SPOKANE INTERNATIONAL AIRPORT, WA

Average of Minimum Temperature (Degrees Fahrenheit)

(457938)

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
1881-----z21.43 32.61 38.33 40.58 48.33 51.87 48.26 42.13 35.81 27.27 23.71 37.30a
188215.87 17.00 27.97 34.47 42.10 52.97 54.74 53.52 45.77 37.32 27.87 28.65 36.52
188316.13 9.29 30.52 35.67 43.42 49.70 53.35 52.48 44.23 35.00 32.17 22.45 35.37
188419.16 12.62 27.84 39.03 46.06 53.87 53.58 53.97 42.13 37.94 31.50 8.48 35.52
188513.97 30.32 33.52 37.40 45.94 53.30 57.13 54.58 48.00 36.84 34.87 30.00 39.65
188614.84 29.54 30.77 37.80 46.06 52.23 57.32 53.58 44.10 37.77 24.03 30.23 38.19
188725.16 8.75 31.84 35.80 41.29 46.37 52.10 52.10 42.53 33.29 27.33 26.00 35.21
18888.32 30.34 28.23 38.17 44.61 50.50 51.74 54.65 47.97 37.90 29.53 28.23 37.52
188918.16 21.79 34.58 39.97 47.16 50.43 56.19 51.55 41.69a42.23a29.70 22.65 38.01
189011.50a15.57 30.03 36.13 45.70a49.60 54.26 54.13 44.34a38.48 29.37 31.55 36.72
189129.62b17.68 23.65 38.50 47.00a50.17 57.06 55.94 48.30 40.81 32.77 28.27a39.15
189219.83a25.89a35.58 34.77 44.40a49.87 53.19 54.43a47.00 38.26 33.90 22.97a38.34
189317.07c17.43 28.77 36.47 44.19 46.57 53.42 52.97 47.57 38.13 28.86a26.83b36.52
189420.00b20.82 30.55 37.97 46.55 50.03 55.42 55.97 46.47 39.39 37.04b26.50a38.89
189521.70a27.68 29.47a38.03 44.10a50.47 54.87 52.23 44.13 35.48 30.07 25.74d37.83
189624.93c32.41 29.19 36.57 41.87 50.20 59.13 54.77 45.93 38.35 23.60 31.10 39.01
189724.10 27.11 25.65 39.10 48.90 51.70 53.10 56.61 45.80 36.06 30.13 24.93a38.60
189820.29 32.00 28.68 38.47 43.13 50.37 54.87 58.40a47.40 36.16 30.33 18.52 38.22
189920.29 18.75 29.90 36.50 41.65 48.57 55.19 50.48 48.47 37.84 38.37 28.45 37.87
190029.39 25.04 35.39 39.97 45.65 53.83 54.84 52.32 47.17 39.68 27.47 32.97 40.31
190124.19 24.68 32.84 34.77 46.61 45.97 53.74 57.00 45.00 40.94 34.20 28.10 39.00
190221.48 29.71 31.48 36.17 45.81 49.00 52.84 51.90 44.10 39.87 31.87 26.81 38.42
190327.68 18.61 30.52 34.30 42.26 54.87 52.81 54.35 43.47 37.35 31.37 27.45 37.92
190428.29 27.38 29.65 38.80 44.06 48.70 56.65 54.35 45.37 40.03 35.70 29.00 39.83
190526.10 21.14 33.65 38.40 43.77 50.47 56.65 54.84 48.83 33.77 27.27 26.29 38.43
190625.29 28.79 27.39 39.37 45.13 47.73 61.00 53.97 47.93 39.61 29.63 28.35 39.52
190712.68 27.07 31.90 35.17 44.55 49.77 55.19 51.35 45.30 39.71 32.97 28.61 37.86
190824.42 26.03 32.23 37.33 42.48 49.50 57.58 54.23 46.60 38.90 33.97 24.32 38.97
