Casper Weather in 2020

Historical record of Casper, Wyoming weather for the year 2020 based on NOAA data.
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2020 Casper Weather Extremes
Highest temperature 100 °F July 12
Lowest temperature -9 °F December 28
Highest daily low 68 °F July 17
Lowest daily high 10 °F October 25
Most daily precipitation 0.4 inches April 23
Most daily snow 15.2 inches February 3
Total annual precipitation 5.8 inches -
Total annual snow 89.2 inches -
January 2020 Casper Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
37 25 0.00 0.0
33 17 0.00 0.0
38 12 0.00 0.0
41 26 0.00 0.0
34 16 0.00 0.0
34 19 0.00 0.0
42 27 0.00 0.0
43 25 0.00 0.0
35 18 0.00 0.0
22 3 0.07 2.2
30 18 0.00 0.0
32 19 0.00 0.0
33 15 0.00 0.0
39 15 0.00 0.0
31 5 0.00 0.0
49 8 0.00 0.0
42 17 0.04 0.6
30 10 0.00 0.0
35 22 0.00 0.0
43 25 0.00 0.0
46 31 0.00 0.0
42 17 0.01 0.0
38 17 0.00 0.0
43 30 0.00 0.0
42 27 0.00 0.0
44 25 0.00 0.0
37 11 0.16 2.6
34 10 0.00 0.0
33 18 0.16 1.8
34 14 0.04 0.7
34 20 0.00 0.0
February 2020 Casper Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
42 31 0.00 0.0
42 22 0.03 0.0
22 11 0.24 15.2
12 -4 0.04 0.5
19 4 0.00 0.0
30 16 0.11 2.8
29 18 0.00 0.0
40 15 0.01 0.2
26 18 0.01 0.1
27 7 0.00 0.0
25 5 0.00 0.0
26 2 0.16 3.9
27 -6 0.00 0.0
39 19 0.00 0.0
30 14 0.00 0.0
37 23 0.04 0.8
30 10 0.03 0.6
22 2 0.00 0.0
17 2 0.00 0.2
24 2 0.00 0.0
35 18 0.00 0.0
39 23 0.00 0.0
40 11 0.00 0.0
32 16 0.15 3.9
22 5 0.00 0.2
30 13 0.00 0.0
35 17 0.00 0.0
40 20 0.00 0.0
44 32 0.00 0.0
March 2020 Casper Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
32 6 0.12 2.8
32 12 0.00 0.0
45 23 0.00 0.0
45 27 0.00 0.0
46 21 0.00 0.0
55 33 0.00 0.0
55 32 0.00 0.0
52 30 0.00 0.0
52 29 0.00 0.0
50 31 0.00 0.0
56 32 0.00 0.0
35 20 0.17 4.1
30 16 0.18 3.5
43 21 0.01 0.3
57 24 0.00 0.0
30 22 0.00 0.0
59 26 0.00 0.0
58 26 0.00 0.0
29 19 0.08 1.1
36 7 0.00 0.0
53 28 0.00 0.0
52 22 0.00 0.0
55 23 0.00 0.0
55 34 0.12 0.0
49 31 0.24 2.1
49 28 0.04 1.2
45 23 0.00 0.0
47 27 0.00 0.0
51 25 0.00 0.0
56 27 0.00 0.0
60 35 0.00 0.0
April 2020 Casper Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
49 14 0.19 4.9
16 -1 0.17 2.9
33 -5 0.00 0.0
52 17 0.00 0.0
61 24 0.02 0.0
65 36 0.00 0.0
64 36 0.00 0.0
56 27 0.00 0.0
54 21 0.00 0.0
69 25 0.00 0.0
55 18 0.18 2.6
23 11 0.03 1.0
27 7 0.00 0.0
