August Weather in Pago Pago, American Samoa

Last updated: August 21, 2025

Experience the tropical charm of Pago Pago, American Samoa in August, where temperatures generally range from a comfortable 24°C (76°F) to a warm 28°C (83°F), with an average hovering around 26°C (80°F). This month is characterized by high humidity levels at 83%, contributing to the lush landscapes. While August sees about 128 mm (5.1 in) of rainfall spread across 20 days, the vibrant greenery and stunning views make it a picturesque time to visit. Embrace the beauty of the season as you explore this enchanting Pacific paradise!

August Temperature in Pago Pago

In August, Pago Pago, American Samoa presents a warm embrace with temperatures that reflect the island's tropical charm. The minimum temperature hovers around a pleasant 24°C (76°F), while the average dips slightly to 26°C (80°F), providing a comforting warmth without becoming stifling. The maximum temperature reaches 28°C (83°F), a consistent hallmark of the region’s late winter that invites outdoor adventures. As the summer months give way to a slightly cooler ambiance, August stands out with its steady temperatures, promoting a serene escape amidst nature’s beauty. This month continues the trend of mild conditions typical of the season, making it an ideal time for relaxation and exploration on this picturesque island.

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

The chart illustrates August temperature patterns in Pago Pago, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pago Pago, August typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec818181818181808080808081
Data source: Temperature data for Pago Pago 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 Pago Pago

In August, Pago Pago experiences a notable drop in precipitation, with only 128 mm (5.1 in) recorded, making it one of the driest months of the year. This decrease in rainfall is reflected in the number of wet days, totaling just 20, compared to the wetter months earlier in the year, such as February with 464 mm (18.3 in) over 25 days. This trend suggests that as the year progresses towards its end, particularly after the heavy rains of the first half, August serves as a transitional period with milder rainfall, providing a brief respite before the wet season resumes in the fall months. Overall, the pattern reveals a shift from intense rainfall early on to a more tempered climate in late summer, setting the stage for the upcoming seasonal changes.

August Precipitation Trends in Pago Pago

The chart displays monthly precipitation patterns in Pago Pago, 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. In Pago Pago, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec301464195228210178152129136225266360
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

August Humidity in Pago Pago

In August, Pago Pago experiences a notable uptick in humidity, reaching 83%, marking it as one of the more humid months of the year. This trend is consistent with the gradual increase in humidity levels observed from July to October, where humidity peaks at 85% in October. Throughout the year, humidity remains relatively high, averaging around 79-80% in the earlier months before rising steadily in mid to late summer. As a result, August stands out as a key period for the warm, tropical feel that characterizes life in this beautiful locale, making hydration and comfort essential for both residents and visitors alike.

August Average Humidity in Pago Pago

This chart illustrates the average monthly humidity levels in Pago Pago, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Pago Pago is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%80%79%79%80%80%81%83%84%85%82%82%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Pago Pago

In August, Pago Pago experiences a UV Index of 12, falling into the extreme exposure category, with a burn time of just 10 minutes. This marks a notable shift from the peak intensity of 16 seen in the first half of the year, particularly in January and February. However, August’s UV levels are still significantly high, reminding residents and visitors alike to prioritize sun protection. Following August, the UV Index rises again, peaking at 15 in October, continuing a trend of extreme UV exposure throughout the latter part of the year. For more detailed insights into UV exposure in this vibrant region, visit Pago Pago UV Index.

Maximum UV Index Levels in Pago Pago for August

The chart shows the monthly maximum UV Index (UVI) for Pago Pago 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. In August, the maximum UV index in Pago Pago typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1616151311991214151515
Data source: Pago Pago 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 Pago Pago

In August, Pago Pago enjoys a delightful 293 hours of sunshine, marking a peak in the summer warmth that the island is known for. This month shines brightly after July’s 271 hours, and stands just below September, which boasts 301 hours. The trend clearly indicates a vibrant summer, with sunshine hours generally increasing from January’s 232 hours through the spring and summer months, reaching a pinnacle in the fall. The consistent rise illustrates how the sun embraces this picturesque paradise, making August a perfect time for outdoor adventures and soaking in the tropical radiance.

Monthly Sunshine Duration in Pago Pago: August Highlighted

The August sunshine duration represents the total number of hours Pago Pago 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.
JanFebMarAprMayJunJulAugSepOctNovDec232h224h310h272h281h264h271h293h301h308h299h290h
Data source: Pago Pago August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Pago Pago During August

In Pago Pago, American Samoa, the likelihood of sunny weather typically peaks in the latter half of the year. While August boasts a 50% chance of sunshine, it's notably lower than the 75% experienced in September. This month serves as a transitional point, following a notable rise in sunny days from 64% in July. As summer wanes, residents can expect a pleasant balance of sun and clouds, making August an appealing time for outdoor activities. The trend indicates that although sunshine is more prevalent as the year progresses, August still offers a fair share of sunny moments amidst the tropical ambiance.

