August Weather in Sag Harbor, United States

Last updated: February 24, 2025

In August, Sag Harbor experiences mild temperatures with maximums reaching 27°C (80°F) and a comfortable average of 23°C (73°F). The nights are pleasantly cool, dropping to a minimum of 17°C (63°F). While visitors can soak up the warmth, they should also prepare for rainy spells, as the area receives about 103 mm (4.0 in) of precipitation over 9 days, contributing to a humidity level of 76%. This combination of warmth and moisture creates a vibrant, lush environment, perfect for enjoying outdoor activities amidst the stunning coastal backdrop.

August Temperature in Sag Harbor

In Sag Harbor, August brings a delightful warmth as summer reaches its peak. With average temperatures around 23°C (73°F) and highs soaring to 27°C (80°F), it's a perfect time for outdoor adventures and seaside relaxation. The nights remain mild, with minimum temperatures settling at 17°C (63°F), creating a cozy atmosphere for evening gatherings. This month marks a significant contrast to the winter chill, which can dip to -13°C (8°F) in January, showcasing the region's climatic diversity. As the summer season winds down, residents and visitors alike savor the warmth before the cooler days of autumn begin to set in.

August Weather in Sag Harbor: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Sag Harbor, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec363739465464727368615042
Data source: Temperature data for Sag Harbor 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 Sag Harbor

In August, Sag Harbor experiences 103 mm (4.0 in) of precipitation over 9 days, maintaining a trend of relatively consistent rainfall characteristic of summer months. This marks a slight increase from July's 99 mm (3.9 in) while keeping pace with the moderate precipitation seen in preceding months. The summer months typically witness a blend of sunny days interspersed with refreshing rain, fostering a vibrant atmosphere before the onset of autumn. With August rainfall closely resembling that of September, which also receives 99 mm, it's clear that Sag Harbor’s climate in late summer remains dynamic, setting the stage for the wetter and cooler months ahead.

August Precipitation Trends in Sag Harbor

The chart displays monthly precipitation patterns in Sag Harbor, 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.
JanFebMarAprMayJunJulAugSepOctNovDec89123113137129729910399161113147
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Sag Harbor

In August, Sag Harbor experiences a humidity level of 76%, which aligns closely with the slightly lower figures recorded in July and September. This pattern suggests a gradual decline in humidity as the summer months draw to a close. Overall, while January and February boast the highest humidity at 84%, a noticeable decrease is observed as spring transitions into summer. The months from May through August reflect the most moderate humidity levels, hovering between 75% and 78%, creating a comfortable atmosphere for enjoying the coastal charm of this picturesque town. As the year progresses toward fall, humidity levels begin to rise again in November and December, reverting to the more substantial figures seen in the winter months.

August Average Humidity in Sag Harbor

This chart illustrates the average monthly humidity levels in Sag Harbor, 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%84%82%79%75%78%76%76%76%75%80%80%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Sag Harbor

In August, Sag Harbor experiences a UV Index of 9, maintaining its status within the very high exposure category, with a burn time of just 15 minutes. This trend follows the peak UV conditions seen in the summer months of June and July, which also recorded a UV Index of 10. As summer gradually transitions into fall, the UV Index begins to taper off slightly in September, yet remains notably high. It's essential for residents and visitors to stay vigilant about sun protection during this period, as the intensity of UV radiation can still pose health risks. For more details on the sun safety measures and UV trends throughout the year, visit Sag Harbor UV Index.

Maximum UV Index Levels in Sag Harbor for August

The chart shows the monthly maximum UV Index (UVI) for Sag Harbor 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.
JanFebMarAprMayJunJulAugSepOctNovDec35689101098642
Data source: Sag Harbor 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 Sag Harbor

August in Sag Harbor welcomes a vibrant burst of sunshine, contributing 327 hours of daylight, only slightly less than the peak bask of July with 349 hours. This warm summer month is a highlight of the seasonal progression, as it continues the upward trend initiated in the earlier months, showcasing a gentle decline from the summer highs. With sunlight steadily increasing since January's modest 153 hours, the community can revel in the resplendent warmth and beautiful outdoor activities that August brings. As the days gradually shorten into September, the lingering rays of summer offer a perfect opportunity to enjoy Sag Harbor’s picturesque landscapes before the cooler autumn air sets in.

Monthly Sunshine Duration in Sag Harbor: August Highlighted

The August sunshine duration represents the total number of hours Sag Harbor 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.
JanFebMarAprMayJunJulAugSepOctNovDec153h185h261h250h291h321h349h327h281h229h208h177h
Data source: Sag Harbor August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sag Harbor During August

In Sag Harbor, United States, August typically experiences a 35% chance of sunny weather, marking it as one of the cooler months for sunshine compared to its neighboring summer months of July (45%) and June (41%). This decline in sunny days may be attributed to the transition toward late summer, where relative humidity can increase alongside the occasional summer storms. Interestingly, the overall trend reveals that just as spring blooms with sunshine, August seems to embrace a more reserved disposition, reflected in the dip from earlier summer highs. As such, while August may not boast the sunniest reputation, it still holds its own charm, inviting visitors to relish the lingering warmth of summer amidst the gentle coastal breezes.

