August Weather in Provincetown, United States

Last updated: February 24, 2025

In August, Provincetown, United States experiences a delightful summer climate characterized by a maximum temperature of 27°C (82°F) and a comfortable average of 21°C (71°F). Visitors can expect mild evenings, with temperatures dipping to a minimum of 16°C (61°F). Although the month sees a total precipitation of 71 mm (2.8 in) spread over 7 rainy days, the humidity remains relatively high at 76%, adding to the warm, tropical feel. This vibrant blend of weather conditions makes August an inviting time to enjoy beach activities and explore the charming town.

August Temperature in Provincetown

In August, Provincetown, United States, enjoys its warmest temperatures of the year, reflecting the peak of summer. With minimum temperatures hovering around 16°C (61°F) and averages reaching 21°C (71°F), this coastal town offers a delightful escape for sun-seekers. The maximum temperature can climb to 27°C (82°F), making outdoor activities especially appealing. This marked increase from the cooler temperatures of earlier months highlights a significant seasonal shift, as July also showcases similar warmth. As August comes to a close, the temperatures begin to taper off into September, but the lingering summer vibes and pleasant weather make it an ideal month for coastal adventures and vibrant beach life.

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

The chart illustrates August temperature patterns in Provincetown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec363637455262697166584840
Data source: Temperature data for Provincetown 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 Provincetown

August in Provincetown heralds a noticeable dip in precipitation, receiving only 71 mm (2.8 in) of rain over 7 days, making it one of the driest months of the year. This decline reflects a broader trend of decreasing rainfall that begins in the summer months, following the relatively wetter spring. With the summer sun shining brightly and fewer rainy days compared to July’s 91 mm (3.6 in), August is often a favorite for locals and visitors alike who wish to bask in the warm, delightful weather. As the season transitions into September, precipitation levels begin to rise again, hinting at the shift towards the wetter fall months ahead.

August Precipitation Trends in Provincetown

The chart displays monthly precipitation patterns in Provincetown, 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.
JanFebMarAprMayJunJulAugSepOctNovDec94115116134102899171109167103133
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Provincetown

In August, Provincetown experiences a humidity level of 76%, maintaining the mid-summer trend observed in July. Throughout the year, humidity remains notably high during the winter months, with values peaking at 84% in both January and February. As spring transitions to summer, there's a gradual decline, with humidity reaching its lowest point of 75% in September and October. Overall, the consistent humidity levels throughout the summer months create a warm and humid atmosphere ideal for beachgoers, while the slightly elevated levels in winter evoke a cozy, sea-swept charm that characterizes this picturesque coastal town.

August Average Humidity in Provincetown

This chart illustrates the average monthly humidity levels in Provincetown, 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 Provincetown

In August, Provincetown experiences a very high UV Index of 9, which means sun exposure can lead to skin burns in just 15 minutes. This trend of elevated UV levels continues from July, maintaining a steady peak that encourages locals and visitors alike to exercise caution while enjoying outdoor activities. Starting from April, the UV Index has shown a marked increase, rising from 8 to 9 for both July and August, emphasizing the importance of sun protection during these summer months. As the season starts to transition into autumn, the UV Index begins its gradual decline, hinting at the need for changing sun safety strategies. For more detailed information, visit Provincetown UV Index.

Maximum UV Index Levels in Provincetown for August

The chart shows the monthly maximum UV Index (UVI) for Provincetown 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.
JanFebMarAprMayJunJulAugSepOctNovDec3558910997642
Data source: Provincetown 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 Provincetown

As August rolls in, Provincetown basks in a glorious 325 hours of sunshine, just shy of the peak summer month, July, which boasts a remarkable 338 hours. This sunny stretch reflects a broader trend throughout the summer, where the days lengthen significantly, offering residents and visitors alike an abundance of radiant moments. The gradual increase in sunlight, starting from a modest 142 hours in January and peaking in late summer, energizes the vibrant local culture and outdoor activities. With September trailing off at 275 hours, August encapsulates the essence of summer, blending warmth and brightness as it preserves the blissful spirit of Provincetown.

Monthly Sunshine Duration in Provincetown: August Highlighted

The August sunshine duration represents the total number of hours Provincetown 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.
JanFebMarAprMayJunJulAugSepOctNovDec142h184h251h239h291h323h338h325h275h226h201h166h
Data source: Provincetown August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Provincetown During August

In August, Provincetown sees a 34% chance of sunny weather, aligning closely with the colder months of January and July, which also hover around this percentage. While summer typically brings longer days and warmer temperatures, August doesn’t stand out significantly in terms of sun compared to its preceding months. Interestingly, the probability of sunshine rises notably in September (48%), suggesting a shift towards more favorable weather conditions as the summer winds down. Overall, while August offers mild conditions, those seeking consistent sunshine might find the following month more rewarding.