Percentage of Sunny Days in August in Pago Pago

The chart illustrates the percentage of sunny days in Pago Pago 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 Pago Pago experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec31%23%26%42%58%47%64%50%75%47%43%34%
Data source: Pago Pago August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Pago Pago in August

In August, Pago Pago, American Samoa, experiences 11 hours of daylight, aligning with a gradual trend observed since late spring. As the year progresses from April through August, daylight hours remain steady at 11, a shift from the consistent 12 hours seen in the earlier months. This period hints at the onset of the austral winter, where daylight begins to recede before increasing again in September. As the vibrant landscapes of American Samoa bask in this ample, albeit reduced, sunlight, residents and visitors alike can enjoy the unique charm of an island summer gradually transitioning into a cooler season.

Average Daylight Hours in Pago Pago for August

The chart illustrates the variation in daylight duration in Pago Pago throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 50m12h 32m12h 8m11h 44m11h 25m11h 16m11h 21m11h 38m12h 1m12h 25m12h 46m12h 56m
Data source: Pago Pago daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Pago Pago

In August, the winds in Pago Pago, American Samoa start to pick up, averaging a brisk 6.4 m/s (14 mph), which marks a slight decrease from the more vigorous 7.3 m/s (16 mph) experienced in July. This month embodies a transitional phase, with the tail end of the peak wind season beginning to yield to softer breezes. Notably, the wind speeds remain relatively consistent through August and into October, each holding steady at 6.4 m/s. Compared to the earlier months of the year, such as April’s gentle 3.9 m/s (9 mph), August stands out as a vibrant time when the tropical breezes provide a refreshing respite from the warmth, making it an ideal month for outdoor activities along the stunning coastlines. The winds of August beautifully reflect the rhythmic patterns of the Samoan climate, offering both excitement and comfort as the seasons shift.

Average August Wind Speed in Pago Pago

The chart displays monthly wind speed patterns in Pago Pago, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.34.84.43.95.05.67.36.4 m/s6.06.44.95.0
Data source: Pago Pago August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Pago Pago Compares to Other Months

Weather in Pago Pago varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Pago Pago, focusing on differences in temperature, rainfall, humidity, and UV levels.

When comparing the weather in August and January, there are some notable similarities and differences. Both months feature warm temperatures, with August having a slightly lower average temperature range (min 24°C, avg 26°C, max 28°C) compared to January (min 25°C, avg 27°C, max 29°C). However, January tends to be much wetter, receiving 301 mm of precipitation over 23 days, whereas August sees 128 mm over 20 days. Humidity levels are similar, with August at 83% and January at 79%. For more detailed information on January weather, you can check out Pago Pago weather in January.

In comparing the weather between August and February, both months showcase warm temperatures, with February being slightly warmer on average. August experiences a minimum temperature of 24°C (76°F) and an average of 26°C (80°F), peaking at 28°C (83°F), while February's minimum remains the same but averages at 27°C (81°F) and reaches up to 30°C (86°F). However, February is significantly wetter, receiving 464 mm (18.3 in) of precipitation over 25 days, compared to August's 128 mm (5.1 in) across 20 days, resulting in a somewhat drier August despite its high humidity of 83%, compared to February's 80%. For more detailed insights into February weather, visit Pago Pago weather in February.

In comparing the weather between August and March, we see that both months feature warm temperatures, but March tends to be slightly warmer overall, with average temperatures ranging from a minimum of 25°C (77°F) to a maximum of 29°C (85°F). In contrast, August's temperatures are a bit cooler, averaging from 24°C (76°F) to 28°C (83°F). Precipitation levels also differ; March experiences more rainfall, totaling 195 mm (7.7 in) over 25 days, compared to August's 128 mm (5.1 in) across 20 days. While August has a higher humidity level of 83%, March follows closely with a humidity of 79%. For detailed information about March weather specifically, you can visit Pago Pago weather in March.

In comparing the weather in August and April, April tends to be slightly warmer with average temperatures of 27°C (82°F), compared to August's average of 26°C (80°F). However, August experiences less rainfall, with 128 mm (5.1 in) of precipitation over 20 days, contrasted with April's more significant rainfall of 228 mm (9.0 in), falling over 25 days. Additionally, humidity levels are higher in August at 83%, while April registers a slightly lower humidity of 79%. For a closer look at April's weather, you can visit Pago Pago weather in April.

