Weather History for Johnstown, PA

Change the Weather History Date:

Month of December, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 57 °F 39 °F 26 °F
Mean Temperature 50 °F 34 °F 23 °F
Min Temperature 42 °F 28 °F 14 °F
Degree Days  
Heating Degree Days (base 65) 42 31 16 966
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 54 °F 28 °F 0 °F
Precipitation  
Precipitation 0.88 in 0.09 in 0.00 in 2.91 in
Snowdepth - - - -
Wind  
Wind 30 mph 10 mph 0 mph
Gust Wind 44 mph 24 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.65 in 30.13 in 29.34 in

Monthly Weather History Graph

Monthly Weather History Graph

Search for Another Location

Airport:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Dec. 08, 2011 Rise Set
Actual Time 7:25 AM EST 4:48 PM EST
Civil Twilight 6:54 AM EST 5:19 PM EST
Nautical Twilight 6:20 AM EST 5:53 PM EST
Astronomical Twilight 5:47 AM EST 6:26 PM EST
Moon 3:27 PM EST (12/8) 5:35 AM EST (12/8)
Length of Visible Light 10h 24m
Length of Day
9h 23m
Waxing Gibbous, 97% of the Moon is Illuminated
Dec 8
Waxing Gibbous
Dec 10
Full
Dec 17
Last Quarter
Dec 24
New
Jan 1
First Quarter

Weather History Calendar

Precipitation Actual month total 2.91 Average Month Total: 3.52
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
37 | 26 0.00
Average:
43 | 28 0.06
Partly Cloudy
Actual:
39 | 28 0.00
Average:
45 | 27 0.20
Clear
Actual:
39 | 25 0.00
Average:
42 | 27 0.21
Clear
Actual:
54 | 33 0.00
Average:
41 | 27 0.17
Rain
Actual:
57 | 42 0.02
Average:
43 | 26 0.05
Rain
Actual:
53 | 39 0.18
Average:
45 | 28 0.18
Snow
Actual:
39 | 25 0.88
Average:
43 | 25 0.14
Snow
Actual:
26 | 23 0.00
Average:
43 | 27 0.14
Partly Cloudy
Actual:
34 | 21 0.00
Average:
43 | 27 0.15
Snow
Actual:
30 | 18 0.00
Average:
41 | 24 0.14
Clear
Actual:
32 | 14 0.00
Average:
41 | 26 0.16
Clear
Actual:
37 | 23 0.00
Average:
42 | 26 0.07
Scattered Clouds
Actual:
39 | 27 0.00
Average:
43 | 27 0.13
Rain
Actual:
43 | 35 0.00
Average:
43 | 25 0.05
Rain
Actual:
54 | 42 0.06
Average:
42 | 25 0.11
Partly Cloudy
Actual:
39 | 28 0.00
Average:
39 | 24 0.07
Snow
Actual:
27 | 23 0.06
Average:
39 | 23 0.07
Snow
Actual:
27 | 23 0.03
Average:
36 | 22 0.12
Rain
Actual:
41 | 27 0.00
Average:
38 | 21 0.08
Rain
Actual:
44 | 37 0.16
Average:
39 | 23 0.10
Rain
Actual:
55 | 39 0.42
Average:
39 | 22 0.12
Rain
Actual:
46 | 41 0.24
Average:
37 | 23 0.08
Snow
Actual:
42 | 28 0.07
Average:
40 | 24 0.13
Snow
Actual:
30 | 23 0.01
Average:
40 | 21 0.11
Snow
Actual:
39 | 28 0.00
Average:
38 | 20 0.08
Partly Cloudy
Actual:
33 | 30 0.00
Average:
37 | 18 0.12
Snow
Actual:
37 | 30 0.65
Average:
35 | 19 0.06
Snow
Actual:
30 | 17 0.03
Average:
39 | 23 0.14
Snow
Actual:
34 | 17 0.00
Average:
40 | 24 0.09
Partly Cloudy
Actual:
43 | 35 0.00
Average:
38 | 23 0.10
Rain
Actual:
39 | 35 0.10
Average:
41 | 23 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

