PORTLAND INTL AIRPORT, OR

Average of Average Temperature (Degrees Fahrenheit)

(356751)

File last updated on April 18, 2024
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.

YEAR(S)JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDECANN
1938-----z-----z-----z54.47 60.02 65.30 70.94 66.10 67.42 57.10 44.53 42.89 58.75c
193943.29 40.23 48.87 55.35 60.42 60.83 69.00 69.24 64.65 56.21 49.97 45.55 55.30
194041.69 46.47 51.32 54.62 62.44 67.18 68.79 70.08 65.40 57.52 42.52 42.27 55.86
194141.27 46.14 52.05 54.47 57.58 62.10 71.39 67.79 60.40 54.65 48.03 42.87 54.89
194235.32 42.73 46.35 52.78 56.47 60.98 69.40 69.08 63.27 55.65 44.87 43.00 53.33
194333.24 43.48 45.45 54.30 55.58 60.32 67.19 66.84 65.75 54.82 46.08 39.97 52.75
194439.16 42.21 45.35 50.87 57.47 61.67 67.90 66.79 65.13 58.48 45.25 39.34 53.30
194542.40 44.36 45.16 50.42 58.79 61.80 68.98 67.92 60.80 54.15 45.20 39.81 53.32
194640.90 42.68 46.55 51.43 59.74 61.20 67.63 67.76 62.00 50.65 43.15 41.85 52.96
194737.19 45.21 49.74 53.90 61.31 62.02 66.79 65.85 63.65 55.37 47.03 42.90 54.25
194839.52 40.79 44.74 48.90 56.05 66.47 66.94 65.77 61.82 53.47 43.73 38.05 52.19
194927.74 39.09 45.65 52.40 59.15 61.73 65.87 66.47 63.13 48.53 49.85 41.40 51.75
195026.98 38.79 45.05 48.55 54.50 61.77 66.85 68.77 61.78 52.37 46.42 46.39 51.52
195139.77 42.88 41.90 53.45 56.71 64.47 67.05 65.66 63.12 53.66 45.73 37.52 52.66
195235.63 41.67 45.34 52.38 57.48 60.25 67.95 67.85 64.80 58.65 40.65 41.61 52.86
195347.31 43.80 45.84 49.88 54.40 58.60 66.21 65.55 62.47 54.29 48.60 43.69 53.39
195439.00 42.50 43.82 49.53 56.71 57.92 63.03 63.32 60.17 53.05 49.65 40.89 51.63
195539.73 40.41 41.50 46.47 52.90 60.70 63.44 65.45 60.37 53.56 41.38 39.23 50.43
195639.92 35.84 44.16 52.65 59.05 59.03 68.00 65.40 60.82 51.71 42.60 40.65 51.65
195731.19 41.64 46.13 51.83 58.84 62.03 65.53 64.50 65.27 52.82 43.97 43.89 52.30
195843.58 48.59 45.45 50.83 61.76 65.22 70.56 70.29 62.30 55.18 45.43 43.56 55.23
195940.34 42.66 46.76 52.25 55.73 62.75 68.63 65.44 60.28 54.21 42.78 39.56 52.62
196035.34 42.26 44.95 50.63 53.94 63.03 69.05 65.40 61.50 54.48 46.47 38.66 52.14
196143.60 47.18 47.65 50.03 56.53 65.32 69.32 70.29 59.50 53.29 42.92 40.87 53.87
196238.60 42.93 45.24 52.55 53.87 61.60 66.35 65.92 63.28 55.15 47.53 42.56 52.97
196334.92 47.75 45.21 48.55 56.55 59.93 63.03 66.15 65.10 54.19 46.02 37.95 52.11
196440.89 40.05 43.84 46.73 52.56 58.70 64.48 63.69 58.43 53.21 41.03 37.02 50.05
196540.18 43.39 47.55 51.78 54.26 61.82 69.66 68.53 60.43 57.40 49.67 39.44 53.68
196640.27 42.71 47.16 50.58 56.97 62.35 66.37 67.50 64.43 53.65 47.08 44.21 53.61
