Weather History for Charleston, SC

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Month of May, 2014

  Max Avg Min Sum
Temperature  
Max Temperature 97 °F 87 °F 69 °F
Mean Temperature 84 °F 76 °F 66 °F
Min Temperature 72 °F 66 °F 51 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 19 11 1 352
Growing Degree Days (base 50) 34 26 16 809
Dew Point  
Dew Point 73 °F 61 °F 39 °F
Precipitation  
Precipitation 0.96 in 0.06 in 0.00 in 1.49 in
Snowdepth - - - -
Wind  
Wind 30 mph 8 mph 0 mph
Gust Wind 37 mph 20 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.31 in 30.08 in 29.86 in

Monthly Weather History Graph

Monthly Weather History Graph

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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

May. 08, 2014 Rise Set
Actual Time 6:26 AM EDT 8:07 PM EDT
Civil Twilight 5:59 AM EDT 8:34 PM EDT
Nautical Twilight 5:27 AM EDT 9:06 PM EDT
Astronomical Twilight 4:53 AM EDT 9:40 PM EDT
Moon 2:25 PM EDT (5/8) 2:36 AM EDT (5/8)
Length of Visible Light 14h 34m
Length of Day
13h 40m
Waxing Gibbous, 64% of the Moon is Illuminated
May 8
Waxing Gibbous
May 14
Full
May 21
Last Quarter
May 28
New
Jun 5
First Quarter

Weather History Calendar

Precipitation Actual month total 1.49 Normal Month Total: 3.02
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
84 | 67 0.00
Average:
80 | 57 0.09
Mostly Cloudy
Actual:
69 | 62 T
Average:
80 | 58 0.09
Rain
Actual:
80 | 60 T
Average:
80 | 58 0.10
Clear
Actual:
87 | 56 0.00
Average:
81 | 58 0.09
Clear
Actual:
95 | 66 0.00
Average:
81 | 58 0.10
Clear
Actual:
93 | 69 0.00
Average:
81 | 59 0.09
Clear
Actual:
92 | 66 0.00
Average:
81 | 59 0.09
Fog
Actual:
91 | 65 0.00
Average:
82 | 59 0.09
Fog
Actual:
90 | 69 0.00
Average:
82 | 60 0.10
Partly Cloudy
Actual:
87 | 71 0.00
Average:
82 | 60 0.09
Thunderstorm
Actual:
88 | 72 0.23
Average:
82 | 60 0.08
Scattered Clouds
Actual:
90 | 70 0.00
Average:
83 | 61 0.09
Fog
Actual:
89 | 69 0.00
Average:
83 | 61 0.08
Partly Cloudy
Actual:
87 | 66 0.00
Average:
83 | 61 0.09
Thunderstorm
Actual:
82 | 69 0.96
Average:
83 | 62 0.08
Scattered Clouds
Actual:
79 | 57 0.00
Average:
83 | 62 0.09
Clear
Actual:
80 | 51 0.00
Average:
84 | 62 0.09
Rain
Actual:
77 | 57 T
Average:
84 | 63 0.09
Rain
Actual:
77 | 56 0.03
Average:
84 | 63 0.09
Scattered Clouds
Actual:
81 | 53 0.00
Average:
84 | 63 0.09
Scattered Clouds
Actual:
91 | 60 0.00
Average:
84 | 63 0.10
Scattered Clouds
Actual:
95 | 70 0.00
Average:
85 | 64 0.10
Scattered Clouds
Actual:
97 | 71 0.00
Average:
85 | 64 0.11
Partly Cloudy
Actual:
87 | 68 0.00
Average:
85 | 64 0.11
Partly Cloudy
Actual:
85 | 69 T
Average:
85 | 65 0.11
Rain
Actual:
88 | 70 T
Average:
85 | 65 0.11
Partly Cloudy
Actual:
90 | 69 0.00
Average:
85 | 65 0.11
Partly Cloudy
Actual:
92 | 71 T
Average:
86 | 65 0.12
Partly Cloudy
Actual:
94 | 69 T
Average:
86 | 66 0.11
Thunderstorm
Actual:
87 | 72 0.26
Average:
86 | 66 0.12
Thunderstorm
Actual:
82 | 71 0.01
Average:
86 | 66 0.12
 

