Weather History for San Juan, PR

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Month of May, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 91 °F 87 °F 83 °F
Mean Temperature 84 °F 82 °F 79 °F
Min Temperature 78 °F 76 °F 71 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 19 17 14 512
Growing Degree Days (base 50) 34 31 28 964
Dew Point  
Dew Point 77 °F 73 °F 68 °F
Precipitation  
Precipitation 2.69 in 0.56 in 0.00 in 14.54 in
Snowdepth - - - -
Wind  
Wind 35 mph 8 mph 0 mph
Gust Wind 40 mph 23 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.14 in 30.00 in 29.78 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

May. 27, 2013 Rise Set
Actual Time 5:47 AM AST 6:55 PM AST
Civil Twilight 5:23 AM AST 7:19 PM AST
Nautical Twilight 4:55 AM AST 7:47 PM AST
Astronomical Twilight 4:26 AM AST 8:16 PM AST
Moon 9:40 PM AST (5/27) 8:15 AM AST (5/27)
Length of Visible Light 13h 55m
Length of Day
13h 07m
Waning Gibbous, 91% of the Moon is Illuminated
May 27
Waning Gibbous
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
Jun 23
Full

Weather History Calendar

Precipitation Actual month total 14.54 Normal Month Total: 5.90
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
87 | 74 0.00
Average:
87 | 75 0.20
Partly Cloudy
Actual:
86 | 76 0.00
Average:
87 | 75 0.19
Scattered Clouds
Actual:
89 | 76 0.00
Average:
87 | 76 0.20
Partly Cloudy
Actual:
91 | 77 0.00
Average:
87 | 76 0.20
Rain
Actual:
90 | 78 0.60
Average:
87 | 76 0.19
Thunderstorm
Actual:
88 | 77 T
Average:
87 | 76 0.19
Thunderstorm
Actual:
87 | 76 0.31
Average:
87 | 76 0.18
Thunderstorm
Actual:
87 | 75 1.05
Average:
87 | 76 0.19
Rain
Actual:
86 | 74 2.69
Average:
87 | 76 0.19
Thunderstorm
Actual:
87 | 72 1.57
Average:
87 | 76 0.18
Rain
Actual:
86 | 73 0.04
Average:
87 | 76 0.20
Partly Cloudy
Actual:
86 | 76 T
Average:
87 | 76 0.20
Rain
Actual:
88 | 76 0.01
Average:
87 | 76 0.20
Partly Cloudy
Actual:
88 | 76 0.02
Average:
87 | 76 0.20
Rain
Actual:
86 | 77 0.27
Average:
87 | 76 0.19
Partly Cloudy
Actual:
87 | 77 0.00
Average:
88 | 76 0.19
Partly Cloudy
Actual:
87 | 77 T
Average:
88 | 76 0.19
Partly Cloudy
Actual:
87 | 75 0.00
Average:
88 | 76 0.19
Rain
Actual:
88 | 76 T
Average:
88 | 77 0.19
Rain
Actual:
87 | 75 0.10
Average:
88 | 77 0.20
Thunderstorm
Actual:
84 | 75 0.20
Average:
88 | 77 0.19
Thunderstorm
Actual:
83 | 74 2.53
Average:
88 | 77 0.20
Rain
Actual:
85 | 76 0.34
Average:
88 | 77 0.19
Rain
Actual:
88 | 76 0.02
Average:
88 | 77 0.19
Thunderstorm
Actual:
89 | 75 0.55
Average:
88 | 77 0.20
Rain
Actual:
87 | 77 T
Average:
88 | 77 0.18
Thunderstorm
Actual:
87 | 71 1.74
Average:
88 | 77 0.18
Partly Cloudy
Actual:
87 | 76 0.01
Average:
88 | 77 0.18
Rain
Actual:
87 | 78 0.18
Average:
88 | 77 0.18
Thunderstorm
Actual:
87 | 76 1.42
Average:
88 | 77 0.17
Thunderstorm
Actual:
86 | 75 0.89
Average:
88 | 77 0.18
 

