Weather Averages Grants Pass, OR

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Weather Averages for
Grants Pass, OR


Latitude: 42°37'N, Longitude: 123°22'W, Elevation: 3840.0 ft, Distance: 16.96 mi

  Unit Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature
over 44 years
°F 46 35 37 37 42 48 55 62 62 59 51 41 36
Average high temperature
over 44 years
°F 56 40 43 44 51 59 67 75 74 69 58 46 41
Average low temperature
over 44 years
°F 39 30 32 31 34 39 45 51 51 49 43 35 31
Highest recorded temperature
over 44 years
°F 100 66 66 73 82 91 95 100 96 96 87 77 66
Lowest recorded temperature
over 44 years
°F -2 -2 8 15 19 21 26 36 36 26 19 10 1
Average number of rainy days
over 44 years
days 126 16 15 17 12 9 6 2 3 5 10 16 17
Average precipitation
over 44 years
in 35.4 5.9 4.2 4.0 2.1 1.7 1.0 0.3 0.6 1.2 3.2 5.5 5.7
Average morning relative humidity
over 7 years
% 75 80 79 84 84 74 73 65 67 66 70 81 79
Average evening relative humidity
over 22 years
% 59 72 70 68 63 53 49 40 42 45 58 75 75
Average wind speed
over 6 years
mph 11.8 12.8 12.5 11.7 10.6 10.2 11.1 11.8 10.9 11.1 11.9 14.1 13.3
Average number of days below 32°F
over 44 years
days 109 19 16 20 16 7 - - - - 3 11 18
Average snowfall
over 44 years
in 98.9 22.4 16.2 18.3 8.9 2.3 0.1 - - 0.1 1.5 8.9 20.3
Average number of clear days
over 30 years
days 126 5 4 5 6 9 13 23 21 17 11 6 5
Average snow cover
over 44 years
in 1.0 6.0 5.0 4.0 1.0 - - - - - - 1.0 3.0
Heating degree days
over 30 years
days 6466 896 762 822 681 490 263 131 121 227 442 741 890
Cooling degree days
over 30 years
days 235 - - - - - 11 75 84 50 15 - -
Average number of cloudy days
over 30 years
days 172 21 20 21 17 15 10 3 4 7 14 19 22
Average number of partly cloudy days
over 30 years
days 68 5 4 5 7 7 7 5 6 6 6 5 4