August Weather in Fagatogo, American Samoa

Last updated: August 21, 2025

August in Fagatogo, American Samoa, showcases a tropical climate characterized by warm temperatures and significant humidity. With maximum temperatures reaching 28°C (83°F) and a comfortable average of 26°C (80°F), the weather remains inviting. However, visitors should prepare for prevalent rainfall, as the month sees an average precipitation total of 128 mm (5.1 in) across approximately 20 days. The elevated humidity levels, around 83%, can enhance the tropical experience, making it a unique time to explore the lush landscapes and vibrant culture of this beautiful island.

August Temperature in Fagatogo

In August, Fagatogo, American Samoa, experiences warm tropical temperatures that mark a subtle shift as the year progresses. The minimum temperature sits comfortably around 24°C (76°F), while the average dips to 26°C (80°F), leading to a maximum of 28°C (83°F). This slight cooling trend from the previous months reflects the onset of the late dry season, making August one of the more pleasant months for outdoor activities. Overall, while the temperatures remain consistently warm, they offer a welcome respite, allowing both locals and visitors to enjoy the island's natural beauty in comfortable conditions.

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

The chart illustrates August temperature patterns in Fagatogo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fagatogo, 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 Fagatogo 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 Fagatogo

August in Fagatogo, American Samoa, marks a noticeable dip in precipitation, with a total of 128 mm (5.1 in) over 20 days of rainfall, making it one of the driest months of the year. This decline follows the peak rainy months of January through February, which show much heavier precipitation, particularly February with a staggering 464 mm (18.3 in). As the year progresses, rainfall tends to decrease, with August closely aligning with July’s total and suggesting a seasonal trend toward drier conditions before the expected increase in precipitation starts again in October. This pattern highlights the transitional nature of the region's climate, where the late winter to early spring months are marked by abundant rain, gradually giving way to a brief respite before the wetter months return.

August Precipitation Trends in Fagatogo

The chart displays monthly precipitation patterns in Fagatogo, 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 Fagatogo, 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.
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August Humidity in Fagatogo

In August, Fagatogo, American Samoa, experiences a noticeable rise in humidity, reaching 83%—the highest level of the year thus far. This uptick is part of a broader trend, as humidity steadily increases from the 79% recorded in January through to July, where it escalates to 81%. Following August, humidity continues to climb, peaking at 85% in October. Overall, the climate in Fagatogo exhibits a clear seasonal pattern, transitioning from moderately humid conditions at the beginning of the year to more pronounced humidity levels as the months progress, creating a tropical environment that defines the region. As summer peaks, residents and visitors alike can expect the air to feel increasingly moist, highlighting the unique weather character of this vibrant locale.

August Average Humidity in Fagatogo

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

In August, Fagatogo, American Samoa, experiences a UV Index of 12, categorizing it as extreme with a burn time of just 10 minutes. This month marks a slight increase from July, where the index was at 9—reflecting a transition back towards the more intense UV levels typically seen earlier in the year. From January through May, the UV Index consistently hovered around 16 to 11, indicating a persistently intense potential for sunburn. After June and July's very high readings of 9, the spike to 12 in August highlights how crucial it is to remain vigilant about sun protection during this time. As the months progress into the spring, September sees a rebound with an even higher reading of 14. Staying informed about these trends is essential for safe outdoor activities; for more details, check out the Fagatogo UV Index.

Maximum UV Index Levels in Fagatogo for August

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

In August, Fagatogo, American Samoa, basks in the warm glow of approximately 293 hours of sunshine, marking a delightful peak in daylight as the year unfolds. This month is part of a consistent pattern where the summer months of June, July, and August showcase abundant sunshine, each exceeding 270 hours, creating perfect conditions for outdoor activities and community gatherings. Following a trend from the earlier months, where hours fluctuate yet remain robust, August's sunshine sets the stage for the approaching fall, maintaining the island's vibrant and lively atmosphere. The gradual increase in sunshine hours reveals Fagatogo's enchanting climate, ensuring that residents and visitors can enjoy the sun-kissed beauty throughout the summer season.

Monthly Sunshine Duration in Fagatogo: August Highlighted

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

Chance of Sun in Fagatogo During August

In Fagatogo, August offers a moderate chance of sunshine, with a likelihood of 50%. This marks a noticeable drop from the peak of 64% in July, indicating a shift as the region transitions towards the latter part of the year. Overall, August stands as a key month in the island's weather pattern; while it maintains a balance of sun, it is preceded by the sunniest months of the year. Notably, September follows with an impressive 75% chance of sunny days, suggesting a return to brighter skies. Those planning outdoor activities in August can expect a fair mix of sunshine, making it a delightful time to explore the natural beauty of American Samoa.

