Weather History for Allentown, PA

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Month of January, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 66 °F 40 °F 19 °F
Mean Temperature 54 °F 32 °F 14 °F
Min Temperature 43 °F 25 °F 6 °F
Degree Days  
Heating Degree Days (base 65) 51 33 11 1009
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 2 0 0 2
Dew Point  
Dew Point 58 °F 23 °F -7 °F
Precipitation  
Precipitation 1.63 in 0.15 in 0.00 in 4.00 in
Snowdepth 1.0 in 0.1 in 0.0 in -
Wind  
Wind 35 mph 6 mph 0 mph
Gust Wind 52 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.56 in 30.14 in 29.08 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Jan. 04, 2013 Rise Set
Actual Time 7:25 AM EST 4:48 PM EST
Civil Twilight 6:55 AM EST 5:18 PM EST
Nautical Twilight 6:20 AM EST 5:53 PM EST
Astronomical Twilight 5:47 AM EST 6:26 PM EST
Moon No Moon Rise 11:04 AM EST (1/4)
Length of Visible Light 10h 23m
Length of Day
9h 22m
Waning Gibbous, 55% of the Moon is Illuminated
Jan 4
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

Weather History Calendar

Precipitation Actual month total 4.00 Normal Month Total: 3.03
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
38 | 24 T
Average:
37 | 20 0.09
Scattered Clouds
Actual:
31 | 19 0.00
Average:
36 | 20 0.09
Scattered Clouds
Actual:
32 | 18 0.00
Average:
36 | 20 0.10
Partly Cloudy
Actual:
37 | 27 0.00
Average:
36 | 20 0.09
Scattered Clouds
Actual:
40 | 25 0.00
Average:
36 | 20 0.10
Partly Cloudy
Actual:
44 | 30 T
Average:
36 | 20 0.10
Partly Cloudy
Actual:
45 | 26 0.00
Average:
36 | 20 0.09
Rain
Actual:
46 | 19 0.00
Average:
36 | 20 0.09
Rain
Actual:
42 | 22 T
Average:
36 | 20 0.09
Clear
Actual:
48 | 31 0.00
Average:
36 | 19 0.10
Rain
Actual:
45 | 31 0.41
Average:
36 | 19 0.10
Fog
Actual:
48 | 40 0.00
Average:
36 | 19 0.10
Fog
Actual:
49 | 43 0.01
Average:
36 | 19 0.10
Rain
Actual:
55 | 39 0.06
Average:
36 | 19 0.10
Snow
Actual:
39 | 32 0.21
Average:
36 | 19 0.10
Snow
Actual:
34 | 31 0.56
Average:
36 | 19 0.10
Scattered Clouds
Actual:
41 | 33 0.00
Average:
36 | 19 0.10
Scattered Clouds
Actual:
34 | 23 0.00
Average:
36 | 19 0.10
Scattered Clouds
Actual:
49 | 24 0.00
Average:
36 | 19 0.10
Clear
Actual:
52 | 27 0.00
Average:
36 | 19 0.10
Snow
Actual:
30 | 19 T
Average:
36 | 19 0.10
Scattered Clouds
Actual:
23 | 11 0.00
Average:
36 | 19 0.10
Scattered Clouds
Actual:
19 | 8 T
Average:
36 | 19 0.10
Partly Cloudy
Actual:
24 | 8 0.00
Average:
36 | 19 0.09
Snow
Actual:
21 | 10 0.05
Average:
36 | 19 0.10
Partly Cloudy
Actual:
27 | 12 0.00
Average:
36 | 19 0.10
Clear
Actual:
34 | 6 0.00
Average:
36 | 20 0.09
Snow
Actual:
35 | 20 0.18
Average:
36 | 20 0.10
Rain
Actual:
50 | 35 0.01
Average:
37 | 20 0.10
Rain
Actual:
66 | 41 0.88
Average:
37 | 20 0.10
Snow
Actual:
57 | 26 1.63
Average:
37 | 20 0.11
 