190914.87 28.75 31.90 34.13 43.35 50.90 53.32 51.32 49.13 38.03 34.57 21.06 37.61
191023.00 20.54 36.13 41.23 47.00 49.17 57.29 51.65 47.60 41.26 34.47 30.32 39.97
191125.03 23.21 32.35 35.60 42.00 53.37 57.13 53.39 45.03 36.32 27.70 24.19 37.94
191220.52 28.66 29.48 38.13 45.19 52.53 54.55 53.03 43.87 36.32 34.57 27.13 38.67
191318.32 14.82 28.26 37.53 44.90 52.43 54.84 54.94 45.23 35.84 34.70 26.94 37.40
191431.06 26.25 33.97 39.00 46.32 50.00 57.74 55.26 46.50 40.42 34.43 18.52 39.96
191520.26 31.00 35.29 41.37 46.45 49.57 57.16 59.74 46.43 40.65 31.53 25.42 40.41
191610.03 26.97 33.84 37.70 41.61 48.67 54.77 54.55 46.70 33.87 26.10 18.23 36.09
191720.61 24.39 24.77 36.90 44.45 48.37 57.87 55.84 49.53 37.35 35.27 31.03 38.87
191826.65 25.04 34.58 37.77 42.74 54.53 58.61 53.35 51.13 43.06 32.17 27.16 40.57
191925.10 26.54 32.03 39.07 44.45 48.43 56.55 55.77 45.43 32.39 28.27 15.23 37.44
192023.06 26.17 31.06 35.17 42.29 48.47 60.03 55.90 48.00 38.87 31.57 29.77 39.20
192126.45 28.46 31.77 36.23 43.90 54.50 54.94 56.48 43.90 38.68 30.23 23.39 39.08
192213.45 17.70a28.74 34.97 42.84 56.00 58.68 57.19 49.13 40.10 29.13 16.65 37.05
192327.84 15.07 30.19 37.50 44.74 51.30 58.26 55.55 47.90 40.19 31.60 27.13 38.94
192419.00 33.55 31.13 36.00 48.03 51.80 57.16 54.65 47.43 39.68 31.03 18.03 38.96
192524.23 34.25 32.84 40.13 47.32 53.10 59.71 56.03 47.80 34.06 30.43 32.94 41.07
192627.10 32.96 33.13 41.07 45.16 52.13 59.77 53.68 42.13 40.23 34.03 25.55 40.58
192723.16 29.14 32.03 35.77 42.77 52.97 57.32 57.52 48.50 41.32 34.37 14.55 39.12
192824.39 23.62 33.94 36.63 47.97 52.27 59.97 54.06 46.57 39.48 31.23 24.55 39.56
192913.13 11.96 33.06 35.07 44.39 50.63 55.35 57.35 44.97 38.71 23.93 29.77 36.53
19308.48 31.39 32.39 41.57 44.03 48.73 58.97 58.10 49.80 36.81 31.27 24.29 38.82
193130.06 28.07 33.90 38.17 46.84 52.77 58.32 55.84 49.40 38.03 26.10 23.71 40.10
193221.00 22.38 30.90 40.63 45.03 53.47 56.42 56.29 46.20 39.87 36.20 21.00 39.12
193326.81 16.18 32.58 37.83 42.03 51.33 57.48 56.06 45.27 40.55 33.27 32.74 39.34
193432.03 31.00 36.52 44.27 48.97 53.77 58.03 55.84 45.57 42.32 38.30 28.71 42.94
193525.16 28.68 31.10 35.13 42.61 50.00 56.52 53.10 48.93 36.26 27.33 27.74 38.55
193626.90 10.10 30.42 41.07 49.35 54.27 58.06 57.03 46.10 38.90 23.40 28.10 38.64
19372.29 21.11 33.77 38.33 44.87 52.17 59.03 53.19 49.27 42.71 35.27 30.35 38.53
193827.00 27.14 33.45 38.83 44.81 54.10 61.10 53.52 52.87 40.94 28.50 27.10 40.78
193930.35 20.32 31.94 39.47 46.03 50.07 58.26 57.52 48.27 39.00 31.23 31.68 40.34
