August Weather in Gloucester, United States

Last updated: February 24, 2025

In August, Gloucester, United States experiences pleasant summer weather, with average temperatures around 21°C (70°F) and daily highs reaching up to 28°C (82°F). The month showcases a comfortable atmosphere, with a minimum temperature dipping to 16°C (60°F). Residents and visitors can expect a moderate level of humidity at 66%, contributing to the warm, inviting conditions. Despite the warmth, August brings about 62 mm (2.5 in) of precipitation over approximately 8 days, adding refreshing breaks to the sunny spells. This blend of warmth and occasional rain creates an ideal backdrop for outdoor activities and seaside adventures.

August Temperature in Gloucester

In August, Gloucester experiences a delightful warmth, with temperatures showcasing a comfortable range. The minimum temperature sits at 16°C (60°F), while the average climbs to 21°C (70°F), peaking at a maximum of 28°C (82°F). This marks a noticeable shift from the cooler months earlier in the year, with August offering the highest temperatures since July. The consistent rise in temperature from the start of summer creates an inviting atmosphere perfect for outdoor activities, making it a prime time to enjoy Gloucester's beautiful coastal scenery and vibrant local events. As the summer winds down, August stands out as a month of warmth and liveliness, beckoning both locals and visitors alike to embrace the season's final flourish.

August Weather in Gloucester: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Gloucester, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec333437445361697065574537
Data source: Temperature data for Gloucester 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 Gloucester

In August, Gloucester experiences a notable dip in precipitation, recorded at 62 mm (2.5 in), making it one of the driest months of the year. With rainfall occurring over just 8 days, this month stands out against the typically wetter earlier summer months such as April and July, which see averages exceeding 105 mm (4.1 in). This trend of decreased rainfall continues into September, where precipitation slightly increases to 97 mm (3.8 in) but remains lower compared to the earlier spring and summer totals. Overall, August serves as a transitional month, signaling a shift towards the drier late summer period, offering a brief respite before the autumn rains return.

August Precipitation Trends in Gloucester

The chart displays monthly precipitation patterns in Gloucester, 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.
JanFebMarAprMayJunJulAugSepOctNovDec92118111165104901056297177116150
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Gloucester

In Gloucester, United States, August marks a continued trend of declining humidity levels that began in the preceding months. With humidity dropping to 66%, it is the least humid month of the year, highlighting a significant departure from the winter’s peak of 86% in January. As the seasons transition, summer brings a gradual decrease from 72% in both May and June, followed by a further drop to 67% in July. This downward trend continues into August, suggesting a shift towards drier conditions leading into the crisper fall months. Following August, humidity begins to rise again in September, indicating a cyclic pattern in Gloucester's climate where summer warmth gives way to the cooler and more humid autumn.

August Average Humidity in Gloucester

This chart illustrates the average monthly humidity levels in Gloucester, 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.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%82%80%72%72%67%66%71%79%84%81%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Gloucester

In August, Gloucester experiences a UV Index of 9, placing it in the very high exposure category with a burn time of just 15 minutes. This month maintains the high levels of UV radiation seen in July, reflecting a summer peak that can be quite intense. The trend is notable, as the UV Index significantly rises from the relatively low levels earlier in the year, such as 2 in January and 4 in February. As the summer progresses, caution becomes paramount; residents and visitors should take protective measures to enjoy the sunny days safely. For more insights on the UV Index throughout the year, visit Gloucester UV Index.

Maximum UV Index Levels in Gloucester for August

The chart shows the monthly maximum UV Index (UVI) for Gloucester 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.
JanFebMarAprMayJunJulAugSepOctNovDec2458910997642
Data source: Gloucester 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 Gloucester

In August, Gloucester basks in the summer glow with 330 hours of sunshine, a peak reminiscent of the prior month, July, which recorded 340 hours. This sunlight abundance signals a vibrant culmination of summer, following the steady upward trend from the early year, where January only saw 152 hours. The months leading up to August reveal a gradual increase, built on the foundations of spring and the warm welcome of summer. Notably, the sunshine hours begin to decline following August, dipping to 280 hours in September as summer gently transitions to fall. This pattern highlights Gloucester's rich summer warmth, fostering an inviting atmosphere for outdoor activities and leisurely pursuits.

Monthly Sunshine Duration in Gloucester: August Highlighted

The August sunshine duration represents the total number of hours Gloucester 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.
JanFebMarAprMayJunJulAugSepOctNovDec152h188h255h244h295h330h340h330h280h228h202h176h
Data source: Gloucester August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Gloucester During August

In August, Gloucester experiences a 32% chance of sunny weather, marking it as one of the less bright months of the year. This likelihood continues a downward trend that begins in the spring, with June and July seeing slightly higher chances of sunshine at 41% and 34%, respectively. As the summer reaches its peak, the cloudier conditions seem to settle in, contrasting with the sunnier disposition of early spring, where March boasts a 61% chance of sun. Interestingly, September follows August with a more promising 46%, suggesting that while August may feel a bit overcast, the return of clearer skies is just around the corner.

