Weather History for Wilmington, DE

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 68 °F 49 °F 35 °F
Mean Temperature 57 °F 43 °F 32 °F
Min Temperature 49 °F 35 °F 23 °F
Degree Days  
Heating Degree Days (base 65) 33 22 8 697
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 7 0 0 13
Dew Point  
Dew Point 57 °F 35 °F 17 °F
Precipitation  
Precipitation 1.05 in 0.13 in 0.00 in 3.92 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 45 mph 8 mph 0 mph
Gust Wind 60 mph 27 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.47 in 30.02 in 29.18 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 31, 2012 Rise Set
Actual Time 7:23 AM EST 4:48 PM EST
Civil Twilight 6:52 AM EST 5:18 PM EST
Nautical Twilight 6:19 AM EST 5:52 PM EST
Astronomical Twilight 5:46 AM EST 6:25 PM EST
Moon 8:15 PM EST (12/31) 9:04 AM EST (12/31)
Length of Visible Light 10h 25m
Length of Day
9h 25m
Waning Gibbous, 90% of the Moon is Illuminated
Dec 31
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

Weather History Calendar

Precipitation Actual month total 3.92 Normal Month Total: 3.48
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
53 | 38 0.00
Average:
50 | 33 0.12
Rain
Actual:
51 | 43 0.02
Average:
49 | 33 0.13
Partly Cloudy
Actual:
68 | 45 0.00
Average:
49 | 32 0.12
Partly Cloudy
Actual:
64 | 49 0.00
Average:
48 | 32 0.13
Rain
Actual:
59 | 35 T
Average:
48 | 32 0.12
Clear
Actual:
42 | 27 0.00
Average:
48 | 31 0.13
Rain
Actual:
46 | 29 0.22
Average:
47 | 31 0.12
Rain
Actual:
52 | 46 0.10
Average:
47 | 31 0.12
Rain
Actual:
49 | 43 0.31
Average:
47 | 30 0.13
Rain
Actual:
58 | 45 0.05
Average:
46 | 30 0.12
Rain
Actual:
56 | 36 0.09
Average:
46 | 30 0.13
Clear
Actual:
46 | 32 0.00
Average:
46 | 30 0.12
Clear
Actual:
48 | 30 0.00
Average:
45 | 29 0.12
Clear
Actual:
51 | 25 0.00
Average:
45 | 29 0.11
Scattered Clouds
Actual:
50 | 29 0.00
Average:
45 | 29 0.12
Rain
Actual:
51 | 43 0.05
Average:
44 | 28 0.11
Rain
Actual:
49 | 45 0.07
Average:
44 | 28 0.10
Rain
Actual:
60 | 39 0.22
Average:
44 | 28 0.11
Scattered Clouds
Actual:
50 | 34 0.00
Average:
43 | 28 0.11
Rain
Actual:
50 | 30 0.39
Average:
43 | 27 0.10
Rain
Actual:
56 | 38 1.05
Average:
43 | 27 0.11
Partly Cloudy
Actual:
44 | 37 0.00
Average:
43 | 27 0.11
Clear
Actual:
46 | 28 0.00
Average:
42 | 27 0.10
Snow
Actual:
40 | 23 0.14
Average:
42 | 27 0.11
Partly Cloudy
Actual:
45 | 32 0.00
Average:
42 | 26 0.11
Rain
Actual:
47 | 33 0.98
Average:
42 | 26 0.11
Overcast
Actual:
44 | 35 0.00
Average:
42 | 26 0.10
Partly Cloudy
Actual:
43 | 30 0.00
Average:
41 | 26 0.09
Snow
Actual:
35 | 32 0.23
Average:
41 | 26 0.09
Partly Cloudy
Actual:
39 | 29 0.00
Average:
41 | 26 0.09
Partly Cloudy
Actual:
41 | 29 0.00
Average:
41 | 25 0.09
 

Calendar Legend

Sunny
Clear
Mostly Cloudy
Partly Sunny
Partly Cloudy
Mostly Sunny
Cloudy Rain Snow
Hail
Flurries
Thunderstorms Hazy
Fog
Sleet '?' denotes
'chance of'
Unknown

