Idaho Falls Weather in 2020

Historical record of Idaho Falls, Idaho weather for the year 2020 based on NOAA data.
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2020 Idaho Falls Weather Extremes
Highest temperature 98 °F August 2
Lowest temperature -11 °F February 20
Highest daily low 61 °F August 12
Lowest daily high 17 °F February 19
Most daily precipitation 1.1 inches March 14
Total annual precipitation 11.2 inches -
Highest Temperatures in Idaho Falls in 2020
Rank Temperature Date
1 98 °F Aug 2
1 98 °F Aug 1
1 98 °F Jul 31
4 97 °F Sep 5
4 97 °F Aug 17
6 95 °F Aug 18
6 95 °F Jul 17
8 94 °F Aug 16
8 94 °F Aug 5
8 94 °F Jul 27
Lowest Temperatures in Idaho Falls in 2020
Rank Temperature Date
1 -11 °F February 20
2 -9 °F December 29
3 -8 °F February 21
3 -8 °F February 11
3 -8 °F February 4
6 -7 °F February 19
7 -6 °F February 25
7 -6 °F February 18
9 -4 °F February 10
9 -4 °F January 10
January 2020 Idaho Falls Weather
Day High (°F) Low (°F) Precip. (inches)
32 21 0.28
31 9 0.00
29 13 0.00
34 5 0.00
27 5 0.03
32 22 0.00
34 18 0.00
32 17 0.00
29 22 0.01
25 -4 0.00
30 22 0.09
29 22 0.00
29 19 n/a
30 21 n/a
22 2 n/a
37 4 n/a
38 17 n/a
22 10 n/a
23 1 n/a
28 5 n/a
37 21 n/a
34 25 n/a
30 21 n/a
33 23 n/a
35 31 n/a
34 29 n/a
34 19 n/a
27 14 n/a
30 18 n/a
30 15 n/a
29 22 0.00
February 2020 Idaho Falls Weather
Day High (°F) Low (°F) Precip. (inches)
36 14 0.00
39 12 n/a
24 2 n/a
18 -8 n/a
17 11 n/a
28 15 0.00
36 21 0.00
38 14 0.00
28 1 0.00
22 -4 0.01
18 -8 0.00
25 0 0.00
19 0 0.00
35 -1 0.00
34 -3 0.01
35 17 0.05
29 -2 0.00
17 -6 0.00
17 -7 0.00
19 -11 0.00
20 -8 0.00
24 -2 0.00
29 -3 0.03
31 4 0.00
27 -6 0.00
25 -2 0.00
25 -2 0.00
30 4 0.00
42 7 0.00
March 2020 Idaho Falls Weather
Day High (°F) Low (°F) Precip. (inches)
33 5 0.06
33 3 0.00
34 15 0.00
44 10 0.00
36 14 0.00
43 21 0.00
56 20 0.01
43 31 0.00
43 26 0.00
46 30 0.00
52 23 0.00
44 26 0.00
44 19 0.00
41 30 1.08
46 31 0.28
51 31 0.03
53 30 0.14
45 31 0.01
50 29 0.00
49 30 0.00
47 33 0.12
53 30 0.00
53 29 0.00
51 34 0.00
46 31 0.00
42 24 0.00
40 20 0.00
48 30 0.00
50 30 0.00
53 33 0.00
50 36 0.06
April 2020 Idaho Falls Weather
Day High (°F) Low (°F) Precip. (inches)
40 27 0.00
35 16 0.03
42 18 0.00
52 26 0.00
52 30 0.20
52 35 1.02
59 35 0.00
62 33 0.00
68 32 0.00
65 37 0.00
59 32 0.06
39 22 0.00
38 15 0.00
49 19 0.00
46 29 0.24
45 24 0.00
52 20 0.00
60 23 0.00
62 31 0.00
63 32 0.00
68 29 0.00
65 38 0.00
60 36 0.27
58 33 0.00
62 28 0.00
70 49 0.00
67 41 0.00
68 36 0.00
77 34 0.00
71 49 0.06
May 2020 Idaho Falls Weather
Day High (°F) Low (°F) Precip. (inches)
66 43 0.00
70 33 0.00
62 44 0.00
61 34 0.00
69 29 0.00
71 32 0.00
60 26 0.00
69 27 0.00
69 34 0.00
74 40 0.00
78 46 0.00
68 40 0.00
63 43 0.00
59 42 0.00
62 39 0.02
64 32 0.00
80 38 0.00
77 47 0.00
75 36 0.00
57 40 0.18
60 40 0.13
49 40 0.54
46 32 0.70
60 36 0.00
70 34 0.00
73 52 0.00
76 49 0.00
82 44 0.00
90 47 0.00
89 49 0.00
78 49 0.00
June 2020 Idaho Falls Weather
