Annual
Climatology: Wilmington, DE (ILG)
Elev: 74 ft Lat: 39o 40'N Long: 75o 36'W
Figure 1: Average Temperatures and Precipitation 1971-2000. (NCDC Data)
Month |
Daily Max |
Daily Min |
Mean |
Maximum Daily Temperature |
Minimum Daily Temperature |
January |
39.3 |
23.7 |
31.5 |
75 |
-14 |
February |
42.5 |
25.8 |
34.2 |
78 |
-6 |
March |
51.9 |
33.4 |
42.7 |
86 |
2 |
April |
62.6 |
42.1 |
52.4 |
94 |
18 |
May |
72.5 |
52.4 |
62.5 |
96 |
30 |
June |
81.1 |
61.8 |
71.5 |
100 |
41 |
July |
86.0 |
67.3 |
76.6 |
102 |
48 |
August |
84.1 |
65.8 |
75.0 |
101 |
43 |
September |
77.2 |
58.1 |
67.7 |
100 |
36 |
October |
65.9 |
45.6 |
55.8 |
91 |
24 |
November |
55.0 |
36.9 |
45.9 |
85 |
14 |
December |
44.4 |
28.4 |
36.4 |
75 |
-7 |
Annual |
63.5 |
45.1 |
54.4 |
102 |
-14 |
Month |
Mean |
Median |
Extreme |
Year |
Snow* |
January |
3.43 |
3.03 |
8.41 |
1978 |
7.5 |
February |
2.81 |
2.73 |
7.02 |
1979 |
6.3 |
March |
3.97 |
3.83 |
9.17 |
2000 |
2.3 |
April |
3.39 |
3.18 |
6.80 |
1983 |
0.3 |
May |
4.15 |
3.96 |
7.38 |
1983 |
0.0 |
June |
3.59 |
3.96 |
7.49 |
1972 |
0.0 |
July |
4.28 |
4.02 |
12.63 |
1989 |
0.0 |
August |
3.51 |
3.04 |
8.38 |
1971 |
0.0 |
September |
4.01 |
3.63 |
12.68 |
1999 |
0.0 |
October |
3.08 |
2.85 |
8.01 |
1995 |
0.1 |
November |
3.19 |
2.91 |
7.84 |
1972 |
0.6 |
December |
3.40 |
2.87 |
7.96 |
1996 |
1.9 |
Annual |
42.81 |
42.30 |
|
|
19.0 |
* Snowfall totals represent
mean snowfall 1971-2000
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