August Weather in Rehoboth Beach, United States

Last updated: February 24, 2025

August in Rehoboth Beach, United States, presents a delightful coastal climate characterized by warm temperatures and moderate humidity. With a maximum of 30°C (86°F) and a comfortable average of 25°C (77°F), visitors can enjoy sun-soaked days and pleasant evenings. However, expect a few showers, as the area receives approximately 111 mm (4.4 in) of rain over 12 days throughout the month. Humidity levels hover around 72%, enhancing the summer feel while inviting beachgoers to immerse themselves in the refreshing Atlantic waters. Overall, August is a vibrant time to experience the charm of Rehoboth Beach.

August Temperature in Rehoboth Beach

In August, Rehoboth Beach basks in warm, inviting temperatures, making it a prime destination for summer fun. With minimums hovering around 19°C (66°F) and averages reaching a pleasant 25°C (77°F), the beach town is alive with sun-seekers and outdoor activities. The maximum temperatures can climb to 30°C (86°F), perfect for a refreshing dip in the Atlantic or lounging on the sandy shores. This month stands out, showcasing a clear upward trend in temperatures from the cooler spring months and peaking just as summer starts to wind down. As the days lengthen and the warmth envelops the coast, August epitomizes the vibrant spirit of summer in Rehoboth Beach, inviting visitors to soak in the sun before the seasonal transition.

August Weather in Rehoboth Beach: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Rehoboth Beach, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec394144526070777672655245
Data source: Temperature data for Rehoboth Beach 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 Rehoboth Beach

In August, Rehoboth Beach receives approximately 111 mm (4.4 in) of precipitation, marking a slight increase from July’s total of 112 mm (4.4 in) and maintaining consistency with the summer's typical wetness. With 12 rainy days in the month, August stands out as one of the wetter months, paralleling February's heavier downpours. This trend of elevated precipitation continues into the fall, with September also showing a notable 102 mm (4.0 in). The data suggests a characteristic pattern where summer storms can contribute significantly to monthly totals, while overall precipitation tends to taper off as the year progresses toward autumn. Such trends not only reflect Rehoboth Beach's vibrant coastal climate but also influence outdoor activities for both residents and visitors during the bustling vacation period.

August Precipitation Trends in Rehoboth Beach

The chart displays monthly precipitation patterns in Rehoboth Beach, 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.
JanFebMarAprMayJunJulAugSepOctNovDec831251139113578112111102147100125
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Rehoboth Beach

As the summer sun reaches its peak in August, Rehoboth Beach experiences a dip in humidity, boasting a comfortable 72%. This marks the lowest level of the year, following a gradual decline from 74% in July. Notably, the trend this month signals a shift towards drier air, which is a delightful relief for beachgoers. As the season shifts, humidity levels will begin to rise again in September, highlighting the transient nature of summer’s warmth. Overall, August in Rehoboth Beach offers a refreshing escape from the heavier humidity of earlier months, making it an ideal time to enjoy outdoor activities by the coast.

August Average Humidity in Rehoboth Beach

This chart illustrates the average monthly humidity levels in Rehoboth Beach, 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.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%83%81%78%79%74%72%75%81%85%84%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Rehoboth Beach

August in Rehoboth Beach sees the UV Index peak at 10, categorized as very high, which means sun exposure can lead to skin burn in as little as 15 minutes. This trend of intensifying UV radiation reaches its zenith during the summer months, with both June and July also registering a UV Index of 10. As summer wanes, September follows closely behind with a still significant UV Index of 8, indicating that the sun remains potent even as the season transitions. It’s crucial to stay mindful of sun safety during these warmer months, as consistent exposure can lead to increased risk. For more insights, check out the detailed UV Index for Rehoboth Beach UV Index.

Maximum UV Index Levels in Rehoboth Beach for August

The chart shows the monthly maximum UV Index (UVI) for Rehoboth Beach 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.
JanFebMarAprMayJunJulAugSepOctNovDec3579101010108753
Data source: Rehoboth Beach 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 Rehoboth Beach

August in Rehoboth Beach is a sun-soaked delight, featuring 332 hours of glorious sunshine that offer a perfect backdrop for summer activities. This month stands as a pinnacle of sunshine after a steady rise from January's 157 hours to July's peak at 360 hours. Although a slight dip occurs as summer eases towards fall, August remains a sun-kissed paradise, encasing long beach days and vibrant sunsets. This gradual transition into the autumn months is a reminder that the warmth of summer lingers just a bit longer, encouraging both locals and visitors to savor every sunlit moment before the days cool off.

