August Weather in Port Aransas, United States

Last updated: February 24, 2025

In August, Port Aransas experiences a delightful coastal climate characterized by warm temperatures and moderate humidity. With a maximum temperature reaching 31°C (88°F) and an average of 29°C (84°F), the month offers plenty of sunshine for beach activities. However, visitors should be prepared for occasional rain, as 9 days of the month see precipitation totaling 76 mm (3.0 in). The humidity level hovers around 78%, creating a tropical feel that enhances the vibrant summer atmosphere. Whether lounging on the sandy shores or exploring local attractions, August is a quintessential month to enjoy all that Port Aransas has to offer.

August Temperature in Port Aransas

In Port Aransas, August brings notably warm weather, characterized by a minimum temperature of 24°C (75°F) and an average high of 31°C (88°F). This month marks a peak in summer heat, as the region enjoys consistently high averages—a slight increase from July's patterns. While evenings remain mild, daytime temperatures dip little, keeping the vibrant summer atmosphere alive. Travellers can expect beach-friendly conditions, making August an inviting time for outdoor activities and soaking up the sun, even as the summer begins to transition into the cooler breezes of autumn in September.

August Weather in Port Aransas: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Port Aransas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec616167727882838482776964
Data source: Temperature data for Port Aransas 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 Port Aransas

In August, Port Aransas experiences a moderate shift in precipitation, recording 76 mm (3.0 in) of rain over 9 days. This amount, while less than the summer peaks in June and July—where totals reached 146 mm and 125 mm respectively—still contributes to the overall humid atmosphere of the area. As summer transitions into fall, August's rainfall sets the stage for the significantly wetter September, which sees a sharp increase to 177 mm (7.0 in), emphasizing a notable trend of rising precipitation as the season progresses. Overall, while August may moderate in rainfall compared to its immediate predecessors, it remains a crucial part of Port Aransas's yearly hydration cycle.

August Precipitation Trends in Port Aransas

The chart displays monthly precipitation patterns in Port Aransas, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4844524814314612576177976455
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Port Aransas

August in Port Aransas, United States, typically experiences a humidity level of 78%, which aligns closely with the overall trends observed throughout the summer months. Although July and August share this humidity level, June enjoys a slightly drier atmosphere at 77%. From January to April, humidity peaks at 82%, creating a notably muggy early year. Interestingly, the overall tendency shows that humidity remains fairly consistent, fluctuating narrowly between 77% and 82% across the year. As the seasons transition from summer to fall, September sees a slight uptick to 79%, but generally, humidity in Port Aransas stays relatively stable, contributing to the coastal charm that defines this vibrant locale.

August Average Humidity in Port Aransas

This chart illustrates the average monthly humidity levels in Port Aransas, 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.
JanFebMarAprMayJunJulAugSepOctNovDec78%82%79%82%81%77%78%78%79%77%78%80%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Port Aransas

In August, the UV Index in Port Aransas reaches a peak of 12, categorizing it as extreme, with a burn time of just 10 minutes under direct sunlight. This aligns with the trend seen in previous months, where UV levels have remained consistently high during the summer, particularly in June and July. The intensity of UV radiation is a crucial reminder for residents and visitors alike to take proper sun safety measures, such as wearing sunscreen and protective clothing. As summer wanes into September, the UV Index begins to slightly decline, yet remains high enough to warrant caution. For more detailed insights and to plan your sun exposure wisely, visit Port Aransas UV Index.

Maximum UV Index Levels in Port Aransas for August

The chart shows the monthly maximum UV Index (UVI) for Port Aransas 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.
JanFebMarAprMayJunJulAugSepOctNovDec689111112121211975
Data source: Port Aransas 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 Port Aransas

In August, Port Aransas basks in a splendid average of 330 hours of sunshine, placing it among the sunniest months of the year. This vibrant summer atmosphere follows a peak in June with 332 hours, creating a delightful stretch of sun-soaked days that beckon beachgoers and nature lovers alike. As the summer progresses, August maintains almost the same luminosity as July, ensuring that those seeking sun-drenched adventures can indulge before the sun begins to set earlier in September. The trend of increasing sunlight from January's modest 176 hours to the summer highs underscores the allure of Port Aransas, making it a prime destination for those craving warmth and natural beauty during the peak of summer.

Monthly Sunshine Duration in Port Aransas: August Highlighted

The August sunshine duration represents the total number of hours Port Aransas 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.
JanFebMarAprMayJunJulAugSepOctNovDec176h189h251h278h318h332h331h330h285h286h245h236h
Data source: Port Aransas August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Port Aransas During August

In Port Aransas, August tends to offer a moderate chance of sunny weather, with the likelihood sitting at 41%. This marks a slight dip compared to the sunnier months of January and June, both at 48%, and hints at the trend of decreasing sunshine as summer begins to wane. Notably, the sunshine probability rebounds in early fall, with September rising sharply to 60% and October at 59%, suggesting that while August may not be the sunniest month, the shift to autumn brings renewed chances for bright skies. Overall, while August presents a reasonable chance for sunny days, it is clear that late summer begins the transition toward the more sun-drenched months that follow.

