Weather Averages Grants Pass, OR

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Weather Averages for
Grants Pass, OR



Latitude: 42°37'N, Longitude: 123°22'W, Elevation: 1170.4 m, Distance: 10.54 km

  Unit Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature
over 44 years
°C 8 1 2 3 5 9 13 17 17 15 10 5 2
Average high temperature
over 44 years
°C 13 4 6 7 10 15 19 23 23 20 14 8 5
Average low temperature
over 44 years
°C 4 0 0 0 1 4 7 10 11 9 6 2 0
Highest recorded temperature
over 44 years
°C 37 18 19 23 27 32 35 37 36 36 30 25 18
Lowest recorded temperature
over 44 years
°C -18 -18 -12 -9 -7 -5 -2 2 2 -3 -6 -11 -16
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
cm 89.9 15.0 10.7 10.2 5.3 4.3 2.5 0.8 1.5 3.0 8.1 14.0 14.5
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
km/h 19.0 20.6 20.1 18.8 17.1 16.4 17.9 19.0 17.5 17.9 19.2 22.7 21.4
Average number of days below -1.5°C
over 44 years
days 109 19 16 20 16 7 - - - - 3 11 18
Average snowfall
over 44 years
cm 251.2 56.9 41.1 46.5 22.6 5.8 0.3 - - 0.3 3.8 22.6 51.6
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
cm 2.5 15.2 12.7 10.2 2.5 - - - - - - 2.5 7.6
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