40 12 0.00 0.0
43 23 0.04 0.6
30 16 0.20 3.2
53 16 0.00 0.0
60 28 0.00 0.0
58 27 0.00 0.0
61 24 0.00 0.0
67 25 0.00 0.0
68 30 0.00 0.0
63 35 0.42 0.0
57 32 0.03 0.0
63 30 0.00 0.0
66 40 0.00 0.0
73 35 0.00 0.0
62 29 0.00 0.0
75 25 0.00 0.0
78 44 0.00 0.0
May 2020 Casper Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
66 44 0.00 0.0
66 35 0.00 0.0
69 43 0.02 0.0
53 35 0.15 0.0
63 30 0.00 0.0
69 24 0.00 0.0
53 27 0.01 0.0
62 22 0.00 0.0
52 32 0.02 0.0
56 27 0.00 0.0
53 34 0.00 0.0
75 33 0.02 0.0
66 36 0.00 0.0
66 32 0.00 0.0
68 34 0.00 0.0
63 38 0.08 0.0
77 29 0.00 0.0
86 44 0.00 0.0
86 40 0.00 0.0
78 46 0.00 0.0
69 42 0.00 0.0
78 34 0.00 0.0
72 38 0.00 0.0
58 29 0.00 0.0
66 27 0.00 0.0
80 33 0.00 0.0
76 44 0.00 0.0
76 42 0.00 0.0
86 42 0.00 0.0
86 51 0.00 0.0
91 57 0.00 0.0
June 2020 Casper Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
91 57 0.00 0.0
85 46 0.00 0.0
85 50 0.00 0.0
88 51 0.00 0.0
94 44 0.00 0.0
76 51 0.17 0.0
73 45 0.09 0.0
67 41 0.00 0.0
68 39 0.00 0.0
77 36 0.00 0.0
82 38 0.00 0.0
89 40 0.00 0.0
92 55 0.00 0.0
82 54 0.00 0.0
87 45 0.00 0.0
89 44 0.00 0.0
71 39 0.00 0.0
72 31 0.00 0.0
78 39 0.00 0.0
82 41 0.00 0.0
78 46 0.00 0.0
81 41 0.00 0.0
87 45 0.00 0.0
93 46 0.00 0.0
83 52 0.01 0.0
82 51 0.01 0.0
91 49 0.00 0.0
84 56 0.00 0.0
85 50 0.02 0.0
71 50 0.00 0.0
July 2020 Casper Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
84 46 0.00 0.0
91 41 0.00 0.0
94 50 0.00 0.0
92 50 0.00 0.0
88 51 0.00 0.0
96 49 0.00 0.0
98 52 0.00 0.0
90 47 0.00 0.0
90 48 0.00 0.0
96 49 0.00 0.0
95 49 0.00 0.0
100 49 0.00 0.0
95 49 0.00 0.0
83 51 0.00 0.0
88 47 0.00 0.0
93 48 0.00 0.0
97 68 0.00 0.0
89 61 0.00 0.0
95 53 0.00 0.0
89 52 0.00 0.0
89 53 0.00 0.0
96 51 0.00 0.0
93 64 0.00 0.0
89 57 0.00 0.0
93 62 0.00 0.0
89 49 0.00 0.0
93 51 0.00 0.0
83 60 0.00 0.0
81 57 0.02 0.0
87 51 0.00 0.0
92 53 0.00 0.0
August 2020 Casper Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
89 48 0.01 0.0
90 53 0.00 0.0
93 53 0.02 0.0
91 51 0.00 0.0
90 51 0.00 0.0
92 52 0.02 0.0
95 54 0.00 0.0
93 52 0.00 0.0
88 57 0.00 0.0
93 47 0.00 0.0
92 52 0.00 0.0
93 58 0.00 0.0
93 57 0.00 0.0
84 49 0.00 0.0
90 47 0.00 0.0
93 48 0.00 0.0
97 50 0.00 0.0
97 52 0.00 0.0
92 52 0.00 0.0
91 56 0.00 0.0
93 57 0.00 0.0
96 53 0.00 0.0
98 58 0.00 0.0
96 55 0.00 0.0
95 62 0.00 0.0
94 58 0.00 0.0
92 54 0.00 0.0