196743.58 43.64 43.94 46.90 57.02 65.88 69.27 72.90 66.40 54.81 46.15 40.34 54.24
196839.32 48.12 48.15 48.02 56.32 62.18 68.60 65.76 61.48 52.03 46.53 37.29 52.82
196931.87 39.66 46.52 50.03 59.42 66.50 66.60 66.03 63.40 53.24 47.20 42.85 52.78
197040.56 45.98 46.92 48.32 57.00 65.87 69.15 68.16 60.70 52.97 47.12 39.92 53.55
197140.39 42.79 43.69 49.58 56.73 60.20 69.16 71.60 60.82 52.35 45.45 40.34 52.76
197239.15 43.78 49.73 48.02 60.11 63.98 70.85 71.71 61.12 53.00 48.22 37.39 53.92
197338.94 44.88 47.85 52.22 59.37 63.90 70.24 65.92 64.40 54.29 44.13 44.66 54.23
197437.97 42.96 47.16 51.30 55.69 64.33 67.03 68.87 67.30 55.15 48.10 44.11 54.17
197541.44 41.18 44.94 47.33 57.45 61.85 69.00 65.31 65.68 53.47 45.92 42.66 53.02
197642.23 42.10 44.35 50.22 56.58 60.35 67.15 65.50 64.18 54.61 46.92 39.47 52.80
197735.66 44.59 45.47 52.85 53.76 63.92 66.29 71.66 60.72 53.77 43.25 42.02 52.83
197840.05 44.68 49.13 50.43 54.63 65.10 68.35 67.53 60.90 54.69 39.05 35.24 52.48
197930.69 42.84 50.73 53.02 60.08 65.02 70.47 68.63 66.28 58.08 45.03 44.37 54.60
198035.08 42.47 46.24 53.83 57.34 60.65 68.85 66.35 63.75 56.03 48.52 44.00 53.59
198143.84 43.95 48.81 52.47 57.47 61.73 67.47 72.11 64.87 53.29 48.80 42.65 54.79
198239.61 43.50 48.47 48.98 57.56 65.92 67.42 68.56 63.17 54.85 44.35 41.71 53.68
198344.34 47.23 50.71 52.70 60.40 62.75 66.50 69.08 61.53 54.24 49.30 36.34 54.59
198442.18 45.88 51.08 50.37 56.40 62.13 69.05 69.39 63.67 52.82 46.67 38.29 53.99
198536.05 41.04 45.76 53.85 58.24 64.35 74.11 69.23 60.77 52.74 37.22 33.03 52.20
198642.47 43.61 51.24 50.20 57.60 66.30 65.27 72.29 61.50 56.97 47.68 40.52 54.64
198739.60 45.18 48.71 54.17 60.37 66.48 67.15 70.52 65.47 58.21 48.77 39.02 55.30
198839.00 44.69 47.19 52.15 56.37 62.40 68.40 67.94 63.98 58.32 47.45 41.97 54.16
198942.24 36.00 45.56 55.98 57.95 64.23 65.45 66.03 65.25 54.84 48.55 40.27 53.53
199043.32 41.88 49.35 54.52 56.74 63.55 71.15 70.84 67.02 53.82 48.37 34.66 54.60
199138.89 48.80 46.18 50.75 54.69 59.87 69.84 70.03 67.35 55.35 47.53 42.69 54.33
199244.50 48.09 52.27 55.40 63.10 67.35 70.18 69.79 62.23 55.87 46.25 39.31 56.19
199336.48 40.02 47.90 52.55 61.08 62.50 64.31 68.48 65.62 57.37 41.48 41.35 53.26
199444.44 40.84 50.21 54.18 60.66 62.92 71.05 70.16 67.58 54.13 42.67 42.27 55.09
199543.32 46.45 48.29 51.25 60.73 63.72 70.56 67.27 67.08 54.53 51.67 42.42 55.61
199640.63 41.60 47.63 53.47 55.23 63.20 72.02 70.32 61.80 53.94 45.42 41.63 53.91
199740.98 42.89 46.68 51.02 62.18 62.67 68.87 71.52 65.88 53.69 49.78 41.08 54.77
199842.95 46.07 48.73 52.75 56.23 63.35 70.95 70.98 66.90 54.32 48.93 40.50 55.22
