Dillon Weather in 1978

Historical record of Dillon, Montana weather for the year 1978 based on NOAA data.
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1978 Dillon Weather Extremes
Highest temperature 95 °F July 24
Lowest temperature -30 °F December 30
Highest daily low 61 °F July 24
Lowest daily high -10 °F December 29
Most daily precipitation 1.0 inches June 25
Most daily snow 4.0 inches May 16
Total annual precipitation 8.3 inches -
Total annual snow 18.5 inches -
Highest Temperatures in Dillon in 1978
Rank Temperature Date
1 95 °F Jul 24
2 92 °F Aug 4
3 91 °F Aug 9
3 91 °F Jul 27
5 90 °F Sep 3
5 90 °F Sep 2
5 90 °F Aug 11
5 90 °F Aug 7
5 90 °F Aug 6
5 90 °F Aug 5
5 90 °F Jul 26
5 90 °F Jul 25
5 90 °F Jul 23
5 90 °F Jul 14
Lowest Temperatures in Dillon in 1978
Rank Temperature Date
1 -30 °F December 30
1 -30 °F December 29
3 -25 °F December 31
4 -24 °F December 28
5 -20 °F January 1
6 -15 °F January 2
7 -13 °F December 8
8 -12 °F February 13
9 -11 °F December 7
10 -10 °F February 1
January 1978 Dillon Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
January 1
8 -20 0.00 0.0
January 2
17 -15 0.00 0.0
January 3
39 12 0.00 0.0
January 4
42 18 0.00 0.0
January 5
42 21 0.00 0.0
January 6
41 24 0.00 0.0
January 7
38 22 0.00 0.0
January 8
40 28 0.00 0.0
January 9
42 16 0.02 0.0
January 10
25 17 0.02 2.0
January 11
34 11 0.00 0.0
January 12
39 20 0.00 0.0
January 13
35 21 0.00 0.0
January 14
40 28 0.00 0.0
January 15
29 10 0.03 2.0
January 16
28 0 0.00 0.0
January 17
39 15 0.00 0.0
January 18
18 5 0.02 3.0
January 19
25 8 0.00 0.0
January 20
40 15 0.01 0.5
January 21
35 13 0.00 0.0
January 22
34 13 0.00 0.0
January 23
28 4 0.00 0.0
January 24
28 3 0.00 0.0
January 25
38 12 0.00 0.0
January 26
40 25 0.00 0.0
January 27
33 16 0.00 0.0
January 28
32 13 0.00 0.0
January 29
38 18 0.00 0.0
January 30
29 5 0.00 0.0
January 31
23 -7 0.05 0.0
February 1978 Dillon Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
February 1
33 -10 0.00 0.0
February 2
39 12 0.00 0.0
February 3
41 25 0.00 0.0
February 4
39 18 0.00 0.0
February 5
48 23 0.00 0.0
February 6
43 25 0.00 0.0
February 7
44 25 0.00 0.0
February 8
41 21 0.05 0.0
February 9
31 18 0.05 0.0
February 10
31 21 0.00 0.0
February 11
23 9 0.02 2.0
February 12
14 -4 0.00 0.0
February 13
19 -12 0.00 0.0
February 14
22 -7 0.00 0.0
February 15
27 12 0.00 0.0
February 16
28 -1 0.00 0.0
February 17
29 3 0.00 0.0
February 18
35 7 0.00 0.0
February 19
42 18 0.00 0.0
February 20
47 24 0.00 0.0
February 21
43 18 0.00 0.0
February 22
45 24 0.00 0.0
February 23
41 33 0.00 0.0
February 24
36 26 0.05 0.5
February 25
31 20 0.10 0.5
February 26
40 16 0.00 0.0
February 27
31 20 0.02 0.2
February 28
43 18 0.00 0.0
March 1978 Dillon Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
