Weather History for San Juan, PR

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Month of July, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 92 °F 89 °F 83 °F
Mean Temperature 86 °F 84 °F 79 °F
Min Temperature 81 °F 79 °F 74 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 21 19 14 590
Growing Degree Days (base 50) 36 34 28 1044
Dew Point  
Dew Point 83 °F 74 °F 69 °F
Precipitation  
Precipitation 1.56 in 0.30 in 0.00 in 6.82 in
Snowdepth - - - -
Wind  
Wind 28 mph 10 mph 0 mph
Gust Wind 37 mph 23 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.13 in 30.02 in 29.93 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Jul. 07, 2012 Rise Set
Actual Time 5:53 AM AST 7:04 PM AST
Civil Twilight 5:29 AM AST 7:28 PM AST
Nautical Twilight 5:00 AM AST 7:57 PM AST
Astronomical Twilight 4:31 AM AST 8:26 PM AST
Moon 10:07 PM AST (7/7) 9:33 AM AST (7/7)
Length of Visible Light 13h 59m
Length of Day
13h 11m
Waning Gibbous, 82% of the Moon is Illuminated
Jul 7
Waning Gibbous
Jul 10
Last Quarter
Jul 19
New
Jul 26
First Quarter
Aug 1
Full

Weather History Calendar

Precipitation Actual month total 6.82 Normal Month Total: 5.07
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Scattered Clouds
Actual:
92 | 80 0.00
Average:
89 | 78 0.15
Thunderstorm
Actual:
90 | 78 0.41
Average:
89 | 78 0.15
Partly Cloudy
Actual:
91 | 80 T
Average:
89 | 78 0.16
Thunderstorm
Actual:
91 | 74 0.07
Average:
89 | 78 0.15
Thunderstorm
Actual:
83 | 74 1.28
Average:
89 | 78 0.15
Scattered Clouds
Actual:
90 | 77 T
Average:
89 | 78 0.16
Rain
Actual:
89 | 80 T
Average:
89 | 78 0.16
Rain
Actual:
90 | 78 0.12
Average:
89 | 78 0.16
Rain
Actual:
89 | 79 0.58
Average:
89 | 78 0.17
Partly Cloudy
Actual:
91 | 79 T
Average:
89 | 78 0.17
Partly Cloudy
Actual:
89 | 81 0.00
Average:
89 | 78 0.18
Rain
Actual:
88 | 79 0.08
Average:
89 | 78 0.17
Rain
Actual:
88 | 78 0.17
Average:
89 | 78 0.17
Rain
Actual:
91 | 78 0.01
Average:
89 | 78 0.18
Rain
Actual:
88 | 80 0.26
Average:
89 | 78 0.17
Partly Cloudy
Actual:
89 | 80 T
Average:
89 | 78 0.17
Rain
Actual:
88 | 79 0.01
Average:
89 | 78 0.17
Rain
Actual:
88 | 77 0.25
Average:
89 | 78 0.18
Rain
Actual:
89 | 78 0.39
Average:
89 | 78 0.17
Thunderstorm
Actual:
86 | 78 1.14
Average:
89 | 78 0.17
Rain
Actual:
91 | 78 0.05
Average:
89 | 78 0.17
Rain
Actual:
89 | 80 0.08
Average:
89 | 78 0.16
Partly Cloudy
Actual:
88 | 80 0.02
Average:
89 | 78 0.16
Partly Cloudy
Actual:
89 | 80 T
Average:
89 | 78 0.17
Scattered Clouds
Actual:
91 | 79 T
Average:
89 | 78 0.16
Scattered Clouds
Actual:
88 | 79 0.00
Average:
89 | 78 0.16
Partly Cloudy
Actual:
89 | 80 0.01
Average:
89 | 78 0.16
