Weather History for Key West, FL

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 83 °F 78 °F 65 °F
Mean Temperature 80 °F 74 °F 62 °F
Min Temperature 77 °F 69 °F 57 °F
Degree Days  
Heating Degree Days (base 65) 3 0 0 4
Cooling Degree Days (base 65) 15 9 0 270
Growing Degree Days (base 50) 30 23 12 713
Dew Point  
Dew Point 76 °F 66 °F 40 °F
Precipitation  
Precipitation 0.49 in 0.02 in 0.00 in 0.67 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 29 mph 8 mph 0 mph
Gust Wind 39 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.29 in 30.06 in 29.89 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 17, 2012 Rise Set
Actual Time 7:04 AM EST 5:42 PM EST
Civil Twilight 6:39 AM EST 6:06 PM EST
Nautical Twilight 6:11 AM EST 6:35 PM EST
Astronomical Twilight 5:43 AM EST 7:03 PM EST
Moon 10:37 AM EST 10:33 PM EST
Length of Visible Light 11h 27m
Length of Day
10h 37m
Waxing Crescent, 24% of the Moon is Illuminated
Dec 17
Waxing Crescent
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New

Weather History Calendar

Precipitation Actual month total 0.67 Normal Month Total: 2.22
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Scattered Clouds
Actual:
77 | 67 0.00
Average:
78 | 69 0.08
Scattered Clouds
Actual:
79 | 67 0.00
Average:
78 | 69 0.08
Rain
Actual:
80 | 71 0.01
Average:
78 | 69 0.08
Rain
Actual:
78 | 68 0.03
Average:
78 | 69 0.09
Rain
Actual:
76 | 68 0.49
Average:
77 | 69 0.08
Rain
Actual:
79 | 69 0.08
Average:
77 | 69 0.08
Clear
Actual:
80 | 69 0.00
Average:
77 | 68 0.09
Rain
Actual:
82 | 72 0.05
Average:
77 | 68 0.08
Fog
Actual:
83 | 72 0.00
Average:
77 | 68 0.08
Scattered Clouds
Actual:
82 | 76 0.00
Average:
77 | 68 0.08
Clear
Actual:
82 | 77 0.00
Average:
77 | 68 0.07
Clear
Actual:
82 | 76 0.00
Average:
76 | 68 0.08
Partly Cloudy
Actual:
80 | 72 0.00
Average:
76 | 67 0.07
Partly Cloudy
Actual:
74 | 68 0.00
Average:
76 | 67 0.07
Clear
Actual:
77 | 70 0.00
Average:
76 | 67 0.07
Scattered Clouds
Actual:
80 | 73 0.00
Average:
76 | 67 0.07
Scattered Clouds
Actual:
81 | 73 0.00
Average:
76 | 67 0.08
Partly Cloudy
Actual:
82 | 73 0.00
Average:
76 | 67 0.07
Scattered Clouds
Actual:
79 | 71 0.00
Average:
76 | 66 0.07
Scattered Clouds
Actual:
80 | 76 0.00
Average:
76 | 66 0.08
Partly Cloudy
Actual:
77 | 64 0.00
Average:
75 | 66 0.07
Clear
Actual:
65 | 59 0.00
Average:
75 | 66 0.07
Clear
Actual:
71 | 57 0.00
Average:
75 | 66 0.07
Scattered Clouds
Actual:
77 | 63 T
Average:
75 | 66 0.05
Scattered Clouds
Actual:
78 | 67 0.00
Average:
75 | 65 0.06
Partly Cloudy
Actual:
79 | 71 0.00
Average:
75 | 65 0.05