Day High (°F) Low (°F) Precip. (inches)
82 48 0.00
78 56 0.00
83 52 0.00
80 59 0.00
91 46 0.00
75 50 0.08
57 39 0.13
54 38 0.01
65 33 0.00
76 40 0.00
85 40 0.00
89 49 0.00
75 51 0.00
64 46 0.00
77 37 0.00
61 48 0.43
50 41 0.91
67 35 0.00
73 38 0.00
75 41 0.00
77 52 0.02
80 45 0.00
85 48 0.00
88 48 0.00
77 54 0.00
85 49 0.00
89 48 0.07
66 46 0.94
58 44 0.09
63 44 0.15
July 2020 Idaho Falls Weather
Day High (°F) Low (°F) Precip. (inches)
75 39 0.00
79 44 0.00
86 53 0.00
87 49 0.00
85 48 0.00
88 46 0.00
81 51 0.00
78 50 0.00
85 40 0.00
84 47 0.00
91 44 0.00
88 47 0.00
82 49 0.00
78 41 0.00
82 41 0.00
87 42 0.00
95 47 0.00
86 49 0.00
85 50 0.00
87 45 0.00
90 47 0.00
80 46 0.00
88 53 0.00
86 47 0.00
90 48 0.00
90 46 0.00
94 48 0.00
72 56 0.01
83 50 0.00
93 49 0.00
98 53 0.00
August 2020 Idaho Falls Weather
Day High (°F) Low (°F) Precip. (inches)
98 55 0.00
98 51 0.00
92 53 0.00
87 47 0.00
94 45 0.00
92 56 0.00
84 60 0.00
86 50 0.00
88 50 0.00
85 48 0.00
89 47 0.00
87 61 0.00
85 59 0.00
83 42 0.00
87 42 0.00
94 44 0.00
97 48 0.00
95 55 0.00
93 59 0.00
88 52 0.00
88 45 0.00
90 46 0.00
91 47 0.00
89 48 0.00
88 58 0.03
87 50 0.21
82 54 0.01
85 47 0.00
88 50 0.00
79 52 0.00
56 40 0.13
September 2020 Idaho Falls Weather
Day High (°F) Low (°F) Precip. (inches)
71 33 0.00
85 39 0.00
87 43 0.00
91 42 0.00
97 42 0.00
90 47 0.00
82 40 0.39
59 36 0.00
72 28 0.00
73 29 0.00
77 36 0.00
82 36 0.00
83 39 0.00
87 39 0.00
86 38 0.00
83 35 0.00
87 42 0.00
78 44 0.00
68 45 0.39
67 36 0.00
79 38 0.00
80 41 0.00
80 40 0.00
78 45 0.00
72 52 0.00
66 46 0.00
62 34 0.00
65 30 0.00
72 31 0.00
76 32 0.00
October 2020 Idaho Falls Weather
Day High (°F) Low (°F) Precip. (inches)
77 35 0.00
73 42 0.00
75 38 0.00
76 35 0.00
73 34 0.00
76 33 0.00
77 34 0.00
78 34 0.00
74 31 0.00
74 33 0.05
56 39 0.00
63 39 0.00
66 41 0.00
58 29 0.00
52 28 0.00
62 33 0.00
67 48 0.00
65 47 0.00
60 49 0.00
58 45 0.00
58 29 0.00
42 16 0.00
47 13 0.00
50 20 0.15
30 8 0.00
33 1 0.00
41 19 0.00
51 18 0.00
59 20 0.00
67 21 0.00
54 24 0.00
November 2020 Idaho Falls Weather
Day High (°F) Low (°F) Precip. (inches)
61 21 0.00
66 24 0.00
67 23 0.00
67 25 0.00
68 25 0.00
71 29 0.00
65 39 0.16
41 23 0.09
28 17 0.00
29 24 0.00
33 23 0.03
28 13 0.00
38 14 0.13
34 24 0.01
38 29 0.00
42 32 0.00
57 29 0.00
52 38 0.04
44 30 0.00
39 22 0.00
36 14 0.00
38 14 0.00
35 15 0.00
32 18 0.00
39 17 0.02
27 16 0.00
27 19 0.00
31 13 0.00
34 8 0.00
41 8 0.00
December 2020 Idaho Falls Weather
Day High (°F) Low (°F) Precip. (inches)
31 12 0.00
35 9 0.00
35 7 0.00
37 8 0.00
42 11 0.00
43 10 0.00
36 7 0.00
41 9 0.00
42 7 0.00
35 12 0.00
27 9 0.00
24 3 0.04
25 1 0.07
27 20 0.11
28 16 0.02
28 21 0.01
32 21 0.11
31 23 0.00
34 17 0.00
37 27 0.00
48 28 0.00
39 19 0.09
27 5 0.00
22 2 0.00
26 5 0.00
34 22 0.24
30 3 0.05
18 -1 0.00
18 -9 0.00
18 14 0.06
26 15 0.00
Weather Station Details
Years Station Coordinates
1948–2024 Idaho Falls Fanning Field location