Dillon Average Weather by Day
Data and chart of the the average high and low temperature for every day of the year in
Dillon, Montana , based on NOAA data.
Change city
What's the hottest day of the year in Dillon?
On average, July 24 is the hottest day of the year Dillon, Montana. From 1991–2020, the average high temperature on July 24 was 84.6 °F and the average low was 49.9 °F.
What's the coldest day of the year in Dillon?
On average, December 21 is the coldest day of the year Dillon, Montana. From 1991–2020, the average high temperature on December 21 was 31.3 °F, and the average low was 12.1 °F.
Average Temperature by Day
Average temperatures from 1991–2020. Daily averages are a mean of the period from 14 days before to 14 days after, inclusive.
Day
Average (°F)
High
Low
January 1
31.4
12.5
January 2
31.4
12.6
January 3
31.5
12.7
January 4
31.7
13.0
January 5
31.9
13.2
January 6
32.1
13.4
January 7
32.3
13.6
January 8
32.4
13.7
January 9
32.5
13.8
January 10
32.7
13.9
January 11
32.9
14.0
January 12
33.0
14.1
January 13
33.1
14.1
January 14
33.3
14.2
January 15
33.5
14.4
January 16
33.7
14.5
January 17
33.9
14.7
January 18
34.1
14.8
January 19
34.3
15.0
January 20
34.5
15.0
January 21
34.6
15.1
January 22
34.6
15.0
January 23
34.6
15.0
January 24
34.7
15.0
January 25
34.8
15.0
January 26
35.0
15.1
January 27
35.1
15.2
January 28
35.2
15.2
January 29
35.3
15.2
January 30
35.6
15.5
January 31
35.8
15.7
February 1
36.0
15.8
February 2
36.0
15.8
February 3
36.0
15.8
February 4
36.1
15.7
February 5
36.1
15.8
February 6
36.2
15.9
February 7
36.4
15.9
February 8
36.5
16.0
February 9
36.5
15.9
February 10
36.4
15.8
February 11
36.4
15.7
February 12
36.5
15.7
February 13
36.5
15.6
February 14
36.7
15.7
February 15
36.7
15.6
February 16
37.0
15.7
February 17
37.1
15.8
February 18
37.2
16.0
February 19
37.4
16.1
February 20
37.6
16.2
February 21
37.9
16.4
February 22
38.1
16.5
February 23
38.4
16.7
February 24
38.8
16.9
February 25
39.1
17.2
February 26
39.5
17.5
February 27
39.8
17.7
February 28
40.1
17.9
March 1
40.4
18.1
March 2
40.7
18.4
March 3
40.9
18.6
March 4
41.2
18.8
March 5
41.6
19.0
March 6
42.1
19.3
March 7
42.5
19.6
March 8
43.0
19.9
March 9
43.4
20.2
March 10
43.8
20.5
March 11
44.4
20.9
March 12
44.9
21.3
March 13
45.3
21.8
March 14
45.6
22.1
March 15
46.0
22.5
March 16
46.5
22.9
March 17
46.8
23.3
March 18
47.2
23.5
March 19
47.5
23.7
March 20
47.8
23.9
March 21
48.1
24.2
March 22
48.4
24.4
March 23
48.7
24.7
March 24
49.0
24.9
March 25
49.3
25.1
March 26
49.4
25.3
March 27
49.6
25.5
March 28
49.8
25.6
March 29
50.1
25.7
March 30
50.4
25.8
March 31
50.5
25.9
April 1
50.6
25.9
April 2
50.9
26.1
April 3
51.1
26.3
April 4
51.3
26.5
April 5
51.5
26.6
April 6
51.7
26.8
