Weather Averages for Rock Springs, WY

7-day Forecast / 10-day Forecast

Latitude: 41°35'N, Longitude: 109°3'W, Elevation: 6752.0 ft, Distance: 5.16 mi Rock Springs, WY Averages »

	Unit	Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Average temperature over 18 years	°F	43	19	23	28	41	50	59	68	66	57	44	30	23
Average high temperature over 18 years	°F	55	28	33	39	53	62	73	82	80	71	57	39	32
Average low temperature over 18 years	°F	31	10	12	19	28	37	46	53	51	43	33	19	14
Highest recorded temperature over 18 years	°F	96	51	57	66	75	86	96	95	93	89	78	62	53
Lowest recorded temperature over 18 years	°F	-23	-23	-18	-9	3	17	26	37	35	19	12	-11	-16
Average number of rainy days over 18 years	days	22.3	1.5	1.6	1.7	2.2	3.2	2.2	1.3	1.6	1.8	2.1	1.7	1.4
Average number of days above 90°F over 12 years	days	3.4	-	-	-	-	-	0.3	2.5	0.6	-	-	-	-
Average precipitation over 18 years	in	7.8	0.4	0.5	0.6	0.8	1.2	0.9	0.5	0.6	0.6	0.9	0.6	0.4
Average relative humidity over 12 years	%	54	71	70	64	52	50	39	36	39	41	48	63	70
Average dew point over 12 years	°F	23	12	15	17	19	28	32	36	36	28	23	17	15
Average number of days below 32°F over 12 years	days	195.1	30.8	27.5	29.9	22.1	7.8	1	-	-	3.2	14.9	27.2	30.7
Average number of days below 0°F over 12 years	days	14.2	5.6	3.2	0.8	-	-	-	-	-	-	-	1.6	3
Average snowfall over 18 years	in	41.4	6.2	6.7	7.1	4.6	1.5	0.1	-	-	0.2	3.8	6.0	5.2

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