Weather History for Hilton Head Island, SC

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 73 °F 64 °F 46 °F
Mean Temperature 66 °F 55 °F 42 °F
Min Temperature 60 °F 47 °F 32 °F
Degree Days  
Heating Degree Days (base 65) 24 10 0 302
Cooling Degree Days (base 65) 1 0 0 1
Growing Degree Days (base 50) 16 6 0 201
Dew Point  
Dew Point 70 °F 51 °F 18 °F
Precipitation  
Precipitation 0.56 in 0.03 in 0.00 in 0.78 in
Snowdepth - - - -
Wind  
Wind 102 mph 5 mph 0 mph
Gust Wind 44 mph 21 mph 14 mph
Sea Level Pressure  
Sea Level Pressure 30.45 in 30.10 in 29.60 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 29, 2012 Rise Set
Actual Time 7:23 AM EST 5:27 PM EST
Civil Twilight 6:56 AM EST 5:54 PM EST
Nautical Twilight 6:25 AM EST 6:24 PM EST
Astronomical Twilight 5:55 AM EST 6:54 PM EST
Moon 6:52 PM EST (12/29) 8:00 AM EST (12/29)
Length of Visible Light 10h 57m
Length of Day
10h 03m
Full, 98% of the Moon is Illuminated
Dec 29
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

Weather History Calendar

Precipitation Actual month total 0.78 Average Month Total: 3.01
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Scattered Clouds
Actual:
68 | 55 0.00
Average:
64 | 43 0.12
Scattered Clouds
Actual:
69 | 57 0.00
Average:
64 | 44 0.08
Fog
Actual:
69 | 55 0.00
Average:
64 | 43 0.18
Partly Cloudy
Actual:
71 | 53 0.00
Average:
64 | 42 0.04
Clear
Actual:
71 | 50 0.00
Average:
62 | 41 0.04
Partly Cloudy
Actual:
64 | 57 0.00
Average:
62 | 41 0.12
Thunderstorm
Actual:
60 | 51 0.00
Average:
63 | 42 0.13
Clear
Actual:
66 | 48 0.00
Average:
63 | 41 0.17
Fog
Actual:
73 | 53 0.00
Average:
64 | 42 0.04
Fog
Actual:
69 | 60 0.00
Average:
64 | 42 0.11
Rain
Actual:
71 | 60 0.00
Average:
63 | 43 0.12
Rain
Actual:
69 | 50 0.02
Average:
63 | 43 0.14
Overcast
Actual:
46 | 44 0.00
Average:
63 | 42 0.05
Scattered Clouds
Actual:
59 | 44 0.00
Average:
63 | 43 0.08
Rain
Actual:
60 | 50 0.00
Average:
63 | 41 0.18
Fog
Actual:
71 | 53 0.00
Average:
62 | 41 0.11
Rain
Actual:
73 | 59 0.00
Average:
60 | 38 0.06
Scattered Clouds
Actual:
66 | 44 0.00
Average:
60 | 36 0.06
Clear
Actual:
68 | 41 0.00
Average:
61 | 35 0.08
Rain
Actual:
69 | 44 0.20
Average:
63 | 41 0.06
Clear
Actual:
57 | 42 0.00
Average:
61 | 40 0.05
Clear
Actual:
57 | 37 0.00
Average:
61 | 39 0.03
Scattered Clouds
Actual:
60 | 35 0.00
Average:
61 | 40 0.08
Rain
Actual:
60 | 46 0.00
Average:
62 | 42 0.15
Thunderstorm
Actual:
59 | 53 0.00
Average:
60 | 40 0.06
Thunderstorm
Actual:
68 | 42 0.00
Average:
59 | 39 0.06
Scattered Clouds
Actual:
55 | 35 0.00
Average:
59 | 37 0.08
Clear
Actual:
55 | 33 0.00
Average:
61 | 41 0.14
Rain
Actual:
60 | 42 0.56
Average:
61 | 41 0.15
Clear
Actual:
51 | 32 0.00
Average:
61 | 41 0.08
Scattered Clouds
Actual:
57 | 32 0.00
Average:
62 | 43 0.16
 

