August Weather in Punta Arenas, Chile

Last updated: August 21, 2025

In August, Punta Arenas, Chile experiences a cool and damp climate, with maximum temperatures reaching 11°C (52°F) and an average temperature hovering around 3°C (37°F). The weather can be quite brisk, as minimum temperatures dip as low as -6°C (22°F). This month is characterized by significant precipitation, totaling 81 mm (3.2 inches) across approximately 18 days of rainfall, contributing to the region's notable humidity level of 89%. Visitors and locals alike should prepare for brisk, wet days, providing a unique charm to this southernmost city.

August Temperature in Punta Arenas

In Punta Arenas, Chile, August marks a transitional period as winter begins to wane, yet the chill lingers in the air. The average temperature hovers around 3°C (37°F), with daytime highs reaching a modest 11°C (52°F), providing a slight reprieve from the biting cold of previous months. Despite this uplift, the nights remain frosty, with lows dipping to -6°C (22°F). As August unfolds, residents and visitors alike experience the subtle shift toward spring, hinting at the warmer trends that follow. This month, while still firmly in the grip of winter's chill, begins to tease the promise of milder temperatures ahead, making it a fascinating time to witness nature's transition in this southernmost city.

August Weather in Punta Arenas: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Punta Arenas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Punta Arenas, 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).
JanFebMarAprMayJunJulAugSepOctNovDec495048444136353740424648
Data source: Temperature data for Punta Arenas 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 Punta Arenas

In August, Punta Arenas experiences a moderate level of precipitation, with an average rainfall of 81 mm (3.2 in) across approximately 18 days. This snapshot highlights a slight increase compared to the drier months of June and July, but still falls short of the heavy downpours seen in the preceding April and March. As the winter season starts to wane, August acts as a bridge to the wetter spring months ahead, showcasing a transition in weather patterns. The city’s consistent precipitation throughout the winter months sets the stage for the lush landscapes that emerge as spring approaches, creating a captivating contrast in this stunning region of Chile.

August Precipitation Trends in Punta Arenas

The chart displays monthly precipitation patterns in Punta Arenas, 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 Punta Arenas, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec88729810170556781618393104
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

August Humidity in Punta Arenas

In August, Punta Arenas, Chile, experiences a notable transition in humidity as it settles at 89%, a slight decline from the peak levels seen in the earlier winter months of June and July, both at 92%. This summer's humidity levels show a gradual decrease, following the trend set in the previous months, with higher humidity persisting from April through July. As the seasons shift towards spring, the humidity begins to ease, suggesting a gradual return to the milder conditions of later months like September and October, where levels drop further to 87% and 86%, respectively. This trend underscores the region's characteristic maritime climate, highlighting the ebb and flow of moisture as the year progresses.

August Average Humidity in Punta Arenas

This chart illustrates the average monthly humidity levels in Punta Arenas, 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 Punta Arenas is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%86%87%89%90%92%92%89%87%86%84%84%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Punta Arenas

In August, Punta Arenas experiences a moderate UV Index of 3, with a burn time of around 30 minutes. This marks a slight uptick from the low indices seen in the winter months of June and July, which both recorded a UV Index of 1. While the UV levels in August are certainly not extreme, they signal a transition towards higher exposure as spring approaches. As the days gradually lengthen and the sun’s intensity increases, it’s wise to remain mindful of sun protection. For detailed insights into UV trends throughout the year, check out Punta Arenas UV Index.

Maximum UV Index Levels in Punta Arenas for August

The chart shows the monthly maximum UV Index (UVI) for Punta Arenas 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 Punta Arenas typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec119632113481210
Data source: Punta Arenas 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 Punta Arenas

August in Punta Arenas, Chile, brings a refreshing shift as the sun shines for 150 hours, marking a delightful rise from the darker winter months. After the prolonged gloom of June and July, both averaging just over 100 hours of sunlight, August serves as a transitional month, hinting at the longer days ahead. This increase is a precursor to the vibrant spring and summer months, where sunlight markedly increases, reaching peaks of 240 hours in November and 242 hours in December. The gradual return of sunshine in August not only brightens the days but also energizes the spirit, making it an ideal time to embrace the beauty of this southernmost city.

Monthly Sunshine Duration in Punta Arenas: August Highlighted

The August sunshine duration represents the total number of hours Punta Arenas 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.
JanFebMarAprMayJunJulAugSepOctNovDec195h195h177h147h105h102h110h150h169h208h240h242h
Data source: Punta Arenas August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Punta Arenas During August

As summer transitions into late winter, August in Punta Arenas, Chile, offers an intriguing blend of weather patterns. While the likelihood of sunny days hovers around 31%, this marks a notable uptick compared to the cooler months of June and July, both at 25%. This slight increase hints at the potential of clearer skies, contributing to a charming outdoor ambiance amidst the the stunning, rugged landscapes. As the months progress toward spring, residents and visitors alike can expect a gradual rise in sunshine, with August serving as a promising start to brighter days ahead.

