Weather Averages Bannock, ID

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Weather Averages for
Bannock, ID


Latitude: 42°55'N, Longitude: 112°36'W, Elevation: 4454.0 ft, Distance: 11.79 mi

  Unit Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature
over 48 years
°F 46 24 30 37 46 53 62 71 69 60 48 35 26
Average high temperature
over 48 years
°F 60 32 39 46 57 68 78 87 87 75 62 44 35
Average low temperature
over 48 years
°F 34 14 19 26 33 39 46 53 51 43 33 24 17
Highest recorded temperature
over 48 years
°F 104 57 64 75 86 93 102 102 104 98 91 71 64
Lowest recorded temperature
over 48 years
°F -32 -31 -32 -11 15 19 28 34 30 19 10 -14 -29
Average number of rainy days
over 44 years
days 96 12 10 10 8 9 7 4 5 5 5 9 11
Average number of days above 90°F
over 48 years
days 33 - - - - - 4 15 12 2 - - -
Average precipitation
over 48 years
in 11.5 1.1 0.9 1.2 1.1 1.3 1.1 0.5 0.6 0.7 0.9 1.1 1.0
Average dew point
over 48 years
°F 28 17 21 24 26 34 39 43 39 35 28 24 19
Most recorded rainfall
over 48 years
in 20.3 3.2 2.6 2.9 3.3 3.3 3.3 2.3 4.0 3.4 2.6 2.8 3.4
Least recorded rainfall
over 48 years
in 5.3 0.2 0.1 0.1 0.1 0.2 - - - - - - 0.1
Average number of days with thunderstorms
over 48 years
days 25 - - - 1 4 5 6 5 3 1 - -
Average number of days with fog
over 48 years
days 49 12 8 5 2 1 1 - - 1 2 6 11
Average morning relative humidity
over 48 years
% 72 80 80 77 70 71 70 62 60 64 70 77 81
Average evening relative humidity
over 48 years
% 44 71 63 51 38 35 31 23 22 27 37 60 72
Average wind speed
over 48 years
mph 12.0 12.0 12.0 12.0 16.0 12.0 11.0 10.0 10.0 11.0 11.0 12.0 12.0
Average number of days below 32°F
over 48 years
days 165 28 25 25 15 4 - - - 3 14 23 29
Average snowfall
over 44 years
in 43.3 10.0 6.2 5.9 4.4 0.6 - - - 0.1 1.9 5.3 8.9
Average number of days above 65°F
over 48 years
days 157 - - 1 8 19 27 31 31 25 14 1 -
Average number of clear days
over 44 years
days 106 3 4 5 6 7 12 17 15 15 12 5 3
Heating degree days
over 30 years
days 7180 1293 1005 890 603 353 125 9 29 218 527 882 1246
Cooling degree days
over 30 years
days 421 - - - - - 56 183 144 38 - - -
Average possibility of sunshine
over 44 years
% 64 40 53 61 66 68 75 83 81 79 71 47 40
Average number of cloudy days
over 44 years
days 161 21 18 18 16 14 9 5 5 7 11 18 21
Average number of partly cloudy days
over 44 years
days 99 7 6 8 8 10 9 9 11 8 8 7 7