August Weather in Merritt Island, United States

Last updated: February 24, 2025

Experience the August weather on Merritt Island, United States, where temperatures reach a maximum of 32°C (90°F) and maintain an average of 28°C (82°F). While the mercury rarely dips below 24°C (76°F), expect high humidity levels at 81%, creating a warm and sultry atmosphere. This month also brings significant rainfall, with precipitation amounting to 220 mm (8.7 in) across 26 rainy days, painting a vivid picture of a lush, vibrant landscape. Perfect for those who enjoy the mix of sun and rain, Merritt Island in August is a tropical paradise awaiting exploration.

August Temperature in Merritt Island

In August, Merritt Island basks in the height of summer warmth, with temperatures reflecting the season's peak. The minimum temperature hovers comfortably at 24°C (76°F), while the average climbs to a balmy 28°C (82°F) and can soar to a maximum of 32°C (90°F). This month marks a seamless transition from the sweltering heat of July, maintaining similar highs but slightly increasing in overall warmth. Visitors can expect vibrant days under the Florida sun, perfect for beach outings and outdoor activities, as August embodies the quintessential tropical climate Merritt Island is known for.

August Weather in Merritt Island: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Merritt Island, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec636769737780818281787166
Data source: Temperature data for Merritt Island generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Merritt Island

August in Merritt Island marks a peak in precipitation, with 220 mm (8.7 in) of rainfall over an average of 26 days. This significant increase from previous months highlights the region's transition into the wet season, as July also recorded substantial rainfall at 172 mm (6.8 in). Notably, this surge in August's precipitation not only contributes to the area's lush landscapes but also signals a shift towards more frequent rain showers, paving the way for the stormy weather typical of late summer. As the summer months draw to a close, the pattern of increased rainfall and the number of rainy days serve as a reminder of Florida's tropical climate, creating a vibrant environment where lush greenery thrives amid a rhythm of sunshine and rain.

August Precipitation Trends in Merritt Island

The chart displays monthly precipitation patterns in Merritt Island, 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.
JanFebMarAprMayJunJulAugSepOctNovDec385225721241641722211891076265
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

August Humidity in Merritt Island

In August, Merritt Island experiences a relative humidity level of 81%, a slight uptick from the preceding months. This figures suggest that the summer heat is still in full swing, maintaining a comfortable coastal atmosphere. Interestingly, humidity levels show a gradual decline from 83% in January to a low of 68% in May, following which there is a subtle increase as the year progresses. The trend indicates a typical humid subtropical climate, where humidity fluctuates but remains relatively high, especially during the warmer months. As the season transitions into autumn, humidity levels stabilize, reflecting a return to higher averages, which persists into September.

August Average Humidity in Merritt Island

This chart illustrates the average monthly humidity levels in Merritt Island, 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%70%68%75%80%81%83%81%82%84%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Merritt Island

In August, Merritt Island experiences an UV Index of 11, placing it in the extreme exposure category. With a burn time of just 10 minutes, it's essential for residents and visitors to take precautions against harmful sun exposure. The trend throughout the summer months reveals consistently high UV levels, peaking in June and July at 12. Following this, August maintains a robust reading before transitioning into the slightly lower indices of September and October. This highlights the importance of sun safety as summer wanes, making it crucial to stay informed and protected. For more details on the UV Index and sun safety tips, check out the Merritt Island UV Index.

Maximum UV Index Levels in Merritt Island for August

The chart shows the monthly maximum UV Index (UVI) for Merritt Island 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.
JanFebMarAprMayJunJulAugSepOctNovDec689111112121111975
Data source: Merritt Island 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 Merritt Island

In August, Merritt Island basks in abundant sunshine, boasting an impressive 336 hours of glorious sunlight. This peak in sunshine hours follows a pattern established during the warm summer months, with July leading the way at 340 hours. As the summer heat lingers, August reflects a slight decrease, yet it remains one of the sunniest months of the year. This vibrant stretch of sunshine not only enriches the landscape but also signifies the height of outdoor activities and relaxation for residents and visitors alike. As autumn approaches, the sunlight begins to taper off, with September seeing a moderate decline to 312 hours, marking the transition into a new season while still holding onto the warmth of summer.

Monthly Sunshine Duration in Merritt Island: August Highlighted

The August sunshine duration represents the total number of hours Merritt Island 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.
JanFebMarAprMayJunJulAugSepOctNovDec211h261h317h314h321h309h340h336h312h301h262h269h
Data source: Merritt Island August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Merritt Island During August

In Merritt Island, August marks a significant shift in weather patterns, with a notable decline in sunny days, dropping to just 16% likelihood. This contrasts sharply with the early summer months of June and July, which experience slightly higher chances of sunshine at 23% and 25%, respectively. The trend continues from the peak sunshine months of late spring, where May boasts a 51% chance, highlighting how the summer heat often brings increased cloud cover and humidity. As summer transitions to early fall, the probability of sunny weather remains low in August, making it a period where residents and visitors may want to prepare for the possibility of extended cloudy or rainy days.

