August Weather in McMurdo Station, Antarctica

Last updated: August 22, 2025

In August, the average temperature in McMurdo Station, Antarctica plunges to a chilling -25°C (-13°F). With minimum temperatures dipping as low as -39°C (-38°F) and peaking at a frosty -11°C (12°F), it’s a month where warm attire is a must. Expect about 24 mm (0.9 in) of precipitation spread over 6 days, with average humidity hovering around 70%, adding to the winter's bite. Stay cozy!

August Temperature in McMurdo Station

In August in McMurdo Station, the average temperature is -25°C (-13°F). Maximums can reach -11°C (12°F), and minimums can be as low as -39°C (-38°F). Be prepared for extreme cold conditions if you plan to travel during this time.

August Weather in McMurdo Station: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in McMurdo Station, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In McMurdo Station, August typically has an average temperature of -25°C (-13°F), with highs reaching up to -11°C (12°F) and lows dropping to around -39°C (-38°F).
JanFebMarAprMayJunJulAugSepOctNovDec23163-7-6-9-10-14-1201323
Data source: Temperature data for McMurdo Station 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 McMurdo Station

In McMurdo Station in August, the total precipitation amount is 24 mm (0.9 in) over a span of 6 days.

August Precipitation Trends in McMurdo Station

The chart displays monthly precipitation patterns in McMurdo Station, 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 McMurdo Station, August typically receives around 24 mm (0.9 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec152025122117142421191014
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in McMurdo Station

In McMurdo Station in August, humidity is 70%. With an average temperature of -25°C (-13°F), this humidity feels like a biting chill that penetrates your layers, making travel uncomfortable and bracing as each breath turns to frost, and every step becomes a challenge against the biting cold.

August Average Humidity in McMurdo Station

This chart illustrates the average monthly humidity levels in McMurdo Station, 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 McMurdo Station is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%79%75%71%69%73%70%70%67%73%76%78%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in McMurdo Station

In McMurdo Station in August, 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 McMurdo Station.

Maximum UV Index Levels in McMurdo Station for August

The chart shows the monthly maximum UV Index (UVI) for McMurdo Station 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 McMurdo Station typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec642100012586
Data source: McMurdo Station 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 McMurdo Station Compares to Other Months

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

This table compares monthly weather conditions in McMurdo Station, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (24°F)15 mm (0.6 inches)77%high
February Weather-9°C (16°F)20 mm (0.8 inches)79%moderate
March Weather-16°C (3°F)25 mm (1.0 inches)75%low
April Weather-22°C (-7°F)12 mm (0.5 inches)71%low
May Weather-21°C (-6°F)21 mm (0.8 inches)69%low
June Weather-23°C (-9°F)17 mm (0.7 inches)73%low
July Weather-24°C (-10°F)14 mm (0.5 inches)70%low
August Weather-25°C (-13°F)24 mm (0.9 inches)70%low
September Weather-24°C (-12°F)21 mm (0.8 inches)67%low
October Weather-18°C (0°F)19 mm (0.7 inches)73%moderate
November Weather-11°C (13°F)9 mm (0.4 inches)76%very high
December Weather-5°C (23°F)14 mm (0.5 inches)78%high

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