Percentage of Sunny Days in August in Gloucester

The chart illustrates the percentage of sunny days in Gloucester 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 Gloucester experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec41%34%61%42%39%41%34%32%46%39%55%31%
Data source: Gloucester August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Gloucester in August

As summer transitions to autumn, August in Gloucester offers a delightful 13 hours of daylight, marking a gradual decline from the sunniest months of June and July. This month serves as a bridge, with vibrant warmth still present while daylight starts to wane. In June, residents enjoyed a peak of 15 hours of brightness, but by August, a subtle shift is evident as shorter days begin to approach the 12 hours of sunlight typical in September. The overall trend showcases the rhythmic change of seasons, with daylight steadily diminishing as Gloucester prepares to welcome the cooler months ahead.

Average Daylight Hours in Gloucester for August

The chart illustrates the variation in daylight duration in Gloucester throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 26m10h 33m11h 57m13h 24m14h 37m15h 14m14h 54m13h 49m12h 26m10h 59m9h 44m9h 5m
Data source: Gloucester daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Gloucester

In August, the winds in Gloucester saw a gentle decline, with average speeds dropping to 4.3 m/s (10 mph), making it one of the calmest months of the year. This dip follows a gradual trend observed since July, where winds were slightly stronger at 4.4 m/s (10 mph). The summer months overall showcase a consistent decrease, starting from a moderate 6.7 m/s (15 mph) in March and tapering downwards to the mild breezes of late summer. As the year progresses into September, there's a slight uptick in wind speed to 5.0 m/s (11 mph), indicating a seasonal transition. This pattern highlights how Gloucester's winds tend to soften in August, creating serene coastal days perfect for leisurely summer activities.

Average August Wind Speed in Gloucester

The chart displays monthly wind speed patterns in Gloucester, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.66.46.75.65.45.14.44.3 m/s5.05.96.06.1
Data source: Gloucester August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Gloucester Compares to Other Months

The weather in Gloucester 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 Gloucester and find detailed weather information for every month.

In August, the weather is much milder with temperatures ranging from a minimum of 16°C (60°F) to a maximum of 28°C (82°F) and an average of 21°C (70°F). Despite receiving an average of 62 mm (2.5 in) of precipitation over about 8 days, the humidity is relatively comfortable at 66%. In stark contrast, January brings harsh winter conditions, with temperatures dropping to a minimum of -17°C (2°F) and an average of just 1°C (33°F). The maximum temperature reaches only 15°C (59°F) and precipitation rises to 92 mm (3.6 in) over 9 days, coupled with a higher humidity of 86%. For a detailed look at winter weather conditions, visit Gloucester weather in January.

August and February offer starkly contrasting weather experiences. In August, temperatures are pleasant, ranging from a minimum of 16°C (60°F) to a maximum of 28°C (82°F), with an average of 21°C (70°F). This month sees moderate humidity at 66% and relatively low precipitation, averaging 62 mm (2.5 in) over about 8 days. In contrast, February is much colder, with temperatures dipping to a minimum of -14°C (8°F) and peaking at a mere 12°C (55°F), averaging just 1°C (34°F). This winter month is characterized by higher humidity levels at 84% and increased precipitation, totaling 118 mm (4.6 in) across approximately 11 days. For more detailed insights into weather conditions, check out Gloucester weather in February.

When comparing the weather in August and March, it’s evident that these two months showcase contrasting climates. August enjoys relatively mild temperatures, with averages around 21°C (70°F) and highs reaching up to 28°C (82°F), accompanied by moderate humidity at 66%. In contrast, March is much cooler, featuring an average temperature of just 3°C (37°F) and lows dropping to -11°C (13°F). Precipitation is also higher in March, with 111 mm (4.4 in) falling on roughly 11 days compared to August's 62 mm (2.5 in) over 8 days. For more detailed insights into March weather, you can visit Gloucester weather in March.

When comparing the weather of April and August, there is a stark contrast in both temperature and precipitation. August typically enjoys milder temperatures, with a minimum of 16°C (60°F) and an average around 21°C (70°F), allowing for pleasant days under the sun. In contrast, April experiences much cooler temperatures, ranging from a minimum of -1°C (31°F) to a maximum of 18°C (65°F), making it one of the colder months of the year.

Additionally, April sees significantly higher precipitation, averaging 165 mm (6.5 in) over 13 days, compared to August, which has only 62 mm (2.5 in) over 8 days. Humidity levels are also higher in April at 80%, compared to 66% in August, resulting in a noticeably different atmosphere during these two months. For more detailed insights into April weather, you can check out Gloucester weather in April.

