Annual Weather Averages in McMurdo
Based on weather reports collected during 2012–2021.
All Year Climate & Weather Averages in McMurdo
High Temp: 0 °C
Low Temp: -29 °C
Mean Temp: -16 °C
Precipitation: 10.7 mm
Humidity: 59%
Dew Point: -23 °C
Wind: 34 km/h
Pressure: 98.79 kPa
Visibility: 10 km
January Climate & Weather Averages in McMurdo
High Temp: 0 °C
Low Temp: -6 °C
Mean Temp: -3 °C
Precipitation: 11.1 mm
Humidity: 66%
Dew Point: -9 °C
Wind: 28 km/h
Pressure: 98.98 kPa
Visibility: 10 km
February Climate & Weather Averages in McMurdo
High Temp: -5 °C
Low Temp: -12 °C
Mean Temp: -9 °C
Precipitation: 9.6 mm
Humidity: 57%
Dew Point: -16 °C
Wind: 35 km/h
Pressure: 98.77 kPa
Visibility: 10 km
March Climate & Weather Averages in McMurdo
High Temp: -13 °C
Low Temp: -20 °C
Mean Temp: -17 °C
Precipitation: 14.8 mm
Humidity: 60%
Dew Point: -23 °C
Wind: 41 km/h
Pressure: 98.82 kPa
Visibility: 9 km
April Climate & Weather Averages in McMurdo
High Temp: -18 °C
Low Temp: -26 °C
Mean Temp: -22 °C
Precipitation: 9.9 mm
Humidity: 59%
Dew Point: -28 °C
Wind: 32 km/h
Pressure: 98.83 kPa
Visibility: 10 km
May Climate & Weather Averages in McMurdo
High Temp: -17 °C
Low Temp: -25 °C
Mean Temp: -21 °C
Precipitation: 9.4 mm
Humidity: 61%
Dew Point: -26 °C
Wind: 35 km/h
Pressure: 98.83 kPa
Visibility: 9 km
June Climate & Weather Averages in McMurdo
High Temp: -19 °C
Low Temp: -28 °C
Mean Temp: -23 °C
Precipitation: 7.5 mm
Humidity: 58%
Dew Point: -29 °C
Wind: 36 km/h
Pressure: 98.96 kPa
Visibility: 9 km
July Climate & Weather Averages in McMurdo
High Temp: -21 °C
Low Temp: -29 °C
Mean Temp: -25 °C
Precipitation: 10.2 mm
Humidity: 58%
Dew Point: -31 °C
Wind: 33 km/h
Pressure: 98.94 kPa
Visibility: 9 km
August Climate & Weather Averages in McMurdo
High Temp: -20 °C
Low Temp: -29 °C
Mean Temp: -24 °C
Precipitation: 12.9 mm
Humidity: 59%
Dew Point: -30 °C
Wind: 37 km/h
Pressure: 98.97 kPa
Visibility: 8 km
September Climate & Weather Averages in McMurdo
High Temp: -19 °C
Low Temp: -27 °C
Mean Temp: -23 °C
Precipitation: 17.0 mm
Humidity: 56%
Dew Point: -29 °C
Wind: 35 km/h
Pressure: 98.47 kPa
Visibility: 9 km
October Climate & Weather Averages in McMurdo
High Temp: -13 °C
Low Temp: -20 °C
Mean Temp: -17 °C
Precipitation: 12.4 mm
Humidity: 57%
Dew Point: -23 °C
Wind: 35 km/h
Pressure: 98.36 kPa
Visibility: 9 km
November Climate & Weather Averages in McMurdo
High Temp: -6 °C
Low Temp: -12 °C
Mean Temp: -9 °C
Precipitation: 6.9 mm
Humidity: 56%
Dew Point: -16 °C
Wind: 31 km/h
Pressure: 98.65 kPa
Visibility: 10 km
December Climate & Weather Averages in McMurdo
High Temp: 0 °C
Low Temp: -6 °C
Mean Temp: -3 °C
Precipitation: 6.6 mm
Humidity: 64%
Dew Point: -9 °C
Wind: 28 km/h
Pressure: 98.86 kPa
Visibility: 10 km