Annual Weather Averages in Jerome County Airport
Jerome County Airport is 58 miles from Sydney Butte, so the actual climate in Sydney Butte can vary a bit.
Based on weather reports collected during 1985–2015.
All Year Climate & Weather Averages in Sydney Butte
High Temp: 89 °F
Low Temp: 20 °F
Mean Temp: 49 °F
Precipitation: 0.38"
Humidity: 55%
Dew Point: 32 °F
Wind: 8 mph
Pressure: 30.04 "Hg
Visibility: 18 mi
January Climate & Weather Averages in Sydney Butte
High Temp: 36 °F
Low Temp: 20 °F
Mean Temp: 28 °F
Precipitation: 0.57"
Humidity: 78%
Dew Point: 22 °F
Wind: 10 mph
Pressure: 30.22 "Hg
Visibility: 14 mi
February Climate & Weather Averages in Sydney Butte
High Temp: 41 °F
Low Temp: 24 °F
Mean Temp: 33 °F
Precipitation: 0.41"
Humidity: 72%
Dew Point: 25 °F
Wind: 10 mph
Pressure: 30.13 "Hg
Visibility: 16 mi
March Climate & Weather Averages in Sydney Butte
High Temp: 52 °F
Low Temp: 30 °F
Mean Temp: 41 °F
Precipitation: 0.59"
Humidity: 58%
Dew Point: 27 °F
Wind: 10 mph
Pressure: 30.04 "Hg
Visibility: 18 mi
April Climate & Weather Averages in Sydney Butte
High Temp: 60 °F
Low Temp: 35 °F
Mean Temp: 47 °F
Precipitation: 0.48"
Humidity: 52%
Dew Point: 30 °F
Wind: 10 mph
Pressure: 29.97 "Hg
Visibility: 20 mi
May Climate & Weather Averages in Sydney Butte
High Temp: 70 °F
Low Temp: 42 °F
Mean Temp: 56 °F
Precipitation: 0.58"
Humidity: 48%
Dew Point: 36 °F
Wind: 9 mph
Pressure: 29.92 "Hg
Visibility: 20 mi
June Climate & Weather Averages in Sydney Butte
High Temp: 80 °F
Low Temp: 50 °F
Mean Temp: 65 °F
Precipitation: 0.30"
Humidity: 43%
Dew Point: 41 °F
Wind: 8 mph
Pressure: 29.90 "Hg
Visibility: 21 mi
July Climate & Weather Averages in Sydney Butte
High Temp: 89 °F
Low Temp: 57 °F
Mean Temp: 73 °F
Precipitation: 0.03"
Humidity: 36%
Dew Point: 45 °F
Wind: 7 mph
Pressure: 29.91 "Hg
Visibility: 21 mi
August Climate & Weather Averages in Sydney Butte
High Temp: 88 °F
Low Temp: 55 °F
Mean Temp: 71 °F
Precipitation: 0.05"
Humidity: 37%
Dew Point: 44 °F
Wind: 6 mph
Pressure: 29.93 "Hg
Visibility: 19 mi
September Climate & Weather Averages in Sydney Butte
High Temp: 78 °F
Low Temp: 47 °F
Mean Temp: 62 °F
Precipitation: 0.09"
Humidity: 40%
Dew Point: 37 °F
Wind: 7 mph
Pressure: 29.98 "Hg
Visibility: 18 mi
October Climate & Weather Averages in Sydney Butte
High Temp: 64 °F
Low Temp: 37 °F
Mean Temp: 51 °F
Precipitation: 0.27"
Humidity: 49%
Dew Point: 31 °F
Wind: 8 mph
Pressure: 30.07 "Hg
Visibility: 18 mi
November Climate & Weather Averages in Sydney Butte
High Temp: 47 °F
Low Temp: 27 °F
Mean Temp: 37 °F
Precipitation: 0.50"
Humidity: 67%
Dew Point: 27 °F
Wind: 9 mph
Pressure: 30.16 "Hg
Visibility: 16 mi
December Climate & Weather Averages in Sydney Butte
High Temp: 36 °F
Low Temp: 20 °F
Mean Temp: 28 °F
Precipitation: 0.68"
Humidity: 77%
Dew Point: 22 °F
Wind: 9 mph
Pressure: 30.21 "Hg
Visibility: 14 mi