Weather Averages for Duncan, OK

7-day Forecast / 10-day Forecast

Latitude: 34°28'N, Longitude: 97°57'W, Elevation: 1125.0 ft, Distance: 6.58 mi Duncan, OK Averages »

	Unit	Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Average temperature over 23 years	°F	62	39	44	51	62	69	78	82	82	75	64	51	43
Average high temperature over 23 years	°F	75	51	57	64	75	82	89	95	96	89	78	64	55
Average low temperature over 22 years	°F	51	28	33	39	51	59	68	71	71	64	53	39	32
Highest recorded temperature over 21 years	°F	109	84	87	96	96	98	105	109	109	107	100	89	87
Lowest recorded temperature over 22 years	°F	-7	-7	1	1	26	34	48	55	55	36	26	14	5
Average number of rainy days over 23 years	days	60.1	3.5	4.3	4.8	6.1	7.6	7.3	5.2	4.8	4.3	5.5	2.9	3.8
Average number of days above 90°F over 8 years	days	106.3	-	-	0.3	2	7	20	27	28	19	3	-	-
Average precipitation over 23 years	in	33.0	1.4	1.8	2.0	3.0	6.4	4.5	2.7	2.4	2.5	3.4	1.5	1.5
Average relative humidity over 12 years	%	64	70	67	61	60	68	65	63	58	58	63	63	66
Average dew point over 12 years	°F	46	28	32	35	44	57	64	66	64	57	48	35	28
Average number of days below 32°F over 9 years	days	64	19	12	8	1	-	-	-	-	-	1	8	15
Average number of days below 0°F over 12 years	days	0.1	0.1	-	-	-	-	-	-	-	-	-	-	-
Average snowfall over 12 years	in	7.0	2.0	2.2	1.0	-	-	-	-	-	-	-	0.3	1.5

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