Percentage of Sunny Days in August in Punta Arenas

The chart illustrates the percentage of sunny days in Punta Arenas 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 Punta Arenas experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec25%25%31%26%28%23%25%31%29%28%30%30%
Data source: Punta Arenas August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Punta Arenas in August

In August, daylight in Punta Arenas, Chile begins to make a subtle, yet significant, comeback following the depths of winter. As the days stretch from the mere 7 hours of light in June, August offers a refreshing 9 hours of daylight, hinting at the approaching spring. This gradual increase marks a shift from the shorter days of winter, starting with 14 hours in February and peaking at 16 hours in January. September will continue this trend, further expanding daylight to 11 hours, showcasing Punta Arenas’ remarkable transition through the seasons. This rhythmic ebb and flow of daylight adds a unique charm to the region's winter landscape, offering longer hours of exploration and enjoyment as spring approaches.

Average Daylight Hours in Punta Arenas for August

The chart illustrates the variation in daylight duration in Punta Arenas throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec16h 15m14h 30m12h 24m10h 18m8h 31m7h 35m8h 6m9h 42m11h 43m13h 50m15h 46m16h 50m
Data source: Punta Arenas daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Punta Arenas

In Punta Arenas, Chile, August brings a gentle breeze with an average wind speed of 5.6 m/s (13 mph), marking a slight increase from the calmer months of June and July. This transitional phase hints at the seasonal shift towards the spring months, as winds begin to pick up again in September, reaching 5.7 m/s (13 mph). While August's winds are still moderate, they pave the way for the more robust gusts typical of October, which can surge to an impressive 7.5 m/s (17 mph). Overall, the trend reveals a gradual escalation in wind speeds as the year progresses, accentuating the dynamic and ever-changing climatic dance of this vibrant southern city.

Average August Wind Speed in Punta Arenas

The chart displays monthly wind speed patterns in Punta Arenas, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.76.16.64.94.74.15.55.6 m/s5.77.57.06.8
Data source: Punta Arenas August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Punta Arenas Compares to Other Months

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

When comparing the weather in August and January, noticeable differences emerge. August experiences cooler temperatures, with a minimum of -6°C (22°F) and an average of only 3°C (37°F), while January offers milder conditions, featuring a minimum of 3°C (38°F) and a maximum of 21°C (71°F). Precipitation levels are fairly similar, with August receiving 81 mm (3.2 in) over 18 days, compared to January's 88 mm (3.5 in) over 20 days. Furthermore, humidity is slightly higher in August at 89%, compared to January’s 83%. For more detailed insights, you can visit Punta Arenas weather in January.

August and February present distinct contrasts in weather conditions. In August, the temperatures are generally colder with a minimum of -6°C (22°F) and an average of 3°C (37°F), peaking at 11°C (52°F). The month also experiences higher humidity at 89%, and significant precipitation over 18 days, totaling 81 mm (3.2 inches). In contrast, February boasts milder conditions, with temperatures ranging from a minimum of 2°C (37°F) to a maximum of 24°C (75°F), and an average of 10°C (50°F). Although slightly less rainy, February still sees precipitation on 16 days, contributing to a total of 72 mm (2.8 inches) and a humidity level of 86%. This variation makes each month unique in its climate and character, as detailed in this link: Punta Arenas weather in February.

In comparing the weather of August and March, we see distinct differences in temperature and precipitation patterns. August is notably colder, with temperatures ranging from a minimum of -6°C (22°F) to a maximum of 11°C (52°F), while March offers a milder experience, with temperatures stretching from 1°C (35°F) to 18°C (65°F). Interestingly, both months experience a similar amount of precipitation, with August seeing 81 mm (3.2 in) over 18 days and March slightly higher at 98 mm (3.8 in) across 19 days. Humidity levels are also quite close, at 89% in August and 87% in March, indicating a damp atmosphere throughout both months. For those looking to explore the weather specifics of March, you can find more details here: Punta Arenas weather in March.

When comparing the weather in August and April, it’s clear that April tends to be milder and more accommodating. In August, temperatures are colder, with a minimum of -6°C (22°F) and an average of 3°C (37°F), while April experiences a slightly higher minimum of -2°C (28°F) and an average of 6°C (44°F). Additionally, April boasts a maximum temperature of 17°C (64°F), which is significantly warmer than the 11°C (52°F) maximum recorded in August. Both months are similarly humid at 89%, but April sees slightly more precipitation, with 101 mm (4.0 in) over 16 days compared to August's 81 mm (3.2 in) over 18 days. For more detailed insights, check out Punta Arenas weather in April.