When comparing the weather in August and May, both months exhibit warm temperatures, but May tends to be slightly warmer overall. In August, the minimum temperature is around 24°C (76°F), averaging 26°C (80°F) and peaking at 28°C (83°F). In contrast, May has minimum temperatures of 25°C (77°F), an average of 27°C (81°F), and a maximum of 29°C (85°F). Precipitation levels are notably higher in May, with 210 mm (8.3 in) falling over 25 days, compared to August's 128 mm (5.1 in) over 20 days. Despite this, August has a slightly higher average humidity at 83%, while May stands at 80%. For more detailed insights on May weather, visit Pago Pago weather in May.

In comparing the weather of August and June, both months share similar temperature ranges, with August recording an average of 26°C (80°F) and June slightly warmer at 27°C (81°F). While nighttime lows remain consistent at 24°C (76°F) for both months, August’s maximum temperature peaks at 28°C (83°F), just below June's 29°C (85°F). Precipitation is notably higher in June, totaling 178 mm (7.0 in) over 23 days, compared to August’s 128 mm (5.1 in) over 20 days. Despite higher rainfall, June's humidity is marginally lower at 80%, while August sees a humidity level of 83%. For more detailed weather information, visit Pago Pago weather in June.

In comparing the weather between August and July, we notice that both months exhibit similar temperature ranges, with August maintaining a minimum temperature of 24°C (76°F) and an average of 26°C (80°F), while July has the same minimum but a slightly higher average of 27°C (80°F). The maximum temperature remains consistent at 28°C (83°F) for both months. However, August experiences slightly less precipitation, totaling 128 mm (5.1 in) over 20 days, compared to July's 152 mm (6.0 in) over 24 days. Humidity levels are also similar, with August having a humidity of 83% and July at 81%. For a more detailed look at the July weather, you can visit Pago Pago weather in July.

In August, temperatures typically range from a minimum of 24°C (76°F) to a maximum of 28°C (83°F), with an average of 26°C (80°F). The month sees significant rainfall, with 128 mm (5.1 in) of precipitation over 20 days, and humidity levels hover around 83%. In contrast, September brings slightly warmer conditions, with a minimum of 25°C (77°F) and an average temperature of 27°C (80°F), while still peaking at a maximum of 28°C (83°F). Precipitation increases to 136 mm (5.4 in) across 21 days, and humidity rises marginally to 84%. For more detailed information on the weather patterns during this month, you can check Pago Pago weather in September.

In comparing the weather between August and October, we see a slight increase in temperature, with October experiencing a minimum of 25°C (76°F) and an average of 27°C (80°F) compared to August's minimum of 24°C (76°F) and average of 26°C (80°F). Additionally, October tends to be wetter, with total precipitation reaching 225 mm (8.9 in) over 23 days, compared to August's 128 mm (5.1 in) over 20 days. Humidity is relatively similar in both months, with October having a slight edge at 85% versus August's 83%. For more detailed information, you can visit Pago Pago weather in October.

In comparing the weather between August and November, both months experience warm temperatures, with August averaging around 26°C (80°F) and November slightly warmer at 27°C (81°F). However, November tends to have a higher maximum temperature of 29°C (84°F) compared to August’s peak of 28°C (83°F). Notably, November sees a significant increase in precipitation, with 266 mm (10.5 in) over 24 days, whereas August has 128 mm (5.1 in) falling over 20 days. Despite these differences, the humidity levels remain relatively similar, with August at 83% and November slightly lower at 82%. For more details, you can refer to the link: Pago Pago weather in November.

In August, the weather features warm temperatures with a minimum of 24°C (76°F) and an average of 26°C (80°F), reaching a maximum of 28°C (83°F). However, it is also marked by significant precipitation, totaling 128 mm (5.1 in) over 20 days, coupled with high humidity at 83%. In contrast, December experiences slightly warmer temperatures, with a minimum of 25°C (76°F), an average of 27°C (81°F), and a maximum of 29°C (84°F). This month also sees a substantial increase in rainfall, with total precipitation climbing to 360 mm (14.2 in) spread over 29 days, maintaining a similar humidity level of 82%. For further details, you can check Pago Pago weather in December.

Compare Pago Pago's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Pago Pago

In August, Pago Pago experiences a warm and humid climate that distinguishes it from other months of the year. With temperatures hovering around a comfortable 26°C (80°F), this month tends to be slightly cooler than the peak summer months, providing a pleasant escape from the heat. However, the increased humidity and frequent rain, averaging 20 rainy days, contribute to a lush and vibrant landscape that enchants visitors and locals alike. This combination of warmth and moisture sets August apart, making it an intriguing time to experience the natural beauty of Pago Pago. For a deeper understanding of the monthly climate patterns, check out Pago Pago Climate.