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Boise Weather in 2020

Historical record of Boise, Idaho weather for the year 2020 based on NOAA data.
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2020 Boise Weather Extremes
Highest temperature 105 °F July 30
Lowest temperature 16 °F January 15
Highest daily low 73 °F August 18
Lowest daily high 28 °F December 29
Most daily precipitation 1.2 inches June 13
Most daily snow 2.7 inches November 8
Total annual precipitation 14.6 inches -
Total annual snow 17.6 inches -
January 2020 Boise Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
47 37 0.20 0.0
44 32 0.00 0.0
50 33 0.00 0.0
47 30 0.00 0.0
39 29 0.04 0.7
40 28 0.02 0.0
53 34 0.00 0.0
47 32 0.06 0.1
38 29 0.13 1.0
38 23 0.00 0.0
39 32 0.15 0.7
39 31 0.19 2.5
36 30 0.10 1.8
39 20 0.06 2.1
37 16 0.00 0.0
48 31 0.00 0.0
40 31 0.00 0.0
42 30 0.00 0.0
41 25 0.00 0.0
40 28 0.00 0.0
48 33 0.02 0.0
47 28 0.00 0.0
53 38 0.00 0.0
49 38 0.17 0.0
44 33 0.02 0.0
46 38 0.74 0.0
49 33 0.00 0.0
47 35 0.19 0.0
46 31 0.07 0.0
44 33 0.13 0.0
50 36 0.00 0.0
February 2020 Boise Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
52 34 0.00 0.0
39 27 0.02 0.0
38 25 0.00 0.0
36 17 0.00 0.0
35 28 0.37 2.6
46 32 0.22 0.0
56 42 0.00 0.0
47 32 0.01 0.0
46 26 0.00 0.0
47 25 0.00 0.0
49 26 0.00 0.0
49 28 0.00 0.0
53 28 0.00 0.0
48 29 0.00 0.0
45 30 0.00 0.0
45 30 0.53 0.0
41 25 0.00 0.0
41 23 0.00 0.0
40 21 0.00 0.0
45 20 0.00 0.0
45 23 0.00 0.0
50 25 0.00 0.0
58 29 0.00 0.0
44 27 0.00 0.0
45 20 0.00 0.0
52 31 0.00 0.0
56 27 0.00 0.0
63 30 0.00 0.0
49 36 0.00 0.0
March 2020 Boise Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
51 27 0.00 0.0
49 24 0.00 0.0
58 40 0.00 0.0
60 34 0.00 0.0
71 38 0.00 0.0
66 42 0.00 0.0
60 39 0.14 0.0
51 33 0.00 0.0
52 37 0.02 0.0
57 32 0.00 0.0
63 36 0.00 0.0
53 32 0.00 0.0
57 28 0.00 0.0
53 38 0.10 0.0
56 34 0.58 0.0
59 35 0.00 0.0
60 41 0.28 0.0
49 36 0.00 0.0
57 30 0.00 0.0
59 40 0.00 0.0
59 36 0.00 0.0
60 33 0.00 0.0
57 43 0.05 0.0
49 36 0.07 0.0
49 32 0.01 0.0
49 25 0.00 0.0
50 26 0.00 0.0
57 35 0.00 0.0
55 42 0.10 0.0
54 43 0.03 0.0
53 37 0.44 0.0
April 2020 Boise Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
46 31 0.00 0.0
47 25 0.00 0.0
52 29 0.00 0.0
60 29 0.05 0.0
61 42 0.16 0.0
62 40 0.00 0.0
66 39 0.00 0.0
71 40 0.00 0.0
71 39 0.00 0.0
