August Weather in Saint Lucie, United States

Last updated: February 24, 2025

August in Saint Lucie, United States showcases a tropical climate characterized by warm temperatures and high humidity. With maximum temperatures reaching 32°C (90°F) and an average of 28°C (83°F), the days can feel sizzling. Nighttime brings little relief, as temperatures hover around 25°C (76°F). This month also witnesses substantial precipitation, with a total of 194 mm (7.6 in) spread across 27 rainy days, creating a lush environment. The prevalent 80% humidity enhances the sultry feel, making it essential for residents and visitors alike to stay hydrated and prepare for frequent rain showers.

August Temperature in Saint Lucie

In August, Saint Lucie basks in the warm embrace of summer, with temperatures reflecting the peak of the season. The minimum temperature hovers at a cozy 25°C (76°F), while the average reaches a sultry 28°C (83°F), perfect for those lazy beach days. With maximums peaking at 32°C (90°F), the month embodies the vibrant energy of summer, inviting locals and tourists alike to enjoy the sun-drenched days and warm evenings. Notably, August maintains a consistent warmth compared to July, indicating a steady climatic trend as the region transitions from summer to fall, ensuring that the heat remains a defining feature of the season.

August Weather in Saint Lucie: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Saint Lucie, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec677172757881828282807470
Data source: Temperature data for Saint Lucie 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 Saint Lucie

August marks a peak in precipitation for Saint Lucie, United States, receiving 194 mm (7.6 in) of rainfall across 27 days. This significant uptick follows a consistent increase throughout the summer months, with July already showcasing 175 mm (6.9 in) of rain. As the wet season reaches its zenith, the frequency of rainy days remains high, emphasizing the region's tropical climate. The trend from June to August reveals not only an escalation in precipitation amounts but also a robust pattern of summer storms, making late summer one of the wettest periods in Saint Lucie's annual cycle. This substantial rainfall plays a crucial role in sustaining the area's lush vegetation and vibrant ecosystems, despite the potential for disruptive weather events.

August Precipitation Trends in Saint Lucie

The chart displays monthly precipitation patterns in Saint Lucie, 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.
JanFebMarAprMayJunJulAugSepOctNovDec384831691251731751941691338354
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Saint Lucie

In August, Saint Lucie experiences a modest rise in humidity, averaging around 80%. This marks a shift from the drier days of late spring and early summer, where humidity dipped to its lowest at 65% in May. As the year unfolds, humidity levels gradually increase again, peaking in the late summer and early fall months, with September and October returning to 83%. This trend highlights the region’s tropical climate, where the humidity consistently hovers in the upper 70s to low 80s, especially during late summer. Thus, while August may offer some relief, it still maintains a characteristic warmth that complements the higher humidity, setting the stage for a sticky transition into fall.

August Average Humidity in Saint Lucie

This chart illustrates the average monthly humidity levels in Saint Lucie, 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 Saint Lucie

In August, residents of Saint Lucie, United States experience a UV Index of 12, categorizing the exposure as extreme with a burn time of only 10 minutes. This peak intensity follows a steady rise through the summer months, with July and August sharing the same high UV levels, emphasizing the necessity for protective measures during outdoor activities. Notably, the UV Index typically escalates starting in February, reaching its zenith in June through August. As summer wanes into September, a slight decrease to an UV Index of 11 is observed, yet the exposure remains extreme. This pattern highlights the importance of being vigilant about sun safety throughout the summer months. For more detailed information on the UV index in different months, visit Saint Lucie UV Index.

Maximum UV Index Levels in Saint Lucie for August

The chart shows the monthly maximum UV Index (UVI) for Saint Lucie 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.
JanFebMarAprMayJunJulAugSepOctNovDec6810111112121211975
Data source: Saint Lucie 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 Saint Lucie

August in Saint Lucie, United States, shines brightly with 331 hours of glorious sunshine, making it one of the sunniest months of the year. This peak follows a trend of increasing sunlight from the beginning of summer; July leads the way with 335 hours, while June offers a robust 301 hours. As the summer sun begins to wane, August still delivers a vibrant energy that's hard to resist. Emerging from the warmth of summer, the sunshine starts to gradually decline in September with 311 hours, yet Saint Lucie's overall sunny disposition remains a highlight, creating an inviting atmosphere for both residents and visitors alike. With steady sunshine throughout the year, August stands out as a radiant month in the charming coastal town, perfectly encapsulating the beauty of Floridian summers.

Monthly Sunshine Duration in Saint Lucie: August Highlighted

The August sunshine duration represents the total number of hours Saint Lucie 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.
JanFebMarAprMayJunJulAugSepOctNovDec208h259h315h318h315h301h335h331h311h298h263h270h
Data source: Saint Lucie August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Saint Lucie During August

In Saint Lucie, United States, the likelihood of sunny weather dramatically declines during the summer months, with August standing out with only a 20% chance of sunshine. This drop follows a slight dip from June and July, which already experience low probabilities of clear skies at 19% and 24%, respectively. In contrast, the year begins with a promising 44% in January, peaking at 65% in December, suggesting a clear seasonal trend where sunnier days become more frequent as the year progresses towards winter. Therefore, if you’re hoping for bright, sunny days in August, it might be wise to prepare for the possibility of overcast skies instead.