194024.87 30.83 36.19 41.27 48.16 55.00 60.42 55.68 53.90 44.52 26.77 28.61 42.18
194126.03 29.57 33.06 38.83 44.81 51.07 58.55 55.16 45.87 38.06 31.90 27.35 40.02
194215.55 23.86 28.65 37.00 42.26 47.87 56.58 54.26 45.83 37.16 29.37 28.00 37.20
194314.87 25.71 26.65 38.57 40.87 47.30 54.16 52.71 45.90 40.00 30.17 22.87 36.65
194422.90 25.45 27.26 36.17 44.29 50.53 54.35 52.39 46.77 39.94 31.23 23.13 37.87
194528.10 28.14 29.13h34.13 44.55 48.17 54.16 53.19 44.20 38.68 30.27 24.10 38.88a
194624.48 27.75 32.16 36.30 43.10 47.97 53.94 53.16 46.00 33.32 27.07 26.26 37.63
194715.87 26.11 31.00 35.70 45.42 49.67 54.87 52.32 46.47 43.19 28.93 26.61 38.01
194821.45 21.52 27.55 34.33 43.55 54.67 52.26 52.45 44.73 35.39 28.30 15.42 35.97
1949-1.26 17.79 29.10 36.20 46.68 48.30 54.48 54.71 48.97 33.35 34.53 21.42 35.36
19501.19 22.93 28.55 33.40 40.10 49.87 55.32 56.00 47.83 38.87 30.43 29.10 36.13
195121.58 25.36 26.13 35.47 42.19 49.23 56.26 54.77 47.07 37.84 29.93 16.58 36.87
195217.68 23.38 28.35 36.53 44.45 49.40 55.35 54.87 50.33 41.39 25.37 26.65 37.81
195333.19 28.07 30.94 35.77 40.55 46.70 54.16 54.87 48.27 40.29 33.73 28.39 39.58
195421.42 26.82 26.97 32.80 42.97 45.27 53.68 52.35 45.93 35.13 35.33 24.45 36.93
195522.32 20.57 23.19 31.33 38.29 50.27 53.32 53.45 46.83 37.94 21.90 20.94 35.03
195623.58 15.83 27.65 37.97 45.65 47.13 57.74 54.55 47.40 38.23 26.77 25.65 37.34
19578.61 21.57 29.87 37.77 48.97 50.60 54.45 52.77 49.23 37.52 28.07 29.90 37.44
195827.71 33.89 30.16 35.37 49.74 53.47 59.19 59.52 46.80 38.61 29.53 28.81 41.07
195923.58 24.50 30.45 36.40 39.71 50.17 55.65 51.45 45.33 36.35 23.27 23.26 36.68
196013.71 23.76 29.29 35.53 40.32 47.37 58.61 52.81 45.57 36.90 27.80 21.58 36.10
196124.61 31.64 31.90 34.50 41.84 51.83 56.61 58.26 42.57 34.10 22.63 21.00 37.62
196215.87 25.75 26.74 37.23 41.06 47.37 53.13 52.39 46.83 39.10 32.07 28.94 37.21
196312.58 30.18 31.61 35.37 42.39 50.20 52.97 54.55 51.80 40.23 32.10 21.77 37.98
196424.29 21.10 27.90 33.47 40.48 49.03 54.13 50.03 42.47 36.58 27.00 18.00 35.37
196524.29 25.32 23.32 36.97 39.68 47.70 55.55 55.03 41.07 39.84 32.27 24.52 37.13
196624.45 26.57 29.52 33.53 41.65 46.77 53.74 53.29 50.77 35.35 29.77 28.29 37.81
196728.94 28.50 29.29 31.97 41.42 50.93 55.00 58.16 50.20 37.87 28.47 23.29 38.67
196822.39 29.76 32.35 31.00 41.03 48.27 55.45 53.06 46.33 35.03 29.40 18.94 36.92
19699.32 18.18 26.35 36.23 44.32 52.40 51.97 51.52 47.73 33.16 28.23 25.77 35.43