71 46 0.00 0.0
65 42 0.00 0.0
54 33 0.00 0.0
52 28 0.00 0.0
61 30 0.00 0.0
62 43 0.02 0.0
55 37 0.00 0.0
62 36 0.00 0.0
69 35 0.00 0.0
69 40 0.00 0.0
71 42 0.00 0.0
73 42 0.00 0.0
69 41 0.08 0.0
62 47 0.37 0.0
65 40 0.00 0.0
73 45 0.00 0.0
72 49 0.00 0.0
69 51 0.02 0.0
74 45 0.00 0.0
88 53 0.00 0.0
73 50 0.42 0.0
May 2020 Boise Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
70 43 0.00 0.0
78 50 0.00 0.0
63 44 0.01 0.0
68 36 0.00 0.0
82 48 0.00 0.0
73 46 0.01 0.0
66 34 0.00 0.0
75 43 0.00 0.0
81 48 0.00 0.0
85 48 0.00 0.0
82 56 0.00 0.0
67 51 0.00 0.0
62 44 0.03 0.0
60 47 0.36 0.0
65 45 0.01 0.0
73 45 0.00 0.0
79 55 0.02 0.0
60 51 0.15 0.0
56 45 0.35 0.0
51 45 0.80 0.0
60 46 0.11 0.0
57 42 0.01 0.0
66 39 0.00 0.0
71 42 0.00 0.0
79 49 0.01 0.0
76 58 0.02 0.0
83 53 0.00 0.0
91 55 0.00 0.0
95 65 0.00 0.0
98 69 0.00 0.0
78 58 0.09 0.0
June 2020 Boise Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
76 58 0.00 0.0
84 54 0.00 0.0
85 60 0.00 0.0
81 56 0.00 0.0
95 58 0.00 0.0
68 49 0.14 0.0
54 41 0.85 0.0
65 45 0.12 0.0
74 50 0.00 0.0
83 51 0.00 0.0
90 57 0.00 0.0
89 60 0.00 0.0
69 50 1.21 0.0
67 46 0.06 0.0
62 51 0.12 0.0
61 50 0.26 0.0
67 47 0.16 0.0
75 48 0.00 0.0
81 52 0.00 0.0
86 60 0.00 0.0
82 60 0.00 0.0
86 55 0.00 0.0
93 57 0.00 0.0
96 63 0.00 0.0
88 64 0.00 0.0
93 63 0.00 0.0
85 63 0.00 0.0
69 52 0.00 0.0
60 49 0.24 0.0
74 51 0.11 0.0
July 2020 Boise Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
76 52 0.00 0.0
81 49 0.00 0.0
91 57 0.00 0.0
88 58 0.00 0.0
88 56 0.00 0.0
93 58 0.00 0.0
82 62 0.00 0.0
80 53 0.00 0.0
91 55 0.00 0.0
88 62 0.00 0.0
101 64 0.00 0.0
90 62 0.00 0.0
83 59 0.00 0.0
85 53 0.00 0.0
89 54 0.00 0.0
94 60 0.00 0.0
97 63 0.00 0.0
90 59 0.00 0.0
92 59 0.00 0.0
95 61 0.00 0.0
99 63 0.00 0.0
94 69 0.00 0.0
91 67 0.02 0.0
91 60 0.00 0.0
90 59 0.00 0.0
94 56 0.00 0.0
97 64 0.00 0.0
96 66 0.06 0.0
99 63 0.00 0.0
105 68 0.00 0.0
104 71 0.00 0.0
August 2020 Boise Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
100 67 0.00 0.0
100 64 0.00 0.0
93 68 0.00 0.0
93 60 0.00 0.0
98 62 0.00 0.0
92 69 0.00 0.0
81 56 0.00 0.0
90 54 0.00 0.0
88 58 0.00 0.0
89 59 0.00 0.0
97 62 0.00 0.0
86 63 0.00 0.0
90 56 0.00 0.0
89 54 0.00 0.0
98 58 0.00 0.0
103 69 0.00 0.0
102 73 0.00 0.0
101 73 0.00 0.0
95 72 0.00 0.0
91 67 0.00 0.0
92 66 0.00 0.0
90 60 0.00 0.0
93 62 0.00 0.0
