Annual Weather Averages in George Airport
George Airport is 38 miles from Knysna, so the actual climate in Knysna can vary a bit.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Knysna
High Temp: 78 °F
Low Temp: 45 °F
Mean Temp: 63 °F
Precipitation: 2.24"
Humidity: 75%
Dew Point: 53 °F
Wind: 13 mph
Pressure: 30.04 "Hg
Visibility: 8 mi
January Climate & Weather Averages in Knysna
High Temp: 78 °F
Low Temp: 60 °F
Mean Temp: 69 °F
Precipitation: 2.59"
Humidity: 79%
Dew Point: 61 °F
Wind: 14 mph
Pressure: 29.94 "Hg
Visibility: 8 mi
February Climate & Weather Averages in Knysna
High Temp: 78 °F
Low Temp: 61 °F
Mean Temp: 70 °F
Precipitation: 2.09"
Humidity: 80%
Dew Point: 61 °F
Wind: 13 mph
Pressure: 29.95 "Hg
Visibility: 8 mi
March Climate & Weather Averages in Knysna
High Temp: 77 °F
Low Temp: 58 °F
Mean Temp: 68 °F
Precipitation: 2.71"
Humidity: 80%
Dew Point: 59 °F
Wind: 12 mph
Pressure: 29.99 "Hg
Visibility: 8 mi
April Climate & Weather Averages in Knysna
High Temp: 75 °F
Low Temp: 54 °F
Mean Temp: 64 °F
Precipitation: 2.01"
Humidity: 77%
Dew Point: 54 °F
Wind: 11 mph
Pressure: 30.04 "Hg
Visibility: 8 mi
May Climate & Weather Averages in Knysna
High Temp: 72 °F
Low Temp: 50 °F
Mean Temp: 61 °F
Precipitation: 1.41"
Humidity: 74%
Dew Point: 50 °F
Wind: 12 mph
Pressure: 30.06 "Hg
Visibility: 9 mi
June Climate & Weather Averages in Knysna
High Temp: 70 °F
Low Temp: 46 °F
Mean Temp: 58 °F
Precipitation: 1.53"
Humidity: 68%
Dew Point: 44 °F
Wind: 13 mph
Pressure: 30.12 "Hg
Visibility: 9 mi
July Climate & Weather Averages in Knysna
High Temp: 68 °F
Low Temp: 45 °F
Mean Temp: 57 °F
Precipitation: 1.74"
Humidity: 69%
Dew Point: 43 °F
Wind: 13 mph
Pressure: 30.17 "Hg
Visibility: 9 mi
August Climate & Weather Averages in Knysna
High Temp: 68 °F
Low Temp: 46 °F
Mean Temp: 57 °F
Precipitation: 2.55"
Humidity: 72%
Dew Point: 45 °F
Wind: 13 mph
Pressure: 30.11 "Hg
Visibility: 9 mi
September Climate & Weather Averages in Knysna
High Temp: 69 °F
Low Temp: 48 °F
Mean Temp: 58 °F
Precipitation: 1.96"
Humidity: 75%
Dew Point: 48 °F
Wind: 13 mph
Pressure: 30.09 "Hg
Visibility: 8 mi
October Climate & Weather Averages in Knysna
High Temp: 70 °F
Low Temp: 52 °F
Mean Temp: 61 °F
Precipitation: 2.93"
Humidity: 77%
Dew Point: 52 °F
Wind: 14 mph
Pressure: 30.05 "Hg
Visibility: 8 mi
November Climate & Weather Averages in Knysna
High Temp: 73 °F
Low Temp: 54 °F
Mean Temp: 63 °F
Precipitation: 3.31"
Humidity: 77%
Dew Point: 55 °F
Wind: 14 mph
Pressure: 30.00 "Hg
Visibility: 8 mi
December Climate & Weather Averages in Knysna
High Temp: 76 °F
Low Temp: 58 °F
Mean Temp: 67 °F
Precipitation: 2.06"
Humidity: 78%
Dew Point: 58 °F
Wind: 14 mph
Pressure: 29.96 "Hg
Visibility: 8 mi