Rain
Actual:
88 | 77 0.16
Average:
89 | 78 0.16
Partly Cloudy
Actual:
89 | 80 T
Average:
89 | 78 0.15
Rain
Actual:
90 | 79 0.17
Average:
89 | 78 0.15
Thunderstorm
Actual:
84 | 76 1.56
Average:
89 | 78 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
Jul high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 92 86 80 75 73 72 79 68 56 30.06 30.03 30.00 10 10 9 23 11 29 0.00  
2 90 84 78 79 77 74 91 78 64 30.06 30.02 29.99 10 10 9 28 10 37 0.41 Thunderstorm
3 91 86 80 76 75 73 85 72 59 30.06 30.01 29.99 10 9 6 25 13 31 T  
4 91 83 74 77 73 70 93 75 56 30.03 29.99 29.95 10 10 4 25 12 33 0.07 Rain , Thunderstorm
5 83 79 74 83 74 70 100 90 79 30.05 29.99 29.94 10 9 1 16 3 28 1.28 Rain , Thunderstorm
6 90 84 77 75 74 72 85 72 59 30.04 30.01 29.98 10 9 6 23 10 28 T  
7 89 85 80 75 73 72 79 69 59 30.04 30.02 29.99 10 10 9 20 9 24 T Rain
8 90 84 78 75 73 72 85 74 63 30.04 30.00 29.96 10 10 9 20 8 24 0.12 Rain
9 89 84 79 75 73 71 85 73 61 30.03 29.98 29.96 10 10 10 23 4 26 0.58 Rain
10 91 85 79 77 74 71 85 71 56 30.06 30.00 29.96 10 9 7 23 11 26 T  
11 89 85 81 75 74 71 79 71 63 30.02 29.99 29.94 10 10 9 21 11 25 0.00  
12 88 84 79 75 72 70 85 72 59 30.00 29.95 29.93 10 10 10 21 8 24 0.08 Rain
13 88 83 78 74 73 71 79 71 63 30.04 29.98 29.93 10 10 10 20 6 23 0.17 Rain
14 91 85 78 77 73 69 85 69 52 30.09 30.04 29.99 10 10 10 23 9 28 0.01 Rain
15 88 84 80 79 76 74 91 80 68 30.09 30.05 30.01 10 9 7 24 12 30 0.26 Rain
16 89 85 80 76 75 73 85 72 59 30.07 30.03 29.99 10 9 7 23 12 28 T  
17 88 84 79 74 73 72 79 71 63 30.09 30.04 29.99 10 9 9 17 10 21 0.01 Rain
18 88 83 77 77 74 72 85 74 63 30.09 30.06 30.02 10 10 2 24 10 31 0.25 Rain
19 89 84 78 78 76 73 85 77 68 30.09 30.05 30.01 10 10 10 23 10 29 0.39 Rain
20 86 82 78 77 76 74 85 78 70 30.06 30.01 29.96 10 8 1 23 9 30 1.14 Rain , Thunderstorm
21 91 85 78 77 75 73 97 78 59 30.09 30.02 29.97 10 10 8 23 10 28 0.05 Rain
22 89 85 80 78 75 73 85 74 63 30.13 30.08 30.04 10 9 8 25 11 32 0.08 Rain
23 88 84 80 75 73 70 79 69 59 30.11 30.08 30.04 10 10 10 23 15 29 0.02  
24 89 85 80 76 74 72 79 71 63 30.09 30.05 30.01 10 10 9 23 12 29 T  
25 91 85 79 75 73 70 85 69 52 30.07 30.03 30.00 10 10 9 20 9 24 T  
26 88 84 79 74 73 71 79 71 63 30.08 30.04 30.01 10 10 9 21 10 26 0.00  
27 89 85 80 73 72 70 79 67 55 30.08 30.05 30.01 10 10 10 22 14 28 0.01  
28 88 83 77 77 75 72 85 75 65 30.06 30.03 29.99 10 10 8 21 11 26 0.16 Rain
29 89 85 80 77 75 74 79 72 65 30.03 30.00 29.96 10 10 10 17 10 23 T  
30 90 85 79 77 75 74 85 75 64 30.00 29.97 29.93 10 10 6 28 12 37 0.17 Rain
31 84 80 76 77 75 71 91 85 79 30.05 30.00 29.96 10 9 2 16 5 22 1.56 Rain , Thunderstorm