Percentage of Sunny Days in August in Sag Harbor

The chart illustrates the percentage of sunny days in Sag Harbor 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 Sag Harbor experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec49%31%59%49%46%41%45%35%49%46%53%32%
Data source: Sag Harbor August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sag Harbor in August

As August arrives in Sag Harbor, the enchanting summer days linger, offering 13 hours of daylight. This marks a gentle decline from the sun-drenched peak of 15 hours in June and 14 hours in July, creating a subtle transition into the cooler months ahead. The gradual reduction in daylight, characteristic of late summer, signals a shift towards autumn, with September bringing 12 hours and October reducing to 11 hours. This rhythmic pattern of fluctuating daylight not only enhances the beauty of Sag Harbor’s summer but also reminds us of the seasonal cycle, as life gradually adapts to the impending changes.

Average Daylight Hours in Sag Harbor for August

The chart illustrates the variation in daylight duration in Sag Harbor throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 35m10h 38m11h 58m13h 20m14h 29m15h 3m14h 44m13h 43m12h 24m11h 3m9h 52m9h 15m
Data source: Sag Harbor daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Sag Harbor

In Sag Harbor, August brings a gentle breeze, with an average wind speed of 4.9 m/s (11 mph). This slight uptick from July's calmest winds reflects a seasonal shift, as the seaside town enjoys the waning warmth of summer. As the hottest months progress, there’s a noticeable trend toward softer winds, which typically reach their lowest points in July and August. However, as summer transitions to fall, wind speeds begin to rise again in September, hinting at the revitalizing gusts that the autumn months will usher in. Overall, August's light winds provide a tranquil backdrop, perfect for enjoying the serene beauty of the coast before the busier seasons begin.

Average August Wind Speed in Sag Harbor

The chart displays monthly wind speed patterns in Sag Harbor, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7.37.36.96.26.05.64.84.9 m/s6.16.76.86.6
Data source: Sag Harbor August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Sag Harbor Compares to Other Months

The weather in Sag Harbor 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 Sag Harbor and find detailed weather information for every month.

August and January present contrasting weather patterns, reflecting the extremes of summer and winter. In August, temperatures range from a mild 17°C (63°F) at night to a warm 27°C (80°F) during the day, accompanied by a higher humidity of 76% and an average rainfall of 103 mm (4.0 in) over about 9 days. In stark contrast, January showcases a colder environment with temperatures plummeting to a minimum of -13°C (8°F), averaging just 2°C (37°F) and reaching a maximum of 13°C (56°F). This winter month experiences slightly less precipitation at 89 mm (3.5 in) but has an increased humidity of 84%. For more details on the conditions in January, visit Sag Harbor weather in January.

When comparing the weather in August and February, we see stark contrasts. August typically enjoys milder temperatures, ranging from a minimum of 17°C (63°F) to a maximum of 27°C (80°F), with an average of 23°C (73°F). In this month, precipitation is moderate at 103 mm (4.0 in) over about 9 days, and humidity levels are relatively high at 76%. In contrast, February is characterized by significantly colder temperatures, with a minimum of -12°C (11°F) and a maximum of 12°C (53°F), averaging just 3°C (37°F). This winter month experiences slightly higher precipitation at 123 mm (4.8 in) over 11 days and exhibits even higher humidity at 84%. For a more in-depth look at February weather patterns, you can visit Sag Harbor weather in February.

August and March present striking contrasts in temperature and overall weather conditions. August typically enjoys milder temperatures, with a minimum of 17°C (63°F) and an average of 23°C (73°F), while March is much chillier, starting from a minimum of -7°C (20°F) and averaging only 4°C (39°F). Moreover, August's humidity hovers around 76%, creating a warm and humid environment, whereas March experiences slightly higher humidity at 82%. Both months receive a comparable amount of precipitation, with August at 103 mm (4.0 in) over 9 days and March slightly more at 113 mm (4.5 in) over 10 days. For a closer look at the weather specifics in March, you can take a look at Sag Harbor weather in March.

When comparing the weather in August and April, notable differences emerge in both temperature and precipitation patterns. August boasts a warmer climate, with average temperatures ranging from 17°C (63°F) to 27°C (80°F), while April sees cooler averages, from 0°C (33°F) to 16°C (61°F). In terms of precipitation, April is slightly wetter, with 137 mm (5.4 in) over 12 days, compared to August's 103 mm (4.0 in) over 9 days. Humidity levels are similar, with April at 79% and August at 76%, creating a moist environment in both months. For more detailed insights on April weather, you can check Sag Harbor weather in April.