March 1
19 6 0.00 0.0
March 2
11 -3 0.00 0.0
March 3
15 -5 0.00 0.0
March 4
40 8 0.00 0.0
March 5
47 21 0.00 0.0
March 6
48 28 0.00 0.0
March 7
47 23 0.00 0.0
March 8
52 30 0.00 0.0
March 9
53 33 0.00 0.0
March 10
45 23 0.00 0.0
March 11
46 24 0.00 0.0
March 12
44 20 0.00 0.0
March 13
41 19 0.00 0.0
March 14
35 22 0.00 0.0
March 15
40 18 0.00 0.0
March 16
51 24 0.00 0.0
March 17
63 30 0.00 0.0
March 18
62 34 0.00 0.0
March 19
62 32 0.00 0.0
March 20
58 33 0.00 0.0
March 21
65 33 0.00 0.0
March 22
50 28 0.00 0.0
March 23
55 26 0.00 0.0
March 24
51 29 0.00 0.0
March 25
60 24 0.00 0.0
March 26
65 30 0.00 0.0
March 27
66 34 0.00 0.0
March 28
67 36 0.00 0.0
March 29
71 37 0.00 0.0
March 30
66 41 0.00 0.0
March 31
65 41 0.00 0.0
April 1978 Dillon Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
April 1
59 33 0.00 0.0
April 2
48 29 0.00 0.0
April 3
50 22 0.00 0.0
April 4
53 31 0.00 0.0
April 5
51 31 0.00 0.0
April 6
50 28 0.00 0.0
April 7
39 30 0.22 0.0
April 8
56 34 0.00 0.0
April 9
56 28 0.00 0.0
April 10
67 28 0.00 0.0
April 11
52 30 0.00 0.0
April 12
51 21 0.00 0.0
April 13
56 18 0.00 0.0
April 14
59 24 0.00 0.0
April 15
50 24 0.05 0.0
April 16
55 32 0.00 0.0
April 17
48 29 0.00 0.0
April 18
55 23 0.00 0.0
April 19
62 24 0.00 0.0
April 20
54 31 0.02 0.0
April 21
42 30 0.02 0.0
April 22
50 25 0.00 0.0
April 23
49 28 0.00 0.0
April 24
62 24 0.00 0.0
April 25
66 32 0.00 0.0
April 26
56 38 0.10 0.0
April 27
62 33 0.10 0.0
April 28
61 39 0.00 0.0
April 29
56 41 0.00 0.0
April 30
50 37 0.19 0.0
May 1978 Dillon Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
May 1
56 41 0.03 0.0
May 2
58 39 0.00 0.0
May 3
58 23 0.00 0.0
May 4
45 24 0.00 0.0
May 5
39 30 0.00 0.0
May 6
47 34 0.00 0.0
May 7
52 30 0.04 0.0
May 8
59 26 0.00 0.0
May 9
65 35 0.00 0.0
May 10
62 39 0.02 0.0
May 11
54 37 0.00 0.0
May 12
62 31 0.00 0.0
May 13
72 45 0.00 0.0
May 14
81 50 0.00 0.0
May 15
77 32 0.10 1.0
May 16
48 31 0.50 4.0
May 17
47 37 0.13 0.0
May 18
42 38 0.19 0.0
May 19
58 38 0.00 0.0
May 20
65 34 0.00 0.0
May 21
74 42 0.00 0.0
May 22
66 42 0.02 0.0
May 23
72 39 0.00 0.0
May 24
50 33 0.00 0.0
May 25
49 31 0.00 0.0
May 26
62 26 0.00 0.0
May 27
67 34 0.00 0.0
May 28
71 39 0.00 0.0
May 29
60 34 0.00 0.0
May 30
53 28 0.02 0.0
May 31
52 34 0.00 0.0
June 1978 Dillon Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
June 1
60 33 0.00 0.0
June 2
65 32 0.00 0.0
June 3
70 44 0.00 0.0
June 4
72 40 0.00 0.0
June 5
81 40 0.00 0.0
June 6
80 50 0.00 0.0
June 7
77 43 0.00 0.0
June 8
83 40 0.00 0.0
June 9
82 45 0.00 0.0
June 10
51 41 0.04 0.0
June 11
63 35 0.00 0.0
June 12
80 37 0.00 0.0
June 13
80 49 0.03 0.0
June 14
78 40 0.03 0.0
June 15
70 44 0.00 0.0
June 16
64 35 0.00 0.0
June 17
72 35 0.00 0.0
June 18
76 44 0.30 0.0
June 19
65 45 0.00 0.0
June 20
