Weather History for Chattanooga, TN

Change the Weather History Date:

Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 72 °F 57 °F 39 °F
Mean Temperature 66 °F 48 °F 36 °F
Min Temperature 59 °F 39 °F 25 °F
Degree Days  
Heating Degree Days (base 65) 29 17 0 516
Cooling Degree Days (base 65) 1 0 0 1
Growing Degree Days (base 50) 16 3 0 87
Dew Point  
Dew Point 61 °F 40 °F 13 °F
Precipitation  
Precipitation 1.30 in 0.19 in 0.00 in 5.57 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 31 mph 5 mph 0 mph
Gust Wind 41 mph 20 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.53 in 30.08 in 29.43 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. 07, 2012 Rise Set
Actual Time 7:36 AM EST 5:28 PM EST
Civil Twilight 7:08 AM EST 5:56 PM EST
Nautical Twilight 6:36 AM EST 6:28 PM EST
Astronomical Twilight 6:05 AM EST 6:59 PM EST
Moon 1:07 AM EST (12/7) 1:14 PM EST (12/7)
Length of Visible Light 10h 48m
Length of Day
9h 52m
Last Quarter, 39% of the Moon is Illuminated
Dec 7
Last Quarter
Dec 13
New
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Weather History Calendar

Precipitation Actual month total 5.57 Normal Month Total: 4.90
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Fog
Actual:
68 | 39 0.00
Average:
56 | 36 0.18
Partly Cloudy
Actual:
71 | 41 0.00
Average:
56 | 36 0.17
Fog
Actual:
72 | 42 0.00
Average:
55 | 35 0.18
Rain
Actual:
71 | 48 0.23
Average:
55 | 35 0.18
Rain
Actual:
63 | 51 0.03
Average:
55 | 35 0.18
Mostly Cloudy
Actual:
64 | 45 T
Average:
54 | 35 0.17
Mostly Cloudy
Actual:
62 | 47 0.00
Average:
54 | 35 0.17
Mostly Cloudy
Actual:
70 | 54 0.00
Average:
54 | 34 0.17
Mostly Cloudy
Actual:
72 | 59 0.01
Average:
53 | 34 0.17
Thunderstorm
Actual:
64 | 40 0.91
Average:
53 | 34 0.17
Partly Cloudy
Actual:
43 | 35 0.00
Average:
53 | 34 0.17
Partly Cloudy
Actual:
51 | 35 0.00
Average:
53 | 34 0.16
Clear
Actual:
56 | 29 0.00
Average:
52 | 33 0.16
Fog
Actual:
58 | 28 0.00
Average:
52 | 33 0.16
Rain
Actual:
59 | 41 0.05
Average:
52 | 33 0.15
Thunderstorm
Actual:
57 | 51 1.30
Average:
52 | 33 0.15
Rain
Actual:
62 | 53 0.01
Average:
51 | 33 0.16
Scattered Clouds
Actual:
61 | 42 0.00
Average:
51 | 33 0.14
Partly Cloudy
Actual:
65 | 36 0.00
Average:
51 | 32 0.15
Rain
Actual:
56 | 42 0.89
Average:
51 | 32 0.14
Partly Cloudy
Actual:
44 | 34 0.00
Average:
51 | 32 0.15
Clear
Actual:
50 | 25 0.00
Average:
51 | 32 0.14
Rain
Actual:
55 | 26 0.12
Average:
50 | 32 0.15
Rain
Actual:
53 | 43 0.51
Average:
50 | 32 0.16
Rain
Actual:
49 | 44 0.90
Average:
50 | 32 0.15
Rain
Actual:
54 | 35 0.21
Average:
50 | 32 0.14
Mostly Cloudy
Actual:
39 | 33 0.00
Average:
50 | 32 0.15
Rain
Actual:
42 | 32 0.32
Average:
50 | 31 0.14
Snow
Actual:
43 | 34 0.08
Average:
50 | 31 0.15
Partly Cloudy
Actual:
43 | 28 0.00
Average:
50 | 31 0.14
Mostly Cloudy
Actual:
49 | 27 0.00
Average:
50 | 31 0.15
 