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
May high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 87 81 74 72 71 69 93 75 57 30.01 29.97 29.93 10 10 10 24 9 28 0.00  
2 86 81 76 74 72 70 85 75 65 29.96 29.92 29.87 10 10 10 18 7 23 0.00  
3 89 83 76 75 72 68 85 69 53 29.91 29.87 29.83 10 10 10 13 4 18 0.00  
4 91 84 77 75 73 71 79 66 52 29.86 29.83 29.78 10 10 10 13 5 17 0.00  
5 90 84 78 76 73 70 91 74 57 29.95 29.88 29.80 10 9 2 13 2 20 0.60 Rain
6 88 83 77 77 74 72 91 81 70 30.03 29.96 29.91 10 10 10 15 3 20 T Rain , Thunderstorm
7 87 82 76 76 74 72 88 81 74 30.10 30.02 29.95 10 10 8 18 4 22 0.31 Rain , Thunderstorm
8 87 81 75 77 74 73 94 84 74 30.13 30.08 30.03 10 8 2 22 8 29 1.05 Rain , Thunderstorm
9 86 80 74 76 73 70 94 78 61 30.14 30.09 30.05 10 9 2 22 10 25 2.69 Rain
10 87 80 72 75 72 69 88 78 68 30.09 30.04 29.96 10 8 0 21 8 28 1.57 Rain , Thunderstorm
11 86 80 73 74 72 69 87 74 61 30.02 29.99 29.95 10 10 7 16 4 18 0.04 Rain
12 86 81 76 73 72 71 88 77 65 30.02 29.97 29.94 10 10 10 12 4 17 T  
13 88 82 76 76 74 72 88 78 68 30.04 30.00 29.96 10 10 9 21 7 26 0.01 Rain
14 88 82 76 75 73 70 85 70 55 30.05 30.01 29.96 10 10 10 17 6 23 0.02  
15 86 82 77 76 73 72 88 81 74 30.04 30.00 29.96 10 10 10 18 4 21 0.27 Rain
16 87 82 77 74 72 71 88 75 61 30.04 30.00 29.95 10 10 10 17 7 23 0.00  
17 87 82 77 73 72 70 82 72 61 30.09 30.03 29.99 10 10 10 23 10 31 T  
18 87 81 75 72 70 68 82 72 61 30.08 30.05 30.01 10 10 10 21 9 25 0.00  
19 88 82 76 74 72 69 85 72 59 30.06 30.03 29.98 10 10 10 22 9 28 T Rain
20 87 81 75 73 72 70 87 74 61 30.05 30.01 29.98 10 10 5 22 12 28 0.10 Rain
21 84 80 75 74 72 70 82 76 69 30.03 29.99 29.95 10 10 2 23 12 28 0.20 Rain , Thunderstorm
22 83 79 74 75 73 71 94 87 79 30.05 30.00 29.95 10 7 1 29 9 36 2.53 Rain , Thunderstorm
23 85 81 76 74 71 69 87 76 65 30.07 30.03 29.99 10 10 10 24 13 30 0.34 Rain
24 88 82 76 75 73 71 94 77 59 30.07 30.02 29.98 10 10 10 22 11 26 0.02 Rain
25 89 82 75 75 73 69 91 72 52 30.07 30.03 29.99 10 10 2 21 9 26 0.55 Rain , Thunderstorm
26 87 82 77 75 74 73 88 77 65 30.09 30.04 30.01 10 10 10 22 11 26 T Rain
27 87 79 71 77 74 70 94 82 70 30.09 30.04 30.00 10 8 1 35 10 40 1.74 Rain , Thunderstorm
28 87 82 76 76 75 74 100 85 70 30.07 30.04 30.01 10 10 10 23 11 28 0.01  
29 87 83 78 76 74 72 85 75 65 30.08 30.03 30.00 10 10 3 23 14 26 0.18 Rain
30 87 82 76 76 74 73 91 81 70 30.09 30.05 30.01 10 8 2 23 12 29 1.42 Rain , Thunderstorm
31 86 81 75 77 74 72 91 87 82 30.10 30.06 30.02 10 8 0 22 8 26 0.89 Fog , Rain , Thunderstorm