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

2014 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
May high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 84 76 67 67 65 62 90 72 54 29.98 29.95 29.90 10 10 6 16 8 22 0.00  
2 69 66 62 64 56 51 84 71 58 29.97 29.94 29.91 10 10 10 15 5 18 T  
3 80 70 60 57 51 42 78 53 28 30.00 29.94 29.90 10 10 10 15 6 20 T Rain
4 87 72 56 53 49 45 77 50 23 30.06 30.00 29.95 10 10 10 18 8 22 0.00  
5 95 81 66 62 55 51 73 49 24 30.01 29.95 29.88 10 10 10 16 9 21 0.00  
6 93 81 69 63 58 53 70 48 26 30.00 29.96 29.91 10 10 10 18 9 26 0.00  
7 92 79 66 62 59 54 81 55 28 30.15 30.09 30.01 10 10 10 15 7 20 0.00  
8 91 78 65 69 65 58 93 63 32 30.25 30.19 30.14 10 10 9 16 8 21 0.00 Fog
9 90 80 69 72 66 56 97 65 32 30.22 30.17 30.12 10 9 3 20 10 25 0.00 Fog
10 87 79 71 71 68 65 93 70 46 30.17 30.12 30.07 10 10 7 23 12 28 0.00  
11 88 80 72 72 69 64 93 72 50 30.16 30.13 30.09 10 9 2 21 5 29 0.23 Rain , Thunderstorm
12 90 80 70 70 68 64 93 72 50 30.22 30.16 30.12 10 9 5 16 7 20 0.00  
13 89 79 69 70 67 62 93 70 46 30.19 30.16 30.13 10 10 7 15 6 20 0.00 Fog
14 87 77 66 69 66 64 90 69 48 30.17 30.13 30.07 10 10 8 21 10 24 0.00  
15 82 76 69 73 71 67 93 81 69 30.07 29.96 29.86 10 9 2 30 15 37 0.96 Rain , Thunderstorm
16 79 68 57 66 52 42 90 59 28 30.10 29.97 29.88 10 10 6 20 10 28 0.00  
17 80 66 51 52 45 39 77 52 27 30.22 30.17 30.10 10 10 10 15 7 26 0.00  
18 77 67 57 58 54 49 86 64 41 30.22 30.19 30.17 10 10 10 16 4 20 T Rain
19 77 67 56 58 51 44 90 64 38 30.27 30.24 30.19 10 10 10 20 7 22 0.03 Rain
20 81 67 53 56 51 47 89 60 30 30.31 30.24 30.19 10 10 10 15 5 20 0.00  
21 91 76 60 67 61 54 84 61 38 30.19 30.12 30.04 10 10 10 18 9 24 0.00  
22 95 83 70 66 62 57 84 57 30 30.04 29.99 29.92 10 10 10 17 9 23 0.00  
23 97 84 71 69 65 61 74 52 30 30.01 29.97 29.94 10 10 10 18 6 22 0.00  
24 87 78 68 63 59 53 78 56 34 30.10 30.05 29.97 10 10 10 15 7 18 0.00  
25 85 77 69 67 61 56 84 62 40 30.21 30.15 30.09 10 10 10 15 6 17 T  
26 88 79 70 67 64 61 84 62 40 30.25 30.19 30.15 10 10 10 21 8 26 T Rain
27 90 80 69 71 69 66 90 72 53 30.18 30.12 30.04 10 10 10 18 9 24 0.00  
28 92 82 71 72 68 62 87 63 38 30.08 30.04 29.98 10 10 10 15 8 20 T  
29 94 82 69 70 66 61 90 63 36 30.09 30.03 29.98 10 10 9 20 5 22 T  
30 87 80 72 72 69 66 87 69 51 30.10 30.06 30.01 10 9 6 18 3 - 0.26 Fog , Rain , Thunderstorm
31 82 77 71 73 70 65 94 84 73 30.15 30.09 30.06 10 9 3 15 5 21 0.01 Fog , Rain , Thunderstorm