Percentage of Sunny Days in August in Saint Lucie

The chart illustrates the percentage of sunny days in Saint Lucie 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 Saint Lucie experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec44%55%45%52%51%20%24%20%35%47%42%65%
Data source: Saint Lucie August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Saint Lucie in August

In August, Saint Lucie enjoys a generous 13 hours of daylight, maintaining the trend established in the preceding summer months. As the peak of summer continues, the city basks in ample sunshine, fostering vibrant outdoor activities. This bountiful daylight mirrors the earlier months of May, June, and July, where residents and visitors alike relish the extended evenings. However, as the year transitions into autumn, we can anticipate a gradual decrease in daylight, dropping to 12 hours in September, and further diminishing toward the winter months. The ebb and flow of daylight throughout the year not only shapes the local lifestyle but also highlights the beautiful, cyclical rhythm of time in Saint Lucie.

Average Daylight Hours in Saint Lucie for August

The chart illustrates the variation in daylight duration in Saint Lucie throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 37m11h 13m12h12h 49m13h 30m13h 50m13h 39m13h 3m12h 16m11h 28m10h 46m10h 25m
Data source: Saint Lucie daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Saint Lucie

In August, wind speeds in Saint Lucie dip slightly to an average of 3.6 m/s (8 mph), continuing the trend of light breezes established in the summer months. Following the peak of 5.0 m/s (11 mph) in May, there’s a gradual decline during the warmer season, with July experiencing the lowest average wind speed of 3.4 m/s (8 mph). As summer wanes, the winds signal a transition, being gentler and more soothing, perfect for enjoying the balmy evenings. This pattern sets the stage for the upcoming months, where winds tend to pick up again, reaching averages of 4.7 m/s (11 mph) in November. August, with its tranquil airs, embodies the laid-back spirit of summer in Saint Lucie before the autumn breezes take hold.

Average August Wind Speed in Saint Lucie

The chart displays monthly wind speed patterns in Saint Lucie, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.34.94.94.65.04.33.43.6 m/s3.03.94.73.5
Data source: Saint Lucie August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Saint Lucie Compares to Other Months

The weather in Saint Lucie 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 Saint Lucie and find detailed weather information for every month.

When comparing the weather in August and January, there's a significant contrast in temperatures and precipitation levels. August typically experiences warm and humid conditions with average temperatures around 28°C (83°F) and high humidity at 80%. This month also sees considerable rainfall, averaging 194 mm (7.6 in) over 27 days, creating a steamy atmosphere. In stark contrast, January offers much cooler weather, with temperatures ranging from a low of 4°C (40°F) to a pleasant average of 20°C (68°F). Precipitation is minimal in January, with only 38 mm (1.5 in) falling over about 6 days, and humidity is slightly higher at 83%. For a more detailed look at January weather, you can check Saint Lucie weather in January.

August and February present strikingly different weather patterns. In August, temperatures are notably higher, with minimums around 25°C (76°F) and averaging 28°C (83°F), peaking at 32°C (90°F). This month is also characterized by significant rainfall, totaling 194 mm (7.6 in) over 27 days, contributing to a humid environment with 80% humidity. In sharp contrast, February features milder temperatures, starting at 8°C (46°F) and averaging 22°C (71°F), with a maximum of 28°C (83°F). Precipitation is considerably lower during this month, accumulating only 48 mm (1.9 in) over 9 days, yet humidity remains at 80%. For more detailed insights, you can check Saint Lucie weather in February.

The weather in August and March presents stark contrasts, particularly in temperature and precipitation. In August, temperatures typically range from a minimum of 25°C (76°F) to a maximum of 32°C (90°F), with an average of 28°C (83°F). The month experiences significant rainfall, with 194 mm (7.6 inches) spread over 27 days, contributing to high humidity at around 80%. In contrast, March offers a more moderate climate, with temperatures ranging from a minimum of 11°C (53°F) to a maximum of 31°C (88°F), averaging 22°C (72°F). The precipitation is much lighter, totaling only 31 mm (1.2 inches) over just 5 days and a humidity level of 75%. For more detailed information about this month’s weather patterns, you can visit Saint Lucie weather in March.

When comparing the weather in August and April, significant differences emerge. August brings much warmer temperatures, with a minimum of 25°C (76°F) and an average of 28°C (83°F), compared to April's min of 15°C (58°F) and average of 24°C (75°F). Both months can reach up to 32°C (90°F), but August is characterized by much higher humidity at 80% compared to April's 68%. Additionally, August experiences a considerable amount of rainfall, with 194 mm (7.6 in) spread over 27 days, in stark contrast to April's milder 69 mm (2.7 in) across just 9 days. For more details on April’s climate, you can explore Saint Lucie weather in April.

