Mammoth Cave National Park Average Weather by Day
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What's the hottest day of the year in Mammoth Cave National Park?
On average, July 15 is the hottest day of the year Mammoth Cave National Park, Kentucky. From 1991–2020, the average high temperature on July 15 was 90.0 °F and the average low was 67.3 °F.
What's the coldest day of the year in Mammoth Cave National Park?
On average, January 17 is the coldest day of the year Mammoth Cave National Park, Kentucky. From 1991–2020, the average high temperature on January 17 was 46.6 °F, and the average low was 27.7 °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
47.5
29.4
January 2
47.4
29.2
January 3
47.3
29.2
January 4
47.2
29.1
January 5
47.2
28.9
January 6
47.0
28.8
January 7
46.9
28.5
January 8
46.9
28.4
January 9
47.0
28.6
January 10
46.9
28.5
January 11
46.8
28.4
January 12
46.7
28.2
January 13
46.6
28.0
January 14
46.6
27.9
January 15
46.6
27.8
January 16
46.6
27.8
January 17
46.6
27.7
January 18
46.8
27.7
January 19
47.0
27.7
January 20
47.0
27.7
January 21
47.2
27.8
January 22
47.4
27.9
January 23
47.6
28.1
January 24
47.7
28.1
January 25
47.8
28.2
January 26
47.9
28.1
January 27
47.8
28.0
January 28
47.9
28.0
January 29
47.9
28.1
January 30
47.9
28.2
January 31
48.0
28.4
February 1
48.3
28.5
February 2
48.6
28.7
February 3
48.7
28.8
February 4
49.0
28.9
February 5
49.3
29.1
February 6
49.7
29.5
February 7
50.1
29.7
February 8
50.5
30.1
February 9
50.9
30.4
February 10
51.2
30.6
February 11
51.4
30.8
February 12
51.7
31.0
February 13
51.9
31.1
February 14
52.2
31.2
February 15
52.4
31.4
February 16
52.5
31.6
February 17
52.4
31.6
February 18
52.7
31.7
February 19
52.9
31.8
February 20
53.2
32.0
February 21
53.5
32.2
February 22
53.9
32.4
February 23
54.1
32.6
February 24
54.4
32.9
February 25
54.8
33.1
February 26
55.2
33.3
February 27
55.6
33.5
February 28
55.9
33.9
March 1
56.4
34.1
March 2
56.6
34.4
March 3
57.0
34.7
March 4
57.5
35.2
March 5
57.8
35.5
March 6
58.1
35.8
March 7
58.3
35.9
March 8
58.4
35.8
March 9
58.6
35.9
March 10
59.0
36.2
March 11
59.2
36.5
March 12
59.5
36.7
March 13
59.9
37.0
March 14
60.3
37.4
March 15
60.6
37.7
March 16
61.0
37.9
March 17
61.3
38.2
March 18
61.8
38.6
March 19
62.3
39.0
March 20
62.9
39.5
March 21
63.3
39.9
March 22
63.7
40.1
March 23
64.0
40.3
March 24
64.5
40.7
March 25
64.9
41.1
March 26
65.3
41.4
March 27
65.7
41.7
March 28
66.2
42.1
March 29
66.7
42.3
March 30
67.1
42.6
March 31
67.6
42.9
April 1
68.0
43.2
April 2
68.3
43.4
April 3
68.6
43.7
April 4
69.0
43.9
April 5
69.5
44.3
April 6
69.9
44.8
April 7
70.2
45.2
April 8
70.5
45.3
April 9
70.8
45.5
April 10
