average of 28°C (83°F). This month is characterized by high humidity levels at 80% and significant rainfall, totaling 239 mm (9.4 in) over 28 days. In contrast, October offers a more temperate climate, with minimum temperatures dropping to 12°C (53°F), while the average stays at 26°C (80°F) and the maximum reaches 33°C (92°F). Precipitation in October decreases significantly to 86 mm (3.4 in) over just 13 days, and humidity remains relatively high at 83%. For further details on weather conditions during this month, check out Fort Myers weather in October.

In comparing August and November weather, August tends to be much warmer and more humid, with average temperatures around 28°C (83°F) and a maximum of 34°C (94°F). This month receives significant rainfall, totaling 239 mm (9.4 in) over 28 days, creating a very humid environment at about 80% humidity. In contrast, November experiences a notable drop in temperatures, with a minimum of 8°C (46°F) and an average of 23°C (73°F), resulting in a more comfortable climate. Additionally, November has considerably less precipitation, with only 47 mm (1.9 in) falling over just 7 days and a humidity level of 83%. For more detailed information on November weather, visit Fort Myers weather in November.

In August, the weather is characterized by warm temperatures that range from a minimum of 24°C (75°F) to a maximum of 34°C (94°F), with an average of 28°C (83°F). This month also experiences significant rainfall, with an impressive 239 mm (9.4 in) of precipitation over 28 days and high humidity levels at 80%. In contrast, December offers cooler weather, with temperatures fluctuating from a minimum of 6°C (43°F) to a maximum of 30°C (86°F), averaging around 20°C (68°F). December sees much less precipitation, with only 46 mm (1.8 in) across just 5 days, and humidity slightly higher at 84%. For more details on the December climate, you can explore Fort Myers weather in December.

Compare Fort Myers's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Fort Myers

As August unfolds in Fort Myers, it brings a unique blend of warm temperatures and considerable humidity, setting it apart from the milder months of the year. With an average temperature hovering around 28°C (83°F), this month showcases the peak of summer heat, making it a favorite for sun-seekers. However, the significant precipitation, with rain occurring on nearly every day, contributes to a lush landscape, even as it contrasts with the typically drier spells of spring. The 80% humidity can feel stifling, which is a stark departure from the drier conditions experienced earlier in the season. Those planning to visit during this time should embrace the vibrant and sultry atmosphere, perfectly captured in the region’s renowned tropical charm. For a deeper dive into the local climate, check out Fort Myers Climate.