Weather History for Leesburg, VA

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Month of July, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 96 °F 87 °F 75 °F
Mean Temperature 86 °F 78 °F 69 °F
Min Temperature 77 °F 69 °F 59 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 22 13 4 414
Growing Degree Days (base 50) 36 28 19 875
Dew Point  
Dew Point 81 °F 71 °F 54 °F
Precipitation  
Precipitation 0.85 in 0.10 in 0.00 in 3.22 in
Snowdepth - - - -
Wind  
Wind 21 mph 4 mph 0 mph
Gust Wind 30 mph 17 mph 9 mph
Sea Level Pressure  
Sea Level Pressure 30.36 in 30.07 in 29.68 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Jul. 25, 2013 Rise Set
Actual Time 6:04 AM EDT 8:28 PM EDT
Civil Twilight 5:34 AM EDT 8:58 PM EDT
Nautical Twilight 4:56 AM EDT 9:35 PM EDT
Astronomical Twilight 4:15 AM EDT 10:17 PM EDT
Moon 10:10 PM EDT (7/25) 9:29 AM EDT (7/25)
Length of Visible Light 15h 23m
Length of Day
14h 23m
Waning Gibbous, 88% of the Moon is Illuminated
Jul 25
Waning Gibbous
Jul 29
Last Quarter
Aug 6
New
Aug 14
First Quarter
Aug 20
Full

Weather History Calendar

Precipitation Actual month total 3.22 Average Month Total: 0.36
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
84 | 71 0.01
Average:
- | - 0.02
Rain
Actual:
84 | 73 0.03
Average:
- | - 0.02
Rain
Actual:
86 | 71 0.32
Average:
- | - 0.02
Partly Cloudy
Actual:
89 | 73 0.00
Average:
- | - 0.02
Scattered Clouds
Actual:
91 | 71 0.00
Average:
- | - 0.02
Scattered Clouds
Actual:
95 | 71 0.00
Average:
- | - 0.01
Thunderstorm
Actual:
91 | 69 0.34
Average:
- | - 0.01
Scattered Clouds
Actual:
87 | 69 0.00
Average:
- | - 0.01
Rain
Actual:
87 | 71 0.00
Average:
- | - 0.01
Rain
Actual:
89 | 73 0.00
Average:
- | - 0.01
Thunderstorm
Actual:
86 | 71 0.00
Average:
- | - 0.01
Thunderstorm
Actual:
75 | 68 0.85
Average:
- | - 0.01
Thunderstorm
Actual:
84 | 69 0.00
Average:
- | - 0.01
Rain
Actual:
91 | 73 0.00
Average:
- | - 0.01
Clear
Actual:
93 | 71 0.00
Average:
- | - 0.01
Scattered Clouds
Actual:
95 | 75 0.00
Average:
- | - 0.01
Partly Cloudy
Actual:
95 | 73 0.00
Average:
- | - 0.01
Scattered Clouds
Actual:
96 | 73 0.00
Average:
- | - 0.01
Clear
Actual:
96 | 77 0.00
Average:
- | - 0.01
Thunderstorm
Actual:
95 | 73 0.01
Average:
- | - 0.01
Thunderstorm
Actual:
89 | 71 0.09
Average:
- | - 0.01
Thunderstorm
Actual:
89 | 71 0.47
Average:
- | - 0.01
Partly Cloudy
Actual:
86 | 71 0.00
Average:
- | - 0.01
Scattered Clouds
Actual:
82 | 68 0.00
Average:
- | - 0.01
Scattered Clouds
Actual:
78 | 60 0.00
Average:
- | - 0.01
Scattered Clouds
Actual:
82 | 59 0.00
Average:
- | - 0.01
Thunderstorm
Actual:
86 | 62 0.46
Average:
- | - 0.01
Thunderstorm
Actual:
82 | 69 0.28
Average:
- | - 0.01
Scattered Clouds
Actual:
80 | 60 0.01
Average:
- | - 0.01
Scattered Clouds
Actual:
82 | 59 0.00
Average:
- | - 0.01
Rain
Actual:
80 | 62 0.35
Average:
- | - 0.01
 

