Currently: -1 °F. Fog. (Weather station: Base Marambio Centro Met. Antartico, Antarctica). See more current weatherAnnual Weather Averages in Base Marambio Centro Met. Antartico
Base Marambio Centro Met. Antartico is 31 miles from James Ross Island, so the actual climate in James Ross Island can vary a bit.
Based on weather reports collected during 2012–2021.
All Year Climate & Weather Averages in James Ross Island
High Temp: 35 °F
Low Temp: -4 °F
Mean Temp: 19 °F
Precipitation: 1.28"
Humidity: 86%
Dew Point: 14 °F
Wind: 36 mph
Pressure: 29.19 "Hg
Visibility: 6 mi
January Climate & Weather Averages in James Ross Island
High Temp: 35 °F
Low Temp: 25 °F
Mean Temp: 30 °F
Precipitation: 1.52"
Humidity: 91%
Dew Point: 27 °F
Wind: 25 mph
Pressure: 29.18 "Hg
Visibility: 5 mi
February Climate & Weather Averages in James Ross Island
High Temp: 35 °F
Low Temp: 23 °F
Mean Temp: 29 °F
Precipitation: 1.30"
Humidity: 88%
Dew Point: 25 °F
Wind: 31 mph
Pressure: 29.17 "Hg
Visibility: 5 mi
March Climate & Weather Averages in James Ross Island
High Temp: 31 °F
Low Temp: 17 °F
Mean Temp: 24 °F
Precipitation: 1.57"
Humidity: 89%
Dew Point: 20 °F
Wind: 35 mph
Pressure: 29.20 "Hg
Visibility: 5 mi
April Climate & Weather Averages in James Ross Island
High Temp: 26 °F
Low Temp: 9 °F
Mean Temp: 18 °F
Precipitation: 1.15"
Humidity: 85%
Dew Point: 13 °F
Wind: 39 mph
Pressure: 29.23 "Hg
Visibility: 6 mi
May Climate & Weather Averages in James Ross Island
High Temp: 21 °F
Low Temp: 4 °F
Mean Temp: 13 °F
Precipitation: 1.31"
Humidity: 84%
Dew Point: 8 °F
Wind: 38 mph
Pressure: 29.32 "Hg
Visibility: 5 mi
June Climate & Weather Averages in James Ross Island
High Temp: 16 °F
Low Temp: -2 °F
Mean Temp: 7 °F
Precipitation: 0.92"
Humidity: 86%
Dew Point: 3 °F
Wind: 38 mph
Pressure: 29.25 "Hg
Visibility: 5 mi
July Climate & Weather Averages in James Ross Island
High Temp: 18 °F
Low Temp: -1 °F
Mean Temp: 8 °F
Precipitation: 1.12"
Humidity: 83%
Dew Point: 4 °F
Wind: 37 mph
Pressure: 29.31 "Hg
Visibility: 6 mi
August Climate & Weather Averages in James Ross Island
High Temp: 14 °F
Low Temp: -4 °F
Mean Temp: 5 °F
Precipitation: 1.00"
Humidity: 84%
Dew Point: 1 °F
Wind: 41 mph
Pressure: 29.27 "Hg
Visibility: 5 mi
September Climate & Weather Averages in James Ross Island
High Temp: 24 °F
Low Temp: 5 °F
Mean Temp: 15 °F
Precipitation: 0.90"
Humidity: 84%
Dew Point: 10 °F
Wind: 41 mph
Pressure: 29.17 "Hg
Visibility: 6 mi
October Climate & Weather Averages in James Ross Island
High Temp: 28 °F
Low Temp: 11 °F
Mean Temp: 19 °F
Precipitation: 1.53"
Humidity: 85%
Dew Point: 14 °F
Wind: 35 mph
Pressure: 29.11 "Hg
Visibility: 6 mi
November Climate & Weather Averages in James Ross Island
High Temp: 33 °F
Low Temp: 21 °F
Mean Temp: 27 °F
Precipitation: 1.25"
Humidity: 85%
Dew Point: 22 °F
Wind: 36 mph
Pressure: 29.01 "Hg
Visibility: 6 mi
December Climate & Weather Averages in James Ross Island
High Temp: 35 °F
Low Temp: 25 °F
Mean Temp: 30 °F
Precipitation: 1.74"
Humidity: 88%
Dew Point: 26 °F
Wind: 31 mph
Pressure: 29.08 "Hg
Visibility: 6 mi