Percentage of Sunny Days in August in Provincetown

The chart illustrates the percentage of sunny days in Provincetown 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 Provincetown experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec34%28%57%43%41%39%36%34%48%43%50%28%
Data source: Provincetown August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Provincetown in August

In Provincetown, United States, August marks a transitional phase in daylight duration, featuring 13 hours of daylight. This month represents a slight decline from the sun-soaked peak of 15 hours in June and the consistent 14 hours in July. As summer begins to wane, daylight gradually diminishes, hinting at the onset of autumn. Notably, this decrease is part of a broader trend, with daylight duration having steadily increased from the winter depths of 9 hours in January to the summer heights before retreating again. The rhythm of longer days giving way to shorter ones serves as a reminder of nature's cyclical dance, shaping the seasonal experience in this charming coastal town.

Average Daylight Hours in Provincetown for August

The chart illustrates the variation in daylight duration in Provincetown throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 29m10h 35m11h 58m13h 22m14h 34m15h 10m14h 51m13h 47m12h 25m11h 1m9h 47m9h 9m
Data source: Provincetown daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Provincetown

In August, Provincetown experiences its softest breezes of the year, with average wind speeds dipping to 4.9 m/s (11 mph). This trend marks a notable decrease from the gusty January winds, which blow at 7.8 m/s (17 mph), showcasing a gradual calming as summer progresses. The winds continue to ease through July, reaching their lowest point in August before beginning to pick up again in September. This gentle maritime airflow creates a tranquil environment, ideal for enjoying the scenic beauty and vibrant atmosphere of this coastal gem. As summer draws to a close, the return to slightly brisker winds signals a shift, hinting at the dynamic weather that awaits in the fall.

Average August Wind Speed in Provincetown

The chart displays monthly wind speed patterns in Provincetown, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7.87.97.76.86.26.45.34.9 m/s6.27.07.37.4
Data source: Provincetown August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Provincetown Compares to Other Months

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

August and January present strikingly different weather patterns. In August, temperatures range from a mild 16°C (61°F) to a pleasant 27°C (82°F), with an average around 21°C (71°F). The month experiences moderate rain, totaling 71 mm (2.8 in) over about 7 days, accompanied by relatively high humidity at 76%. In stark contrast, January brings much colder conditions, with minimum temperatures diving to -13°C (9°F) and a maximum of only 13°C (55°F), averaging just 2°C (36°F). This winter month sees greater precipitation at 94 mm (3.7 in) across roughly 10 days, along with slightly higher humidity at 84%. For a closer look at January’s chilly climate, check out Provincetown weather in January.

August and February present remarkably contrasting weather conditions. In August, temperatures range from a minimum of 16°C (61°F) to a maximum of 27°C (82°F), with an average temperature of 21°C (71°F). This period features relatively moderate precipitation at 71 mm (2.8 in) over about 7 days and a humidity level of 76%. In stark contrast, February experiences much colder temperatures, with a minimum of -12°C (11°F) and a maximum of 11°C (53°F), resulting in a chilly average of just 2°C (36°F). February also sees higher precipitation at 115 mm (4.5 in) spread over 11 days, coupled with increased humidity at 84%. For a closer look at the weather patterns during this winter month, check out Provincetown weather in February.

August features warm temperatures, with average highs around 27°C (82°F) and a pleasant humidity of 76%. In contrast, March is significantly cooler, with average highs only reaching 13°C (55°F) and minimum temperatures dipping as low as -9°C (17°F). While August experiences moderate rainfall of 71 mm over 7 days, March is wetter overall, receiving 116 mm of precipitation across 11 days. For a deeper look into what to expect, take a look at Provincetown weather in March.

When comparing the weather in August to that of April, there are striking differences in temperature and precipitation. August enjoys warmer temperatures with a minimum of 16°C (61°F) and an average of 21°C (71°F), reaching a pleasant maximum of 27°C (82°F). In contrast, April presents much cooler conditions, with temperatures ranging from a chilly 0°C (32°F) to a maximum of just 15°C (60°F), averaging around 7°C (45°F).

In terms of precipitation, April has significantly more rain, accumulating 134 mm (5.3 in) over 12 days, whereas August sees less rainfall at 71 mm (2.8 in) over only 7 days. Humidity levels are comparable, with April at 79% and August slightly lower at 76%. For those interested in exploring more about the specifics of April's weather, you can visit Provincetown weather in April.