2011 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 37 32 26 27 24 23 93 78 55 30.35 30.26 30.11 10 10 10 9 6 - 0.00  
2 39 34 28 28 25 21 80 70 60 30.56 30.39 30.22 10 10 10 18 9 25 0.00  
3 39 32 25 28 25 22 88 76 62 30.60 30.55 30.47 10 10 10 13 5 - 0.00  
4 54 44 33 31 28 26 78 62 34 30.44 30.37 30.30 10 10 10 10 8 - 0.00  
5 57 50 42 49 39 29 96 69 56 30.29 30.19 30.04 10 10 7 18 7 24 0.02 Rain
6 53 47 39 54 50 39 100 99 88 30.02 29.98 29.89 10 4 0 13 7 - 0.18 Fog , Rain
7 39 32 25 40 33 24 100 99 93 29.96 29.81 29.68 10 2 0 25 8 34 0.88 Fog , Rain , Snow
8 26 24 23 23 21 20 96 88 81 30.31 30.13 29.86 10 9 4 24 16 36 0.00 Snow
9 34 28 21 25 22 17 96 77 64 30.29 30.25 30.20 10 10 7 15 6 21 0.00  
10 30 24 18 27 18 9 100 74 53 30.53 30.34 30.18 10 10 6 18 11 21 0.00 Snow
11 32 23 14 12 8 0 84 57 26 30.65 30.56 30.43 10 10 10 10 4 - 0.00  
12 37 30 23 17 14 11 74 54 38 30.54 30.48 30.37 10 10 10 8 4 - 0.00  
13 39 33 27 25 20 15 67 60 49 30.49 30.44 30.36 10 10 10 9 5 - 0.00  
14 43 38 35 37 31 25 87 74 62 30.40 30.29 30.14 10 10 8 14 5 - 0.00 Rain
15 54 48 42 52 46 33 100 82 63 30.11 29.90 29.79 10 9 2 23 14 44 0.06 Rain
16 39 34 28 32 23 21 80 73 69 30.24 30.14 29.99 10 10 10 26 16 40 0.00  
17 27 25 23 25 22 19 100 89 72 30.23 30.13 30.07 10 4 0 14 10 17 0.06 Fog , Snow
18 27 25 23 23 22 20 100 89 78 30.28 30.16 30.08 10 5 1 13 8 20 0.03 Snow
19 41 34 27 34 28 21 83 74 55 30.21 30.08 29.98 10 10 10 24 14 33 0.00 Rain
20 44 40 37 39 37 34 100 94 73 30.15 30.07 30.00 10 6 0 17 9 24 0.16 Fog , Rain
21 55 47 39 50 44 36 100 90 76 30.01 29.85 29.66 10 7 1 21 8 40 0.42 Rain
22 46 44 41 43 39 37 100 85 71 30.11 29.98 29.81 10 8 1 17 8 24 0.24 Rain
23 42 35 28 43 32 26 100 96 86 30.24 30.05 29.85 10 6 0 16 10 24 0.07 Fog , Rain , Snow
24 30 26 23 27 22 18 100 80 64 30.45 30.32 30.17 10 9 4 16 8 26 0.01 Snow
25 39 34 28 27 24 21 86 69 47 30.30 30.13 30.00 10 10 8 24 12 34 0.00 Snow
26 33 32 30 25 24 22 82 73 64 30.34 30.21 30.02 10 10 10 24 15 32 0.00  
27 37 34 30 37 31 21 100 89 56 30.07 29.54 29.34 10 6 2 26 12 40 0.65 Rain , Snow
28 30 24 17 29 20 12 96 84 68 30.01 29.73 29.47 10 4 0 30 21 43 0.03 Fog , Rain , Snow
29 34 26 17 31 24 12 100 85 67 30.01 29.89 29.79 10 7 1 14 9 24 0.00 Snow
30 43 39 35 34 30 28 76 70 65 29.97 29.87 29.78 10 10 10 17 11 23 0.00  
31 39 37 35 38 36 30 100 97 70 30.12 29.92 29.75 10 7 0 18 9 28 0.10 Fog , Rain