In comparing the weather of August and May, August tends to be hotter and more humid, with average temperatures hovering around 28°C (83°F) and a minimum of 25°C (76°F). The month sees more precipitation as well, with 194 mm (7.6 in) falling over 27 days, resulting in a high humidity level of 80%. In contrast, May experiences a milder climate with an average temperature of 26°C (78°F) and a minimum of 17°C (64°F). Precipitation in May is lighter, totaling 125 mm (4.9 in) across 15 days and accompanied by a lower humidity of 65%. For more detailed insights, you can check Saint Lucie weather in May.

When comparing the weather in August and June, we see that both months experience similar maximum temperatures reaching up to 32°C (90°F). However, August tends to be warmer on average, with temperatures around 28°C (83°F), compared to June's average of 27°C (81°F). Additionally, August is characterized by higher humidity levels at 80%, making it feel more oppressive than June's relatively lower humidity of 73%. Precipitation also differs, with August receiving 194 mm (7.6 in) over 27 days, compared to June's 173 mm (6.8 in) over 23 days. For more details, you can check out the link: Saint Lucie weather in June.

In comparing the weather between July and August, both months feature similar average temperatures, with July peaking at a maximum of 33°C (92°F) and August slightly lower at 32°C (90°F). However, August experiences higher humidity at 80%, compared to July's 77%, which can make it feel warmer despite the average temperatures being close. Additionally, August sees increased rainfall, with 194 mm (7.6 in) compared to July's 175 mm (6.9 in), both occurring over 27 days. For more details on July weather, you can visit Saint Lucie weather in July.

Comparing the weather in August and September reveals some interesting similarities and differences. In August, the temperature ranges from a minimum of 25°C (76°F) to a maximum of 32°C (90°F), with an average of 28°C (83°F). This month also sees significant rainfall, totaling 194 mm (7.6 in) over 27 days, and an average humidity of 80%. Conversely, September features a slightly lower minimum temperature of 24°C (75°F) and a higher maximum of 33°C (91°F), while maintaining a similar average of 28°C (82°F). Precipitation declines to 168 mm (6.6 in) across 23 days, coupled with a slightly increased humidity of 83%. Overall, while both months are warm and humid, September experiences less rainfall but a higher maximum temperature. For a more detailed look at September's climate, check out Saint Lucie weather in September.

In August, the weather is characterized by warmer temperatures, with daily averages hovering around 28°C (83°F) and maximums often reaching 32°C (90°F). This month also experiences significant rainfall, totaling 194 mm (7.6 in) over 27 days, coupled with high humidity levels of about 80%. In contrast, October presents a cooler climate, where the average temperature drops to 26°C (80°F), with minimums dipping to 13°C (55°F) and maximums peaking at 31°C (88°F). While October still sees some rainfall, it amounts to 133 mm (5.2 in) over 18 days, and the humidity slightly increases to 83%. For more specific details about October weather, you can visit Saint Lucie weather in October.

August and November present a stark contrast in weather conditions. In August, temperatures are quite warm, with minimums of 25°C (76°F) and maximums reaching 32°C (90°F), averaging a balmy 28°C (83°F). This month also experiences significant rainfall, totaling 194 mm (7.6 in) over 27 days, combined with high humidity levels at 80%.

Conversely, November ushers in cooler temperatures, with minimums dipping to 9°C (49°F) while maintaining an average of 23°C (74°F) and a maximum of 29°C (85°F). Rainfall is less frequent in November, with only 83 mm (3.3 in) spread over 13 days, and humidity slightly higher at 83%. These differences highlight the transition from the hot, humid summer to a cooler fall season. For more details about the weather in November, you can visit Saint Lucie weather in November.

August and December present contrasting weather patterns. In August, temperatures are notably warmer, with a minimum of 25°C (76°F) and an average of 28°C (83°F), peaking at 32°C (90°F). This month also experiences significant rainfall, totaling 194 mm (7.6 in) over 27 days, contributing to a high humidity level of 80%. In stark contrast, December sees cooler temperatures, with a minimum of 8°C (47°F) and an average of 21°C (70°F), reaching a maximum of 29°C (85°F). Precipitation in December is markedly lower at 54 mm (2.1 in) over just 10 days, while humidity slightly rises to 84%. For more details, check Saint Lucie weather in December.

Compare Saint Lucie's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Saint Lucie

In August, Saint Lucie experiences its hottest and most humid weather of the year, with high temperatures flirting with the 32°C mark and an average humidity of about 80%. This month is characterized by frequent rain, with nearly every day seeing some precipitation—an average of 194 mm falls over the course of 27 days, transforming the landscape and making it lush. Compared to other months, August stands out not only for its warmth but also for its almost daily rain showers, creating a tropical atmosphere that is both vibrant and challenging. For more details about the overall patterns and variations, check out the Saint Lucie Climate.