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July Weather in Puerto Williams, Chile

Last updated: August 22, 2025

In July, the average temperature in Puerto Williams, Chile hovers around 1°C (33°F), with lows plunging to -11°C (12°F) and highs reaching up to 10°C (50°F). Expect a precipitation total of 38 mm (1.5 in) spread over 13 days, contributing to an average humidity of 85%. Dress warmly and prepare for a mix of chilly and damp weather!

July Temperature in Puerto Williams

In July in Puerto Williams, the average temperature is 1°C (33°F), with maximums reaching 10°C (50°F) and minimums plummeting to -11°C (12°F). Travelers should prepare for potentially cold weather and dress in layers to stay comfortable during their visit.

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

The chart illustrates July 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, July typically has an average temperature of 1°C (33°F), with highs reaching up to 10°C (50°F) and lows dropping to around -11°C (12°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.

July Precipitation in Puerto Williams

In Puerto Williams in July, the precipitation amount is 38 mm (1.5 in) over a span of 13 days.

July Precipitation Trends in Puerto Williams

The chart displays monthly precipitation patterns in Puerto Williams, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Puerto Williams, July typically receives around 38 mm (1.5 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec120106977065483865627293103
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Puerto Williams

In Puerto Williams in July, humidity is 85%. With an average temperature of 1°C (33°F), this humidity feels like a chilling blanket wrapping around you, making outdoor exploration quite uncomfortable and potentially exhausting for travelers.

July Average Humidity in Puerto Williams

This chart illustrates the average monthly humidity levels in Puerto Williams, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, 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 July generated using information from the Copernicus Climate Change Service.

July UV Index in Puerto Williams

In Puerto Williams in July, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Puerto Williams.

Maximum UV Index Levels in Puerto Williams for July

The chart shows the monthly maximum UV Index (UVI) for Puerto Williams in July, 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 July, the maximum UV index in Puerto Williams typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec98632113591211
Data source: Puerto Williams July 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 July 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 July’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 July’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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