When comparing the weather in August and May, it's evident that August tends to be warmer and drier. August enjoys a milder temperature range with minimums around 16°C (60°F) and maximums reaching up to 28°C (82°F), while May starts cooler with minimums of 4°C (39°F) and maximums around 22°C (72°F). In terms of precipitation, August experiences 62 mm (2.5 in) over about 8 days, as opposed to May's 104 mm (4.1 in) spread across 10 days, indicating that May is significantly wetter. Additionally, humidity levels are slightly higher in May at 72% compared to August's 66%. For more detailed weather insights, you can check Gloucester weather in May.

When comparing the weather in August and June, August generally presents warmer conditions with a minimum temperature of 16°C (60°F) and an average of 21°C (70°F), while June starts cooler, with a minimum of 10°C (50°F) and an average of 16°C (62°F). The maximum temperature in August reaches 28°C (82°F), compared to 26°C (79°F) in June. However, June experiences more precipitation at 90 mm (3.6 in) over 9 days, whereas August receives slightly less at 62 mm (2.5 in) over 8 days. Humidity levels are also higher in June at 72%, compared to 66% in August. For a more detailed look at weather patterns during this month, check out Gloucester weather in June.

In comparing the weather between July and August, both months exhibit relatively mild temperatures, with August experiencing a minimum of 16°C (60°F), an average of 21°C (70°F), and a maximum of 28°C (82°F). July, on the other hand, has a slightly cooler average temperature of 20°C (69°F) but reaches a similar maximum of 28°C (83°F). Notably, July sees much higher precipitation, totaling 105 mm (4.1 in) over 11 days, compared to August's 62 mm (2.5 in) over 8 days. Humidity levels are nearly identical, with July at 67% and August at 66%. For more details, you can explore Gloucester weather in July.

August tends to be warmer than September, with average temperatures reaching up to 21°C (70°F) compared to September's average of 18°C (65°F). While the maximum temperature in August peaks at 28°C (82°F), September sees a slightly lower maximum of 26°C (80°F). Both months experience similar precipitation days, but September receives 97 mm (3.8 in) of rainfall, which is notably higher than August's 62 mm (2.5 in). Additionally, humidity levels rise from 66% in August to 71% in September, contributing to a feel of increased moisture in the air. For more detailed weather insights, check out Gloucester weather in September.

August offers a warm and pleasant climate with average temperatures ranging from a mild 16°C (60°F) at night to a comfortable 28°C (82°F) during the day. However, it does experience some humidity at 66% and sees about 62 mm (2.5 in) of precipitation over approximately 8 days. In contrast, October brings a notable shift in weather, with average temperatures dropping to a maximum of 22°C (72°F) and a minimum of just 3°C (37°F). Precipitation increases significantly during this month to 177 mm (7.0 in), occurring over 12 days, and the humidity also rises to 78%. For a detailed overview of October's weather specifics, you can check Gloucester weather in October.

August and November present stark contrasts in weather conditions. In August, temperatures typically range from a minimum of 16°C (60°F) to a pleasant maximum of 28°C (82°F), with average conditions hovering around 21°C (70°F). The month sees relatively moderate precipitation of 62 mm (2.5 in) over about 8 days, accompanied by a humidity level of 66%. In contrast, November experiences a notable drop in temperatures, with minimums plunging to -9°C (16°F) and an average of only 7°C (46°F), peaking at 19°C (67°F). This month also brings increased precipitation, totaling 115 mm (4.5 in) across 11 days, and higher humidity levels at 84%. For more detailed information, check out Gloucester weather in November.

August and December present starkly contrasting weather conditions. In August, temperatures range from a mild 16°C (60°F) to a warm 28°C (82°F), with an average of 21°C (70°F). The month experiences a moderate level of precipitation at 62 mm (2.5 in) over 8 days, accompanied by a humidity level of 66%. In contrast, December brings a significant drop in temperature, with minimums plummeting to -16°C (4°F) and an average of just 3°C (38°F), peaking at a max of 14°C (58°F). This month is also notably wetter, with 150 mm (5.9 in) of precipitation over 10 days and higher humidity levels at 81%. For a more detailed look at December weather in Gloucester, you can check this link: Gloucester weather in December.

Compare Gloucester's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Gloucester

As August rolls into Gloucester, the weather presents a delightful mix that sets it apart from the cooler months. With pleasant average temperatures hovering around 21°C (70°F), it offers a perfect backdrop for outdoor activities, unlike the chillier days of spring and fall. This month typically experiences higher humidity levels, which combine with a few light rain showers—averaging around 8 days of precipitation—to maintain a lush, vibrant landscape. While the maximum temperatures can reach a comfortable 28°C (82°F), the evenings often cool down, providing a refreshing contrast. Embrace the warmth and vibrant atmosphere of Gloucester in August, a time that beautifully captures the essence of summer before the crisp fall air takes over. For more information on the city's weather patterns, visit Gloucester Climate.