197020.39 29.46 27.32 31.77 42.13 52.40 58.81 53.87 41.50 34.61 29.50 21.94 36.97
197126.84 26.68 27.68 34.60 44.84 47.97 54.74 58.94 43.43 33.48 29.73 19.29 37.35
197215.90 23.62 32.42 30.97 45.29 50.67 54.29 56.77 43.10 35.16 32.53 19.42 36.68
197320.74 28.07 32.03 33.50 43.65 49.30 55.71 54.58 47.97 37.81 28.80 29.19 38.45
197418.06 29.57 30.45 36.67 39.06 51.83 54.13 53.77 44.87 33.71 30.53 24.74 37.28
197516.94 17.14 27.00 32.00 41.19 47.47 59.16 51.77 45.67 38.71 26.80 25.26 35.76
197624.61 26.00 26.68 34.70 41.32 45.90 55.68 53.65 49.43 33.61 28.53 23.68 36.98
197717.19 27.75 29.71 36.73 40.94 51.63 53.55 57.39 45.20 35.74 27.57 20.10 36.96
197822.84 29.75 33.29 36.07 41.03 49.70 55.29 54.39 45.80 32.81 22.20 11.58 36.23
19792.74 23.11 30.03 34.47 42.65 49.40 56.19 56.45 48.80 40.03 23.77 29.48 36.43
198014.32 29.76 30.61 40.43 46.32 47.03 54.61 50.81 45.37 35.35 30.50 28.10 37.77
198128.06 27.07 29.97 35.07 41.77 45.90 50.45 55.90 45.80 35.65 32.87 24.06 37.71
198219.35 25.29 31.48 32.23 40.74 54.03 54.52 55.90 47.77 36.06 25.07 21.77 37.02
198330.68 31.93 35.13 34.57 43.74 50.77 54.06 58.42 44.47 38.68 33.87 9.68 38.83
198425.29 28.07 33.74 34.20 39.16 47.57 53.81 55.35 43.57 32.19 30.60 12.87 36.37
198516.65 17.14 25.81 36.20 43.45 48.27 58.61 51.68 43.03 34.19 11.67 13.48 33.35
198624.32 25.11 33.52 34.33 42.84 52.13 51.16 57.23 44.30 36.65 28.83 20.77 37.60
198720.42 27.57 33.00 38.77 44.52 50.50 54.48 52.13 47.17 34.68 31.80 19.48 37.88
198818.39 27.38 30.00 37.77 42.13 49.07 54.16 52.94 45.50 40.68 30.60 21.61 37.52
198923.10 14.00 28.81 37.63 41.19 51.43 54.00 52.55 45.50 35.87 31.83 26.52 36.87
199028.58 22.14 29.84 38.50 42.45 48.87 56.19 55.71 49.10 35.32 32.30 14.90a37.83
199119.87 31.14 27.13 34.27 40.52 44.97 54.03 55.74 46.00 32.97 28.70 28.23 36.96
199226.58 32.52 33.39 37.37 43.45 54.17 54.68 54.77 43.60 38.32 29.87 16.39 38.76
199315.45 17.21 29.06 36.97 47.58 47.70 49.03 50.81 43.93 38.03 19.50 27.06 35.20
199430.58 22.89 30.19 38.97 44.35 46.80 57.48 54.42 48.77 36.26 26.70 25.16 38.55
199525.13 29.21 30.13 35.00 44.32 49.40 53.77 50.06 48.23 34.71 32.97 22.94 37.99
199619.55 19.69 27.48 36.00 39.23 47.27 54.13 52.29 43.20 34.87 27.33 18.84 34.99
199723.06 24.82 30.52 32.63 45.23 48.43 53.61 56.58 49.10 36.26 30.70 23.55 37.87
199824.97 31.21 32.65 36.20 45.61 50.10 60.90 56.19 50.30 34.84 34.63 23.55 40.10
199927.32 28.71 30.71 32.93 37.77 47.90 51.68 56.35 43.83 35.45 34.57 27.06 37.86