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 68 54 39 50 44 37 100 73 45 30.38 30.31 30.26 10 8 0 12 2 17 0.00 Fog
2 71 56 41 52 47 41 100 74 47 30.35 30.29 30.23 10 10 10 15 4 21 0.00  
3 72 57 42 52 47 41 100 72 44 30.32 30.26 30.20 10 10 10 16 2 21 0.00 Fog
4 71 60 48 61 53 48 100 77 53 30.29 30.22 30.16 10 9 1 14 3 17 0.23 Fog , Rain
5 63 57 51 61 50 40 100 73 46 30.27 30.19 30.14 10 10 7 15 5 20 0.03 Fog , Rain
6 64 55 45 45 42 36 86 69 52 30.18 30.13 30.08 10 10 10 10 3 15 T  
7 62 55 47 52 48 44 93 79 65 30.10 30.04 29.96 10 10 10 8 2 12 0.00  
8 70 62 54 59 54 50 93 77 61 30.03 29.99 29.94 10 10 7 12 4 16 0.00  
9 72 66 59 61 58 54 100 79 57 30.06 30.00 29.90 10 8 2 17 6 22 0.01  
10 64 52 40 60 54 33 100 85 70 29.96 29.80 29.67 10 6 0 29 8 37 0.91 Rain , Thunderstorm
11 43 39 35 32 30 29 89 75 60 30.22 30.10 29.96 10 10 7 15 9 18 0.00  
12 51 43 35 31 27 20 75 55 34 30.30 30.27 30.23 10 10 10 20 9 23 0.00  
13 56 43 29 35 31 27 92 67 41 30.41 30.35 30.30 10 10 10 9 1 12 0.00  
14 58 43 28 39 33 27 100 72 43 30.41 30.33 30.22 10 8 0 5 1 9 0.00 Fog
15 59 50 41 52 43 38 93 75 57 30.21 30.11 30.01 10 9 2 16 4 22 0.05 Rain
16 57 54 51 56 53 50 100 95 89 30.02 29.93 29.83 10 5 2 20 4 25 1.30 Rain , Thunderstorm
17 62 58 53 58 54 52 100 88 75 29.84 29.75 29.66 10 8 1 16 6 21 0.01 Rain
18 61 52 42 49 37 27 80 54 27 30.00 29.91 29.73 10 10 10 20 5 25 0.00  
19 65 51 36 46 41 35 100 74 48 30.12 30.04 30.00 10 10 10 9 1 12 0.00  
20 56 49 42 52 43 27 100 77 53 30.00 29.79 29.62 10 6 2 31 10 41 0.89 Rain
21 44 39 34 25 19 14 56 45 33 30.24 30.06 29.91 10 10 10 28 14 37 0.00  
22 50 38 25 27 18 13 78 52 26 30.37 30.27 30.21 10 10 10 17 3 23 0.00  
23 55 41 26 43 29 24 92 67 41 30.20 30.12 30.01 10 10 6 9 3 12 0.12 Rain
24 53 48 43 52 48 42 100 96 92 30.00 29.91 29.84 7 2 0 10 1 13 0.51 Fog , Rain
25 49 47 44 48 46 44 100 97 93 30.04 29.93 29.70 3 1 0 16 5 20 0.90 Fog , Rain
26 54 45 35 52 40 29 100 85 70 30.05 29.65 29.43 10 8 3 26 12 36 0.21 Rain
27 39 36 33 29 28 27 82 73 64 30.17 30.12 30.06 10 10 9 17 8 21 0.00  
28 42 37 32 40 32 28 93 79 65 30.16 30.03 29.82 10 8 3 15 4 24 0.32 Rain
29 43 39 34 41 35 24 100 82 64 30.31 29.99 29.80 10 8 2 21 8 25 0.08 Rain , Snow
30 43 36 28 26 22 19 92 68 43 30.53 30.44 30.32 10 10 10 18 7 23 0.00  
31 49 38 27 33 28 26 92 69 45 30.40 30.29 30.11 10 10 10 10 2 12 0.00