In comparing the weather of August and May, August is distinctly warmer, with average temperatures ranging from a minimum of 17°C (63°F) to a maximum of 27°C (80°F), while May's temperatures are much cooler, with a minimum of 4°C (39°F) and a maximum of 20°C (69°F). Despite August having slightly less precipitation at 103 mm (4.0 in) over 9 days, it remains quite humid with an average humidity of 76%. In contrast, May experiences more rainfall at 129 mm (5.1 in) across 13 days, with humidity at a comparable 75%. For a closer look at the specifics of May weather, you can visit Sag Harbor weather in May.

In comparing the weather of June and August, August tends to be warmer, with average temperatures ranging from a minimum of 17°C (63°F) to a maximum of 27°C (80°F), while June sees an average temperature ranging from 11°C (52°F) to 24°C (75°F). Additionally, August is more humid with a humidity level of 76%, slightly higher than June's 78%. Precipitation also varies, with August receiving 103 mm (4.0 in) over 9 days, compared to June's 72 mm (2.9 in) over 8 days. For a more detailed look into June's weather, you can check out Sag Harbor weather in June.

In comparing the weather of August and July, we see some notable similarities and differences. August features a slightly higher minimum temperature of 17°C (63°F) compared to July's 16°C (61°F) and an average temperature that is just a degree warmer at 23°C (73°F) versus July's 22°C (72°F). However, July boasts a marginally higher maximum temperature, reaching 28°C (82°F), while August peaks at 27°C (80°F). Precipitation levels are similar, with August receiving 103 mm (4.0 in) over 9 days and July slightly less at 99 mm (3.9 in) across 10 days. Both months share the same humidity level of 76%. For a detailed look at July's weather in Sag Harbor, you can visit Sag Harbor weather in July.

August tends to be warmer and more humid compared to September, with average temperatures ranging from a minimum of 17°C (63°F) to a maximum of 27°C (80°F). Throughout the month, August experiences approximately 103 mm (4.0 in) of precipitation over 9 days, leading to a humidity level of 76%. In contrast, September sees cooler temperatures, with an average range of 12°C (55°F) to 26°C (79°F) and a slight decrease in precipitation at 99 mm (3.9 in) spread over 10 days. The humidity also remains relatively stable at 75%. For more specific details about September weather, you can check Sag Harbor weather in September.

August and October present contrasting weather patterns, reflecting the transition from summer to autumn. In August, temperatures are generally warmer, with averages around 23°C (73°F) and maximums reaching 27°C (80°F). Humidity is quite high at 76%, and the month experiences a fair amount of rainfall, totaling 103 mm (4.0 in) over about 9 days. In contrast, October sees lower temperatures, with an average of 16°C (61°F) and minimums dropping to 5°C (42°F). While it remains humid at 75%, October also features increased precipitation at 160 mm (6.3 in) spread over 14 days. For a deeper look at the climate specifics, check out Sag Harbor weather in October.

August and November present significantly contrasting weather conditions. In August, temperatures range from a mild 17°C (63°F) at night to a warm maximum of 27°C (80°F) during the day, accompanied by a substantial amount of humidity at 76%. The month experiences about 103 mm (4.0 in) of precipitation over 9 days. In contrast, November brings cooler temperatures, with a minimum of -5°C (24°F) and an average of only 10°C (50°F), despite reaching a maximum of 19°C (67°F). Precipitation slightly increases to 113 mm (4.4 in) over 10 days, and humidity rises to 80%. For more detailed information, you can visit Sag Harbor weather in November.

August and December present stark contrasts in weather. In August, temperatures are mild to warm, with averages around 23°C (73°F) and maximums reaching 27°C (80°F), while December brings a chill, with average temperatures plummeting to 5°C (42°F) and minimums dropping to as low as -9°C (16°F). Precipitation is more frequent in December, with 12 rainy days accumulating 147 mm (5.8 in), compared to 9 days and 103 mm (4.0 in) in August. Additionally, humidity remains relatively high in both months, at 76% in August and slightly higher at 80% in December. For more detailed insights, check out Sag Harbor weather in December.

Compare Sag Harbor's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Sag Harbor

August in Sag Harbor ushers in a warm, inviting atmosphere, with temperatures typically warmer than the preceding summer months. The blend of higher humidity and occasional rainfall creates a slightly tropical vibe, making it a unique time to experience this coastal gem. Unlike the cooler, drier conditions of early summer, August often feels more lush and vibrant, perfect for enjoying outdoor activities. If you're keen to understand how August weather fits into the broader climate picture, be sure to explore Sag Harbor Climate.