August Weather in San Pedro de Atacama, Chile

Last updated: August 21, 2025

Experience the August weather in San Pedro de Atacama, Chile, where the stunning desert landscape reveals a unique climate. Daytime temperatures can peak at a pleasant 25°C (78°F), while nights can be quite chilly, dropping to a brisk -2°C (29°F). The month features an average temperature of 11°C (53°F), perfect for those who appreciate mild and invigorating conditions. With only 6 mm (0.2 in) of precipitation and no rainy days, visitors can enjoy crystal-clear skies, complemented by a humidity level of 43% that adds to the dry atmosphere. Embrace the beauty of August in this captivating destination!

August Temperature in San Pedro de Atacama

In August, San Pedro de Atacama experiences a slight chill as winter lingers, with temperatures dipping to a minimum of -2°C (29°F) and peaking at a comfortable 25°C (78°F). The average temperature hovers around 11°C (53°F), offering visitors a brisk atmosphere ideal for daytime exploration. As the month progresses, the desert begins its slow transition towards spring, making August an intriguing time for adventurers seeking the stunning contrast of cooler nights against warm, sun-drenched days. Despite being among the colder months, this period still invites outdoor activities and stargazing, as the clear high-altitude skies reveal a spectacular celestial display.

August Weather in San Pedro de Atacama: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in San Pedro de Atacama, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Pedro de Atacama, 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).
JanFebMarAprMayJunJulAugSepOctNovDec666564605450515358626566
Data source: Temperature data for San Pedro de Atacama 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 San Pedro de Atacama

In August, San Pedro de Atacama experiences a minor resurgence in precipitation, totaling 6 mm (0.2 in), though this remains a relatively dry month by any standard. With zero days of rain recorded, this slight uptick follows July's dry spell, where only 1 mm fell over the entire month. As the region transitions into the latter part of the year, August's figures continue the trend of minimal rainfall typical for this arid desert environment. The overall pattern highlights a stark contrast to the wetter months of January and February, suggesting that while sporadic rainfall may occur, August maintains the character of a predominantly dry season. This blend of sporadic moisture and largely arid conditions underscores the unique climate of San Pedro de Atacama, a place where the balance between rain and desert shines through vividly.

August Precipitation Trends in San Pedro de Atacama

The chart displays monthly precipitation patterns in San Pedro de Atacama, 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 San Pedro de Atacama, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec265411436161006
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in San Pedro de Atacama

In August, San Pedro de Atacama experiences its lowest humidity of the year at a refreshing 43%. This marks a significant decline from the high humidity levels seen in the earlier months, particularly January through March, where humidity peaked at 75% to 84%. Following the summer months, the trend shows a gradual decrease, as humidity dips consistently from April's 71% to a low in August, before slightly recovering in September and October. This distinctive drop not only highlights the dry desert climate of the region but also sets the stage for the arrival of slightly more moisture as the year progresses, with humidity levels beginning to rise again in the fall months.

August Average Humidity in San Pedro de Atacama

This chart illustrates the average monthly humidity levels in San Pedro de Atacama, 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 San Pedro de Atacama is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%81%84%71%60%52%51%43%49%49%47%53%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in San Pedro de Atacama

In August, San Pedro de Atacama continues to showcase its sun-soaked intensity with a UV Index of 11, categorized as extreme. This marks a slight dip following the peak months of January through March, where indices soared to 18. The trend shows that while the UV Index decreases slightly, the burn time remains swift at just 10 minutes, emphasizing the need for protection despite the changes in season. As the year progresses into spring, the UV levels are set to rise again, peaking in the later months. For those exploring this breathtaking region, being aware of the UV Index is crucial for safety and enjoyment. Stay informed with more details at San Pedro de Atacama UV Index.

Maximum UV Index Levels in San Pedro de Atacama for August

The chart shows the monthly maximum UV Index (UVI) for San Pedro de Atacama 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 San Pedro de Atacama typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1817161310891114171818
Data source: San Pedro de Atacama 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 San Pedro de Atacama

In San Pedro de Atacama, Chile, the month of August witnesses a delightful 341 hours of sunshine, continuing the trend of the dry season's abundant light. Following a slightly cooler July, which offered 320 hours, August marks a notable increase as daylight gradually extends leading into spring. The sunshine hours peak towards the end of the year, with November and December boasting an impressive 384 and 391 hours respectively, hinting at a vibrant, sun-soaked summer ahead. As the year progresses, the steady rise in sunshine hours embodies the region's arid charm, making it a perfect destination for those seeking warmth and bright skies.