71.1
45.8
April 11
71.4
46.1
April 12
71.6
46.2
April 13
71.8
46.4
April 14
72.1
46.6
April 15
72.5
46.8
April 16
72.8
47.2
April 17
73.1
47.5
April 18
73.2
47.7
April 19
73.4
47.9
April 20
73.6
48.3
April 21
73.8
48.6
April 22
74.0
48.8
April 23
74.2
49.0
April 24
74.5
49.3
April 25
74.9
49.7
April 26
75.1
50.0
April 27
75.4
50.3
April 28
75.6
50.6
April 29
75.7
50.8
April 30
75.9
51.0
May 1
76.1
51.2
May 2
76.3
51.5
May 3
76.5
51.8
May 4
76.7
52.0
May 5
77.0
52.3
May 6
77.2
52.6
May 7
77.4
52.8
May 8
77.7
53.1
May 9
78.1
53.4
May 10
78.4
53.7
May 11
78.7
54.1
May 12
79.1
54.5
May 13
79.4
54.9
May 14
79.7
55.3
May 15
79.9
55.6
May 16
80.2
55.9
May 17
80.5
56.2
May 18
80.8
56.5
May 19
81.0
56.7
May 20
81.2
57.0
May 21
81.5
57.2
May 22
81.6
57.4
May 23
81.7
57.5
May 24
81.9
57.7
May 25
82.0
57.9
May 26
82.2
58.1
May 27
82.4
58.3
May 28
82.8
58.7
May 29
83.1
59.1
May 30
83.4
59.5
May 31
83.7
59.7
June 1
83.9
59.9
June 2
84.2
60.1
June 3
84.4
60.4
June 4
84.7
60.7
June 5
85.0
61.1
June 6
85.2
61.4
June 7
85.5
61.7
June 8
85.7
61.9
June 9
85.9
62.1
June 10
86.1
62.4
June 11
86.3
62.6
June 12
86.5
62.7
June 13
86.6
62.8
June 14
86.7
62.9
June 15
86.8
63.1
June 16
87.0
63.3
June 17
87.2
63.5
June 18
87.4
63.7
June 19
87.7
64.0
June 20
87.9
64.2
June 21
88.0
64.5
June 22
88.2
64.7
June 23
88.4
64.9
June 24
88.6
65.1
June 25
88.7
65.2
June 26
88.8
65.3
June 27
88.9
65.5
June 28
89.0
65.6
June 29
89.0
65.7
June 30
89.1
65.9
July 1
89.1
66.0
July 2
89.1
66.0
July 3
89.2
66.1
July 4
89.2
66.2
July 5
89.3
66.2
July 6
89.4
66.4
July 7
89.5
66.5
July 8
89.6
66.7
July 9
89.6
66.8
July 10
89.7
66.9
July 11
89.7
66.9
July 12
89.8
67.0
July 13
90.0
67.2
July 14
90.0
67.3
July 15
90.0
67.3
July 16
90.0
67.3
July 17
89.9
67.3
July 18
89.9
67.2
July 19
89.9
67.1
July 20
90.0
67.0
July 21
90.1
67.1
July 22
90.0
67.1
July 23
89.9
67.0
July 24
89.8
66.9
July 25
89.8
66.9
July 26
89.7
66.9
July 27
89.7
66.8
July 28
89.8
66.7
July 29
89.7
66.7
July 30
89.7
66.6
July 31
89.6
66.5
August 1
89.6
66.4
August 2
89.5
66.3
August 3
89.4
66.3
August 4
89.3
66.2
August 5
89.2
66.1
August 6
89.1
66.0
August 7
89.0
65.8
August 8
89.0
65.7
August 9
88.9
65.6
August 10
88.8
65.5
August 11
88.8
65.3
August 12
88.7
65.3
August 13
88.8
65.3
August 14
88.8
65.3
August 15
88.8
65.3
August 16
88.8
65.3
August 17
88.8
65.3
August 18
88.8
65.3
August 19
88.7
65.2
August 20
88.6
65.2
August 21
88.6
65.1
August 22
88.6
65.0
August 23
88.5
64.8
August 24
88.4
64.6
August 25
88.2
64.5
August 26
88.1
64.3
August 27
88.0
64.2
August 28
87.9
64.0
August 29
87.9
63.9
August 30
87.8
63.7
August 31
87.7
63.5
September 1
87.5
63.2
September 2
87.3
63.0
September 3
87.1
62.8