Percentage of Sunny Days in August in Port Aransas

The chart illustrates the percentage of sunny days in Port Aransas 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 Port Aransas experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec48%38%45%41%44%48%31%41%60%59%54%44%
Data source: Port Aransas August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Port Aransas in August

In August, Port Aransas basks in a generous 13 hours of daylight, mirroring the sunshine enjoyed throughout the summer months. This consistent duration from June to August reflects a peak in sunlight, fostering perfect conditions for beachgoers and outdoor enthusiasts alike. As the calendar shifts toward fall, daylight begins to wane, with September heralding a gentle decline to 12 hours. This trend, characterized by a gradual reduction in daylight, continues into the fall months, ultimately leading to the year’s shorter days in winter. Enjoy the vibrant summer days while they last, as the comforting warmth of the sun gradually gives way to the cooler, cozier months ahead.

Average Daylight Hours in Port Aransas for August

The chart illustrates the variation in daylight duration in Port Aransas throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 35m11h 12m12h12h 50m13h 31m13h 51m13h 40m13h 4m12h 16m11h 27m10h 44m10h 23m
Data source: Port Aransas daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Port Aransas

In Port Aransas, August brings a gentle breeze with an average wind speed of 5.4 m/s (12 mph), marking a notable dip compared to the previous months. This slight decrease follows a pattern seen throughout the summer, as wind speeds gradually decline from May's peak of 7.0 m/s (16 mph) to the more tranquil August and September conditions. While the winds are calmer, they provide a serene atmosphere ideal for leisurely seaside activities. As summer transitions into fall, we can see that the winds remain consistently mild, with only a marginal increase in speed during October, adding to the charm of coastal life in this beautiful region.

Average August Wind Speed in Port Aransas

The chart displays monthly wind speed patterns in Port Aransas, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.16.86.36.77.05.85.65.4 m/s5.45.55.86.4
Data source: Port Aransas August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Port Aransas Compares to Other Months

The weather in Port Aransas 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 Port Aransas and find detailed weather information for every month.

August and January present strikingly different weather patterns. In August, temperatures are significantly warmer, with a minimum of 24°C (75°F) and an average of 29°C (84°F), peaking at 31°C (88°F). This month also experiences higher precipitation, totaling 76 mm (3.0 in) over approximately 9 rainy days, while humidity remains high at 78%. In contrast, January offers much cooler temperatures, ranging from a chilly minimum of 1°C (33°F) to a pleasant average of 16°C (61°F) and a maximum of 25°C (77°F). Precipitation is lower at 48 mm (1.9 in) over about 7 days, but humidity is consistent at 78%. For more detailed insights, check out Port Aransas weather in January.

August and February weather exhibit stark contrasts in temperature and precipitation. In August, temperatures typically range from a minimum of 24°C (75°F) to an average of 29°C (84°F), peaking at 31°C (88°F), accompanied by humidity levels around 78%. This summer month also sees an average of 76 mm (3.0 in) of precipitation over nine days. In contrast, February experiences a much cooler climate, with temperatures dropping as low as -4°C (26°F) and averaging around 16°C (61°F), with a maximum of 23°C (74°F). The month is marked by 44 mm (1.7 in) of precipitation, also over nine days, and slightly higher humidity at 82%. For more detailed information, you can check Port Aransas weather in February.

August and March present contrasting weather patterns. August boasts a much warmer climate, with temperatures ranging from a minimum of 24°C (75°F) to an average of 29°C (84°F), peaking at a maximum of 31°C (88°F). The month experiences considerable humidity at 78% and sees about 76 mm (3.0 in) of precipitation over 9 days. In comparison, March offers significantly cooler temperatures, with a minimum of 4°C (39°F), an average of 19°C (67°F), and a maximum of 26°C (78°F). Although March is drier with 51 mm (2.0 in) of rainfall over just 6 days, the humidity remains high at 79%. For more details, you can explore Port Aransas weather in March.

When comparing the weather in August and April, a stark contrast is evident. August features much warmer temperatures, with a minimum of 24°C (75°F) and an average of 29°C (84°F), while April has cooler temperatures that range from a minimum of 11°C (52°F) to an average of 22°C (72°F). Though both months record humidity levels around 78% in August and 82% in April, April experiences less precipitation overall, averaging 48 mm (1.9 in) over just 6 days compared to August's 76 mm (3.0 in) over 9 days. For more details, check out Port Aransas weather in April.