Monthly Sunshine Duration in San Pedro de Atacama: August Highlighted

The August sunshine duration represents the total number of hours San Pedro de Atacama 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.
JanFebMarAprMayJunJulAugSepOctNovDec300h313h360h335h323h302h320h341h346h378h384h391h
Data source: San Pedro de Atacama August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in San Pedro de Atacama During August

August in San Pedro de Atacama, Chile, boasts an impressive 91% chance of sunny weather, marking it as one of the sunniest months of the year. Following a trend that begins with a strong sun presence from April onwards, the likelihood of clear skies peaks just before the transition into the drier spring months of September and October, which also maintain high sun probabilities at 77% and 93%, respectively. This pattern indicates that if you’re hoping for abundant sunshine, August is an ideal time to visit, setting the stage for outdoor adventures in this breathtaking desert landscape.

Percentage of Sunny Days in August in San Pedro de Atacama

The chart illustrates the percentage of sunny days in San Pedro de Atacama 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 San Pedro de Atacama experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec64%72%72%86%78%73%77%91%77%93%78%47%
Data source: San Pedro de Atacama August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in San Pedro de Atacama in August

In San Pedro de Atacama, Chile, the duration of daylight undergoes a fascinating yearly rhythm, peaking in the summer months and gradually decreasing as winter approaches. August marks a transition period, offering 11 hours of daylight—slightly more than the ten hours seen during the heart of winter in July. As the days begin to lengthen again in September, a consistent pattern emerges with daylight gradually increasing through the months. This cyclical dance of light not only highlights the region's unique climate but also enriches the experience for visitors who marvel at its stunning landscapes under an ever-changing sky.

Average Daylight Hours in San Pedro de Atacama for August

The chart illustrates the variation in daylight duration in San Pedro de Atacama throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 20m12h 49m12h 10m11h 31m10h 59m10h 44m10h 52m11h 20m11h 57m12h 37m13h 12m13h 30m
Data source: San Pedro de Atacama daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in San Pedro de Atacama

As August settles into San Pedro de Atacama, the wind begins to shift, holding steady with an average speed of 2.9 m/s (6 mph). This consistent breeze mirrors the patterns seen throughout the year, with wind speeds gradually increasing during the winter months, peaking in June at 3.2 m/s (7 mph). While August maintains this moderate pace, it signifies the approach of spring as temperatures start to rise. Following August, September’s winds drop slightly to 2.8 m/s (6 mph), showcasing the region's typical fluctuations. Overall, the gentle winds of August offer a refreshing respite while hinting at the seasonal changes to come in this stunning desert landscape.

Average August Wind Speed in San Pedro de Atacama

The chart displays monthly wind speed patterns in San Pedro de Atacama, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.42.42.22.42.53.22.92.9 m/s2.82.92.52.4
Data source: San Pedro de Atacama August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in San Pedro de Atacama Compares to Other Months

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

When comparing the weather in August and January, there are significant differences in temperature and humidity levels. August experiences cooler temperatures, with a minimum of -2°C (29°F) and an average of 11°C (53°F), while January boasts a warmer minimum of 9°C (49°F) and an average of 19°C (66°F). Additionally, January is characterized by higher humidity at 75%, compared to August's 43%. Precipitation is also noticeably greater in January, with 26 mm (1.0 in) over five days, whereas August sees minimal rainfall of just 6 mm (0.2 in) and no rainy days. For more detailed insights, you can visit San Pedro de Atacama weather in January.

In comparing the weather between August and February, there is a notable difference in temperatures and precipitation levels. August experiences milder conditions with a minimum temperature of -2°C (29°F) and an average of 11°C (53°F), peaking at 25°C (78°F). In contrast, February boasts warmer temperatures, starting from a minimum of 8°C (47°F), averaging 18°C (65°F), and reaching a high of 31°C (88°F). Precipitation also diverges significantly; August has virtually no rainfall, totaling only 6 mm (0.2 in) across 0 days, whereas February sees a much wetter climate with 54 mm (2.1 in) of rain over 7 days. Additionally, February's humidity is notably higher at 81%, compared to August's 43%. For a more detailed look at the February weather in this region, you can refer to San Pedro de Atacama weather in February.

When comparing the weather in August and March, it's evident that March enjoys milder and warmer conditions. In August, temperatures range from a chilly -2°C (29°F) to a comfortable max of 25°C (78°F), with very little precipitation and humidity at 43%. In contrast, March features a significantly higher average temperature of 18°C (64°F), with a minimum of 7°C (45°F) and a maximum reaching up to 29°C (84°F). Interestingly, March also sees increased humidity at 84% and slightly more rainfall, averaging 11 mm (0.4 in) over two days. For more details about the weather specifically in March, check out this link: San Pedro de Atacama weather in March.

When comparing the weather in August and April, notable differences emerge. August tends to be cooler, with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 25°C (78°F), while April is generally warmer, with a minimum of 2°C (36°F) and maximum reaching 28°C (83°F). Both months experience minimal precipitation, with August receiving 6 mm (0.2 in) and April only 4 mm (0.2 in), and neither month sees any rainy days. Additionally, humidity levels are significantly different, with April being more humid at 71% compared to August's 43%. For a closer look at the conditions in April, you can check San Pedro de Atacama weather in April.

