Weather History for San Juan, PR

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Month of August, 2014

  Max Avg Min Sum
Temperature  
Max Temperature 93 °F 88 °F 80 °F
Mean Temperature 87 °F 83 °F 78 °F
Min Temperature 81 °F 78 °F 75 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 22 18 13 572
Growing Degree Days (base 50) 37 33 28 1020
Dew Point  
Dew Point 82 °F 76 °F 51 °F
Precipitation  
Precipitation 3.64 in 0.33 in 0.00 in 9.79 in
Snowdepth - - - -
Wind  
Wind 26 mph 10 mph 0 mph
Gust Wind 33 mph 23 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.10 in 30.00 in 29.83 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Aug. 21, 2014 Rise Set
Actual Time 6:07 AM AST 6:46 PM AST
Civil Twilight 5:44 AM AST 7:09 PM AST
Nautical Twilight 5:18 AM AST 7:35 PM AST
Astronomical Twilight 4:51 AM AST 8:02 PM AST
Moon 2:47 AM AST (8/21) 4:00 PM AST (8/21)
Length of Visible Light 13h 24m
Length of Day
12h 39m
Waning Crescent, 13% of the Moon is Illuminated
Aug 21
Waning Crescent
Aug 25
New
Sep 2
First Quarter
Sep 8
Full
Sep 15
Last Quarter

Weather History Calendar

Precipitation Actual month total 9.79 Normal Month Total: 5.46
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
91 | 78 0.02
Average:
89 | 78 0.15
Thunderstorm
Actual:
82 | 75 1.36
Average:
89 | 78 0.15
Scattered Clouds
Actual:
89 | 78 0.00
Average:
89 | 78 0.15
Rain
Actual:
87 | 78 0.12
Average:
89 | 78 0.15
Rain
Actual:
88 | 79 0.17
Average:
89 | 78 0.15
Partly Cloudy
Actual:
90 | 79 0.04
Average:
89 | 78 0.14
Scattered Clouds
Actual:
90 | 79 0.01
Average:
89 | 78 0.15
Rain
Actual:
87 | 76 0.49
Average:
89 | 78 0.14
Rain
Actual:
89 | 77 0.07
Average:
89 | 78 0.16
Rain
Actual:
87 | 77 0.14
Average:
89 | 78 0.16
Rain
Actual:
88 | 77 0.32
Average:
89 | 78 0.17
Rain
Actual:
86 | 76 0.10
Average:
89 | 78 0.17
Scattered Clouds
Actual:
90 | 75 0.00
Average:
89 | 78 0.17
Partly Cloudy
Actual:
89 | 78 0.03
Average:
89 | 78 0.17
Rain
Actual:
88 | 79 0.00
Average:
89 | 78 0.18
Thunderstorm
Actual:
85 | 78 0.69
Average:
89 | 78 0.18
Partly Cloudy
Actual:
89 | 80 0.02
Average:
89 | 78 0.18
Partly Cloudy
Actual:
88 | 80 0.00
Average:
89 | 78 0.19
Partly Cloudy
Actual:
89 | 80 0.11
Average:
89 | 78 0.18
Thunderstorm
Actual:
88 | 76 0.40
Average:
89 | 78 0.18
Rain
Actual:
88 | 79 0.19
Average:
89 | 78 0.18
Thunderstorm
Actual:
80 | 76 1.59
Average:
89 | 78 0.19
Thunderstorm
Actual:
87 | 76 3.64
Average:
89 | 78 0.19
Rain
Actual:
92 | 76 0.15
Average:
89 | 78 0.19
Scattered Clouds
Actual:
92 | 77 0.00
Average:
89 | 78 0.20
Partly Cloudy
Actual:
93 | 81 T
Average:
89 | 78 0.20
Partly Cloudy
Actual:
90 | 81 0.02
Average:
89 | 78 0.20
Partly Cloudy
Actual:
90 | 81 0.01
Average:
89 | 78 0.21
Partly Cloudy
Actual:
87 | 77 0.02
Average:
89 | 78 0.21
Partly Cloudy
Actual:
90 | 78 0.06
Average:
89 | 78 0.21
Rain
Actual:
89 | 78 0.02
Average:
89 | 78 0.21
 

