Weather Averages Sierra Vista, AZ

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Weather Averages for
Sierra Vista, AZ



Latitude: 31°36'N, Longitude: 110°21'W, Elevation: 1438.0 m, Distance: 1.31 km

  Unit Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature
over 34 years
°C 17 8 10 12 16 20 25 25 24 22 18 12 8
Average high temperature
over 34 years
°C 23 14 16 18 23 27 32 31 30 28 24 18 15
Average low temperature
over 34 years
°C 10 1 2 5 8 13 18 19 18 16 11 5 2
Highest recorded temperature
over 34 years
°C 40 27 28 30 33 37 40 39 36 37 34 30 26
Lowest recorded temperature
over 34 years
°C -13 -12 -10 -7 -4 1 8 14 12 5 -1 -7 -13
Average number of rainy days
over 39 years
days 67 5 4 4 2 2 3 15 13 7 4 3 5
Average number of days above 27°C
over 12 years
days 34 - - 1 3 17 14 8 4 1 - - 48
Average precipitation
over 39 years
cm 38.1 2.8 1.8 1.8 0.8 0.5 1.0 9.9 8.9 4.8 3.0 1.3 2.8
Average dew point
over 14 years
°C 2 -3 -2 -3 -2 0 2 11 13 8 3 -2 -2
Average number of days with thunderstorms
over 39 years
days 60 1 1 1 1 2 5 19 18 8 2 1 1
Average number of days with fog
over 39 years
days 12 2 1 1 1 - - 1 1 1 1 1 2
Average morning relative humidity
over 14 years
% 51.1 59.5 56.2 49.2 37.7 34 30.5 56.9 66.7 57.6 52.5 52.6 61.2
Average evening relative humidity
over 14 years
% 30.3 37.8 32.4 26.2 20.9 18.7 17.8 35.3 42.7 34.5 30 29.2 38.1
Average wind speed
over 12 years
km/h 25.7 8.0 12.9 12.9 12.9 9.7 8.0 8.0 8.0 8.0 8.0 8.0 9.7
Average snowfall
over 39 years
cm 18.0 2.0 3.3 3.8 0.8 - - - - - 0.3 1.3 3.8
Most rain reported in a day
over 39 years
cm 6.9 4.3 3.6 2.5 1.8 1.5 2.0 5.8 6.3 6.1 6.9 6.1 4.1
Most rain reported in a month
over 39 years
cm 65.0 13.0 6.9 6.1 2.5 3.8 3.3 22.6 20.6 19.1 14.0 10.2 12.7
Least rain reported in a month
over 39 years
cm 17.8 - - - - - - 3.3 1.0 - - - -
Heating degree days
over 16 years
days 2462 563 445 353 147 34 - - - 3 72 323 522
Cooling degree days
over 16 years
days 1586 - - 1 25 157 368 399 331 239 66 - -
Most snow reported in a month
over 39 years
cm 51.8 25.4 24.6 17.8 10.4 - - - - - 2.8 13.5 44.5
Average possibility of clouds
over 14 years
% 35.6 40.6 42.7 36.1 30.2 27.2 24.9 48.9 52.4 28.1 26.5 29.4 40.4
Average number of snowy days
over 39 years
days 6 1 1 1 1 - - - - - - 1 1
Average number of days below -1°C
over 34 years
days 36 11 8 3 1 - - - - - 1 3 9
Average number of days below -7.5°C
over 34 years
days 3 1 1 - - - - - - - - - 1
Most snow reported in a day
over 39 years
cm 114.8 12.7 15.2 8.6 - - - - - 2.8 13.5 31.0 31.0
Deepest snow cover reported
over 39 years
cm 17.8 15.2 12.7 12.7 7.6 - - - - - - 10.2 17.8
Average wet bulb point
over 14 years
°C 10 3 5 6 8 11 14 17 18 15 11 6 5