Daily Weather History & Observations

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 53 46 38 43 40 35 92 80 68 30.47 30.42 30.38 10 8 3 16 9 21 0.00  
2 51 47 43 48 44 42 100 90 80 30.42 30.30 30.15 9 3 0 13 4 15 0.02 Fog , Rain
3 68 57 45 52 49 45 100 78 55 30.26 30.22 30.14 10 8 2 12 4 14 0.00  
4 64 57 49 54 50 48 93 83 72 30.26 30.17 30.01 10 7 2 9 4 12 0.00  
5 59 47 35 50 35 21 89 65 41 30.30 30.12 29.96 10 10 10 24 14 30 T Rain
6 42 35 27 27 21 18 75 58 41 30.40 30.33 30.30 10 10 10 13 5 16 0.00  
7 46 38 29 45 38 26 93 83 72 30.28 30.13 30.00 10 7 2 6 1 7 0.22 Rain
8 52 49 46 49 47 45 100 95 89 30.04 29.97 29.91 9 2 0 9 3 12 0.10 Fog , Rain
9 49 46 43 48 45 42 100 93 86 30.23 30.11 30.00 10 3 0 16 7 22 0.31 Fog , Rain
10 58 52 45 57 52 44 100 97 93 29.96 29.70 29.59 5 1 0 9 2 10 0.05 Fog , Rain
11 56 46 36 55 40 27 100 77 54 30.22 29.90 29.61 10 9 0 25 10 30 0.09 Fog , Rain
12 46 39 32 29 27 24 78 62 45 30.45 30.38 30.23 10 10 10 10 4 18 0.00  
13 48 39 30 27 24 22 78 57 36 30.47 30.42 30.35 10 10 10 14 4 20 0.00  
14 51 38 25 32 27 22 85 62 38 30.35 30.28 30.22 10 9 5 15 4 18 0.00  
15 50 40 29 38 31 27 92 71 50 30.34 30.26 30.18 10 9 7 10 3 13 0.00  
16 51 47 43 48 46 40 100 88 76 30.17 29.97 29.86 10 6 1 9 3 10 0.05 Rain
17 49 47 45 48 46 44 100 97 93 29.88 29.80 29.58 4 2 0 14 8 17 0.07 Fog , Rain
18 60 50 39 50 44 29 100 75 50 29.77 29.58 29.53 10 6 0 26 11 36 0.22 Fog , Rain
19 50 42 34 33 30 28 76 65 53 30.18 29.95 29.79 10 10 10 25 10 31 0.00  
20 50 40 30 46 33 27 93 73 53 30.22 30.05 29.57 10 9 4 22 8 30 0.39 Rain
21 56 47 38 55 38 24 100 76 51 29.52 29.32 29.18 10 8 2 45 22 60 1.05 Rain
22 44 41 37 26 22 19 64 52 39 29.98 29.74 29.47 10 10 10 36 22 45 0.00  
23 46 37 28 25 22 17 72 52 31 30.06 29.99 29.91 10 10 9 14 6 18 0.00  
24 40 32 23 35 29 19 96 73 50 30.10 30.00 29.91 10 6 2 12 5 15 0.14 Rain , Snow
25 45 39 32 36 33 24 100 83 65 30.28 30.07 29.90 10 6 2 18 8 22 0.00  
26 47 40 33 45 32 25 93 81 69 30.30 29.89 29.36 10 7 2 40 19 48 0.98 Rain
27 44 40 35 40 31 23 92 76 59 29.97 29.59 29.32 10 9 3 36 20 48 0.00  
28 43 37 30 27 26 23 78 66 53 30.13 30.07 29.97 10 10 10 21 8 25 0.00  
29 35 34 32 34 29 24 96 83 69 30.06 29.73 29.55 10 5 0 22 9 28 0.23 Fog , Rain , Snow
30 39 34 29 25 21 19 75 62 48 30.28 30.06 29.76 10 10 10 33 16 43 0.00  
31 41 35 29 25 22 19 69 60 50 30.31 30.16 29.99 10 10 10 16 8 21 0.00