Mammoth Cave National Park Weather in 2021

Historical record of Mammoth Cave National Park, Kentucky weather for the year 2021 based on NOAA data.

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2021 Mammoth Cave National Park Weather Extremes
Highest temperature	98 °F	August 13
Lowest temperature	6 °F	February 16
Highest daily low	77 °F	July 30
Lowest daily high	24 °F	February 16
Most daily precipitation	3.2 inches	March 1
Total annual precipitation	68.2 inches	-

What was the hottest temperature in Mammoth Cave National Park in 2021?

The highest temperature recorded in Mammoth Cave National Park, Kentucky in 2021 was 98 °F which happened on August 13.

Highest Temperatures: All-Time By Year

Highest Temperatures in Mammoth Cave National Park in 2021

Rank	Temperature	Date
1	98 °F	Aug 13
2	97 °F	Aug 12
3	96 °F	Aug 27
3	96 °F	Aug 26
3	96 °F	Aug 25
3	96 °F	Aug 11
3	96 °F	Jun 30
8	95 °F	Aug 29
8	95 °F	Aug 24
8	95 °F	Jul 16

What was the coldest temperature in Mammoth Cave National Park in 2021?

The lowest temperature recorded in Mammoth Cave National Park, Kentucky in 2021 was 6 °F which happened on Feb 16.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Mammoth Cave National Park in 2021

Rank	Temperature	Date
1	6 °F	February 16
2	8 °F	February 20
3	9 °F	February 19
4	10 °F	February 17
5	19 °F	February 15
5	19 °F	February 8
5	19 °F	January 29
5	19 °F	January 12
9	21 °F	November 23
9	21 °F	January 23

January 2021 Mammoth Cave National Park Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	72	36	0.79
January 2	72	40	0.00
January 3	44	37	0.05
January 4	56	26	0.00
January 5	56	35	0.00
January 6	46	25	0.00
January 7	45	28	0.00
January 8	41	33	0.00
January 9	35	30	0.00
January 10	33	28	0.00
January 11	34	24	0.00
January 12	38	19	0.00
January 13	48	24	0.00
January 14	54	31	0.00
January 15	56	33	0.08
January 16	47	31	0.09
January 17	40	35	0.00
January 18	45	31	0.00
January 19	54	37	0.00
January 20	55	29	0.00
January 21	45	35	0.25
January 22	47	32	0.00
January 23	45	21	0.00
January 24	44	30	0.05
January 25	47	42	2.54
January 26	58	44	0.88
January 27	55	29	0.00
January 28	39	23	0.08
January 29	41	19	0.00
January 30	45	29	0.00
January 31	50	38	0.65

February 2021 Mammoth Cave National Park Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	41	30	0.15
February 2	37	24	0.00
February 3	42	25	0.00
February 4	44	26	0.00
February 5	49	28	0.34
February 6	47	29	0.00
February 7	47	24	0.01
February 8	41	19	0.00
February 9	48	31	0.00
February 10	48	33	0.11
February 11	n/a	n/a	0.64
February 12	29	24	0.00
February 13	28	25	0.00
February 14	28	22	0.00
February 15	26	19	0.40
February 16	24	6	0.45
February 17	31	10	0.00
February 18	31	23	0.23
February 19	34	9	0.00
February 20	40	8	0.00
February 21	53	23	0.00
February 22	54	39	0.13
February 23	63	36	0.00
February 24	69	46	0.00
February 25	67	33	0.00
February 26	54	38	0.17
February 27	54	42	0.10
February 28	66	53	2.94

March 2021 Mammoth Cave National Park Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	67	39	3.22
March 2	52	27	0.00
March 3	61	26	0.00
March 4	64	36	0.00
March 5	65	28	0.00
March 6	52	29	0.00
March 7	57	27	0.00
March 8	66	33	0.00
March 9	69	39	0.00
March 10	71	49	0.00
March 11	71	58	0.00
March 12	73	55	0.32
March 13	57	48	0.10
March 14	59	43	0.00
March 15	54	44	0.32
March 16	75	50	0.00
March 17	75	50	0.13
March 18	64	55	0.65
March 19	55	39	0.06
March 20	65	33	0.00
March 21	68	42	0.00
March 22	70	45	0.00
March 23	71	53	0.00
March 24	75	55	0.00
March 25	76	54	0.66
March 26	73	53	0.92
March 27	71	47	0.00
March 28	67	52	1.24
March 29	61	30	0.00
March 30	74	45	0.00
March 31	76	45	1.20

