Weather History for San Antonio, TX

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 82 °F 69 °F 48 °F
Mean Temperature 74 °F 57 °F 39 °F
Min Temperature 68 °F 45 °F 27 °F
Degree Days  
Heating Degree Days (base 65) 26 9 0 284
Cooling Degree Days (base 65) 9 1 0 46
Growing Degree Days (base 50) 24 9 0 285
Dew Point  
Dew Point 70 °F 44 °F 1 °F
Precipitation  
Precipitation 0.24 in 0.02 in 0.00 in 0.37 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 40 mph 7 mph 0 mph
Gust Wind 53 mph 24 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.51 in 30.02 in 29.56 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 09, 2012 Rise Set
Actual Time 7:17 AM CST 5:35 PM CST
Civil Twilight 6:51 AM CST 6:01 PM CST
Nautical Twilight 6:21 AM CST 6:31 PM CST
Astronomical Twilight 5:52 AM CST 7:00 PM CST
Moon 3:05 AM CST (12/9) 2:31 PM CST (12/9)
Length of Visible Light 11h 10m
Length of Day
10h 17m
Waning Crescent, 18% of the Moon is Illuminated
Dec 9
Waning Crescent
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Weather History Calendar

Precipitation Actual month total 0.37 Normal Month Total: 1.91
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
80 | 68 0.00
Average:
67 | 45 0.06
Rain
Actual:
79 | 67 0.03
Average:
67 | 44 0.05
Partly Cloudy
Actual:
79 | 65 0.00
Average:
66 | 44 0.06
Rain
Actual:
79 | 56 T
Average:
66 | 44 0.05
Scattered Clouds
Actual:
76 | 46 0.00
Average:
66 | 43 0.06
Rain
Actual:
74 | 46 T
Average:
66 | 43 0.06
Rain
Actual:
76 | 59 T
Average:
65 | 43 0.07
Rain
Actual:
78 | 62 0.01
Average:
65 | 43 0.06
Thunderstorm
Actual:
78 | 57 T
Average:
65 | 43 0.06
Partly Cloudy
Actual:
57 | 34 0.00
Average:
65 | 42 0.07
Scattered Clouds
Actual:
55 | 31 0.00
Average:
65 | 42 0.05
Clear
Actual:
61 | 29 0.00
Average:
64 | 42 0.06
Partly Cloudy
Actual:
64 | 33 0.00
Average:
64 | 42 0.06
Rain
Actual:
71 | 55 0.02
Average:
64 | 42 0.06
Rain
Actual:
71 | 57 0.01
Average:
64 | 41 0.07
Rain
Actual:
71 | 49 0.04
Average:
64 | 41 0.06
Clear
Actual:
75 | 44 0.00
Average:
64 | 41 0.06
Scattered Clouds
Actual:
81 | 41 0.00
Average:
63 | 41 0.06
Mostly Cloudy
Actual:
82 | 63 0.00
Average:
63 | 41 0.06
Partly Cloudy
Actual:
70 | 31 0.00
Average:
63 | 41 0.06
Partly Cloudy
Actual:
61 | 27 0.00
Average:
63 | 41 0.07
Partly Cloudy
Actual:
66 | 35 0.00
Average:
63 | 41 0.06
Overcast
Actual:
68 | 57 0.00
Average:
63 | 41 0.06
Partly Cloudy
Actual:
71 | 45 0.00
Average:
63 | 41 0.07
Rain
Actual:
71 | 36 T
Average:
63 | 41 0.06
Partly Cloudy
Actual:
51 | 28 0.00
Average:
63 | 41 0.07
Mostly Cloudy
Actual:
48 | 29 T
Average:
63 | 41 0.06
Rain
Actual:
71 | 42 T
Average:
62 | 40 0.07
Partly Cloudy
Actual:
53 | 35 0.00
Average:
62 | 40 0.06
Rain
Actual:
54 | 30 0.02
Average:
62 | 40 0.07
Rain
Actual:
61 | 50 0.24
Average:
62 | 40 0.06
 