200023.13 27.69 30.26 36.20 41.81 48.43 53.48 52.65 43.83 35.39 19.63 19.81 36.03
200122.16 19.46 29.61 34.17 41.87 46.63 54.16 56.16 48.73 35.61 33.63 22.58 37.07
200225.90 23.82 26.90 34.63 40.19 49.63 56.58 51.90 44.70 29.29 28.33 29.71 36.80
200329.35 25.39 32.26 35.47 41.94 49.73 56.97 55.74 48.40 40.13 21.47 25.42 38.52
200421.87 25.31 32.42 37.43 44.16 52.03 59.00 59.23 47.40 39.87 29.97 27.39 39.67
200522.13 24.43 31.77 37.47 47.03 49.73 56.52 55.23 45.70 40.77 28.97 17.81 38.13
200630.94 22.86 30.68 37.67 44.13 52.07 59.68 54.71 47.87 36.45 29.33 23.13 39.13
200718.16 28.75 33.97 35.97 43.87 50.57 61.45 55.03 46.43 37.32 28.07 23.65 38.60
200818.19 25.48 29.00 32.00 45.10 49.13 56.74 55.42 47.70 36.77 32.47 16.00 37.00
200920.65 24.75 27.52 35.37 43.35 51.27 58.77 57.58 50.80 34.32 30.43 19.13 37.83
201030.13 31.54 31.55 37.07 40.71 49.67 55.32 55.61 48.67 40.90 26.97 24.52 39.39
201122.94 21.61 32.32 32.70 41.77 48.47 53.65 56.87 50.87 39.42 27.43 23.23 37.61
201223.42 26.55 30.90 38.33 42.55 49.23 58.94 57.23 49.07 38.97 33.37 26.68 39.60
201318.58 27.71 32.03 35.77 45.23 50.73 59.71 59.42 52.57 34.97 28.40 20.06 38.77
201425.65 19.96 30.71 36.20 46.16 50.53 62.00 59.52 50.43 43.68 27.63 27.65 40.01
201526.74 31.36 35.48 36.27 48.87 58.03 61.26 59.26 47.07 44.19 27.67 25.90 41.84
201626.55 32.00 34.19 43.23 47.61 52.87 56.87 57.77 47.63 41.94 37.23 16.90 41.23
201713.42 22.50 34.06 37.50 46.06 52.97 60.55 59.71 51.13 37.00 31.93 22.26 39.09
201829.42 23.21 30.81 37.37 50.77 50.80 59.32 57.74 48.27 38.10 30.93 27.23 40.33
201926.06 14.29 24.61 38.70 48.35 52.37 57.19 59.52 49.63 33.23 29.00 29.13 38.51
202029.19 27.41 29.65 36.43 45.16 51.50 57.06 58.26 51.40 38.10 31.13 27.35 40.22
202129.06 23.57 31.06 37.37 44.13 58.40 63.61 58.42 50.13 39.06 34.20 22.52 40.96
202224.29 23.68 34.26 32.60 41.39 52.03 60.48 62.00 52.80 43.97 21.50 18.68 38.97
202326.97 24.32 29.23 36.27 52.29 54.33 60.52 60.10 51.07 41.39 30.87 30.55 41.49
202422.94 30.76 32.68 38.59m-----z-----z-----z-----z-----z-----z-----z-----z28.79i
Period of Record Statistics
MEAN21.66 24.81 30.64 36.55 43.92 50.36 56.10 54.90 46.84 37.71 29.88 24.25 38.14
S.D.6.44 5.39 2.76 2.45 2.66 2.51 2.66 2.47 2.59 2.83 3.98 4.92 1.64
SKEW-1.02 -0.75 -0.31 0.17 0.33 0.43 0.26 0.20 0.16 -0.01 -0.91 -0.75 0.14
MAX33.19 34.25 36.52 44.27 52.29 58.40 63.61 62.00 53.90 44.52 38.37 32.97 42.94
MIN-1.26 8.75 23.19 30.97 37.77 44.97 49.03 48.26 41.07 29.29 11.67 8.48 33.35
YRS143 144 143 143 143 143 143 143 143 143 143 143 141