September 4
86.9
62.5
September 5
86.8
62.3
September 6
86.6
62.1
September 7
86.4
61.9
September 8
86.3
61.6
September 9
85.9
61.3
September 10
85.6
61.0
September 11
85.3
60.7
September 12
85.0
60.4
September 13
84.7
60.0
September 14
84.4
59.7
September 15
84.0
59.2
September 16
83.6
58.6
September 17
83.3
58.2
September 18
82.9
57.8
September 19
82.6
57.4
September 20
82.4
57.1
September 21
82.1
56.8
September 22
81.8
56.4
September 23
81.5
56.0
September 24
81.1
55.5
September 25
80.8
55.2
September 26
80.4
55.0
September 27
80.0
54.6
September 28
79.7
54.3
September 29
79.3
54.0
September 30
78.9
53.6
October 1
78.6
53.2
October 2
78.2
52.8
October 3
77.7
52.3
October 4
77.3
51.9
October 5
76.8
51.4
October 6
76.4
51.0
October 7
76.0
50.6
October 8
75.7
50.3
October 9
75.5
50.0
October 10
75.1
49.6
October 11
74.8
49.2
October 12
74.4
48.9
October 13
74.0
48.7
October 14
73.6
48.5
October 15
73.2
48.2
October 16
72.9
48.0
October 17
72.6
47.7
October 18
72.2
47.5
October 19
71.8
47.1
October 20
71.3
46.8
October 21
70.8
46.5
October 22
70.4
46.2
October 23
70.0
46.0
October 24
69.6
45.6
October 25
69.2
45.2
October 26
68.8
44.9
October 27
68.3
44.5
October 28
67.9
44.1
October 29
67.5
43.8
October 30
66.9
43.4
October 31
66.4
43.1
November 1
66.0
42.8
November 2
65.5
42.6
November 3
65.1
42.4
November 4
64.7
42.1
November 5
64.3
41.8
November 6
63.9
41.6
November 7
63.4
41.3
November 8
63.0
41.1
November 9
62.7
40.9
November 10
62.3
40.5
November 11
62.0
40.2
November 12
61.7
39.8
November 13
61.3
39.6
November 14
60.7
39.3
November 15
60.3
38.9
November 16
59.9
38.7
November 17
59.4
38.4
November 18
59.0
38.1
November 19
58.7
37.9
November 20
58.4
37.7
November 21
57.9
37.4
November 22
57.5
37.1
November 23
57.0
36.9
November 24
56.5
36.6
November 25
56.1
36.3
November 26
55.6
36.0
November 27
55.2
35.8
November 28
55.0
35.5
November 29
54.7
35.4
November 30
54.5
35.3
December 1
54.2
35.1
December 2
54.0
34.9
December 3
53.7
34.7
December 4
53.2
34.4
December 5
52.8
34.1
December 6
52.4
33.7
December 7
52.0
33.4
December 8
51.7
33.2
December 9
51.3
33.1
December 10
50.9
32.8
December 11
50.5
32.5
December 12
50.2
32.1
December 13
50.1
32.0
December 14
49.9
31.8
December 15
49.6
31.6
December 16
49.5
31.5
December 17
49.3
31.5
December 18
49.1
31.3
December 19
48.9
31.1
December 20
48.7
31.0
December 21
48.7
31.0
December 22
48.6
30.8
December 23
48.5
30.5
December 24
48.2
30.3
December 25
48.0
30.1
December 26
48.0
30.1
December 27
47.9
30.0
December 28
47.9
29.9
December 29
47.9
29.9
December 30
47.8
29.8
December 31
47.7
29.6
Weather Station Details
Years
Station
Coordinates
1934–2024
Mammoth Cave
location