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

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Jan high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 38 31 24 29 25 16 75 67 58 30.04 29.94 29.87 10 10 8 14 8 21 T  
2 31 25 19 16 14 12 73 61 49 30.22 30.09 30.02 10 10 10 15 7 22 0.00  
3 32 25 18 20 15 12 80 65 49 30.22 30.16 30.08 10 10 10 15 7 21 0.00  
4 37 32 27 21 20 18 69 60 51 30.12 30.06 29.99 10 10 10 22 12 29 0.00  
5 40 33 25 25 21 18 78 63 48 30.32 30.23 30.07 10 10 7 17 8 24 0.00  
6 44 37 30 29 26 24 85 69 53 30.21 30.09 29.99 10 8 4 14 5 21 T  
7 45 36 26 29 25 23 78 60 41 30.40 30.30 30.10 10 10 8 15 6 21 0.00  
8 46 33 19 29 24 18 92 73 53 30.41 30.39 30.36 10 7 4 12 3 16 0.00 Rain
9 42 32 22 35 27 19 100 88 76 30.39 30.30 30.18 10 4 2 12 3 14 T Rain
10 48 40 31 28 25 23 82 61 39 30.55 30.48 30.30 10 10 10 15 6 20 0.00  
11 45 38 31 41 35 26 96 80 64 30.51 30.28 30.10 10 6 1 10 3 13 0.41 Rain
12 48 44 40 45 42 39 100 93 86 30.17 30.14 30.09 6 1 0 6 1 8 0.00 Fog
13 49 46 43 47 45 43 100 96 92 30.15 30.07 29.99 3 1 0 8 2 9 0.01 Fog
14 55 47 39 50 42 29 100 75 49 30.29 30.11 29.93 10 6 0 14 5 20 0.06 Fog , Rain
15 39 36 32 34 29 24 92 76 59 30.37 30.28 30.21 10 9 4 10 4 12 0.21 Rain , Snow
16 34 33 31 33 31 30 100 95 89 30.19 30.01 29.86 5 2 1 10 5 12 0.56 Rain , Snow
17 41 37 33 32 29 26 100 80 60 30.09 30.05 29.96 10 9 4 13 5 17 0.00  
18 34 29 23 28 14 6 82 61 39 30.47 30.34 30.04 10 10 10 22 9 30 0.00  
19 49 37 24 26 22 10 74 57 39 30.38 30.17 29.90 10 10 10 18 7 25 0.00  
20 52 40 27 29 20 10 78 51 23 30.08 29.87 29.74 10 10 10 32 12 52 0.00  
21 30 25 19 19 12 8 81 64 46 30.10 29.99 29.89 10 10 4 22 5 31 T Snow
22 23 17 11 3 -2 -7 54 44 33 30.25 30.09 29.89 10 10 10 24 15 36 0.00  
23 19 14 8 5 -1 -5 76 58 39 30.28 30.23 30.17 10 10 10 17 7 24 T  
24 24 16 8 6 2 -3 83 59 34 30.47 30.29 30.14 10 10 9 24 7 30 0.00  
25 21 16 10 14 6 -2 88 65 41 30.46 30.27 30.08 10 7 1 15 3 22 0.05 Snow
26 27 20 12 12 8 5 88 67 46 30.41 30.21 30.07 10 10 8 15 7 21 0.00  
27 34 20 6 14 9 3 88 63 38 30.56 30.50 30.42 10 10 9 13 4 21 0.00  
28 35 28 20 33 27 15 100 84 68 30.49 30.24 30.03 9 3 0 12 4 15 0.18 Fog , Rain , Snow
29 50 43 35 44 38 33 100 90 80 30.14 30.08 30.01 6 3 2 8 3 16 0.01 Rain
30 66 54 41 58 49 39 100 89 78 30.01 29.69 29.33 10 3 0 23 6 30 0.88 Fog , Rain
31 57 42 26 55 36 9 100 69 38 29.82 29.38 29.08 10 6 1 35 16 49 1.63 Rain , Snow