Monthly Sunshine Duration in Rehoboth Beach: August Highlighted

The August sunshine duration represents the total number of hours Rehoboth Beach 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.
JanFebMarAprMayJunJulAugSepOctNovDec157h182h264h276h309h338h360h332h286h248h226h187h
Data source: Rehoboth Beach August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Rehoboth Beach During August

August in Rehoboth Beach presents a less favorable outlook for sunny weather, with only a 37% chance of sunshine—the lowest percentage among the summer months. This decline follows a peak in July at 55%, highlighting a notable shift as summer begins to wane. The trend shows that while July brings longer, brighter days, August tends to usher in more variable weather. Interestingly, after this dip, September sees an upswing to 57%, indicating a return to sunnier conditions as the season transitions. Overall, if you’re planning a sun-soaked getaway in August, you might want to prepare for a mix of sunshine and clouds.

Percentage of Sunny Days in August in Rehoboth Beach

The chart illustrates the percentage of sunny days in Rehoboth Beach 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 Rehoboth Beach experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec49%29%54%49%46%44%55%37%57%47%54%38%
Data source: Rehoboth Beach August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Rehoboth Beach in August

In August, Rehoboth Beach enjoys approximately 13 hours of daylight, marking a gradual decline from the peak of 14 hours seen in the summer months of June and July. This pattern highlights the transition from the vibrant, sun-drenched days of summer toward the cooler, shorter days of fall. As the days start to shorten, the warm evenings of August still offer plenty of opportunities for beachgoers to revel in the lingering summer light, creating a perfect backdrop for late-night bonfires and starlit strolls along the shore. With autumn approaching, August serves as a reminder of the sun’s steadfast presence before it retreats slowly through the subsequent months.

Average Daylight Hours in Rehoboth Beach for August

The chart illustrates the variation in daylight duration in Rehoboth Beach throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 47m10h 45m11h 58m13h 14m14h 17m14h 49m14h 31m13h 35m12h 23m11h 8m10h 2m9h 29m
Data source: Rehoboth Beach daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Rehoboth Beach

In Rehoboth Beach, August marks the peak of summer, and with it comes the calmest winds of the year, averaging a gentle 4.0 m/s (9 mph). This trend of diminishing wind speed begins in July, where summer's heat reaches its zenith, creating a tranquil atmosphere perfect for basking in the sun. As the months progress, wind speeds see a gradual increase heading into September, touching 5.6 m/s (12 mph). The overall pattern illustrates a noticeable dip during the peak summer months, providing ideal conditions for beachgoers, before the refreshing breezes return with the arrival of fall. This seasonal rhythm underscores the unique charm of Rehoboth Beach, where the summery stillness invites relaxation by the shore.

Average August Wind Speed in Rehoboth Beach

The chart displays monthly wind speed patterns in Rehoboth Beach, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.27.06.36.05.45.04.74.0 m/s5.66.16.75.6
Data source: Rehoboth Beach August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Rehoboth Beach Compares to Other Months

The weather in Rehoboth Beach 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 Rehoboth Beach and find detailed weather information for every month.

August and January present starkly contrasting weather conditions. In August, temperatures range from a mild 19°C (66°F) at night to a warm 30°C (86°F) during the day, with an average of 25°C (77°F). This month sees notable humidity at 72% and experiences precipitation on about 12 days, totaling 111 mm (4.4 in). In contrast, January brings much colder temperatures, with lows plunging to -11°C (13°F) and average highs reaching only 16°C (62°F). The average temperature sits at a frigid 4°C (39°F), and despite lower precipitation levels of 83 mm (3.3 in) over about 9 days, the humidity remains relatively high at 84%. For a detailed look at January's climate specifics, you can refer to Rehoboth Beach weather in January.

August and February present strikingly different weather conditions. In August, temperatures are warm, with a minimum of 19°C (66°F) and an average of 25°C (77°F), peaking at 30°C (86°F). The month experiences significant precipitation, totalling 111 mm (4.4 in) over about 12 days, with humidity levels around 72%. In contrast, February brings much colder temperatures, ranging from a minimum of -10°C (14°F) to a maximum of 14°C (58°F), and an average of only 5°C (41°F). February is slightly wetter with 125 mm (4.9 in) of precipitation, also spread across 12 days, but with a higher humidity of 83%. For more detailed insights on weather during this month, check out Rehoboth Beach weather in February.

In comparing the weather of August and March, notable contrasts emerge. August enjoys warmer temperatures, with a minimum of 19°C and an average of 25°C, reaching a maximum of 30°C. However, it also comes with a fair amount of precipitation, averaging 111 mm across 12 days, accompanied by a humidity level of 72%. In contrast, March experiences much cooler temperatures, with a minimum of -4°C and an average of 7°C, peaking at 18°C. Though the precipitation is slightly higher at 113 mm over 10 days, the humidity is considerably higher at 83%. For those interested in details about March weather, you can check Rehoboth Beach weather in March.

August and April offer contrasting weather experiences. In August, temperatures are generally warm, with a minimum of 19°C (66°F) and an average of 25°C (77°F), peaking at 30°C (86°F). The month sees a total precipitation of 111 mm (4.4 in) over about 12 days, with humidity levels around 72%. In contrast, April tends to be much cooler, with a minimum temperature of 2°C (36°F), an average of 11°C (52°F), and a maximum of 22°C (72°F). Precipitation is slightly lower at 91 mm (3.6 in) over 11 days, but humidity is higher at 81%. For more specific insights into the weather during this month, check out Rehoboth Beach weather in April.