81 50 0.00 0.0
90 47 0.00 0.0
83 43 0.00 0.0
63 33 0.00 0.0
September 2020 Casper Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
77 42 0.00 0.0
90 46 0.00 0.0
85 41 0.00 0.0
91 44 0.00 0.0
98 45 0.00 0.0
92 49 0.00 0.0
66 31 0.32 2.3
33 29 0.15 5.2
45 24 0.00 0.0
51 27 0.00 0.0
55 44 0.07 0.0
79 41 0.00 0.0
82 46 0.00 0.0
87 42 0.00 0.0
88 45 0.00 0.0
79 39 0.00 0.0
78 45 0.00 0.0
83 38 0.00 0.0
85 51 0.00 0.0
74 47 0.00 0.0
81 34 0.00 0.0
85 38 0.00 0.0
80 49 0.00 0.0
87 49 0.00 0.0
81 39 0.00 0.0
69 45 0.00 0.0
55 31 0.00 0.0
62 26 0.00 0.0
79 40 0.00 0.0
67 34 0.00 0.0
October 2020 Casper Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
68 27 0.00 0.0
75 37 0.00 0.0
70 36 0.00 0.0
78 36 0.00 0.0
73 41 0.00 0.0
82 44 0.00 0.0
78 34 0.00 0.0
81 34 0.00 0.0
76 37 0.00 0.0
80 32 0.00 0.0
63 31 0.03 0.0
65 37 0.00 0.0
70 27 0.00 0.0
64 30 0.07 0.0
46 24 0.00 0.0
66 22 0.00 0.0
51 27 0.01 0.0
42 24 0.00 0.0
67 33 0.00 0.0
51 35 0.00 0.0
68 33 0.01 0.0
36 9 0.13 2.3
38 -5 0.00 0.0
40 10 0.01 0.1
10 -8 0.06 1.3
23 -6 0.00 0.0
41 18 0.00 0.0
53 25 0.00 0.0
64 30 0.00 0.0
64 33 0.00 0.0
54 19 0.00 0.0
November 2020 Casper Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
67 16 0.00 0.0
71 42 0.00 0.0
72 44 0.00 0.0
73 32 0.00 0.0
71 35 0.00 0.0
68 46 0.00 0.0
66 47 0.00 0.0
61 16 0.00 0.0
24 12 0.01 0.0
38 17 0.00 0.0
40 18 0.01 0.0
37 11 0.00 0.0
48 28 0.00 0.0
39 17 0.02 0.4
48 17 0.00 0.0
56 30 0.00 0.0
65 38 0.00 0.0
64 47 0.00 0.0
51 22 0.00 0.0
43 6 0.00 0.0
45 4 0.00 0.0
44 10 0.00 0.0
52 17 0.00 0.0
43 10 0.00 0.0
48 18 0.00 0.0
40 7 0.00 0.0
41 13 0.00 0.0
48 21 0.00 0.0
40 5 0.00 0.0
47 29 0.00 0.0
December 2020 Casper Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
35 20 0.01 0.2
27 4 0.00 0.0
33 15 0.00 0.0
43 20 0.00 0.0
45 19 0.00 0.0
47 24 0.00 0.0
47 20 0.00 0.0
49 34 0.00 0.0
53 29 0.00 0.0
34 22 0.00 0.0
26 10 0.05 0.5
25 6 0.01 0.3
30 6 0.00 0.0
30 21 0.02 0.6
30 20 0.00 0.4
39 23 0.00 0.0
40 27 0.03 0.6
31 16 0.17 2.1
36 21 0.00 0.0
40 25 0.00 0.0
49 35 0.00 0.0
49 20 0.22 2.3
20 -1 0.01 0.6
31 14 0.00 0.0
39 27 0.00 0.0
41 27 0.00 0.0
31 2 0.15 3.2
22 -9 0.00 0.1
26 0 0.01 0.1
28 5 0.00 0.0
32 19 0.00 0.0
Weather Station Details
Years Station Coordinates
1949–2023 Casper-Natrona County International Airport location
1900–1948 Casper 2 E location