April 7
52.0
27.0
April 8
52.4
27.3
April 9
52.6
27.5
April 10
52.9
27.8
April 11
53.2
28.0
April 12
53.6
28.2
April 13
53.9
28.4
April 14
54.1
28.5
April 15
54.3
28.7
April 16
54.5
28.9
April 17
54.8
29.1
April 18
55.1
29.3
April 19
55.4
29.5
April 20
55.8
29.7
April 21
56.3
30.0
April 22
56.6
30.2
April 23
56.9
30.5
April 24
57.2
30.7
April 25
57.4
31.0
April 26
57.4
31.1
April 27
57.6
31.3
April 28
57.9
31.5
April 29
58.3
31.8
April 30
58.9
32.1
May 1
59.3
32.5
May 2
59.7
32.8
May 3
60.0
33.1
May 4
60.3
33.5
May 5
60.6
33.8
May 6
60.8
34.1
May 7
61.0
34.3
May 8
61.2
34.5
May 9
61.5
34.8
May 10
61.7
35.1
May 11
62.0
35.4
May 12
62.3
35.7
May 13
62.6
36.0
May 14
63.0
36.4
May 15
63.4
36.7
May 16
63.7
37.1
May 17
64.0
37.4
May 18
64.3
37.7
May 19
64.5
38.0
May 20
64.7
38.3
May 21
65.0
38.6
May 22
65.4
38.8
May 23
65.6
39.1
May 24
66.0
39.3
May 25
66.4
39.7
May 26
66.6
40.0
May 27
66.8
40.3
May 28
66.9
40.5
May 29
67.1
40.7
May 30
67.3
40.8
May 31
67.5
40.9
June 1
67.6
41.0
June 2
67.7
41.1
June 3
67.8
41.3
June 4
68.1
41.4
June 5
68.3
41.6
June 6
68.6
41.7
June 7
69.0
41.9
June 8
69.4
42.1
June 9
69.7
42.3
June 10
70.1
42.5
June 11
70.5
42.7
June 12
70.8
42.8
June 13
71.2
43.0
June 14
71.7
43.3
June 15
72.0
43.5
June 16
72.3
43.7
June 17
72.8
43.9
June 18
73.2
44.0
June 19
73.5
44.2
June 20
73.8
44.4
June 21
74.3
44.6
June 22
74.8
44.8
June 23
75.3
45.1
June 24
75.8
45.3
June 25
76.3
45.5
June 26
76.8
45.7
June 27
77.2
46.0
June 28
77.7
46.2
June 29
78.3
46.5
June 30
78.8
46.8
July 1
79.3
47.1
July 2
79.9
47.3
July 3
80.3
47.6
July 4
80.8
47.8
July 5
81.3
48.1
July 6
81.6
48.3
July 7
82.0
48.5
July 8
82.3
48.6
July 9
82.6
48.8
July 10
82.9
49.0
July 11
83.1
49.2
July 12
83.4
49.3
July 13
83.5
49.4
July 14
83.7
49.4
July 15
83.9
49.5
July 16
84.0
49.5
July 17
84.1
49.7
July 18
84.3
49.7
July 19
84.4
49.8
July 20
84.5
49.8
July 21
84.5
49.8
July 22
84.5
49.8
July 23
84.6
49.9
July 24
84.6
49.9
July 25
84.6
49.9
July 26
84.6
49.9
July 27
84.5
49.8
July 28
84.4
49.8
July 29
84.4
49.7
July 30
84.3
49.6
July 31
84.3
49.5
August 1
84.2
49.4
August 2
84.1
49.3
August 3
83.9
49.2
August 4
83.8
49.0
August 5
83.7
48.9
August 6
83.6
48.8
August 7
83.5
48.7
August 8
83.3
48.6
August 9
83.2
48.5
August 10
83.1
48.4
August 11
83.0
48.3
August 12
82.9
48.2
August 13
82.8
48.1
August 14
82.6
48.0
August 15
82.5
47.9
August 16
82.3
47.8
August 17
82.0
47.7
August 18
81.9
47.5
August 19
81.7
47.4
August 20
81.5
47.2
August 21
81.3
47.0
August 22
81.0
46.9
August 23
80.8
46.7
August 24
80.5
46.6
August 25
80.2
46.3
August 26
79.8
46.1
August 27
79.5
45.8
August 28
79.2
45.6
August 29
78.8
45.3
August 30
78.4
45.1
August 31
78.1
44.9
September 1
77.8
44.8
September 2
77.5
44.6
September 3