Partly Cloudy
Actual:
71 | 64 0.00
Average:
75 | 65 0.06
Partly Cloudy
Actual:
81 | 67 0.00
Average:
75 | 65 0.06
Rain
Actual:
79 | 70 0.01
Average:
75 | 65 0.06
Scattered Clouds
Actual:
70 | 59 0.00
Average:
75 | 65 0.06
Partly Cloudy
Actual:
75 | 64 0.00
Average:
74 | 65 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 77 72 67 68 65 61 100 82 64 30.17 30.13 30.09 10 10 10 16 11 24 0.00  
2 79 73 67 66 66 64 93 78 62 30.21 30.15 30.12 10 10 10 15 9 23 0.00  
3 80 76 71 66 64 58 84 71 58 30.21 30.16 30.13 10 10 10 17 9 22 0.01 Rain
4 78 73 68 68 63 59 79 70 60 30.21 30.16 30.12 10 10 7 17 8 23 0.03 Rain
5 76 72 68 68 66 64 90 80 69 30.13 30.07 30.01 10 9 5 12 7 16 0.49 Rain
6 79 74 69 70 68 65 97 86 74 30.01 29.96 29.92 10 10 10 12 5 16 0.08 Rain
7 80 75 69 72 69 67 97 86 74 29.98 29.94 29.90 10 10 10 9 5 12 0.00  
8 82 77 72 72 71 69 93 84 74 30.04 29.98 29.94 10 10 5 12 5 15 0.05 Rain
9 83 78 72 75 73 71 100 87 74 30.08 30.03 29.99 10 8 0 10 4 12 0.00 Fog
10 82 79 76 76 75 73 94 90 85 30.01 29.97 29.90 10 10 7 15 9 26 0.00  
11 82 80 77 76 75 74 91 85 79 30.05 29.99 29.94 10 10 8 12 6 18 0.00  
12 82 79 76 75 74 71 91 83 74 30.09 30.05 30.02 10 10 10 21 9 24 0.00  
13 80 76 72 74 70 66 94 87 79 30.12 30.09 30.04 10 10 9 18 7 24 0.00  
14 74 71 68 68 66 64 93 83 73 30.13 30.08 30.04 10 10 9 17 11 23 0.00  
15 77 74 70 69 67 65 90 82 73 30.10 30.05 30.02 10 10 10 13 8 18 0.00  
16 80 77 73 68 67 65 84 73 62 30.03 29.99 29.94 10 10 10 14 8 21 0.00  
17 81 77 73 71 69 66 87 78 69 29.99 29.96 29.92 10 10 10 14 7 17 0.00  
18 82 78 73 73 71 68 87 77 67 30.04 29.99 29.94 10 10 10 12 5 13 0.00  
19 79 75 71 71 70 68 93 82 71 30.09 30.05 30.02 10 10 10 13 6 16 0.00  
20 80 78 76 70 67 65 76 67 58 30.08 30.04 29.99 10 10 10 17 10 22 0.00  
21 77 71 64 70 59 50 87 73 59 30.20 30.10 30.01 10 10 9 29 16 39 0.00  
22 65 62 59 48 44 41 63 55 46 30.29 30.23 30.19 10 10 10 21 12 28 0.00  
23 71 64 57 58 52 40 78 63 47 30.23 30.18 30.12 10 10 10 13 6 17 0.00  
24 77 70 63 63 60 57 87 76 64 30.12 30.06 30.01 10 10 10 12 5 14 T  
25 78 73 67 69 64 61 97 79 60 30.03 29.97 29.92 10 10 10 18 10 23 0.00  
26 79 75 71 73 71 65 94 87 79 30.02 29.95 29.89 10 10 8 22 11 29 0.00  
27 71 68 64 64 58 53 84 73 61 30.09 30.04 29.99 10 10 10 16 8 21 0.00  
28 81 74 67 73 67 57 87 78 68 30.05 30.01 29.95 10 10 10 14 5 20 0.00  
29 79 75 70 73 71 62 94 87 79 30.14 30.03 29.94 10 10 7 21 10 29 0.01 Rain
30 70 65 59 61 55 48 78 69 60 30.27 30.21 30.14 10 10 10 22 13 30 0.00  
31 75 70 64 63 60 58 84 72 60 30.26 30.21 30.16 10 10 10 20 11 25 0.00