December weather forecast
McMurdo, Antarctica

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Weather in December

December marks the completion of the annual weather cycle in McMurdo, Antarctica, with similar conditions to January. The city experiences daily high temperatures of -0.8°C (30.6°F), coupled with consistent rainfall levels. The return to around-the-clock sunlight signals a new beginning for McMurdo's weather pattern. Concluding the year, December affirms the resilience of life in the tough Antarctic climate.

Temperature

December shows a rise in the average high-temperature, moving from November's -6.7°C (19.9°F) to a still freezing cold -0.8°C (30.6°F). McMurdo, during the month of December, experiences an average low-temperature of -6°C (21.2°F).

Humidity

With an average relative humidity of 67%, December is the most humid month in McMurdo.

Rainfall

In December, the rain falls for 2.5 days. Throughout December, 16mm (0.63") of precipitation is accumulated. Throughout the year, there are 46.1 rainfall days, and 201mm (7.91") of precipitation is accumulated.

Snowfall

January through December are months with snowfall. In McMurdo, in December, snow falls for 13.8 days, with typically accumulated 104mm (4.09") of snow. In McMurdo, during the entire year, snow falls for 181.3 days and aggregates up to 1484mm (58.43") of snow.

Daylight

The months with the shortest days are January, May through July, November and December, with an average of 0h and 0min of daylight.
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Frequently asked questions

How cold is it in McMurdo in December?

During December, McMurdo experiences an average high-temperature of -0.8°C (30.6°F) and a low-temperature of -6°C (21.2°F).

What is the most humid month in McMurdo?

With an average relative humidity of 67%, December is the most humid month.

What is the average humidity in December in McMurdo?

In McMurdo, Antarctica, the average relative humidity in December is 67%.

How many days does it rain in December in McMurdo?

In McMurdo, in December, during 2.5 rainfall days, 16mm (0.63") of precipitation is typically accumulated.

How much does it snow in McMurdo in December?

In McMurdo, during December, snow falls for 13.8 days and regularly aggregates up to 104mm (4.09") of snow.

What is the month with the shortest days in McMurdo?

January, May through July, November and December, with an average of 0h and 0min of daylight, are months with the shortest days.

What is the average length of the day in December in McMurdo?

The average day length in December in McMurdo is 0h and 0min.
Average humidity
Average rainfall days
Average snowfall days
Average daylight

Average temperature in December
McMurdo, Antarctica

Average temperature in December - McMurdo, Antarctica
  • Average high temperature in December: -0.8°C

The warmest month (with the highest average high temperature) is January (-0.2°C).
The month with the lowest average high temperature is August (-22.8°C).

  • Average low temperature in December: -6°C

The month with the highest average low temperature is January (-5.5°C).
The coldest month (with the lowest average low temperature) is August (-31.8°C).

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Average humidity in December
McMurdo, Antarctica

Average humidity in December - McMurdo, Antarctica
  • Average humidity in December: 67%

The month with the highest relative humidity is December (67%).
The month with the lowest relative humidity is September (55.8%).

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Average rainfall in December
McMurdo, Antarctica

Average rainfall in December - McMurdo, Antarctica
  • Average rainfall in December: 15.7mm

The wettest month (with the highest rainfall) is June (24.9mm).
The driest month (with the least rainfall) is November (9.5mm).

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Average rainfall days in December
McMurdo, Antarctica

Average rainfall days in December - McMurdo, Antarctica
  • Average rainfall days in December: 2.5 days

The month with the highest number of rainy days is June (5.7 days).
The month with the least rainy days is November (2.4 days).

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Average snowfall in December
McMurdo, Antarctica

Average snowfall in December - McMurdo, Antarctica
  • Average snowfall in December: 104mm

The month with the highest snowfall is February (224mm).
The months with the least snowfall are January and August (66mm).

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Average snowfall days in December
McMurdo, Antarctica

Average snowfall days in December - McMurdo, Antarctica
  • Average snowfall days in December: 13.8 days

The month with the highest number of snowfall days is March (17.8 days).
The month with the least snowfall days is January (12.8 days).

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Average daylight in December
McMurdo, Antarctica

Average daylight in December - McMurdo, Antarctica
  • Average daylight in December: 0h and 0min

The month with the longest days is March (Average daylight: 13h and 48min).
The months with the shortest days are January, May, June, July, November and December (Average daylight: 0h and 0min).

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McMurdo, Antarctica

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