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40.79897, -76.86219

Normals for December

Temp ( °F °C ) Precip ( " mm ) Degree Days
Min Max Avg MTD YTD Heating Cooling
1 28 -2 45 7 36 2 0.12 undefined 39.98 undefined 28.6 0
2 28 -2 44 7 36 2 0.23 undefined 40.09 undefined 28.9 0
3 28 -2 44 7 36 2 0.34 undefined 40.2 undefined 29.2 0
4 28 -2 44 6 36 2 0.46 undefined 40.32 undefined 29.4 0
5 27 -3 43 6 35 2 0.58 undefined 40.44 undefined 29.7 0
6 27 -3 43 6 35 2 0.69 undefined 40.55 undefined 30 0
7 27 -3 43 6 35 2 0.81 undefined 40.67 undefined 30.3 0
8 27 -3 42 6 34 1 0.92 undefined 40.78 undefined 30.6 0
9 26 -3 42 6 34 1 1.03 undefined 40.89 undefined 30.8 0
10 26 -3 42 5 34 1 1.15 undefined 41.01 undefined 31.1 0
11 26 -3 41 5 34 1 1.26 undefined 41.12 undefined 31.4 0
12 26 -3 41 5 33 1 1.37 undefined 41.23 undefined 31.6 0
13 26 -4 41 5 33 1 1.48 undefined 41.34 undefined 31.9 0
14 25 -4 40 5 33 1 1.59 undefined 41.45 undefined 32.1 0
15 25 -4 40 5 33 0 1.69 undefined 41.55 undefined 32.4 0
16 25 -4 40 4 32 0 1.8 undefined 41.66 undefined 32.6 0
17 25 -4 40 4 32 0 1.89 undefined 41.75 undefined 32.8 0
18 25 -4 39 4 32 0 1.99 undefined 41.85 undefined 33.1 0
19 24 -4 39 4 32 0 2.08 undefined 41.94 undefined 33.3 0
20 24 -4 39 4 32 0 2.18 undefined 42.04 undefined 33.5 0
21 24 -5 39 4 31 0 2.28 undefined 42.14 undefined 33.8 0
22 24 -5 38 4 31 -1 2.37 undefined 42.23 undefined 34 0
23 23 -5 38 3 31 -1 2.47 undefined 42.33 undefined 34.2 0
24 23 -5 38 3 31 -1 2.57 undefined 42.43 undefined 34.4 0
25 23 -5 38 3 30 -1 2.67 undefined 42.53 undefined 34.6 0
26 23 -5 38 3 30 -1 2.77 undefined 42.63 undefined 34.8 0
27 23 -5 38 3 30 -1 2.86 undefined 42.72 undefined 35 0
28 22 -5 37 3 30 -1 2.96 undefined 42.82 undefined 35.2 0
29 22 -5 37 3 30 -1 3.05 undefined 42.91 undefined 35.4 0
30 22 -6 37 3 29 -1 3.15 undefined 43.01 undefined 35.6 0
31 22 -6 37 3 29 -1 3.24 undefined 43.1 undefined 35.7 0

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