Monthly Means and Extremes
Metolius, Oregon Period: 1961-1990
Parameter Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Mean Temperature (F)
Maximum 40.8 47.1 53.5 59.8 67.9 76.5 84.3 84.0 75.5 63.7 48.6 40.8 61.8
Minimum 23.3 26.4 27.8 30.5 36.0 42.2 45.4 45.1 39.3 33.2 28.9 23.7 33.3
Mean 32.1 36.7 40.6 45.2 52.0 59.4 64.9 64.5 57.4 48.4 38.8 32.3 47.6
Extreme Temperature (F)
Maximum 65 72 81 85 99 101 101 105 99 91 73 65 105
Minimum -27 -16 7 14 17 27 32 29 20 11 -13 -25 -27
Precipitation (inches)
Monthly mean 1.32 .86 .86 .68 .76 .76 .38 .60 .47 .66 1.54 1.41 9.95
Extreme 24 hour 1.48 1.10 .65 .90 .80 2.00 .94 1.20 1.21 .76 2.00 1.41 2.00
Snowfall (inches)
Monthly mean 5.03 2.55 1.35 .27 .00 .00 .00 .00 .00 .05 2.37 3.85 13.35
Average number of days
Temperature
Maximum 90 or more .0 .0 .0 .0 .2 2.6 9.0 8.8 1.3 .1 .0 .0 22.3
Maximum 32 or less 6.2 1.9 .1 .0 .0 .0 .0 .0 .0 .0 1.4 5.9 16.0
Minimum 32 or less 24.7 21.5 22.4 18.2 10.5 1.9 .1 .2 5.1 13.6 19.8 25.1 163.1
Minimum 0 or less 1.7 .5 .0 .0 .0 .0 .0 .0 .0 .0 .1 1.3 4.1
Precipitation
.01 inches or more 8.1 6.5 6.8 5.2 5.6 4.2 2.7 3.4 3.3 4.7 9.1 8.4 65.8
.10 inches or more 4.3 3.0 3.0 2.3 2.7 2.0 1.0 1.7 1.4 2.2 4.3 4.3 30.9
.50 inches or more .4 .2 .2 .1 .2 .3 .2 .2 .2 .1 .8 .6 3.7
1.00 inches or more .0 .1 .0 .0 .0 .1 .0 .0 .0 .0 .2 .1 .5
Degree Days
Heating days @ 65F 1021 798 756 595 408 193 75 82 237 514 787 1015 6525
Growing days @ 50F 0 1 5 32 120 287 462 450 236 65 4 1 1673
Oregon Climate Service