Annual Weather Averages Near Sierre
Averages are for Montana, which is 3 miles from Sierre.
Based on weather reports collected during 2012–2021.
All Year Climate & Weather Averages in Sierre
High Temp: 70 °F
Low Temp: 22 °F
Mean Temp: 44 °F
Precipitation: 2.82"
Humidity: 68%
Dew Point: 33 °F
Wind: 8 mph
Pressure: 30.07 "Hg
Visibility: 8 mi
January Climate & Weather Averages in Sierre
High Temp: 35 °F
Low Temp: 22 °F
Mean Temp: 28 °F
Precipitation: 3.81"
Humidity: 72%
Dew Point: 20 °F
Wind: 8 mph
Pressure: 30.15 "Hg
Visibility: 7 mi
February Climate & Weather Averages in Sierre
High Temp: 37 °F
Low Temp: 23 °F
Mean Temp: 30 °F
Precipitation: 2.98"
Humidity: 68%
Dew Point: 20 °F
Wind: 8 mph
Pressure: 30.11 "Hg
Visibility: 8 mi
March Climate & Weather Averages in Sierre
High Temp: 44 °F
Low Temp: 28 °F
Mean Temp: 36 °F
Precipitation: 3.06"
Humidity: 63%
Dew Point: 24 °F
Wind: 9 mph
Pressure: 30.06 "Hg
Visibility: 8 mi
April Climate & Weather Averages in Sierre
High Temp: 52 °F
Low Temp: 35 °F
Mean Temp: 43 °F
Precipitation: 2.31"
Humidity: 60%
Dew Point: 29 °F
Wind: 10 mph
Pressure: 29.98 "Hg
Visibility: 7 mi
May Climate & Weather Averages in Sierre
High Temp: 56 °F
Low Temp: 39 °F
Mean Temp: 48 °F
Precipitation: 3.89"
Humidity: 68%
Dew Point: 37 °F
Wind: 9 mph
Pressure: 29.99 "Hg
Visibility: 7 mi
June Climate & Weather Averages in Sierre
High Temp: 66 °F
Low Temp: 48 °F
Mean Temp: 57 °F
Precipitation: 2.70"
Humidity: 67%
Dew Point: 45 °F
Wind: 8 mph
Pressure: 30.00 "Hg
Visibility: 7 mi
July Climate & Weather Averages in Sierre
High Temp: 70 °F
Low Temp: 51 °F
Mean Temp: 61 °F
Precipitation: 2.68"
Humidity: 66%
Dew Point: 48 °F
Wind: 8 mph
Pressure: 30.01 "Hg
Visibility: 7 mi
August Climate & Weather Averages in Sierre
High Temp: 69 °F
Low Temp: 51 °F
Mean Temp: 60 °F
Precipitation: 3.14"
Humidity: 68%
Dew Point: 48 °F
Wind: 7 mph
Pressure: 30.03 "Hg
Visibility: 7 mi
September Climate & Weather Averages in Sierre
High Temp: 62 °F
Low Temp: 45 °F
Mean Temp: 54 °F
Precipitation: 1.43"
Humidity: 72%
Dew Point: 44 °F
Wind: 7 mph
Pressure: 30.07 "Hg
Visibility: 7 mi
October Climate & Weather Averages in Sierre
High Temp: 54 °F
Low Temp: 39 °F
Mean Temp: 47 °F
Precipitation: 2.09"
Humidity: 71%
Dew Point: 36 °F
Wind: 8 mph
Pressure: 30.09 "Hg
Visibility: 8 mi
November Climate & Weather Averages in Sierre
High Temp: 44 °F
Low Temp: 31 °F
Mean Temp: 38 °F
Precipitation: 2.18"
Humidity: 72%
Dew Point: 28 °F
Wind: 9 mph
Pressure: 30.07 "Hg
Visibility: 8 mi
December Climate & Weather Averages in Sierre
High Temp: 38 °F
Low Temp: 26 °F
Mean Temp: 32 °F
Precipitation: 3.54"
Humidity: 69%
Dew Point: 22 °F
Wind: 8 mph
Pressure: 30.22 "Hg
Visibility: 8 mi