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

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Jul high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 84 78 71 75 72 72 100 86 66 29.99 29.93 29.87 10 10 10 14 6 18 0.01 Rain
2 84 78 73 77 74 73 100 91 70 30.19 30.10 29.99 10 10 10 17 8 22 0.03 Rain
3 86 78 71 79 75 72 100 94 70 30.25 30.22 30.18 10 10 4 13 8 20 0.32 Rain
4 89 81 73 75 74 72 100 80 55 30.28 30.23 30.18 10 10 10 15 8 21 0.00  
5 91 81 71 75 73 72 100 79 55 30.25 30.21 30.14 10 10 7 16 6 22 0.00  
6 95 83 71 75 73 72 100 76 49 30.22 30.16 30.09 10 10 5 14 4 18 0.00  
7 91 80 69 77 73 70 100 84 55 30.13 30.09 30.02 10 10 2 21 4 30 0.34 Rain , Thunderstorm
8 87 78 69 73 70 68 100 80 52 30.14 30.10 30.06 10 10 10 9 3 9 0.00  
9 87 79 71 77 73 70 100 85 62 30.13 30.09 30.02 10 10 10 10 3 - 0.00 Rain
10 89 81 73 79 75 72 100 87 62 30.03 29.97 29.89 10 10 4 15 4 21 0.00 Rain
11 86 80 71 73 71 68 100 80 55 29.95 29.92 29.88 10 10 7 13 5 17 0.00 Rain , Thunderstorm
12 75 72 68 72 69 68 100 95 83 30.07 30.01 29.95 10 8 3 13 6 16 0.85 Rain , Thunderstorm
13 84 76 69 75 72 70 100 88 66 30.29 30.17 30.06 10 10 4 7 3 - 0.00 Thunderstorm
14 91 82 73 77 74 70 100 80 49 30.36 30.32 30.29 10 9 2 9 3 - 0.00 Rain
15 93 82 71 77 74 72 100 78 52 30.33 30.29 30.22 10 10 7 9 3 - 0.00  
16 95 85 75 77 73 66 100 72 41 30.28 30.24 30.20 10 10 10 13 5 17 0.00  
17 95 84 73 77 74 68 100 72 44 30.25 30.20 30.12 10 10 10 9 2 - 0.00  
18 96 84 73 81 77 73 100 76 53 30.14 30.10 30.03 10 10 4 9 3 - 0.00  
19 96 86 77 79 77 72 100 77 50 30.04 29.98 29.90 10 8 3 10 4 - 0.00  
20 95 84 73 77 74 70 100 76 52 29.93 29.89 29.82 10 10 4 13 3 20 0.01 Rain , Thunderstorm
21 89 80 71 77 73 72 100 88 55 29.97 29.94 29.90 10 9 4 8 2 16 0.09 Rain , Thunderstorm
22 89 80 71 77 73 72 100 85 55 29.96 29.88 29.78 10 9 2 15 3 29 0.47 Rain , Thunderstorm
23 86 78 71 75 72 68 100 83 55 29.78 29.73 29.68 10 10 7 15 4 22 0.00  
24 82 75 68 72 66 59 100 72 51 29.95 29.82 29.72 10 10 10 14 6 18 0.00  
25 78 69 60 63 58 54 94 67 44 30.07 30.01 29.95 10 10 10 10 7 17 0.00  
26 82 70 59 64 62 59 100 74 45 30.12 30.08 30.05 10 10 10 10 2 - 0.00  
27 86 74 62 73 69 63 100 91 62 30.07 30.00 29.95 10 10 1 17 4 23 0.46 Rain , Thunderstorm
28 82 76 69 73 71 66 100 87 58 30.02 29.94 29.91 10 9 4 9 5 - 0.28 Rain , Thunderstorm
29 80 70 60 70 61 57 100 73 45 30.19 30.11 30.02 10 9 2 12 3 16 0.01  
30 82 70 59 68 62 59 100 75 48 30.26 30.20 30.16 10 10 7 7 2 - 0.00  
31 80 71 62 72 67 63 100 89 65 30.18 30.12 30.03 10 9 4 10 2 - 0.35 Rain