Weather History for San Juan, PR

Change the Weather History Date:

Thursday, October 11, 2012

  Actual Average Record
Temperature  
Mean Temperature 82 °F 83 °F  
Max Temperature 89 °F 89 °F 95 °F (1980)
Min Temperature 75 °F 77 °F 70 °F (1956)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 July heating degree days 0 0  
Cooling Degree Days 17 18  
Month to date cooling degree days 206 198  
Year to date cooling degree days 4787 4610  
Growing Degree Days 32 (Base 50)    
Moisture  
Dew Point 75 °F    
Average Humidity 78    
Maximum Humidity 91    
Minimum Humidity 64    
Precipitation  
Precipitation 0.64 in 0.16 in 2.64 in (2006)
Month to date precipitation 1.33 1.77  
Year to date precipitation 43.47 41.16  
Sea Level Pressure  
Sea Level Pressure 29.91 in    
Wind  
Wind Speed 3 mph (ESE)    
Max Wind Speed 29 mph    
Max Gust Speed 44 mph    
Visibility 9 miles    
Events Rain , Thunderstorm    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

Search for Another Location

Airport:

Trip Planner

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

Oct. 11, 2012 Rise Set
Actual Time 6:16 AM AST 6:04 PM AST
Civil Twilight 5:54 AM AST 6:26 PM AST
Nautical Twilight 5:29 AM AST 6:51 PM AST
Astronomical Twilight 5:04 AM AST 7:16 PM AST
Moon 2:24 AM AST (10/11) 3:09 PM AST (10/11)
Length of Visible Light 12h 31m
Length of Day
11h 47m
Waning Crescent, 18% of the Moon is Illuminated
Oct 11
Waning Crescent
Oct 15
New
Oct 21
First Quarter
Oct 29
Full
Nov 6
Last Quarter

Hourly Weather History & Observations

Time (AST) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 82.0 °F 89.4 °F 75.9 °F 82% 29.91 in 10.0 mi Calm Calm - N/A   Partly Cloudy
1:56 AM 80.1 °F 85.4 °F 75.9 °F 87% 29.90 in 10.0 mi Calm Calm - 0.20 in   Scattered Clouds
2:56 AM 80.1 °F 85.8 °F 77.0 °F 90% 29.88 in 10.0 mi Calm Calm - N/A   Scattered Clouds
3:56 AM 80.1 °F 85.4 °F 75.9 °F 87% 29.89 in 10.0 mi Calm Calm - N/A   Scattered Clouds
4:56 AM 80.1 °F 85.4 °F 75.9 °F 87% 29.88 in 10.0 mi Calm Calm - N/A   Partly Cloudy
5:56 AM 80.1 °F 85.8 °F 77.0 °F 90% 29.90 in 10.0 mi Calm Calm - N/A   Scattered Clouds
6:56 AM 80.1 °F 85.8 °F 77.0 °F 90% 29.91 in 10.0 mi Calm Calm - 0.01 in   Scattered Clouds
7:56 AM 81.0 °F 87.3 °F 75.9 °F 85% 29.94 in 10.0 mi Calm Calm - N/A   Scattered Clouds
8:56 AM 82.9 °F 90.8 °F 75.9 °F 79% 29.96 in 10.0 mi Calm Calm - 0.00 in   Scattered Clouds
9:56 AM 81.0 °F 86.7 °F 75.0 °F 82% 29.97 in 10.0 mi East 9.2 mph - 0.06 in Rain Light Rain
10:56 AM 82.0 °F 87.4 °F 73.0 °F 74% 29.95 in 10.0 mi East 12.7 mph 24.2 mph 0.01 in   Scattered Clouds
11:56 AM 82.0 °F 87.4 °F 73.0 °F 74% 29.94 in 10.0 mi ESE 8.1 mph - 0.00 in   Scattered Clouds
12:56 PM 88.0 °F 98.5 °F 75.9 °F 67% 29.91 in 10.0 mi ESE 10.4 mph - N/A   Scattered Clouds
1:56 PM 89.1 °F 99.1 °F 75.0 °F 63% 29.88 in 10.0 mi ENE 18.4 mph 25.3 mph N/A   Mostly Cloudy
2:54 PM 82.4 °F 89.5 °F 75.2 °F 79% 29.92 in 2.0 mi East 27.6 mph 43.7 mph 0.00 in Rain , Thunderstorm Thunderstorms and Rain
2:56 PM 81.0 °F 86.7 °F 75.0 °F 82% 29.92 in 1.5 mi ESE 20.7 mph 43.7 mph 0.00 in Rain , Thunderstorm Heavy Thunderstorms and Rain
3:07 PM 75.2 °F - 71.6 °F 89% 29.91 in 6.0 mi ESE 6.9 mph 27.6 mph 0.22 in Rain , Thunderstorm Thunderstorms and Rain
3:38 PM 77.0 °F - 73.4 °F 89% 29.90 in 10.0 mi East 4.6 mph - 0.31 in Rain Light Rain
3:56 PM 77.0 °F - 73.0 °F 88% 29.90 in 10.0 mi Calm Calm - 0.32 in Rain Light Rain
4:56 PM 79.0 °F - 73.9 °F 84% 29.89 in 10.0 mi Calm Calm - 0.02 in Rain Light Rain
5:56 PM 79.0 °F - 73.9 °F 84% 29.89 in 10.0 mi Calm Calm - 0.00 in   Scattered Clouds
6:56 PM 79.0 °F - 75.0 °F 88% 29.90 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:56 PM 79.0 °F - 75.0 °F 88% 29.93 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:56 PM 79.0 °F - 75.0 °F 88% 29.94 in 10.0 mi Calm Calm - N/A   Partly Cloudy
9:56 PM 79.0 °F - 75.0 °F 88% 29.94 in 10.0 mi Calm Calm - N/A   Partly Cloudy
10:56 PM 79.0 °F - 75.0 °F 88% 29.94 in 10.0 mi Calm Calm - N/A   Scattered Clouds
11:56 PM 79.0 °F - 75.9 °F 90% 29.93 in 10.0 mi Calm Calm - 0.02 in   Mostly Cloudy