90 65 0.01 0.0
94 65 0.06 0.0
91 63 0.00 0.0
88 65 0.00 0.0
90 59 0.00 0.0
93 60 0.00 0.0
79 57 0.00 0.0
76 54 0.00 0.0
September 2020 Boise Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
84 49 0.00 0.0
95 60 0.00 0.0
95 59 0.00 0.0
102 63 0.00 0.0
100 64 0.00 0.0
92 62 0.00 0.0
88 55 0.00 0.0
70 47 0.00 0.0
78 47 0.00 0.0
84 50 0.00 0.0
87 54 0.00 0.0
84 57 0.00 0.0
89 54 0.00 0.0
87 55 0.00 0.0
85 56 0.00 0.0
84 56 0.00 0.0
87 55 0.00 0.0
77 61 0.01 0.0
74 54 0.00 0.0
80 50 0.00 0.0
89 56 0.00 0.0
81 56 0.00 0.0
85 60 0.00 0.0
74 55 0.00 0.0
75 51 0.02 0.0
68 52 0.01 0.0
69 41 0.00 0.0
74 45 0.00 0.0
81 48 0.00 0.0
81 51 0.00 0.0
October 2020 Boise Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
82 53 0.00 0.0
84 51 0.00 0.0
83 53 0.00 0.0
81 47 0.00 0.0
81 49 0.00 0.0
82 52 0.00 0.0
82 50 0.00 0.0
80 51 0.00 0.0
78 49 0.00 0.0
64 48 0.42 0.0
60 41 0.00 0.0
70 51 0.00 0.0
67 49 0.01 0.0
59 42 0.00 0.0
59 36 0.00 0.0
70 39 0.00 0.0
69 44 0.00 0.0
71 44 0.00 0.0
68 45 0.00 0.0
62 45 0.00 0.0
63 40 0.00 0.0
53 29 0.00 0.0
55 31 0.00 0.0
54 30 0.02 0.0
45 24 0.00 0.0
45 17 0.00 0.0
58 25 0.00 0.0
63 33 0.00 0.0
69 40 0.00 0.0
75 37 0.00 0.0
58 31 0.00 0.0
November 2020 Boise Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
63 35 0.00 0.0
66 37 0.00 0.0
68 37 0.00 0.0
72 37 0.00 0.0
76 44 0.00 0.0
68 45 0.00 0.0
48 32 0.08 0.2
33 30 0.16 2.7
36 26 0.00 0.0
42 30 0.03 0.0
41 27 0.01 0.0
43 26 0.00 0.0
43 33 0.45 0.4
45 32 0.02 0.0
45 37 0.46 0.0
56 42 0.03 0.0
61 37 0.00 0.0
55 41 0.33 0.0
50 33 0.08 0.0
46 29 0.00 0.0
42 24 0.00 0.0
40 24 0.00 0.0
40 25 0.00 0.0
45 25 0.00 0.0
41 32 0.06 1.0
43 27 0.00 0.0
43 26 0.00 0.0
37 22 0.00 0.0
40 22 0.00 0.0
35 21 0.00 0.0
December 2020 Boise Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
40 19 0.00 0.0
47 25 0.00 0.0
41 23 0.00 0.0
40 21 0.00 0.0
42 21 0.00 0.0
40 20 0.00 0.0
46 23 0.00 0.0
43 21 0.00 0.0
39 20 0.00 0.0
42 20 0.00 0.0
41 22 0.00 0.0
38 18 0.00 0.0
37 25 0.04 0.5
35 21 0.01 0.1
37 24 0.02 0.2
44 31 0.00 0.0
44 35 0.08 0.0
43 32 0.00 0.0
49 33 0.00 0.0
46 39 0.03 0.0
58 43 0.00 0.0
49 27 0.02 0.0
37 20 0.00 0.0
43 24 0.00 0.0
43 21 0.00 0.0
42 28 0.34 0.5
32 22 0.00 0.0
31 20 0.00 0.0
28 21 0.00 0.0
35 23 0.01 0.2
38 29 0.01 0.2
Weather Station Details
Years Station Coordinates
1940–2022 location