April 2021 Mammoth Cave National Park Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	51	29	0.00
April 2	51	25	0.00
April 3	62	30	0.00
April 4	71	43	0.00
April 5	76	46	0.00
April 6	79	53	0.00
April 7	81	58	0.00
April 8	83	58	0.22
April 9	82	51	0.00
April 10	82	59	0.41
April 11	70	50	0.00
April 12	73	41	0.00
April 13	75	52	0.00
April 14	74	52	0.00
April 15	60	42	0.00
April 16	64	35	0.00
April 17	65	44	0.05
April 18	66	37	0.00
April 19	69	43	0.32
April 20	72	40	0.00
April 21	73	32	0.11
April 22	59	34	0.00
April 23	60	38	0.00
April 24	68	49	0.93
April 25	67	49	0.30
April 26	77	43	0.00
April 27	83	58	0.00
April 28	84	66	0.00
April 29	75	64	0.44
April 30	74	48	0.11

May 2021 Mammoth Cave National Park Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	76	42	0.00
May 2	78	54	0.00
May 3	78	61	0.91
May 4	81	60	3.07
May 5	82	52	2.75
May 6	69	40	0.00
May 7	72	41	0.15
May 8	70	47	0.00
May 9	68	51	0.31
May 10	66	46	0.00
May 11	69	43	0.00
May 12	70	49	0.00
May 13	69	40	0.00
May 14	74	39	0.00
May 15	76	41	0.00
May 16	75	55	0.04
May 17	81	56	0.00
May 18	83	64	0.00
May 19	82	66	0.00
May 20	87	64	0.00
May 21	87	61	0.00
May 22	89	57	0.00
May 23	90	59	0.00
May 24	90	59	0.00
May 25	93	61	0.00
May 26	92	69	0.15
May 27	86	63	0.13
May 28	88	65	0.05
May 29	79	51	0.02
May 30	70	47	0.00
May 31	78	46	0.00

June 2021 Mammoth Cave National Park Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	81	55	0.00
June 2	79	62	2.09
June 3	78	64	0.11
June 4	86	56	0.00
June 5	90	58	0.00
June 6	91	67	0.12
June 7	83	69	0.16
June 8	87	69	0.00
June 9	87	69	0.01
June 10	88	70	0.22
June 11	89	71	0.00
June 12	93	66	0.23
June 13	92	68	0.00
June 14	94	66	0.74
June 15	93	58	0.00
June 16	83	57	0.00
June 17	90	58	0.00
June 18	92	67	0.00
June 19	93	68	0.00
June 20	91	66	0.00
June 21	92	74	0.00
June 22	78	58	1.46
June 23	80	53	0.00
June 24	90	60	0.00
June 25	91	72	0.00
June 26	88	69	0.00
June 27	92	68	0.00
June 28	94	71	0.00
June 29	94	69	0.00
June 30	96	69	0.00

July 2021 Mammoth Cave National Park Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	94	72	0.30
July 2	77	65	0.33
July 3	81	55	0.00
July 4	86	58	0.00
July 5	91	65	0.00
July 6	93	69	0.06
July 7	94	69	0.00
July 8	90	70	0.17
July 9	92	71	0.04
July 10	91	69	0.00
July 11	90	68	1.81
July 12	87	70	0.33
July 13	88	68	1.83
July 14	89	67	0.64
July 15	93	67	0.00
July 16	95	71	0.12
July 17	92	72	0.02
July 18	89	69	0.02
July 19	86	67	0.00
July 20	88	66	0.00
July 21	88	66	0.00
July 22	n/a	n/a	0.00
July 23	87	62	0.00
July 24	90	62	0.00
July 25	93	71	0.00
July 26	91	69	0.00
July 27	94	71	0.13
July 28	93	67	0.00
July 29	93	68	0.00
July 30	94	77	0.00
July 31	90	64	0.00

