Weather History for Pontiac, MI

Change the Weather History Date:

Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 61 °F 39 °F 27 °F
Mean Temperature 51 °F 33 °F 18 °F
Min Temperature 42 °F 27 °F 9 °F
Degree Days  
Heating Degree Days (base 65) 47 32 14 988
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 1 0 0 2
Dew Point  
Dew Point 57 °F 29 °F 5 °F
Precipitation  
Precipitation 0.73 in 0.05 in 0.00 in 1.70 in
Snowdepth 7.0 in 4.2 in 1.0 in -
Wind  
Wind 28 mph 8 mph 0 mph
Gust Wind 43 mph 23 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.40 in 29.96 in 29.15 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. 22, 2012 Rise Set
Actual Time 8:01 AM EST 5:03 PM EST
Civil Twilight 7:29 AM EST 5:36 PM EST
Nautical Twilight 6:53 AM EST 6:11 PM EST
Astronomical Twilight 6:19 AM EST 6:46 PM EST
Moon 1:24 PM EST (12/22) 2:41 AM EST (12/22)
Length of Visible Light 10h 07m
Length of Day
9h 02m
Waxing Gibbous, 73% of the Moon is Illuminated
Dec 22
Waxing Gibbous
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter

Weather History Calendar

Precipitation Actual month total 1.70 Average Month Total: 1.26
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Fog
Actual:
55 | 32 0.00
Average:
39 | 27 0.05
Rain
Actual:
55 | 42 0.23
Average:
39 | 27 0.05
Fog
Actual:
61 | 42 0.00
Average:
39 | 27 0.05
Rain
Actual:
61 | 39 0.36
Average:
38 | 26 0.05
Partly Cloudy
Actual:
37 | 24 0.00
Average:
38 | 26 0.05
Partly Cloudy
Actual:
37 | 26 0.00
Average:
37 | 26 0.05
Rain
Actual:
42 | 36 0.02
Average:
37 | 25 0.05
Snow
Actual:
39 | 32 0.10
Average:
37 | 25 0.05
Snow
Actual:
33 | 30 0.02
Average:
36 | 25 0.05
Snow
Actual:
37 | 28 0.01
Average:
36 | 24 0.05
Partly Cloudy
Actual:
33 | 21 0.00
Average:
35 | 24 0.05
Scattered Clouds
Actual:
42 | 25 0.00
Average:
35 | 23 0.05
Scattered Clouds
Actual:
43 | 27 0.00
Average:
34 | 23 0.05
Fog
Actual:
48 | 28 0.00
Average:
34 | 22 0.04
Rain
Actual:
42 | 30 0.02
Average:
33 | 21 0.04
Rain
Actual:
51 | 42 0.04
Average:
32 | 21 0.04
Overcast
Actual:
41 | 37 0.00
Average:
32 | 20 0.04
Snow
Actual:
39 | 30 0.00
Average:
31 | 19 0.04
Mostly Cloudy
Actual:
37 | 28 0.00
Average:
30 | 18 0.04
Snow
Actual:
45 | 33 0.73
Average:
30 | 18 0.04
Snow
Actual:
33 | 26 0.04
Average:
29 | 18 0.03
Partly Cloudy
Actual:
30 | 27 0.00
Average:
29 | 17 0.03
Partly Cloudy
Actual:
32 | 19 0.00
Average:
29 | 17 0.03
Snow
Actual:
30 | 18 0.05
Average:
29 | 17 0.03
Snow
Actual:
30 | 24 0.00
Average:
29 | 17 0.03
Snow
Actual:
28 | 24 0.04
Average:
29 | 17 0.03
Snow
Actual:
28 | 12 0.01
Average:
29 | 17 0.03
Snow
Actual:
27 | 9 0.00
Average:
29 | 17 0.03
Snow
Actual:
28 | 21 0.03
Average:
29 | 17 0.03
Snow
Actual:
28 | 18 0.00
Average:
29 | 17 0.03
Partly Cloudy
Actual:
33 | 18 0.00
Average:
29 | 17 0.03
 

