Weather Averages for Black Diamond, WA

7-day Forecast / 10-day Forecast

Latitude: 47°23'N, Longitude: 121°58'W, Elevation: 540.0 ft, Distance: 4.42 mi Black Diamond, WA Averages »

	Unit	Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Average temperature over 68 years	°F	48	37	39	43	46	53	57	62	60	57	48	42	37
Average high temperature over 68 years	°F	59	43	48	52	58	65	69	75	75	69	59	49	44
Average low temperature over 68 years	°F	39	31	32	34	37	41	46	49	48	44	39	35	32
Average precipitation over 68 years	in	56.7	7.3	5.8	5.6	4.4	3.4	3.1	1.5	1.7	3.1	5.3	7.6	7.9
Average snowfall over 68 years	in	10.3	4.0	1.6	1.1	0.1	-	-	-	-	-	-	1.3	2.2
Average snow cover over 68 years	in	-	1.0	-	-	-	-	-	-	-	-	-	-	-
Heating degree days over 30 years	days	5854	859	680	676	543	384	210	109	128	241	481	684	859
Cooling degree days over 30 years	days	88	-	-	-	-	-	9	28	44	7	-	-	-

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