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 80 74 68 67 66 63 93 77 60 30.14 30.06 29.99 10 10 8 17 9 21 0.00  
2 79 73 67 68 66 61 100 81 62 30.16 30.07 30.00 10 8 2 20 9 25 0.03 Rain
3 79 72 65 66 64 61 100 78 56 30.08 30.00 29.93 10 10 8 16 8 23 0.00  
4 79 68 56 67 59 43 100 66 31 30.19 30.11 29.99 10 8 1 15 5 20 T Rain
5 76 61 46 42 36 29 66 42 18 30.23 30.13 30.03 10 10 10 10 4 13 0.00  
6 74 60 46 57 53 41 100 72 44 30.04 29.92 29.81 10 7 0 13 4 22 T Rain
7 76 68 59 64 62 59 100 82 64 29.90 29.82 29.74 10 7 0 13 4 16 T Fog , Rain
8 78 70 62 68 66 63 100 82 64 29.92 29.84 29.76 10 6 0 13 5 16 0.01 Fog , Rain
9 78 68 57 70 64 44 100 76 52 29.91 29.83 29.74 10 5 2 20 6 25 T Rain , Thunderstorm
10 57 46 34 43 23 13 62 46 29 30.12 30.04 29.88 10 10 10 32 13 41 0.00  
11 55 43 31 28 23 19 75 51 26 30.22 30.13 30.07 10 10 10 12 3 16 0.00  
12 61 45 29 30 24 20 78 50 22 30.31 30.24 30.18 10 10 10 9 5 16 0.00  
13 64 49 33 49 40 29 89 68 46 30.28 30.21 30.15 10 10 10 15 7 20 0.00  
14 71 63 55 66 58 50 100 86 72 30.12 30.00 29.85 10 8 2 18 7 23 0.02 Rain
15 71 64 57 67 56 46 100 72 44 29.95 29.88 29.82 10 8 1 14 3 17 0.01 Rain
16 71 60 49 64 56 46 100 72 44 29.88 29.81 29.75 10 8 1 17 4 23 0.04 Rain
17 75 60 44 44 35 27 86 52 17 29.98 29.90 29.85 10 10 10 17 6 21 0.00  
18 81 61 41 65 45 33 93 61 28 29.91 29.84 29.75 10 10 6 15 6 20 0.00  
19 82 73 63 68 63 38 100 76 51 29.84 29.74 29.61 10 9 6 28 10 33 0.00  
20 70 51 31 23 12 1 40 25 10 30.47 30.29 29.89 10 10 5 40 16 53 0.00  
21 61 44 27 20 12 6 58 35 12 30.51 30.42 30.35 10 10 10 13 4 14 0.00  
22 66 51 35 56 40 24 72 55 37 30.35 30.21 30.07 10 10 10 20 7 28 0.00  
23 68 63 57 58 56 54 100 84 68 30.08 29.97 29.88 10 10 7 13 5 17 0.00  
24 71 58 45 53 40 31 96 60 23 29.99 29.84 29.69 10 10 10 13 5 15 0.00  
25 71 54 36 63 40 20 93 55 17 30.11 29.77 29.56 10 10 6 35 17 46 T Rain
26 51 40 28 21 19 17 63 45 27 30.27 30.15 30.08 10 10 10 25 8 32 0.00  
27 48 39 29 46 34 21 93 74 55 30.07 29.93 29.80 10 8 2 9 3 10 T  
28 71 57 42 50 38 21 100 58 16 30.12 29.90 29.78 10 7 0 25 12 31 T Fog , Rain
29 53 44 35 27 21 16 64 45 26 30.45 30.36 30.14 10 10 10 25 5 33 0.00  
30 54 42 30 50 33 21 89 61 32 30.45 30.29 30.14 10 9 2 18 6 22 0.02 Rain
31 61 56 50 61 56 49 100 97 93 30.13 29.98 29.90 8 2 0 12 4 17 0.24 Fog , Rain