199942.82 43.68 45.79 50.65 54.90 61.17 67.13 69.00 64.57 55.11 50.12 43.87 54.07
200039.82 43.67 45.60 54.02 57.52 65.25 67.81 67.76 63.90 55.21 42.77 40.34 53.64
200141.13 41.95 48.02 49.62 59.42 61.03 66.50 69.21 65.08 53.53 47.97 41.94 53.78
200241.16 44.38 44.85 52.25 55.68 64.63 69.81 69.27 64.68 54.13 47.57 43.39 54.32
200344.74 44.29 48.97 50.80 57.29 66.07 71.58 70.05 66.72 58.19 45.23 42.48 55.53
200438.45 45.24 51.23 56.32 60.10 65.47 71.52 71.47 62.77 56.27 45.82 43.23 55.66
200541.74 43.50 49.97 52.27 60.13 61.97 70.27 70.71 62.47 56.27 44.05 39.76 54.43
200645.48 42.00 46.08 53.10 59.76 66.30 70.97 69.19 65.10 54.02 47.37 39.98 54.95
200738.10 44.21 50.11 51.67 58.58 62.85 70.71 68.27 62.42 53.11 44.82 40.92 53.81
200838.79 44.88 45.44 48.50 58.87 61.82 68.79 69.60 65.23 53.55 49.22 37.45 53.51
200940.05 41.34 45.29 52.28 60.11 65.72 73.56 69.90 66.13 54.66 47.72 35.63 54.37
201045.05 46.57 48.24 50.95 55.03 60.43 67.48 68.15 64.43 55.08 44.95 42.56 54.08
201141.69 40.32 46.10 47.92 54.08 61.67 66.66 69.85 67.40 55.50 44.92 39.08 52.93
201240.82 43.38 45.03 53.00 57.98 61.22 68.00 71.10 66.05 56.00 48.67 42.76 54.50
201337.82 44.38 48.66 52.37 59.66 65.38 69.98 71.21 64.73 53.50 45.65 36.37 54.14
201441.42 40.32 49.08 53.68 61.19 63.65 71.82 73.10 67.60 60.06 46.33 44.13 56.03
201543.44 49.16 52.39 52.77 61.11 70.27 73.92 72.35 63.97 60.08 45.25 43.44 57.34
201642.60 49.31 50.29 57.75 62.19 66.07 69.10 71.90 63.32 56.42 52.28 37.23 56.54
201733.48 40.77 47.65 50.73 59.76 65.37 70.00 73.61 66.57 54.26 47.35 39.84 54.12
201845.60 42.48 47.16 53.75 63.02 65.73 74.03 72.15 64.37 56.56 48.10 43.95 56.41
201943.15 37.59 46.66 54.35 62.16 65.67 70.31 71.76 64.42 51.47 46.82 43.03 54.78
202045.79 43.95 46.40 54.53 60.39 64.20 70.19 71.11 67.38 56.13 46.40 43.85 55.86
202144.76 41.91 47.16 55.15 60.10 70.70 73.05 72.47 66.38 54.76 50.38 41.15 56.50
202241.81 43.59 49.92 49.68 56.90 65.12 73.74 75.08 69.48 61.40 43.68 38.98 55.78
202343.26 41.23 45.24 51.72 64.27 66.43 73.40 75.37 66.40 57.79 47.73 46.15 56.58
202440.26 46.19 49.95 53.44m-----z-----z-----z-----z-----z-----z-----z-----z45.47i
Period of Record Statistics
MEAN40.05 43.33 47.21 51.76 58.05 63.33 68.81 68.88 63.93 54.86 46.18 40.97 53.93
S.D.3.91 2.73 2.37 2.35 2.60 2.50 2.50 2.61 2.37 2.13 2.75 2.69 1.41
SKEW-1.09 -0.08 0.22 -0.13 0.09 0.32 0.02 0.12 -0.10 0.47 -0.56 -0.52 -0.07
MAX47.31 49.31 52.39 57.75 64.27 70.70 74.11 75.37 69.48 61.40 52.28 46.39 57.34
MIN26.98 35.84 41.50 46.47 52.56 57.92 63.03 63.32 58.43 48.53 37.22 33.03 50.05
YRS86 86 86 86 86 86 86 86 86 86 86 86 85