Percentage of Sunny Days in August in Merritt Island

The chart illustrates the percentage of sunny days in Merritt Island 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 Merritt Island experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec46%49%44%48%51%23%25%16%34%46%45%59%
Data source: Merritt Island August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Merritt Island in August

In Merritt Island, United States, August marks a continuation of the summer's generous 13 hours of daylight, characteristic of the sun-soaked months preceding it. The trend from the early year sees a gradual increase in daylight, peaking in June, July, and August, where residents enjoy the longest days. As summer ebbs, the days begin to shorten; however, August holds on to the light, providing ample opportunity for outdoor activities and basking in the warm glow of late summer. Following August, the daylight diminishes in September, setting the stage for the transition into fall, yet the lingering essence of summer remains strong throughout this vibrant month.

Average Daylight Hours in Merritt Island for August

The chart illustrates the variation in daylight duration in Merritt Island throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 33m11h 11m12h12h 51m13h 33m13h 54m13h 43m13h 5m12h 17m11h 26m10h 43m10h 21m
Data source: Merritt Island daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Merritt Island

In Merritt Island, August is characterized by a gentle average wind speed of 3.6 m/s (8 mph), mirroring the slight decline observed since the more blustery spring months. This calmness follows a peak in May, where winds reached an invigorating 4.9 m/s (11 mph), and signals the transition into the slower, sultry days of late summer. As temperatures rise, residents and visitors alike can delight in outdoor activities, enhanced by the soothing breezes that flow through the area. Interestingly, the wind speeds dip further in September, underscoring a seasonal trend where summer's vigor gradually gives way to the quieter breezes of the fall, suggesting a rhythm of nature that both calms and invites relaxation.

Average August Wind Speed in Merritt Island

The chart displays monthly wind speed patterns in Merritt Island, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.24.64.64.54.94.23.63.6 m/s3.13.94.63.2
Data source: Merritt Island August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Merritt Island Compares to Other Months

The weather in Merritt Island 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 Merritt Island and find detailed weather information for every month.

August and January present two contrasting weather experiences. In August, temperatures range from a minimum of 24°C (76°F) to a maximum of 32°C (90°F), with an average of 28°C (82°F). This month is characterized by high humidity at 81% and significant rainfall, totaling 220 mm (8.7 in) over 26 days, making it a notably wet time. In stark contrast, January offers a much cooler climate, with temperatures dipping to a minimum of 2°C (36°F) and reaching a maximum of 27°C (82°F), averaging 17°C (64°F). Precipitation is sparse, with only 38 mm (1.5 in) falling over just 5 days, and humidity remains relatively high at 83%. For a closer look at the winter conditions, visit Merritt Island weather in January.

August and February present stark contrasts in weather conditions. August is characterized by high temperatures, with lows around 24°C (76°F) and averages reaching 28°C (82°F), peaking at a scorching 32°C (90°F). This month also sees significant rainfall, with approximately 220 mm (8.7 in) spread over 26 days and a high humidity level of 81%. In contrast, February offers much cooler temperatures, with a minimum of 6°C (43°F) and an average of 19°C (67°F), topping out at 27°C (81°F). Rainfall is significantly lower in February, with only 51 mm (2.0 in) over 8 days and a similar humidity level of 80%. For more detailed information, you can check Merritt Island weather in February.

When comparing the weather in August and March, significant differences emerge. August is much warmer, with average temperatures ranging from a minimum of 24°C (76°F) to a maximum of 32°C (90°F), while March sees much cooler temperatures, averaging between 8°C (47°F) and 29°C (84°F). Additionally, August experiences higher humidity at 81% and substantial precipitation of 220 mm (8.7 in) over 26 days, making it the wetter month. In contrast, March has only 25 mm (1.0 in) of precipitation over just 4 days and a slightly lower humidity of 75%. For further details on March weather, you can check Merritt Island weather in March.

August and April exhibit notable differences in weather patterns. August tends to be much warmer, with average temperatures around 28°C (82°F), peaking at 32°C (90°F), while April features cooler temperatures, averaging 23°C (73°F) and topping out at 30°C (87°F). Additionally, August is significantly wetter, receiving 220 mm (8.7 in) of precipitation over 26 days, compared to just 72 mm (2.8 in) over 8 days in April. Humidity levels are also higher in August at 81%, compared to 70% in April, making the former feel more oppressive. For more detailed information, you can check the Merritt Island weather in April.

