Weather Averages for New Castle, DE

Weather Averages for
New Castle, DE

Latitude: 39°40'N, Longitude: 75°36'W, Elevation: 79.0 ft, Distance: 1.29 mi

	Unit	Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Average temperature over 51 years	°F	53	32	33	41	51	62	71	75	73	66	55	44	35
Average high temperature over 51 years	°F	62	39	41	50	62	71	80	86	82	77	66	53	42
Average low temperature over 51 years	°F	42	24	26	32	41	51	60	66	64	57	44	35	28
Highest recorded temperature over 48 years	°F	102	75	78	86	93	95	100	102	100	100	91	84	73
Lowest recorded temperature over 48 years	°F	-14	-14	-5	1	17	30	41	48	43	36	24	14	-7
Average number of rainy days over 46 years	days	116	11	9	11	11	11	10	9	9	8	8	9	10
Average number of days above 90°F over 48 years	days	20	-	-	-	-	1	4	8	5	2	-	-	-
Average precipitation over 51 years	in	41.1	3.1	2.9	3.8	3.3	3.7	3.4	4.1	3.8	3.6	2.8	3.3	3.4
Average dew point over 48 years	°F	43	21	23	28	39	50	60	64	64	57	46	36	26
Average number of days above 70°F over 48 years	days	160	-	-	2	8	20	28	31	31	25	12	2	-
Most recorded rainfall over 48 years	in	54.7	8.4	7.0	7.5	6.8	7.4	7.5	12.6	12.1	9.5	8.0	7.8	7.9
Least recorded rainfall over 48 years	in	24.9	0.5	0.8	0.8	0.3	0.2	0.2	0.2	0.3	0.8	0.2	0.5	0.2
Average number of days with thunderstorms over 48 years	days	29	-	-	1	2	4	6	6	6	2	1	1	-
Average number of days with fog over 48 years	days	168	12	11	13	12	15	15	16	17	16	15	13	13
Average morning relative humidity over 48 years	%	78	75	74	74	73	76	78	80	83	85	84	80	76
Average evening relative humidity over 48 years	%	55	60	56	52	50	53	54	55	57	56	55	58	61
Average wind speed over 48 years	mph	10.0	12.0	12.0	13.0	11.0	10.0	9.0	9.0	9.0	8.0	9.0	11.0	11.0
Average number of days below 32°F over 48 years	days	99	25	22	15	3	-	-	-	-	-	2	10	22
Average snowfall over 46 years	in	20.4	6.6	6.0	3.3	0.2	-	-	-	-	-	0.1	0.9	3.3
Average number of clear days over 46 years	days	97	7	7	8	7	7	8	8	9	10	11	8	8
Heating degree days over 30 years	days	4937	1066	885	691	384	122	-	-	-	35	288	561	905
Cooling degree days over 30 years	days	1046	-	-	-	-	44	199	353	310	125	15	-	-
Average number of cloudy days over 46 years	days	164	17	14	15	15	14	11	12	12	12	12	14	16
Average number of partly cloudy days over 46 years	days	104	7	7	8	8	10	11	11	10	8	8	8	7
Average number of days below 10°F over 48 years	days	6	3	2	-	-	-	-	-	-	-	-	-	1

Check weather averages for nearby locations (some locations might offer more data):

Latitude: 39°40'N, Longitude: 75°43'W, Elevation: 89.0 ft, Distance: 6.12 mi

Latitude: 39°40'N, Longitude: 75°44'W, Elevation: 90.0 ft, Distance: 6.99 mi

Latitude: 39°46'N, Longitude: 75°32'W, Elevation: 274.0 ft, Distance: 9.00 mi

Latitude: 39°46'N, Longitude: 75°31'W, Elevation: 269.0 ft, Distance: 9.41 mi

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Weather Averages New Castle, DE