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 55 42 32 45 36 28 100 89 69 30.27 30.17 30.00 10 4 0 18 7 28 0.00 Fog
2 55 48 42 54 49 42 100 90 77 30.11 29.98 29.91 10 6 2 13 8 24 0.23 Fog , Rain
3 61 51 42 57 49 42 100 97 81 30.14 30.05 29.90 10 3 0 16 5 32 0.00 Fog
4 61 51 39 54 46 29 100 81 58 30.12 29.95 29.89 10 8 2 16 12 26 0.36 Rain
5 37 30 24 28 20 17 81 66 52 30.40 30.34 30.14 10 10 10 16 10 24 0.00  
6 37 32 26 30 25 19 86 76 62 30.35 30.17 29.98 10 10 10 14 6 20 0.00  
7 42 39 36 41 37 31 100 92 79 29.97 29.93 29.88 10 4 1 8 3 - 0.02 Rain
8 39 36 32 39 34 27 100 92 78 30.18 29.95 29.82 10 6 2 12 6 18 0.10 Rain , Snow
9 33 32 30 33 29 26 100 90 79 30.19 29.93 29.64 10 6 0 16 7 23 0.02 Fog , Rain , Snow
10 37 32 28 36 30 19 100 87 67 29.87 29.68 29.59 10 8 0 14 8 22 0.01 Fog , Rain , Snow
11 33 27 21 23 20 17 82 69 56 30.14 29.99 29.84 10 10 10 14 8 22 0.00  
12 42 34 25 25 23 20 85 69 43 30.37 30.30 30.16 10 10 8 12 7 17 0.00  
13 43 35 27 25 24 22 82 66 43 30.37 30.29 30.17 10 10 7 14 6 21 0.00  
14 48 38 28 30 27 24 92 72 44 30.25 30.21 30.14 10 10 5 7 4 - 0.00 Fog
15 42 36 30 40 34 28 100 91 66 30.19 30.00 29.69 10 4 0 15 6 26 0.02 Fog , Rain
16 51 46 42 48 44 39 100 92 77 29.68 29.63 29.58 10 7 2 12 8 40 0.04 Rain
17 41 39 37 38 35 30 97 87 75 29.73 29.67 29.62 10 9 7 9 6 - 0.00  
18 39 34 30 32 29 24 93 78 57 29.77 29.72 29.63 10 9 4 17 7 - 0.00 Snow
19 37 32 28 34 32 27 100 90 70 30.14 29.96 29.74 10 5 2 9 2 - 0.00  
20 45 39 33 43 36 30 97 89 79 30.07 29.48 29.15 10 7 2 23 12 33 0.73 Rain , Snow
21 33 30 26 31 27 21 100 87 69 29.85 29.36 29.17 10 4 1 28 12 41 0.04 Snow
22 30 28 27 22 20 18 81 71 66 30.06 29.98 29.82 10 10 9 24 17 43 0.00  
23 32 26 19 23 20 17 93 76 64 30.05 29.96 29.86 10 10 8 14 6 - 0.00  
24 30 24 18 27 22 15 93 86 69 30.03 29.92 29.83 10 6 0 13 6 - 0.05 Fog , Snow
25 30 27 24 25 22 19 93 80 61 30.33 30.20 29.96 10 10 4 13 9 - 0.00 Snow
26 28 26 24 25 23 21 93 86 74 30.28 29.94 29.83 10 3 0 21 13 30 0.04 Fog , Snow
27 28 20 12 27 23 11 93 87 69 30.16 29.98 29.84 10 6 1 15 10 21 0.01 Snow
28 27 18 9 23 16 5 100 88 74 30.19 30.09 29.97 10 6 0 5 1 - 0.00 Fog , Snow
29 28 24 21 23 21 16 96 85 74 30.05 29.87 29.79 10 6 2 13 7 - 0.03 Snow
30 28 23 18 23 19 14 92 82 71 30.29 30.21 30.07 10 9 5 13 8 20 0.00 Snow
31 33 26 18 26 21 14 85 76 69 30.16 30.00 29.91 10 9 6 20 9 25 0.00