Climate Mammoth Cave - Kentucky

	JanJa	FebFe	MarMa	AprAp	MayMa	JunJu
Average high in ºF Av. high Hi	46	51	61	71	79	86
Average low in ºF Av. low Lo	28	32	39	47	55	64
Av. precipitation in inch Av. precip. Pre.	3.45	3.93	4.62	4.40	5.42	4.39
Av. snowfall in inch Snowfall Sn	2	2	0	0	0	0

	JulJu	AugAu	SepSe	OctOc	NovNo	DecDe
Average high in ºF Av. high Hi	89	88	83	72	60	48
Average low in ºF Av. low Lo	68	67	59	49	40	31
Av. precipitation in inch Av. precip. Pre.	4.57	4.09	4.01	3.81	4.33	5.16
Av. snowfall in inch Snowfall Sn	0	0	0	0	0	2

Mammoth Cave Climate Graph - Kentucky Climate Chart

Day	High ºF	Low ºF	Prec/mo inch	Prec/yr inch	Snow/mo inch	Snow/yr inch
1 Jan	45.2	28.4	0.12	0.12	0.12	0.30
2 Jan	45.2	28.3	0.24	0.24	0.12	0.30
3 Jan	45.1	28.3	0.35	0.35	0.20	0.50
4 Jan	45.1	28.2	0.47	0.47	0.20	0.50
5 Jan	45.0	28.2	0.59	0.59	0.31	0.80
6 Jan	45.0	28.1	0.71	0.71	0.39	1.00
7 Jan	45.0	28.1	0.83	0.83	0.39	1.00
8 Jan	45.0	28.1	0.94	0.94	0.51	1.30
9 Jan	45.0	28.0	1.02	1.02	0.51	1.30
10 Jan	45.0	28.0	1.14	1.14	0.59	1.50
11 Jan	45.0	28.0	1.26	1.26	0.59	1.50
12 Jan	45.0	28.0	1.38	1.38	0.71	1.80

Day	High ºF	Low ºF	Precip. inch	Snow inch	Snow d. inch
01 Jun	84.0	63.0	0.02	-	-
02 Jun	84.0	59.0	0.00	-	-
03 Jun	82.9	53.1	0.00	-	-
04 Jun	87.1	55.9	0.00	-	-
05 Jun	88.0	59.0	0.00	-	-
06 Jun	-	-	-	-	-
07 Jun	-	-	-	-	-
08 Jun	-	-	-	-	-
09 Jun	-	-	-	-	-
10 Jun	-	-	-	-	-
11 Jun	-	-	-	-	-
12 Jun	-	-	-	-	-
13 Jun	-	-	-	-	-
14 Jun	-	-	-	-	-
15 Jun	-	-	-	-	-
16 Jun	-	-	-	-	-
17 Jun	-	-	-	-	-
18 Jun	-	-	-	-	-
19 Jun	-	-	-	-	-
20 Jun	-	-	-	-	-
21 Jun	-	-	-	-	-
22 Jun	-	-	-	-	-
23 Jun	-	-	-	-	-
24 Jun	-	-	-	-	-
25 Jun	-	-	-	-	-
26 Jun	-	-	-	-	-
27 Jun	-	-	-	-	-
28 Jun	-	-	-	-	-
29 Jun	-	-	-	-	-
30 Jun	-	-	-	-	-

	Jun 26	Normal
Average high temperature Av. high temp.	85.2 ºF	46 ºF
Average low temperature Av. low temp.	58.0 ºF	28 ºF
Total precipitation Total precip.	0.02 inch	3.45 inch
Total snowfall Total snowfall	- inch	2 inch

Highest max temperature Highest max temp.	88.0 ºF	-
Lowest max temperature Lowest max temp.	82.9 ºF	-
Highest min temperature Highest min temp.	63.0 ºF	-
Lowest min temperature Lowest min temp.	53.1 ºF	-

Past weather June 2026 incomplete - Missing data

USGS National Map — Open interactive map

Station Data

Monthly averages Mammoth Cave
Longitude: -86.1, Latitude: 37.19
Average weather Mammoth Cave, KY - 42259

Monthly: 1991-2020 normals
History: 2008-2026

Abbreviations

Average precipitation in : Av. precipitation in
Jan: January, Feb: February, ...Jan: January, Feb: February, ...Ja: January, Fe: February, ...