77 32 0.00 0.0
June 21
80 45 0.16 0.0
June 22
78 40 0.00 0.0
June 23
85 42 0.00 0.0
June 24
78 40 0.00 0.0
June 25
61 39 0.99 0.0
June 26
68 38 0.01 0.0
June 27
76 42 0.00 0.0
June 28
86 49 0.00 0.0
June 29
85 49 0.00 0.0
June 30
79 49 0.00 0.0
July 1978 Dillon Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
July 1
75 46 0.00 0.0
July 2
73 48 0.00 0.0
July 3
69 45 0.03 0.0
July 4
70 43 0.14 0.0
July 5
65 47 0.00 0.0
July 6
71 49 0.00 0.0
July 7
78 43 0.00 0.0
July 8
74 50 0.28 0.0
July 9
76 53 0.00 0.0
July 10
84 49 0.02 0.0
July 11
82 46 0.03 0.0
July 12
81 45 0.00 0.0
July 13
87 45 0.00 0.0
July 14
90 45 0.00 0.0
July 15
83 60 0.00 0.0
July 16
80 53 0.30 0.0
July 17
75 50 0.00 0.0
July 18
80 48 0.12 0.0
July 19
66 46 0.00 0.0
July 20
62 46 0.05 0.0
July 21
72 41 0.00 0.0
July 22
84 43 0.00 0.0
July 23
90 52 0.00 0.0
July 24
95 61 0.00 0.0
July 25
90 53 0.00 0.0
July 26
90 47 0.00 0.0
July 27
91 60 0.00 0.0
July 28
84 59 0.12 0.0
July 29
83 52 0.00 0.0
July 30
88 50 0.00 0.0
July 31
85 54 0.00 0.0
August 1978 Dillon Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
August 1
84 50 0.00 0.0
August 2
74 47 0.00 0.0
August 3
79 47 0.00 0.0
August 4
92 47 0.00 0.0
August 5
90 45 0.00 0.0
August 6
90 55 0.00 0.0
August 7
90 48 0.00 0.0
August 8
86 47 0.00 0.0
August 9
91 50 0.00 0.0
August 10
87 55 0.04 0.0
August 11
90 50 0.00 0.0
August 12
84 51 0.00 0.0
August 13
58 47 0.56 0.0
August 14
63 43 0.07 0.0
August 15
74 45 0.00 0.0
August 16
62 41 0.03 0.0
August 17
57 35 0.00 0.0
August 18
69 35 0.00 0.0
August 19
73 42 0.00 0.0
August 20
84 46 0.00 0.0
August 21
80 40 0.00 0.0
August 22
83 45 0.00 0.0
August 23
74 36 0.00 0.0
August 24
85 39 0.00 0.0
August 25
87 45 0.00 0.0
August 26
76 45 0.00 0.0
August 27
70 46 0.01 0.0
August 28
76 36 0.00 0.0
August 29
78 40 0.00 0.0
August 30
80 45 0.00 0.0
August 31
81 51 0.00 0.0
September 1978 Dillon Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
September 1
83 49 0.00 0.0
September 2
90 47 0.00 0.0
September 3
90 54 0.00 0.0
September 4
89 50 0.00 0.0
September 5
75 54 0.31 0.0
September 6
73 53 0.28 0.0
September 7
80 51 0.01 0.0
September 8
68 41 0.02 0.0
September 9
76 39 0.00 0.0
September 10
62 43 0.38 0.0
September 11
52 40 0.69 0.0
September 12
43 37 0.33 0.0
September 13
60 36 0.00 0.0
September 14
65 37 0.00 0.0
September 15
74 42 0.00 0.0
September 16
61 36 0.00 0.0
September 17
53 31 0.00 0.0
September 18
43 32 0.32 0.0
September 19
47 29 0.01 0.0
September 20
55 28 0.00 0.0
September 21
63 33 0.00 0.0
September 22
69 37 0.00 0.0
September 23
75 46 0.00 0.0
September 24
79 38 0.00 0.0
September 25
79 41 0.00 0.0
September 26
82 46 0.00 0.0
September 27
82 49 0.00 0.0
September 28
65 45 0.00 0.0
September 29
67 36 0.00 0.0
September 30
76 38 0.00 0.0