When comparing the weather in August and May, both months in Punta Arenas exhibit cool temperatures, but August typically experiences slightly lower averages. In August, the temperatures range from a minimum of -6°C (22°F) to a maximum of 11°C (52°F), with an average of 3°C (37°F). In contrast, May's temperatures are a bit milder, with a minimum of -3°C (27°F) and a maximum of 12°C (55°F), resulting in an average of 5°C (41°F). Precipitation is higher in August, totaling 81 mm (3.2 in) over 18 days, compared to May's 70 mm (2.8 in) over just 13 days. Humidity levels are consistently high in both months, with August at 89% and May slightly higher at 90%. For more details on May weather, you can view this link: Punta Arenas weather in May.

In comparing the weather between August and June, August experiences slightly milder temperatures, with a minimum of -6°C (22°F), an average of 3°C (37°F), and a maximum of 11°C (52°F). In contrast, June is a bit cooler, with minimum temperatures reaching -8°C (18°F), an average of 2°C (36°F), and a maximum of only 9°C (49°F). While August also has more precipitation at 81 mm (3.2 in) over 18 days, June sees less with 55 mm (2.2 in) over 15 days, though humidity levels are quite similar, at 89% in August and 92% in June. For a detailed look at June's conditions, you can check out Punta Arenas weather in June.

In comparing the weather between July and August, August generally experiences milder temperatures, with average highs reaching 11°C (52°F) compared to July's maximum of 9°C (48°F). While both months demonstrate significant humidity, August's average humidity is slightly lower at 89% compared to July's 92%. Precipitation levels are also higher in August, totaling 81 mm (3.2 in) over 18 days, compared to July's 67 mm (2.6 in) over 15 days. For a more detailed look at July's conditions, you can refer to Punta Arenas weather in July.

In comparing the weather between August and September, we see a slight upward trend in temperature. August features a minimum temperature of -6°C (22°F) and an average of 3°C (37°F), while September offers a milder minimum of -2°C (29°F) with an average of 4°C (40°F). The maximum temperatures are also comparable, with August peaking at 11°C (52°F) and September at 12°C (54°F). Precipitation decreases from 81 mm (3.2 in) over 18 days in August to 61 mm (2.4 in) over 16 days in September, indicating that September may feel a bit drier overall. Humidity remains relatively high in both months, with August at 89% and September slightly lower at 87%. For more detailed information, you can visit Punta Arenas weather in September.

In August, the weather is quite chilly, with temperatures ranging from a low of -6°C (22°F) to a high of 11°C (52°F), and an average temperature of around 3°C (37°F). This month also sees considerable precipitation, totaling 81 mm (3.2 in) over 18 days, coupled with high humidity at 89%. In contrast, October brings slightly warmer temperatures, with a minimum of -2°C (29°F), an average of 6°C (42°F), and a maximum of 14°C (58°F). Precipitation remains similar, totaling 83 mm (3.3 in) over 19 days, while humidity decreases slightly to 86%. For a detailed comparison and insights into the weather during this period, check out Punta Arenas weather in October.

In August, Punta Arenas typically experiences cold temperatures, with a minimum of -6°C (22°F) and an average of around 3°C (37°F), peaking at a maximum of just 11°C (52°F). The month is characterized by high humidity at 89% and significant precipitation, totaling 81 mm (3.2 in) over approximately 18 days. In contrast, November brings milder conditions, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 18°C (65°F) and an average of 8°C (46°F). Despite slightly higher precipitation levels at 93 mm (3.7 in) over the same number of days, humidity is lower at 84%. Overall, November's weather is more favorable and warmer compared to the biting cold of August. For more detailed information on November weather, visit Punta Arenas weather in November.

In August, Punta Arenas experiences cooler temperatures, with an average of 3°C (37°F) and a maximum of 11°C (52°F), while December brings warmer conditions with averages around 9°C (49°F) and highs of 18°C (64°F). The winter month of August sees a minimum temperature dipping to -6°C (22°F), in stark contrast to December's mild minimum of 1°C (34°F). Additionally, August features significant rainfall with 81 mm (3.2 in) over 18 days, whereas December has slightly higher precipitation at 104 mm (4.1 in) spread over 22 days. Humidity is slightly higher in August at 89%, compared to December’s 84%. For more insights on the December weather, check out Punta Arenas weather in December.

Compare Punta Arenas's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Punta Arenas

As August settles in Punta Arenas, temperatures are notably cooler, presenting a stark contrast to the milder months preceding it. The area sees an average temperature hovering just above freezing, with chilly lows that can dip significantly. Alongside this drop in temperature, increased precipitation makes August one of the wetter months, with rain frequent enough to affect outdoor plans. The high humidity levels create a crisp atmosphere, reminding visitors of the winter season's lingering presence. For a deeper dive into the weather patterns that define this unique region, explore Punta Arenas Climate.