In comparing the weather between August and May, notable differences emerge in temperature, precipitation, and humidity. August typically presents warmer conditions, with average temperatures reaching 28°C (82°F) compared to May's more moderate average of 25°C (77°F). While both months can be warm, May starts with a lower minimum temperature of 16°C (61°F), offering a milder beginning to the day, whereas August's minimum is noticeably higher at 24°C (76°F).

Precipitation also plays a significant role, with August experiencing heavier rainfall totaling 220 mm (8.7 in) across 26 days, compared to May's 124 mm (4.9 in) over just 11 days. This results in a much more humid atmosphere in August, with humidity levels peaking at 81%, in contrast to May's 68%. For further insight into the climate, you can explore Merritt Island weather in May.

When comparing the weather in August and June, a few notable differences emerge. In August, temperatures are slightly warmer, with averages around 28°C (82°F) and a maximum reaching 32°C (90°F), compared to June’s average of 26°C (80°F) and maximum of 32°C (89°F). Additionally, August experiences more precipitation, with 220 mm (8.7 in) distributed over 26 days, while June sees less rain at 164 mm (6.4 in) across 22 days. The humidity is also higher in August, sitting at 81%, compared to June’s 75%. For more specifics on June weather, you can check Merritt Island weather in June.

In comparing the weather of August and July, both months showcase warm temperatures, with minimums around 24°C (75-76°F) and maximums peaking at 32°C (90°F). August, however, sees a slight increase in average temperature, reaching 28°C (82°F), while July's average sits at 27°C (82°F). Notably, August experiences more precipitation, with 220 mm (8.7 inches) over 26 days, compared to July's 172 mm (6.8 inches) over 24 days, and a slightly higher humidity level of 81% in August versus 79% in July. This increased precipitation and humidity in August may contribute to a more tropical feel in comparison to July. For more detailed information on July weather, you can check Merritt Island weather in July.

August typically has slightly warmer temperatures compared to September, with an average high of 32°C (90°F) versus September's peak at 33°C (91°F). While August enjoys an average temperature of 28°C (82°F), September is a degree cooler at 27°C (81°F). Both months experience substantial precipitation, but August has higher rainfall at 220 mm (8.7 in) over 26 days, compared to September's 189 mm (7.4 in) over 21 days. Humidity levels remain relatively similar, with September being marginally higher at 83% compared to August's 81%. For more detailed weather specifics, please check Merritt Island weather in September.

August and October present quite different weather experiences. In August, temperatures range from a warm minimum of 24°C (76°F) to a peak of 32°C (90°F), with an average temperature of 28°C (82°F). Additionally, August is characterized by high humidity at 81% and a significant amount of precipitation, totaling 220 mm (8.7 in) over 26 days. In contrast, October brings cooler temperatures, with a minimum of 11°C (52°F) and a comfortable maximum of 30°C (87°F), leading to an average temperature of 26°C (78°F). October also sees a decrease in rainfall, with only 107 mm (4.2 in) over 18 days, while humidity remains stable at 81%. For more details on specific conditions, check out Merritt Island weather in October.

August and November present contrasting weather patterns. In August, temperatures soar with a minimum of 24°C (76°F) and an average of 28°C (82°F), peaking at 32°C (90°F), accompanied by high humidity at 81%. The month is also characterized by significant rainfall, totaling 220 mm (8.7 in) over 26 days. In contrast, November brings a much cooler climate, with a minimum temperature dropping to 7°C (46°F) and an average of 22°C (71°F), reaching a maximum of 29°C (85°F). Precipitation is notably less in November, at 62 mm (2.4 in) over just 10 days, while humidity remains relatively high at 82%. For a detailed look at November weather in Merritt Island, check out Merritt Island weather in November.

August presents a warm and humid climate, with temperatures ranging from a minimum of 24°C (76°F) to a scorching maximum of 32°C (90°F). The month is characterized by significant rainfall, averaging 220 mm (8.7 in) over 26 days, contributing to an 81% humidity level. In contrast, December offers a much cooler atmosphere, with temperatures varying between a minimum of 6°C (42°F) and a maximum of 27°C (80°F), leading to a more comfortable average of 19°C (66°F). Precipitation decreases dramatically to 65 mm (2.6 in) over just 8 days, while the humidity slightly rises to 84%. For a detailed understanding of how December weather unfolds, you can check out Merritt Island weather in December.

Compare Merritt Island's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Merritt Island

August in Merritt Island is characterized by warm temperatures and high humidity, making it feel notably sticky compared to other months. With daily highs often reaching 32°C (90°F), this month stands out as one of the hottest of the year. Rainfall is also prevalent, with frequent showers contributing to a total precipitation of 220 mm (8.7 in) over approximately 26 days. This combination of warmth and moisture creates a distinctively tropical climate, ideal for those who thrive in sunny environments but requiring a bit more preparation for wet conditions. For a deeper understanding of the patterns that define this season, visit Merritt Island Climate.