August 2021 Mammoth Cave National Park Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	86	68	0.00
August 2	83	62	0.00
August 3	84	58	0.00
August 4	85	59	0.00
August 5	88	58	0.00
August 6	88	62	0.00
August 7	89	68	0.00
August 8	91	66	0.00
August 9	93	69	0.62
August 10	92	71	1.24
August 11	96	74	0.05
August 12	97	71	0.00
August 13	98	71	0.00
August 14	94	71	0.33
August 15	87	69	0.18
August 16	83	71	0.15
August 17	87	69	0.33
August 18	90	67	0.21
August 19	84	71	1.49
August 20	89	69	0.10
August 21	90	68	0.00
August 22	91	71	1.38
August 23	94	69	0.00
August 24	95	69	0.00
August 25	96	69	0.00
August 26	96	70	0.00
August 27	96	72	0.08
August 28	94	71	0.06
August 29	95	70	0.05
August 30	92	71	0.00
August 31	89	68	3.15

September 2021 Mammoth Cave National Park Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	83	68	0.22
September 2	83	60	0.00
September 3	85	56	0.00
September 4	86	59	0.00
September 5	88	68	0.07
September 6	83	56	0.00
September 7	87	55	0.00
September 8	87	61	0.31
September 9	80	54	0.00
September 10	81	53	0.00
September 11	84	56	0.00
September 12	87	63	0.00
September 13	89	65	0.00
September 14	90	67	0.00
September 15	90	70	0.73
September 16	83	65	0.00
September 17	86	67	0.00
September 18	82	68	0.39
September 19	79	68	0.02
September 20	75	70	1.01
September 21	81	66	0.01
September 22	83	59	1.80
September 23	70	47	0.00
September 24	77	47	0.00
September 25	77	52	0.08
September 26	79	48	0.00
September 27	84	56	0.00
September 28	87	59	0.00
September 29	88	60	0.00
September 30	89	62	0.00

October 2021 Mammoth Cave National Park Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	87	61	0.00
October 2	85	64	0.00
October 3	79	67	0.73
October 4	80	62	0.37
October 5	81	60	0.00
October 6	80	65	0.53
October 7	78	61	0.08
October 8	84	59	0.00
October 9	86	61	0.00
October 10	87	64	0.00
October 11	87	65	0.00
October 12	83	66	0.06
October 13	82	57	0.00
October 14	87	65	0.00
October 15	87	66	0.60
October 16	81	49	0.25
October 17	68	40	0.00
October 18	73	42	0.00
October 19	76	43	0.00
October 20	77	47	0.00
October 21	77	60	0.00
October 22	78	47	0.00
October 23	66	44	0.00
October 24	79	54	0.00
October 25	80	55	0.00
October 26	60	49	0.00
October 27	65	37	0.00
October 28	65	50	0.19
October 29	62	52	0.42
October 30	56	52	0.61
October 31	62	50	0.03

November 2021 Mammoth Cave National Park Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	62	38	0.00
November 2	61	40	0.10
November 3	54	30	0.00
November 4	54	29	0.00
November 5	58	29	0.00
November 6	65	29	0.00
November 7	66	32	0.00
November 8	74	37	0.00
November 9	75	43	0.00
November 10	72	44	0.00
November 11	73	53	0.33
November 12	60	39	0.23
November 13	61	30	0.04
November 14	52	29	0.00
November 15	54	26	0.00
November 16	66	39	0.00
November 17	68	58	0.00
November 18	69	41	0.57
November 19	51	27	0.00
November 20	59	29	0.00
November 21	60	44	0.75
November 22	50	31	0.35
November 23	46	21	0.00
November 24	55	31	0.00
November 25	58	43	0.29
November 26	48	25	0.01
November 27	54	26	0.00
November 28	56	35	0.00
November 29	54	24	0.00
November 30	61	38	0.00

December 2021 Mammoth Cave National Park Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	63	38	0.00
December 2	69	50	0.01
December 3	74	42	0.00
December 4	74	54	0.00
December 5	70	43	0.00
December 6	71	43	2.15
December 7	44	24	0.00
December 8	50	29	0.00
December 9	62	28	0.00
December 10	61	56	0.24
December 11	70	43	2.35
December 12	50	25	0.00
December 13	58	28	0.00
December 14	64	35	0.00
December 15	66	53	0.00
December 16	68	56	0.00
December 17	63	44	0.42
December 18	65	47	0.45
December 19	54	33	0.00
December 20	48	24	0.00
December 21	49	29	0.00
December 22	49	30	0.00
December 23	59	24	0.00
December 24	59	48	0.00
December 25	72	58	0.00
December 26	72	48	0.00
December 27	68	53	0.00
December 28	69	47	0.22
December 29	70	49	0.31
December 30	67	51	0.10
December 31	64	47	0.00

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Weather Station Details

Years	Station	Coordinates
1934–2024	Mammoth Cave	location