When comparing the weather in August and May, a few notable differences emerge. August is generally warmer, with average temperatures around 29°C (84°F), peaking at 31°C (88°F), while May features slightly cooler conditions with an average of 25°C (78°F) and a maximum of 28°C (83°F). Precipitation patterns also differ significantly; May experiences more rainfall, totaling 143 mm (5.6 in) over 9 days, compared to August's 76 mm (3.0 in) during the same number of days. Additionally, humidity levels are consistently high in both months, but August tends to be slightly less humid at 78% compared to May's 81%. For a more detailed look at May's weather, you can check Port Aransas weather in May.

When comparing the weather in August to that of June, we see some notable differences. August typically has slightly higher average temperatures, with a minimum of 24°C (75°F) and an average of 29°C (84°F), while June features a minimum of 23°C (74°F) and an average of 28°C (82°F). Conversely, June experiences more precipitation, with 146 mm (5.7 in) over 11 days, compared to August's 76 mm (3.0 in) spread across 9 days. Humidity levels are fairly similar, with June at 77% and August at 78%. For a more in-depth look at June weather in Port Aransas, you can check out Port Aransas weather in June.

In comparing the weather between July and August, we see that both months experience similar maximum temperatures, peaking at 31°C (88°F). However, July tends to be slightly warmer overall, with a minimum temperature of 25°C (77°F) and an average temperature of 28°C (83°F) compared to August's minimum of 24°C (75°F) and average of 29°C (84°F). Precipitation in July is significantly higher, totaling 125 mm (4.9 in) over 9 days, whereas August sees 76 mm (3.0 in) of rain also over 9 days. Interestingly, humidity remains constant at 78% in both months, creating a similarly muggy atmosphere. For a more detailed look into the climatic conditions, you can check out the Port Aransas weather in July.

In comparing the weather between August and September, we see a slight decrease in average temperatures, with August averaging 29°C (84°F) compared to September's 28°C (82°F). Both months experience similar maximum temperatures, reaching up to 31°C (88°F). However, September is notably wetter, with total precipitation reaching 177 mm (7.0 in) over 16 days, compared to August's 76 mm (3.0 in) over just 9 days. Humidity remains relatively constant, slightly increasing from 78% in August to 79% in September. For a more detailed look at September weather, check out Port Aransas weather in September.

In August, temperatures range from a minimum of 24°C (75°F) to a maximum of 31°C (88°F), creating a warm average of 29°C (84°F), accompanied by high humidity at 78%. The month also sees about 76 mm (3.0 in) of precipitation over 9 days. Conversely, October presents a noticeable drop in nighttime temperatures, with a minimum of 12°C (54°F), while maintaining a comfortable average of 25°C (77°F) and a maximum of 30°C (86°F). Although it experiences slightly higher precipitation at 97 mm (3.8 in) over 12 days, the humidity remains fairly consistent at 77%. For more detailed insights, check out Port Aransas weather in October.

August and November present contrasting weather characteristics. In August, temperatures typically range from a minimum of 24°C (75°F) to a maximum of 31°C (88°F), with an average of 29°C (84°F). The month is marked by higher humidity levels at 78% and significant precipitation, totaling 76 mm (3.0 in) over approximately 9 days. In contrast, November features a much cooler climate, with temperatures ranging from a low of 6°C (43°F) to a high of 27°C (80°F), averaging around 21°C (69°F). Precipitation in November is slightly lower at 64 mm (2.5 in) over about 8 days, while humidity remains constant at 78%. For a detailed look at what to expect, check out Port Aransas weather in November.

In August, the weather is characterized by warm temperatures, with a minimum of 24°C (75°F) and an average of 29°C (84°F), reaching up to a maximum of 31°C (88°F). This month experiences higher humidity at 78% and a total precipitation of 76 mm (3.0 in) over about 9 days. In contrast, December presents a cooler and more temperate climate, featuring a minimum of 5°C (41°F) and an average of 18°C (64°F), peaking at 24°C (75°F). While December has slightly lower rainfall at 55 mm (2.2 in) spread across 7 days, the humidity remains relatively high at 80%. For a more detailed look at December's weather, check out Port Aransas weather in December.

Compare Port Aransas's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Port Aransas

As August rolls in, Port Aransas experiences a vibrant blend of summer heat and occasional tropical storms. With average temperatures hovering around 29°C (84°F), it offers warm days perfect for beach activities, contrasting with the milder temperatures of spring and fall. However, the 76 mm of rain spread across 9 days introduces a refreshing shift, making this month notably more humid with an average humidity of 78%. This unique combination of warmth and moisture distinguishes August from the rest of the year, enticing visitors to enjoy both sun-soaked afternoons and cooler, rainy evenings. For more detailed insights into the weather patterns throughout the year, check out Port Aransas Climate.