Percentage of Sunny Days in August in Fagatogo

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

Daylight Hours in Fagatogo in August

In Fagatogo, American Samoa, August marks a continuation of the summer trend with approximately 11 hours of daylight. This represents a shift from the consistent 12 hours experienced in the earlier months of the year, as daylight begins to gradually wane. As summer transitions towards fall, the patterns of daylight reveal a brief dip, with August standing out as a pivotal month before the days start to stretch again in September. This rhythmic cycle of daylight not only shapes the island's climate but also influences the vibrant lifestyle and cultural activities of its residents, reminding us of nature's ever-changing essence.

Average Daylight Hours in Fagatogo for August

The chart illustrates the variation in daylight duration in Fagatogo 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: Fagatogo daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Fagatogo

In August, the wind in Fagatogo, American Samoa, picks up to an average speed of 6.4 m/s (14 mph), marking a noteworthy blend of summer breezes and the anticipation of the changing seasons. This gusty month follows a significant increase from the softer winds of earlier months, with July hitting its peak at 7.3 m/s (16 mph). August's winds remain steady, comparable to the October average, suggesting a consistent maritime influence typical of the region. The gentle decline in speed to September, where it averages 6.0 m/s (13 mph), signals the approach of the warmer months' end, creating a dynamic interplay between refreshing summer air and the transitional whispers of autumn. If you're in Fagatogo, August offers a delightful balance of invigorating winds, perfect for enjoying time outdoors amidst the lush Pacific landscape.

Average August Wind Speed in Fagatogo

The chart displays monthly wind speed patterns in Fagatogo, 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: Fagatogo August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Fagatogo Compares to Other Months

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

When comparing the weather in August and January, both months exhibit warm temperatures, yet they have distinct characteristics. In August, temperatures 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 experiences significant rainfall, with 128 mm (5.1 in) over approximately 20 days and high humidity at 83%. In contrast, January presents slightly warmer conditions, with temperatures ranging from 25°C (77°F) to 29°C (85°F), averaging 27°C (82°F). This month is much wetter, receiving 301 mm (11.8 in) of precipitation across about 23 days and slightly lower humidity at 79%. For more information on January weather, check out Fagatogo weather in January.

In comparing the weather between August and February, both months exhibit warm temperatures, but February typically feels slightly hotter, with an average of 27°C (81°F) compared to August's 26°C (80°F). While both months witness tropical conditions with significant humidity—83% in August and 80% in February—February experiences much higher precipitation, totaling 464 mm (18.3 in) over 25 days, compared to August's 128 mm (5.1 in) spread over 20 days. For more detailed information, check out Fagatogo weather in February.

When comparing the weather in August and March, it's evident that both months are characterized by warm temperatures and high humidity. August sees a minimum temperature of 24°C (76°F) and an average of 26°C (80°F), while March is slightly warmer with a minimum of 25°C (77°F) and an average of 27°C (82°F). Precipitation levels also differ, with August recording 128 mm (5.1 in) over 20 days, compared to March, which experiences higher rainfall at 195 mm (7.7 in) spread over 25 days. This makes March not only warmer but also wetter, although it has a slightly lower humidity level at 79% compared to August's 83%. For more detailed information about weather specifics, you can visit Fagatogo weather in March.

When comparing the weather in August and April, we see some notable differences. In August, the temperatures are slightly cooler, with a minimum of 24°C (76°F), an average of 26°C (80°F), and a maximum of 28°C (83°F). In contrast, April tends to be a bit warmer, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 29°C (85°F). Precipitation is also a key factor; August experiences 128 mm (5.1 in) of rainfall over 20 days, while April receives more substantial rainfall of 228 mm (9.0 in) across 25 days. Interestingly, humidity levels are higher in August at 83%, compared to 79% in April. For more details on April's weather, you can check Fagatogo weather in April.