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
Aug high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 91 85 78 77 75 72 91 74 56 30.02 29.98 29.93 10 10 9 23 10 29 0.02 Rain
2 82 79 75 77 74 57 100 87 74 30.05 29.97 29.94 10 7 1 24 9 30 1.36 Rain , Thunderstorm
3 89 84 78 75 72 51 85 61 36 30.09 30.06 30.02 10 9 7 23 11 29 0.00  
4 87 83 78 78 75 73 91 81 70 30.09 30.05 30.01 10 10 9 24 13 33 0.12 Rain
5 88 84 79 80 78 76 94 84 74 30.07 30.04 30.00 10 10 7 22 11 26 0.17 Rain
6 90 85 79 77 76 74 97 80 63 30.06 30.02 29.98 10 10 10 23 11 29 0.04  
7 90 85 79 76 75 73 91 77 63 30.07 30.02 29.99 10 10 10 23 11 30 0.01  
8 87 82 76 78 76 74 91 81 70 30.09 30.05 30.02 10 9 1 26 11 31 0.49 Rain
9 89 83 77 77 75 72 91 74 56 30.08 30.04 29.99 10 10 8 23 10 29 0.07 Rain
10 87 82 77 78 74 73 88 76 63 30.06 30.03 29.99 10 10 7 23 11 29 0.14 Rain
11 88 83 77 80 78 76 97 84 70 30.04 30.02 29.98 10 10 7 24 9 28 0.32 Rain
12 86 81 76 81 78 77 100 90 80 30.07 30.02 29.99 10 10 9 23 9 28 0.10 Rain
13 90 83 75 77 76 74 100 87 74 30.09 30.05 30.01 10 10 9 22 12 29 0.00  
14 89 84 78 76 75 74 91 78 64 30.08 30.04 30.00 10 10 10 23 13 28 0.03  
15 88 84 79 76 75 73 85 74 63 30.08 30.04 30.00 10 10 9 20 11 25 0.00 Rain
16 85 82 78 82 79 76 97 88 79 30.10 30.06 30.01 10 9 2 23 10 30 0.69 Rain , Thunderstorm
17 89 85 80 79 78 76 94 83 72 30.07 30.04 30.00 10 10 10 20 11 24 0.02  
18 88 84 80 78 77 75 91 80 68 30.04 30.00 29.95 10 10 9 21 10 24 0.00  
19 89 85 80 79 77 75 94 84 74 30.03 29.99 29.97 10 10 10 18 9 25 0.11  
20 88 82 76 78 77 73 94 83 72 30.06 30.00 29.97 10 10 5 22 9 29 0.40 Rain , Thunderstorm
21 88 84 79 80 78 76 88 79 70 30.02 29.97 29.91 10 10 4 25 12 31 0.19 Rain
22 80 78 76 79 76 74 97 91 85 29.90 29.86 29.83 10 7 2 18 5 25 1.59 Rain , Thunderstorm
23 87 82 76 79 76 74 100 87 74 29.94 29.89 29.85 10 5 0 18 5 24 3.64 Fog , Rain , Thunderstorm
24 92 84 76 79 75 70 100 80 59 29.93 29.88 29.83 10 10 10 16 6 23 0.15 Rain
25 92 85 77 76 74 71 85 71 56 29.93 29.88 29.83 10 10 10 18 7 26 0.00  
26 93 87 81 78 74 67 88 66 44 30.04 29.96 29.91 10 10 10 17 8 24 T  
27 90 86 81 79 77 76 91 80 68 30.05 30.01 29.98 10 9 6 25 13 30 0.02  
28 90 86 81 79 76 72 88 74 59 30.04 29.98 29.94 10 10 10 26 13 33 0.01  
29 87 82 77 77 75 72 91 80 68 30.06 30.02 29.99 10 10 10 16 4 21 0.02  
30 90 84 78 77 76 75 91 80 68 30.07 30.05 30.02 10 10 10 22 8 26 0.06  
31 89 84 78 76 75 73 91 77 63 30.07 30.03 30.00 10 10 7 23 10 32 0.02 Rain