Weather History for St. Louis, MO

Change the Weather History Date:

Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 75 °F 50 °F 33 °F
Mean Temperature 69 °F 42 °F 28 °F
Min Temperature 63 °F 34 °F 20 °F
Degree Days  
Heating Degree Days (base 65) 37 23 0 719
Cooling Degree Days (base 65) 4 0 0 8
Growing Degree Days (base 50) 18 2 0 55
Dew Point  
Dew Point 59 °F 32 °F 13 °F
Precipitation  
Precipitation 0.35 in 0.07 in 0.00 in 2.00 in
Snowdepth 1.0 in 0.0 in 0.0 in -
Wind  
Wind 45 mph 9 mph 0 mph
Gust Wind 67 mph 24 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.47 in 30.02 in 29.25 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. 10, 2012 Rise Set
Actual Time 7:09 AM CST 4:39 PM CST
Civil Twilight 6:39 AM CST 5:09 PM CST
Nautical Twilight 6:06 AM CST 5:42 PM CST
Astronomical Twilight 5:33 AM CST 6:15 PM CST
Moon 3:53 AM CST (12/10) 2:28 PM CST (12/10)
Length of Visible Light 10h 30m
Length of Day
9h 30m
Waning Crescent, 10% of the Moon is Illuminated
Dec 10
Waning Crescent
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Weather History Calendar

Precipitation Actual month total 2.00 Normal Month Total: 2.84
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
70 | 48 0.00
Average:
47 | 31 0.11
Rain
Actual:
75 | 62 0.03
Average:
47 | 31 0.10
Partly Cloudy
Actual:
74 | 63 0.00
Average:
47 | 31 0.11
Rain
Actual:
66 | 42 0.30
Average:
46 | 30 0.10
Partly Cloudy
Actual:
54 | 37 0.00
Average:
46 | 30 0.09
Mostly Cloudy
Actual:
53 | 37 0.00
Average:
45 | 29 0.10
Rain
Actual:
56 | 46 0.05
Average:
45 | 29 0.10
Rain
Actual:
49 | 43 0.24
Average:
44 | 29 0.11
Thunderstorm
Actual:
51 | 36 0.26
Average:
44 | 28 0.09
Mostly Cloudy
Actual:
36 | 27 0.00
Average:
44 | 28 0.10
Clear
Actual:
43 | 23 0.00
Average:
43 | 28 0.09
Clear
Actual:
51 | 24 0.00
Average:
43 | 28 0.09
Scattered Clouds
Actual:
57 | 28 0.00
Average:
43 | 27 0.08
Rain
Actual:
58 | 31 0.04
Average:
42 | 27 0.09
Rain
Actual:
65 | 44 0.35
Average:
42 | 27 0.09
Partly Cloudy
Actual:
54 | 39 0.00
Average:
42 | 26 0.08
Rain
Actual:
42 | 36 0.07
Average:
42 | 26 0.09
Scattered Clouds
Actual:
60 | 33 0.00
Average:
41 | 26 0.08
Thunderstorm
Actual:
53 | 30 0.07
Average:
41 | 26 0.08
Thunderstorm
Actual:
56 | 27 0.31
Average:
41 | 26 0.09
Clear
Actual:
37 | 24 0.00
Average:
41 | 25 0.09
Scattered Clouds
Actual:
47 | 20 0.00
Average:
41 | 25 0.09
Partly Cloudy
Actual:
50 | 30 0.00
Average:
41 | 25 0.09
Overcast
Actual:
35 | 24 0.00
Average:
40 | 25 0.09
Overcast
Actual:
35 | 24 0.00
Average:
40 | 25 0.09
Snow
Actual:
33 | 29 T
Average:
40 | 25 0.09
Mostly Cloudy
Actual:
35 | 28 0.00
Average:
40 | 25 0.09
Snow
Actual:
37 | 31 0.06
Average:
40 | 24 0.08
Snow
Actual:
33 | 22 T
Average:
40 | 24 0.09
Partly Cloudy
Actual:
43 | 21 0.00
Average:
40 | 24 0.08
Snow
Actual:
39 | 31 0.22
Average:
40 | 24 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