77.0
44.4
September 4
76.5
44.2
September 5
76.0
43.9
September 6
75.5
43.5
September 7
75.0
43.2
September 8
74.5
42.9
September 9
74.0
42.6
September 10
73.6
42.3
September 11
73.2
42.0
September 12
72.8
41.8
September 13
72.4
41.5
September 14
72.0
41.2
September 15
71.7
40.9
September 16
71.3
40.6
September 17
70.8
40.4
September 18
70.3
40.1
September 19
69.7
39.7
September 20
69.0
39.3
September 21
68.4
38.8
September 22
68.0
38.5
September 23
67.6
38.3
September 24
67.2
38.0
September 25
66.7
37.7
September 26
66.2
37.3
September 27
65.5
36.9
September 28
64.9
36.5
September 29
64.5
36.2
September 30
64.0
35.8
October 1
63.5
35.5
October 2
63.2
35.2
October 3
62.9
34.9
October 4
62.6
34.5
October 5
62.3
34.4
October 6
62.1
34.2
October 7
61.8
33.9
October 8
61.4
33.6
October 9
60.9
33.3
October 10
60.3
32.8
October 11
59.6
32.4
October 12
59.0
31.9
October 13
58.4
31.5
October 14
57.9
31.2
October 15
57.3
30.8
October 16
56.7
30.4
October 17
56.2
30.0
October 18
55.8
29.7
October 19
55.5
29.3
October 20
55.1
29.1
October 21
54.6
28.9
October 22
54.2
28.5
October 23
53.7
28.2
October 24
53.4
28.0
October 25
53.0
27.8
October 26
52.8
27.6
October 27
52.3
27.3
October 28
51.6
26.9
October 29
51.0
26.4
October 30
50.5
26.1
October 31
49.9
25.7
November 1
49.3
25.3
November 2
48.8
25.0
November 3
48.2
24.6
November 4
47.7
24.3
November 5
47.3
24.0
November 6
46.7
23.7
November 7
46.2
23.3
November 8
45.7
23.0
November 9
45.2
22.7
November 10
44.8
22.5
November 11
44.3
22.1
November 12
43.8
21.8
November 13
43.4
21.5
November 14
43.0
21.2
November 15
42.6
20.8
November 16
42.1
20.5
November 17
41.7
20.2
November 18
41.3
19.9
November 19
40.8
19.5
November 20
40.2
19.0
November 21
39.6
18.5
November 22
39.0
18.1
November 23
38.5
17.7
November 24
38.0
17.3
November 25
37.7
16.9
November 26
37.5
16.8
November 27
37.1
16.6
November 28
36.8
16.4
November 29
36.6
16.2
November 30
36.3
16.0
December 1
35.9
15.7
December 2
35.5
15.4
December 3
35.1
15.1
December 4
34.7
14.7
December 5
34.4
14.4
December 6
34.1
14.1
December 7
33.9
13.9
December 8
33.6
13.6
December 9
33.2
13.3
December 10
32.9
13.1
December 11
32.6
12.9
December 12
32.3
12.7
December 13
32.2
12.7
December 14
32.1
12.7
December 15
32.0
12.7
December 16
31.8
12.5
December 17
31.6
12.4
December 18
31.4
12.2
December 19
31.4
12.2
December 20
31.3
12.2
December 21
31.3
12.1
December 22
31.3
12.2
December 23
31.3
12.2
December 24
31.4
12.5
December 25
31.4
12.5
December 26
31.5
12.6
December 27
31.4
12.5
December 28
31.3
12.4
December 29
31.2
12.4
December 30
31.3
12.4
December 31
31.4
12.5
Weather Station Details
Years
Station
Coordinates
1941–2024
Dillon Airport
location
1895–1940
University of Montana Western
location