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August Weather in Puerto Williams, Chile

Last updated: August 22, 2025

In Puerto Williams, Chile, the average temperature in August hovers around 2°C (35°F), with extremes ranging from a chilly -10°C (13°F) to a mild 11°C (51°F). Expect precipitation of approximately 65 mm (2.6 in) spread over 16 days, contributing to an average humidity of 85%. Stay warm and dry!

August Temperature in Puerto Williams

In August in Puerto Williams, the average temperature is 2°C (35°F). The maximum can reach 11°C (51°F), while the minimum can drop to as low as -10°C (13°F). This unpredictable weather means travelers should pack layers and be prepared for chilly conditions.

August Weather in Puerto Williams: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Puerto Williams, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Puerto Williams, August typically has an average temperature of 2°C (35°F), with highs reaching up to 11°C (51°F) and lows dropping to around -10°C (13°F).
JanFebMarAprMayJunJulAugSepOctNovDec484946423833333537414548
Data source: Temperature data for Puerto Williams 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 Puerto Williams

In Puerto Williams in August, the precipitation amount is 65 mm (2.6 in), occurring over a span of 16 days.

August Precipitation Trends in Puerto Williams

The chart displays monthly precipitation patterns in Puerto Williams, 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 Puerto Williams, August typically receives around 65 mm (2.6 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec120106977065483865627293103
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Puerto Williams

In Puerto Williams in August humidity is 85%. With an average temperature of 2°C (35°F), this humidity feels like a damp chill that permeates your clothing, making travel uncomfortable and requiring extra layers to stay warm and dry.

August Average Humidity in Puerto Williams

This chart illustrates the average monthly humidity levels in Puerto Williams, 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 Puerto Williams is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%85%85%86%86%86%85%85%84%83%84%82%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Puerto Williams

In Puerto Williams in August, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Puerto Williams, you can check the information here.

Maximum UV Index Levels in Puerto Williams for August

The chart shows the monthly maximum UV Index (UVI) for Puerto Williams 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 Puerto Williams typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec98632113591211
Data source: Puerto Williams 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.

How August Weather in Puerto Williams Compares to Other Months

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

This table compares monthly weather conditions in Puerto Williams, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)120 mm (4.7 inches)83%very high
February Weather9°C (49°F)106 mm (4.2 inches)85%very high
March Weather8°C (46°F)97 mm (3.8 inches)85%high
April Weather6°C (42°F)70 mm (2.8 inches)86%moderate
May Weather4°C (39°F)65 mm (2.5 inches)86%low
June Weather1°C (33°F)48 mm (1.9 inches)86%low
July Weather1°C (33°F)38 mm (1.5 inches)85%low
August Weather2°C (35°F)65 mm (2.6 inches)85%moderate
September Weather3°C (38°F)62 mm (2.4 inches)84%moderate
October Weather5°C (41°F)72 mm (2.8 inches)83%very high
November Weather7°C (46°F)93 mm (3.7 inches)84%extreme
December Weather9°C (48°F)103 mm (4.0 inches)82%extreme

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