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 62 55 61 57 54 100 92 68 30.38 30.33 30.30 10 10 9 9 5 - 0.00  
2 69 63 57 64 61 55 100 94 68 30.40 30.33 30.29 10 10 7 7 4 - 0.00  
3 69 62 55 63 58 55 100 96 73 30.36 30.31 30.28 10 6 0 6 2 - 0.00 Fog
4 71 62 53 63 57 54 100 94 64 30.37 30.29 30.27 10 8 2 6 0 - 0.00  
5 71 60 50 70 55 50 100 94 50 30.26 30.19 30.12 10 9 3 5 0 - 0.00  
6 64 60 57 57 56 54 100 91 73 30.18 30.14 30.11 15 10 5 14 9 21 0.00  
7 60 56 51 57 54 50 100 95 77 30.11 30.06 30.00 10 8 1 13 8 17 0.00 Thunderstorm
8 66 57 48 57 52 48 100 93 64 30.11 30.06 30.03 10 6 2 4 0 - 0.00  
9 73 63 53 64 59 54 100 95 73 30.16 30.07 30.00 10 6 0 6 0 - 0.00 Fog
10 69 64 60 66 63 61 100 96 78 30.00 29.90 29.82 10 5 0 9 4 - 0.00 Fog
11 71 66 60 64 63 59 100 96 78 30.09 29.95 29.83 10 8 1 9 5 - 0.00 Rain
12 69 60 50 61 56 50 100 97 56 30.19 30.11 30.08 10 8 2 10 7 21 0.02 Rain
13 46 45 44 43 43 41 93 90 87 30.31 30.29 30.23 10 9 2 17 11 18 0.00  
14 59 52 44 45 43 41 93 73 59 30.37 30.27 30.07 10 10 8 14 7 - 0.00  
15 60 55 50 57 55 43 100 95 76 30.24 30.15 30.04 10 7 3 9 4 - 0.00 Rain
16 71 62 53 63 59 54 100 96 73 30.13 30.03 29.94 10 5 0 8 1 17 0.00 Fog
17 73 66 59 64 62 59 100 96 65 29.93 29.86 29.76 10 9 1 16 8 29 0.00 Rain
18 66 55 44 63 51 30 100 85 26 30.04 29.90 29.80 10 10 5 17 8 23 0.00  
19 68 54 41 50 43 32 100 86 26 30.15 30.09 30.04 10 10 9 12 4 - 0.00  
20 69 56 44 64 54 45 100 94 64 30.14 29.97 29.73 10 8 1 20 3 31 0.20 Rain
21 57 50 42 57 41 21 100 82 33 30.06 29.95 29.82 10 10 10 20 14 34 0.00  
22 57 47 37 45 36 18 100 82 23 30.22 30.15 30.06 10 10 10 18 11 29 0.00  
23 60 48 35 54 41 25 100 84 27 30.25 30.18 30.13 10 10 10 8 5 - 0.00  
24 60 53 46 57 50 39 100 90 48 30.16 30.05 29.96 10 10 10 8 4 - 0.00 Rain
25 59 56 53 59 55 54 100 97 82 30.07 29.99 29.91 10 7 2 9 5 17 0.00 Rain , Thunderstorm
26 68 55 42 63 52 37 100 92 52 29.91 29.80 29.60 10 8 2 21 10 44 0.00 Rain , Thunderstorm
27 55 45 35 43 38 32 100 90 47 30.10 30.00 29.90 10 10 6 102 10 24 0.00  
28 55 44 33 54 43 34 100 94 62 30.16 30.06 29.94 10 8 5 7 1 - 0.00  
29 60 52 42 61 50 39 100 93 62 30.13 29.91 29.72 10 8 2 17 7 34 0.56 Rain
30 51 42 32 52 35 25 100 88 37 30.45 30.32 30.13 10 10 10 12 8 23 0.00  
31 57 44 32 48 37 23 100 89 54 30.44 30.36 30.24 10 9 4 8 1 - 0.00