October 1978 Dillon Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
October 1
62 37 0.00 0.0
October 2
59 26 0.00 0.0
October 3
71 28 0.00 0.0
October 4
65 34 0.00 0.0
October 5
61 27 0.00 0.0
October 6
69 29 0.00 0.0
October 7
78 32 0.00 0.0
October 8
71 40 0.00 0.0
October 9
76 35 0.00 0.0
October 10
72 40 0.00 0.0
October 11
66 50 0.00 0.0
October 12
55 30 0.00 0.0
October 13
61 22 0.00 0.0
October 14
71 29 0.00 0.0
October 15
69 31 0.00 0.0
October 16
66 38 0.00 0.0
October 17
63 37 0.06 0.0
October 18
60 35 0.00 0.0
October 19
70 33 0.00 0.0
October 20
66 40 0.00 0.0
October 21
60 32 0.00 0.0
October 22
53 21 0.00 0.0
October 23
68 32 0.00 0.0
October 24
63 30 0.00 0.0
October 25
52 20 0.00 0.0
October 26
66 32 0.00 0.0
October 27
64 27 0.00 0.0
October 28
63 30 0.00 0.0
October 29
44 24 0.00 0.0
October 30
45 14 0.00 0.0
October 31
52 12 0.00 0.0
November 1978 Dillon Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
November 1
64 24 0.00 0.0
November 2
65 28 0.00 0.0
November 3
65 31 0.00 0.0
November 4
56 30 0.00 0.0
November 5
46 21 0.00 0.0
November 6
53 22 0.00 0.0
November 7
61 31 0.00 0.0
November 8
57 36 0.02 0.0
November 9
39 8 0.03 0.0
November 10
11 2 0.00 0.0
November 11
15 2 0.00 0.0
November 12
13 8 0.08 2.0
November 13
18 -5 0.04 0.0
November 14
19 -9 0.00 0.0
November 15
27 0 0.00 0.0
November 16
34 12 0.00 0.0
November 17
41 18 0.00 0.0
November 18
18 0 0.00 0.0
November 19
1 -4 0.01 0.5
November 20
9 -4 0.00 0.0
November 21
24 2 0.00 0.0
November 22
35 6 0.00 0.0
November 23
38 21 0.00 0.0
November 24
35 11 0.00 0.0
November 25
30 4 0.00 0.0
November 26
27 11 0.00 0.0
November 27
34 11 0.00 0.0
November 28
40 25 0.00 0.0
November 29
34 19 0.00 0.0
November 30
38 28 0.00 0.0
December 1978 Dillon Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
December 1
30 8 0.07 n/a
December 2
15 -2 0.00 0.0
December 3
35 -6 0.00 0.0
December 4
42 24 0.00 0.0
December 5
26 3 0.00 0.0
December 6
15 -7 0.00 0.0
December 7
7 -11 0.00 0.0
December 8
10 -13 0.00 0.0
December 9
27 6 0.00 0.0
December 10
30 13 0.00 0.0
December 11
40 12 0.02 0.1
December 12
30 4 0.00 0.0
December 13
19 1 0.00 0.0
December 14
33 12 0.00 0.0
December 15
27 11 0.00 0.0
December 16
25 3 0.00 0.0
December 17
36 8 0.00 0.0
December 18
30 11 0.00 0.0
December 19
23 11 0.04 0.1
December 20
29 12 0.00 0.0
December 21
37 13 0.00 0.0
December 22
39 23 0.00 0.0
December 23
34 14 0.00 0.0
December 24
42 20 0.00 0.0
December 25
28 8 0.00 0.0
December 26
27 1 0.00 0.0
December 27
33 3 0.02 0.0
December 28
4 -24 0.02 0.1
December 29
-10 -30 0.00 0.0
December 30
-3 -30 0.00 0.0
December 31
-5 -25 0.00 0.0
Weather Station Details
Years Station Coordinates
1941–2024 Dillon Airport location
1895–1940 University of Montana Western location