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March Weather in Puerto Williams, Chile

Last updated: August 22, 2025

In Puerto Williams, Chile, the average temperature in March hovers around 8°C (46°F), with a minimum dipping as low as -1°C (31°F) and a maximum reaching up to 19°C (66°F). Expect 97 mm (3.8 in) of precipitation spread over 19 days, accompanied by an average humidity of 85%. Embrace the changeable weather and prepare for a mix of chilly and mild days!

March Temperature in Puerto Williams

In March in Puerto Williams, the average temperature is 8°C (46°F), with maximums reaching 19°C (66°F) and minimums plummeting to as low as -1°C (31°F). This means travelers should be prepared for a range of temperatures, so layering clothing is essential for comfort during their visit.

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

The chart illustrates March 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, March typically has an average temperature of 8°C (46°F), with highs reaching up to 19°C (66°F) and lows dropping to around -1°C (31°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.

March Precipitation in Puerto Williams

In Puerto Williams in March, the precipitation amount is 97 mm (3.8 in) spread over the course of 19 days.

March Precipitation Trends in Puerto Williams

The chart displays monthly precipitation patterns in Puerto Williams, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Puerto Williams, March typically receives around 97 mm (3.8 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec120106977065483865627293103
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Puerto Williams

In Puerto Williams in March humidity is 85%. With an average temperature of 8°C (46°F), this humidity feels like a cold, damp embrace that can leave travelers feeling chilled and uncomfortable, making outdoor exploration less appealing and encouraging the search for cozy indoor activities instead.

March Average Humidity in Puerto Williams

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

March UV Index in Puerto Williams

In Puerto Williams in March, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Puerto Williams, you can refer to this Hourly UV Index in Puerto Williams.

Maximum UV Index Levels in Puerto Williams for March

The chart shows the monthly maximum UV Index (UVI) for Puerto Williams in March, 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 March, the maximum UV index in Puerto Williams typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec98632113591211
Data source: Puerto Williams March 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 March 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 March’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 March’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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