Weather Averages for Roundup, MT

7-day Forecast / 10-day Forecast

Latitude: 46°28'N, Longitude: 108°34'W, Elevation: 3230.0 ft, Distance: 2.04 mi Roundup, MT Averages »

	Unit	Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Average temperature over 85 years	°F	46	23	28	35	44	55	64	71	69	59	48	35	26
Average high temperature over 85 years	°F	61	35	41	48	60	70	78	88	87	75	63	47	38
Average low temperature over 85 years	°F	32	11	15	21	31	41	49	54	52	42	33	22	14
Average precipitation over 85 years	in	12.4	0.4	0.3	0.6	1.1	2.1	2.5	1.4	1.1	1.1	0.9	0.4	0.4
Average snowfall over 85 years	in	25.1	5.9	3.9	4.3	1.4	0.2	-	-	-	0.1	1.2	3.1	4.9
Average snow cover over 85 years	in	-	1.0	1.0	-	-	-	-	-	-	-	-	-	1.0
Heating degree days over 30 years	days	7010	1280	980	893	558	289	97	11	44	241	493	906	1218
Cooling degree days over 30 years	days	580	-	-	-	-	7	100	222	199	52	-	-	-

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