Comparing the weather in August and May reveals distinct differences in temperature and precipitation. August enjoys milder temperatures, with an average of 21°C (71°F) ranging from a minimum of 16°C (61°F) to a maximum of 27°C (82°F), while May is much cooler, averaging 11°C (52°F) with lows of 4°C (40°F) and highs reaching only 20°C (69°F). Precipitation is more frequent in May, totaling 102 mm (4.0 in) over 11 days, compared to August's 71 mm (2.8 in) over 7 days. Both months have similar humidity levels, with May at 75% and August slightly higher at 76%. For more details on May conditions, visit Provincetown weather in May.

When comparing the weather in June and August, August generally offers warmer temperatures, with minimums averaging around 16°C (61°F) and maximums reaching 27°C (82°F), while June's temperatures range from a cooler 10°C (50°F) to a maximum of 24°C (75°F). Humidity levels are relatively similar, with August at 76% and June slightly higher at 78%. However, June experiences slightly more rainfall, totaling 89 mm (3.5 in) over 9 days compared to August's 71 mm (2.8 in) over 7 days. For a closer look at June conditions, visit Provincetown weather in June.

In comparing the weather of August to July, both months share similar temperature ranges, with August experiencing a minimum of 16°C (61°F), an average of 21°C (71°F), and a maximum of 27°C (82°F). July, on the other hand, has identical minimum temperatures but slightly elevated maximums, reaching 28°C (82°F). While both months exhibit high humidity levels at 76%, August sees a decrease in precipitation to 71 mm (2.8 in) over 7 days compared to July's higher total of 91 mm (3.6 in) over 8 days. For a more detailed look at the July weather specifically in Provincetown, you can check the link: Provincetown weather in July.

August and September showcase a gradual transition in weather patterns. August typically experiences higher average temperatures, with a minimum of 16°C (61°F) and a maximum of 27°C (82°F), while September sees a slight drop, with minimums at 13°C (56°F) and maximums at 26°C (79°F). Humidity remains relatively stable between the two months, with August at 76% and September slightly lower at 75%. However, September tends to be wetter, accumulating 109 mm (4.3 in) of precipitation over 9 days compared to August's 71 mm (2.8 in) over 7 days. For more details on September conditions, visit Provincetown weather in September.

August and October present quite a shift in weather patterns. In August, temperatures range from a mild 16°C (61°F) to a warm 27°C (82°F), with an average of 21°C (71°F) and relatively moderate precipitation of 71 mm (2.8 in) over about 7 days. The air is humid, sitting at around 76%. In contrast, October experiences cooler temperatures, with a minimum of 4°C (40°F) and an average of 15°C (59°F), peaking at 21°C (71°F). This month sees significantly more rainfall, with 167 mm (6.6 in) spread over 11 days, and slightly lower humidity at 75%. For a closer look at what to expect, you can check Provincetown weather in October.

August and November present a stark contrast in weather conditions. In August, temperatures range from a mild 16°C (61°F) at night to a warm average of 21°C (71°F) during the day, peaking at 27°C (82°F). The month experiences moderate humidity at 76% and some rainfall, totaling 71 mm (2.8 in) over about 7 days. In sharp contrast, November's temperatures drop significantly, with a minimum of -7°C (19°F) and an average of only 9°C (48°F), rising to a maximum of 19°C (66°F). This month also sees increased precipitation, with 103 mm (4.1 in) over 11 days, and slightly higher humidity at 80%. For more insights, you can check out Provincetown weather in November.

August and December present strikingly contrasting weather patterns. In August, temperatures are mild, with a minimum of 16°C (61°F) and an average of 21°C (71°F), peaking at a pleasant 27°C (82°F). Humidity is relatively high at 76%, and there is moderate rainfall of 71 mm (2.8 in) spread over about 7 days. Conversely, December experiences much colder conditions, with temperatures dropping significantly, featuring a minimum of -11°C (12°F) and an average of just 4°C (40°F), capped at a maximum of 15°C (59°F). Precipitation increases to 132 mm (5.2 in) over 12 days, while humidity remains high at 80%. For a detailed look at December's weather, you can check Provincetown weather in December.

Compare Provincetown's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Provincetown

August in Provincetown brings a delightful warmth that stands out from the cooler months, with pleasant temperatures encouraging outdoor adventures and beach outings. While the average temperature hovers around a comfortable 21°C, it can peak at 27°C, creating a vibrant and inviting atmosphere. Despite experiencing some rainfall, with around seven days of precipitation, the overall humidity levels add to the summer feel. This combination of warmth and light rain makes August a unique time to explore the beautiful coastal vistas. For a deeper dive into the climate dynamics of this enchanting town, check out Provincetown Climate.