Annual Weather Averages in Needles Airport
Needles Airport is 45 miles from Bill Williams Mountains, so the actual climate in Bill Williams Mountains can vary a bit.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Bill Williams Mountains
High Temp: 110 °F
Low Temp: 44 °F
Mean Temp: 76 °F
Precipitation: 0.36"
Humidity: 24%
Dew Point: 34 °F
Wind: 13 mph
Pressure: 29.87 "Hg
Visibility: 16 mi
January Climate & Weather Averages in Bill Williams Mountains
High Temp: 66 °F
Low Temp: 45 °F
Mean Temp: 56 °F
Precipitation: 0.68"
Humidity: 36%
Dew Point: 28 °F
Wind: 13 mph
Pressure: 30.08 "Hg
Visibility: 16 mi
February Climate & Weather Averages in Bill Williams Mountains
High Temp: 71 °F
Low Temp: 47 °F
Mean Temp: 59 °F
Precipitation: 0.80"
Humidity: 33%
Dew Point: 29 °F
Wind: 13 mph
Pressure: 30.00 "Hg
Visibility: 16 mi
March Climate & Weather Averages in Bill Williams Mountains
High Temp: 79 °F
Low Temp: 53 °F
Mean Temp: 66 °F
Precipitation: 0.47"
Humidity: 26%
Dew Point: 29 °F
Wind: 14 mph
Pressure: 29.92 "Hg
Visibility: 16 mi
April Climate & Weather Averages in Bill Williams Mountains
High Temp: 87 °F
Low Temp: 60 °F
Mean Temp: 73 °F
Precipitation: 0.19"
Humidity: 18%
Dew Point: 27 °F
Wind: 15 mph
Pressure: 29.83 "Hg
Visibility: 16 mi
May Climate & Weather Averages in Bill Williams Mountains
High Temp: 96 °F
Low Temp: 69 °F
Mean Temp: 83 °F
Precipitation: 0.08"
Humidity: 16%
Dew Point: 31 °F
Wind: 15 mph
Pressure: 29.75 "Hg
Visibility: 15 mi
June Climate & Weather Averages in Bill Williams Mountains
High Temp: 107 °F
Low Temp: 79 °F
Mean Temp: 93 °F
Precipitation: 0.04"
Humidity: 12%
Dew Point: 33 °F
Wind: 15 mph
Pressure: 29.70 "Hg
Visibility: 15 mi
July Climate & Weather Averages in Bill Williams Mountains
High Temp: 110 °F
Low Temp: 85 °F
Mean Temp: 98 °F
Precipitation: 0.28"
Humidity: 19%
Dew Point: 49 °F
Wind: 14 mph
Pressure: 29.73 "Hg
Visibility: 15 mi
August Climate & Weather Averages in Bill Williams Mountains
High Temp: 109 °F
Low Temp: 84 °F
Mean Temp: 97 °F
Precipitation: 0.43"
Humidity: 23%
Dew Point: 52 °F
Wind: 13 mph
Pressure: 29.73 "Hg
Visibility: 15 mi
September Climate & Weather Averages in Bill Williams Mountains
High Temp: 103 °F
Low Temp: 76 °F
Mean Temp: 90 °F
Precipitation: 0.33"
Humidity: 21%
Dew Point: 43 °F
Wind: 12 mph
Pressure: 29.76 "Hg
Visibility: 16 mi
October Climate & Weather Averages in Bill Williams Mountains
High Temp: 89 °F
Low Temp: 63 °F
Mean Temp: 76 °F
Precipitation: 0.21"
Humidity: 22%
Dew Point: 34 °F
Wind: 12 mph
Pressure: 29.86 "Hg
Visibility: 16 mi
November Climate & Weather Averages in Bill Williams Mountains
High Temp: 75 °F
Low Temp: 51 °F
Mean Temp: 63 °F
Precipitation: 0.33"
Humidity: 26%
Dew Point: 28 °F
Wind: 13 mph
Pressure: 30.00 "Hg
Visibility: 17 mi
December Climate & Weather Averages in Bill Williams Mountains
High Temp: 64 °F
Low Temp: 44 °F
Mean Temp: 54 °F
Precipitation: 0.42"
Humidity: 36%
Dew Point: 27 °F
Wind: 13 mph
Pressure: 30.07 "Hg
Visibility: 17 mi