August and May weather in the region are quite similar in terms of temperature, with both months experiencing maximums around 25°C (77°F). However, August tends to be slightly cooler with an average temperature of 11°C (53°F) compared to May's 12°C (54°F). Precipitation levels are minimal in both months, with August receiving only 6 mm (0.2 in) and May slightly less at 3 mm (0.1 in). Notably, August has zero days of precipitation, while May experiences one day of rain. Furthermore, humidity levels are lower in August at 43%, contrasting with May's higher 60%. For more detailed information, you can refer to San Pedro de Atacama weather in May.

In comparing the weather between August and June, we see some notable similarities and slight variations. Both months experience a minimum temperature of -2°C (29°F) and similar average temperatures, with August averaging 11°C (53°F) and June slightly cooler at 10°C (51°F). However, August enjoys a slightly warmer maximum temperature of 25°C (78°F) compared to June's 24°C (76°F). Precipitation is minimal in both months, with each recording only 6 mm (0.2 in) of rainfall and no rainy days. It’s worth noting that the humidity is higher in June at 52%, while August maintains a lower humidity of 43%. For a more detailed look into June weather, you can visit San Pedro de Atacama weather in June.

In comparing the weather between August and July, we see that August typically experiences slightly warmer temperatures, with a maximum of 25°C (78°F) compared to July's peak of 24°C (75°F). Both months have average temperatures around 11°C, though August edges out with a minimum of -2°C versus July's -4°C. Precipitation is minimal for both months, with August receiving only 6 mm (0.2 in) and July even less at 1 mm (0.1 in), and both months report no rainy days. However, August enjoys lower humidity at 43%, while July has a higher humidity level of 51%. For more detailed insights, you can check the San Pedro de Atacama weather in July.

In comparing the weather between August and September, we observe a notable increase in average temperatures, with August averaging around 11°C (53°F) and September rising to 15°C (59°F). Both months experience minimal precipitation, with August seeing only 6 mm (0.2 in) and September just 1 mm (0.0 in), making them dry periods. Interestingly, while August has a lower minimum temperature of -2°C (29°F), September has a slightly higher minimum of 0°C (32°F). Additionally, humidity levels rise from 43% in August to 49% in September, indicating a slight increase in moisture in the air. For more specific insights into September weather patterns, you can check San Pedro de Atacama weather in September.

In August, temperatures range from a low of -2°C (29°F) to a warm high of 25°C (78°F), with an average of 11°C (53°F). The month is characterized by minimal precipitation of just 6 mm (0.2 in) and a humidity level of 43%. In contrast, October experiences a milder temperature range, with a minimum of 0°C (33°F) and a maximum of 29°C (84°F), leading to a higher average of 17°C (62°F). Notably, October sees no rainfall and a slight increase in humidity to 49%. For more details, check out San Pedro de Atacama weather in October.

In August, the weather tends to be cooler, with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 25°C (78°F) and an average of 11°C (53°F). The month is relatively dry, receiving only 6 mm (0.2 in) of precipitation over no rainy days and maintaining a humidity level of 43%. In contrast, November experiences warmer temperatures, with a minimum of 4°C (39°F), an average of 18°C (65°F), and a maximum of 30°C (86°F). Notably, November is characterized by completely dry conditions, receiving no precipitation at all, and a slightly higher humidity of 47%. For more details on November's climate specifics, you can visit San Pedro de Atacama weather in November.

In August, the weather features cooler temperatures with a minimum of -2°C (29°F) and an average of 11°C (53°F), peaking at a comfortable 25°C (78°F). There’s minimal precipitation, totaling only 6 mm (0.2 in) over no rainy days, and the humidity remains relatively low at 43%. In contrast, December brings warmer conditions, with temperatures ranging from a minimum of 6°C (43°F) to an average of 19°C (66°F), reaching a maximum of 32°C (90°F). This month experiences a slight increase in humidity at 53% and light precipitation of 6 mm (0.2 in) occurring over just one day. For more detailed information, you can check out San Pedro de Atacama weather in December.

Compare San Pedro de Atacama's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in San Pedro de Atacama

In August, San Pedro de Atacama experiences a unique climatic transition, marked by moderate daytime temperatures that are warmer than the winter months yet cooler at night, setting it apart from both the chill of midsummer and the heat of spring. The lack of precipitation during this time showcases the region's characteristic dryness, making it perfect for stargazing and outdoor adventures. With an average humidity of 43%, the air remains crisp and fresh, ideal for exploring the stunning landscapes. For a deeper dive into how August compares to other months, visit San Pedro de Atacama Climate.