Climate Helena - Montana

	JanJa	FebFe	MarMa	AprAp	MayMa	JunJu
Average high in ºF Av. high Hi	33	39	48	58	67	76
Average low in ºF Av. low Lo	13	17	24	32	41	49
Av. precipitation in inch Av. precip. Pre.	0.36	0.30	0.59	0.98	1.87	2.06
Av. snowfall in inch Snowfall Sn	6	5	6	4	1	0

	JulJu	AugAu	SepSe	OctOc	NovNo	DecDe
Average high in ºF Av. high Hi	86	85	73	59	43	32
Average low in ºF Av. low Lo	54	52	43	33	22	12
Av. precipitation in inch Av. precip. Pre.	1.19	1.20	1.10	0.68	0.49	0.40
Av. snowfall in inch Snowfall Sn	0	0	1	3	5	7

Helena Climate Graph - Montana Climate Chart

Day	High ºF	Low ºF	Prec/mo inch	Prec/yr inch	Snow/mo inch	Snow/yr inch
1 Jan	31.1	10.9	0.00	0.00	0.20	0.50
2 Jan	31.3	11.0	0.04	0.04	0.39	1.00
3 Jan	31.4	11.1	0.04	0.04	0.59	1.50
4 Jan	31.5	11.2	0.04	0.04	0.79	2.00
5 Jan	31.7	11.4	0.08	0.08	0.98	2.50
6 Jan	31.8	11.5	0.08	0.08	1.18	3.00
7 Jan	31.9	11.7	0.08	0.08	1.42	3.60
8 Jan	32.1	11.8	0.12	0.12	1.61	4.10
9 Jan	32.2	12.0	0.12	0.12	1.81	4.60
10 Jan	32.4	12.1	0.12	0.12	2.01	5.10
11 Jan	32.6	12.3	0.16	0.16	2.20	5.60
12 Jan	32.7	12.4	0.16	0.16	2.40	6.10

Day	High ºF	Low ºF	Precip. inch	Snow inch	Snow d. inch
01 Jun	57.0	41.0	0.18	0.00	0.0
02 Jun	59.0	45.0	0.00	0.00	0.0
03 Jun	73.9	43.0	0.00	0.00	0.0
04 Jun	73.9	52.0	0.00	0.00	0.0
05 Jun	80.1	46.0	0.00	0.00	0.0
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.	68.8 ºF	33 ºF
Average low temperature Av. low temp.	45.4 ºF	13 ºF
Total precipitation Total precip.	0.18 inch	0.36 inch
Total snowfall Total snowfall	0.00 inch	6 inch

Highest max temperature Highest max temp.	80.1 ºF	-
Lowest max temperature Lowest max temp.	57.0 ºF	-
Highest min temperature Highest min temp.	52.0 ºF	-
Lowest min temperature Lowest min temp.	41.0 ºF	-

Past weather June 2026 incomplete - Missing data

USGS National Map — Open interactive map

Station Data

Monthly averages Helena
Longitude: -111.983, Latitude: 46.6068
Average weather Helena, MT - 59601

Monthly: 1991-2020 normals
History: 2007-2026

Abbreviations

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