When comparing the weather in May and August, we notice that both months have similar warm temperatures, with May's average temperature slightly higher at 27°C (81°F) compared to August's 26°C (80°F). However, August experiences slightly lower minimum and maximum temperatures, ranging from 24°C (76°F) to 28°C (83°F). May, on the other hand, has a minimum of 25°C (77°F) and a maximum of 29°C (85°F). Precipitation is considerably higher in May, accumulating to 210 mm (8.3 in) over 25 days, while August sees 128 mm (5.1 in) of rain across 20 days. Despite being similar in humidity, May's 80% is just slightly lower than August's 83%, making both months feel quite tropical. For more detailed information on Fagatogo weather during this month, you can refer to Fagatogo weather in May.

When comparing the weather in June and August, both months share similarly warm temperatures, with August averaging 26°C (80°F) and June slightly warmer at 27°C (81°F). However, August experiences lower maximum temperatures, peaking at 28°C (83°F) compared to June's maximum of 29°C (85°F). Rainfall is notably higher in June, with 178 mm (7.0 in) over 23 days, while August sees 128 mm (5.1 in) across 20 days. Despite the slight increase in precipitation in June, humidity levels are slightly lower at 80%, compared to 83% in August. For more detailed information, you can check Fagatogo weather in June.

In comparing the weather of August and July, both months exhibit warm temperatures, with July slightly edging out August in terms of average temperature, registering at 27°C (80°F) compared to August's 26°C (80°F). Interestingly, both months share similar minimum and maximum temperatures, with both reaching a low of 24°C (76°F) and a high of 28°C (83°F). However, July experiences slightly more precipitation at 152 mm (6.0 in) over 24 days, while August sees 128 mm (5.1 in) distributed across 20 days. Additionally, humidity levels are marginally higher in August at 83%, compared to July's 81%. For more detailed weather information, you can check Fagatogo weather in July.

August tends to be slightly cooler than September, with average temperatures around 26°C (80°F) compared to September’s 27°C (80°F). Both months have the same maximum temperature of 28°C (83°F), but August features a slightly lower minimum temperature of 24°C (76°F) versus September's 25°C (77°F). In terms of rainfall, September sees a minor increase with 136 mm (5.4 in) of precipitation over 21 days, while August records 128 mm (5.1 in) across 20 days. Humidity levels are also comparable, with September at 84% and August at 83%. For a detailed look at September weather specifically, check out Fagatogo weather in September.

In August, the weather typically features a minimum temperature of 24°C (76°F), an average of 26°C (80°F), and a maximum of 28°C (83°F), accompanied by 128 mm (5.1 in) of rain over 20 days and humidity levels around 83%. In contrast, October sees a slight increase in temperatures, with a minimum of 25°C (76°F), an average of 27°C (80°F), and a maximum of 29°C (84°F). However, it also brings a notable rise in precipitation, totaling 225 mm (8.9 in) over 23 days, along with a slight increase in humidity to 85%. For more details on October weather conditions, visit Fagatogo weather in October.

In August, the weather is warm with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 28°C (83°F), accompanied by significant humidity at 83%. The month experiences considerable rainfall, with an average precipitation of 128 mm (5.1 in) spread over 20 days. In contrast, November shows slightly warmer temperatures, averaging 27°C (81°F) with a maximum of 29°C (84°F) while maintaining a consistent minimum of 24°C (76°F). However, November experiences noticeably higher precipitation, totaling 266 mm (10.5 in) over 24 days, paired with a marginally lower humidity of 82%. For more detailed weather information, you can visit Fagatogo weather in November.

In comparing the weather conditions of August and December, both months display consistently warm temperatures, with August experiencing a minimum of 24°C (76°F) and an average of 26°C (80°F), while December sees slightly higher figures with a minimum of 25°C (76°F) and an average of 27°C (81°F). However, December is notably wetter, recording a significant increase in precipitation at 360 mm (14.2 in) over 29 days, compared to August's 128 mm (5.1 in) spread over 20 days. Humidity levels remain relatively similar, with August at 83% and December slightly lower at 82%. For a detailed look at the climate specifics, check out Fagatogo weather in December.

Compare Fagatogo's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Fagatogo

As August unfolds in Fagatogo, the weather showcases a captivating blend of warmth and humidity. With average temperatures lingering around a comfortable 26°C (80°F), this month stands out due to its significant rainfall, recording about 128 mm (5.1 in) of precipitation over an average of 20 days. This elevated rainfall contributes to a unique tropical ambiance, setting August apart from the typically drier months of the year. The humidity often hovers around 83%, enhancing the lushness of the landscape. For those seeking more detailed insights, be sure to check out Fagatogo Climate.