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 70 59 48 53 49 41 89 73 57 30.11 30.02 29.92 10 9 6 22 11 29 0.00  
2 75 69 62 59 56 54 84 67 50 30.03 29.98 29.93 10 10 8 18 9 24 0.03 Rain
3 74 69 63 59 57 54 90 70 49 29.99 29.93 29.85 10 9 7 25 14 33 0.00  
4 66 54 42 55 45 35 93 72 51 30.32 30.14 29.91 10 8 3 18 5 23 0.30 Rain
5 54 46 37 36 34 32 85 66 46 30.40 30.30 30.17 10 10 10 12 5 13 0.00  
6 53 45 37 41 37 32 85 70 54 30.15 30.03 29.95 10 10 8 10 6 13 0.00  
7 56 51 46 50 46 41 93 85 77 29.94 29.87 29.82 10 5 2 10 4 16 0.05 Rain
8 49 46 43 46 41 37 93 82 71 30.01 29.96 29.88 9 5 2 14 7 18 0.24 Rain
9 51 44 36 47 42 29 93 85 76 29.94 29.85 29.79 10 4 1 22 8 28 0.26 Rain , Thunderstorm
10 36 32 27 28 20 18 75 67 59 30.11 30.00 29.90 10 10 10 23 12 28 0.00  
11 43 33 23 22 19 17 81 59 36 30.26 30.16 30.12 10 10 10 14 4 17 0.00  
12 51 38 24 24 20 16 75 50 24 30.36 30.31 30.26 10 10 10 12 5 15 0.00  
13 57 43 28 24 22 18 75 48 21 30.33 30.27 30.19 10 10 10 14 8 16 0.00  
14 58 45 31 38 28 24 72 53 33 30.24 30.14 29.98 10 10 6 15 6 18 0.04 Rain
15 65 55 44 47 44 37 89 69 48 29.95 29.73 29.60 10 9 4 23 11 33 0.35 Rain
16 54 47 39 42 40 36 89 78 66 29.77 29.73 29.67 10 10 7 12 6 17 0.00  
17 42 39 36 38 36 30 92 86 79 29.83 29.74 29.69 9 5 1 13 6 15 0.07 Rain
18 60 47 33 35 32 29 82 59 36 29.94 29.80 29.68 10 9 6 22 9 28 0.00  
19 53 42 30 46 36 27 82 74 65 30.03 29.83 29.53 9 6 3 20 10 24 0.07 Rain , Thunderstorm
20 56 42 27 52 34 17 89 74 59 29.98 29.52 29.25 10 7 1 45 25 67 0.31 Rain , Snow , Thunderstorm
21 37 31 24 16 15 13 68 54 40 30.35 30.24 30.01 10 10 10 35 17 44 0.00  
22 47 34 20 24 18 14 77 53 28 30.34 30.17 29.97 10 10 10 16 7 18 0.00  
23 50 40 30 31 27 22 82 62 42 29.99 29.94 29.88 10 10 10 13 4 16 0.00  
24 35 30 24 30 24 14 85 74 62 30.18 30.00 29.84 10 6 3 18 10 23 0.00  
25 35 30 24 24 21 14 81 72 62 30.30 30.17 30.03 10 8 5 21 11 26 0.00  
26 33 31 29 23 21 20 72 67 61 30.21 30.07 29.93 10 10 9 24 14 31 T Snow
27 35 32 28 23 21 19 75 66 56 30.25 30.17 30.11 10 10 8 16 7 21 0.00  
28 37 34 31 30 27 23 89 80 70 30.09 29.99 29.90 10 6 1 14 5 17 0.06 Snow
29 33 28 22 28 22 15 85 72 58 30.38 30.15 29.93 10 7 3 23 10 28 T Snow
30 43 32 21 25 20 15 77 60 43 30.47 30.37 30.24 10 10 9 15 7 20 0.00  
31 39 35 31 32 28 20 96 72 48 30.24 30.15 30.09 10 3 0 16 5 20 0.22 Fog , Snow