In comparing the weather of August and May, August tends to be much warmer, with average temperatures ranging from a minimum of 19°C (66°F) to a maximum of 30°C (86°F), while May sees cooler temperatures, with averages between 5°C (41°F) and 26°C (79°F). August experiences 111 mm (4.4 in) of precipitation over 12 days, whereas May has slightly more rainfall at 135 mm (5.3 in) over 11 days. Additionally, humidity levels in August are at 72%, making it feel quite muggy, while May has a slightly higher humidity at 78%. For more details on May's weather, check out Rehoboth Beach weather in May.

In comparing August and June weather, August typically experiences warmer temperatures with a minimum of 19°C (66°F) and an average of 25°C (77°F), peaking at a maximum of 30°C (86°F). In contrast, June manifests a cooler climate, with temperatures starting as low as 13°C (56°F) and averaging 21°C (70°F), reaching a maximum of 28°C (83°F). Precipitation is more frequent in August, occurring on 12 days with a total of 111 mm (4.4 in), compared to June's 8 days and 78 mm (3.1 in). Additionally, humidity levels are slightly lower in August at 72%, while June's humidity is at 79%. For more detailed insights, you can check Rehoboth Beach weather in June.

In comparing the weather of August and July, we see that both months experience similar average temperatures, with August registering a minimum of 19°C and a maximum of 30°C, while July has a slightly higher minimum of 20°C and a maximum of 31°C. Precipitation levels are also closely matched, with August receiving 111 mm over 12 days and July slightly higher at 112 mm over just 9 days. Humidity levels are quite comparable as well, with August at 72% and July slightly higher at 74%. For more detailed insights into July's weather, you can explore Rehoboth Beach weather in July.

August tends to be warmer and slightly more humid than September, with average temperatures peaking at 25°C (77°F) and a maximum of 30°C (86°F). In contrast, September's temperatures cool down a bit, featuring a minimum of 15°C (59°F) and an average of 22°C (73°F). Both months experience similar levels of precipitation, though August sees a bit more rain over a greater number of days, totaling 111 mm (4.4 in) across 12 days compared to September's 102 mm (4.0 in) over 9 days. Humidity also remains relatively high in September at 75%, slightly surpassing August's 72%. For a deeper look at specific conditions, you can explore Rehoboth Beach weather in September.

When comparing the weather in August and October, one can see a significant shift in conditions. August typically offers warmer temperatures, with a minimum of 19°C (66°F) and an average high of 30°C (86°F), while October experiences much cooler weather, with a minimum of 8°C (47°F) and an average high of 28°C (82°F). Additionally, while August sees about 111 mm (4.4 in) of precipitation over 12 days, October has slightly more rainfall at 146 mm (5.8 in) across 11 days. Interestingly, October features higher humidity levels at 81%, compared to August's 72%. For more details on what to expect, check out Rehoboth Beach weather in October.

August and November present starkly contrasting weather patterns. In August, temperatures are warm and inviting, with a minimum of 19°C (66°F) and an average of 25°C (77°F), peaking at a maximum of 30°C (86°F). However, this month also sees higher precipitation, totaling 111 mm (4.4 in) over 12 days, and a humidity level of 72%. In contrast, November experiences a cooler climate with temperatures ranging from a minimum of -1°C (30°F) to an average of 11°C (52°F), reaching a comfortable maximum of 21°C (71°F). Precipitation slightly decreases to 100 mm (3.9 in) over 9 days, yet humidity rises to 85%. This shift signifies a transition from summer warmth to the crispness of late autumn. For more details, visit Rehoboth Beach weather in November.

August and December present stark contrasts in weather. In August, temperatures are warm, with averages around 25°C (77°F) and maximums reaching 30°C (86°F), accompanied by moderate humidity of 72% and a total precipitation of 111 mm (4.4 in) over roughly 12 days. In contrast, December brings a chill, featuring average temperatures dropping to 7°C (45°F), with minimums dipping as low as -6°C (22°F) and maximums hitting only 17°C (64°F). While precipitation increases slightly to 125 mm (4.9 in), it occurs over fewer days (10) and the humidity rises to 84%. For more detailed information: Rehoboth Beach weather in December.

Compare Rehoboth Beach's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Rehoboth Beach

In August, Rehoboth Beach experiences warm and inviting weather, making it a popular time for beachgoers. With daily high temperatures averaging around 25°C (77°F), the warmth lingers comfortably, contrasting with the cooler temps earlier in the season. However, it also brings higher humidity levels and a noticeable uptick in precipitation, with rain occurring on about 12 days of the month, leading to a total of 111 mm of rainfall. This blend of warmth and moisture makes August a vibrant yet unpredictable month in the coastal retreat. For more insights into seasonal trends, you can explore the detailed Rehoboth Beach Climate.