San Jose, CA

5:30 PM PDT on June 28, 2017 (GMT -0700)
San Jose International

Weather History for KSJC - December, 2012

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Wednesday, December 12, 2012

  Actual Average Record
Temperature  
Mean Temperature 49 °F 50 °F  
Max Temperature 55 °F 58 °F 79 °F (1958)
Min Temperature 43 °F 42 °F 27 °F (1972)
Degree Days  
Heating Degree Days 16 15  
Month to date heating degree days 109 173  
Since 1 July heating degree days 364 580  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 483 637  
Moisture  
Dew Point 44 °F    
Average Humidity 74    
Maximum Humidity 89    
Minimum Humidity 59    
Precipitation  
Precipitation 0.10 in 0.08 in 1.84 in (1995)
Month to date precipitation 1.44 0.90  
Year to date precipitation 9.93 14.11  
Since 1 July precipitation 4.39  
Sea Level Pressure  
Sea Level Pressure 29.88 in    
Wind  
Wind Speed 5 mph (SSW)    
Max Wind Speed 22 mph    
Max Gust Speed 25 mph    
Visibility 9 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Date:

Astronomy

Dec. 12, 2012 Rise Set
Actual Time 7:13 AM PST 4:50 PM PST
Civil Twilight 6:43 AM PST 5:19 PM PST
Nautical Twilight 6:11 AM PST 5:52 PM PST
Astronomical Twilight 5:39 AM PST 6:24 PM PST
Moon 6:23 AM PST (12/12) 4:32 PM PST (12/12)
Length of Visible Light 10h 35m
Length of Day
9h 37m
Waning Crescent, 0% of the Moon is Illuminated
Dec 12
Waning Crescent
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 52.0 °F - 48.9 °F 89% 29.88 in 5.0 mi SE 8.1 mph - 0.01 in Rain Light Rain
1:53 AM 51.1 °F - 48.0 °F 89% 29.87 in 10.0 mi ESE 5.8 mph - 0.01 in   Overcast
2:29 AM 51.8 °F - 48.2 °F 88% 29.88 in 6.0 mi WSW 4.6 mph - 0.00 in Rain Light Rain
2:53 AM 50.0 °F - 48.0 °F 93% 29.87 in 6.0 mi Calm Calm - 0.01 in Rain Light Rain
3:16 AM 50.0 °F - 48.2 °F 94% 29.86 in 8.0 mi ESE 6.9 mph - 0.00 in Rain Light Rain
3:25 AM 50.0 °F - 48.2 °F 94% 29.86 in 6.0 mi ESE 6.9 mph - 0.01 in   Overcast
3:36 AM 50.0 °F - 48.2 °F 94% 29.85 in 6.0 mi ESE 10.4 mph - 0.01 in Rain Light Rain
3:53 AM 50.0 °F - 48.9 °F 96% 29.85 in 10.0 mi ESE 8.1 mph - 0.01 in Rain Light Rain
4:11 AM 50.0 °F - 48.2 °F 94% 29.85 in 9.0 mi SE 4.6 mph - 0.00 in Rain Light Rain
4:21 AM 50.0 °F - 48.2 °F 94% 29.84 in 6.0 mi SE 4.6 mph - 0.00 in Rain Light Rain
4:30 AM 50.0 °F - 48.2 °F 94% 29.84 in 10.0 mi WSW 5.8 mph - 0.00 in Rain Light Rain
4:41 AM 51.8 °F - 48.2 °F 88% 29.84 in 10.0 mi Calm Calm - 0.00 in   Overcast
4:51 AM 51.8 °F - 48.2 °F 88% 29.85 in 10.0 mi Calm Calm - 0.00 in   Overcast
4:53 AM 51.1 °F - 48.9 °F 92% 29.85 in 10.0 mi Calm Calm - 0.00 in   Overcast
5:09 AM 51.8 °F - 46.4 °F 82% 29.85 in 8.0 mi WSW 9.2 mph - 0.01 in Rain Light Rain
5:50 AM 51.8 °F - 46.4 °F 82% 29.86 in 10.0 mi WSW 5.8 mph - 0.01 in Rain Light Rain
5:53 AM 51.1 °F - 46.0 °F 83% 29.86 in 10.0 mi West 4.6 mph - 0.01 in Rain Light Rain
6:53 AM 51.1 °F - 46.0 °F 83% 29.87 in 10.0 mi West 9.2 mph - 0.00 in   Overcast
7:53 AM 50.0 °F - 46.0 °F 86% 29.89 in 10.0 mi South 3.5 mph - N/A   Mostly Cloudy
8:16 AM 50.0 °F - 46.4 °F 87% 29.90 in 7.0 mi SW 6.9 mph - 0.01 in Rain Light Rain
8:28 AM 48.2 °F - 44.6 °F 87% 29.90 in 4.0 mi WSW 3.5 mph - 0.03 in Rain Rain
8:53 AM 50.0 °F - 46.0 °F 86% 29.91 in 10.0 mi South 3.5 mph - 0.03 in   Overcast
9:53 AM 51.1 °F - 45.0 °F 80% 29.92 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:53 AM 50.0 °F - 42.1 °F 74% 29.92 in 10.0 mi Calm Calm - 0.02 in   Overcast
11:53 AM 55.0 °F - 43.0 °F 64% 29.90 in 10.0 mi West 6.9 mph - N/A   Clear
12:53 PM 54.0 °F - 41.0 °F 62% 29.88 in 10.0 mi NNW 5.8 mph - N/A   Clear
1:53 PM 53.1 °F - 41.0 °F 64% 29.87 in 10.0 mi WNW 8.1 mph - N/A   Mostly Cloudy
2:53 PM 54.0 °F - 39.0 °F 57% 29.86 in 10.0 mi NW 10.4 mph - N/A   Partly Cloudy
3:53 PM 52.0 °F - 39.0 °F 61% 29.87 in 10.0 mi WNW 8.1 mph - N/A   Partly Cloudy
4:53 PM 51.1 °F - 39.0 °F 63% 29.87 in 10.0 mi West 9.2 mph - N/A   Scattered Clouds
5:53 PM 50.0 °F - 39.0 °F 66% 29.87 in 10.0 mi West 6.9 mph - N/A   Clear
6:53 PM 48.9 °F - 39.9 °F 71% 29.89 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:53 PM 46.9 °F - 39.9 °F 77% 29.89 in 10.0 mi South 4.6 mph - N/A   Scattered Clouds
8:53 PM 45.0 °F - 39.9 °F 82% 29.89 in 10.0 mi Calm Calm - N/A   Partly Cloudy
9:53 PM 46.0 °F 44.8 °F 39.9 °F 79% 29.90 in 10.0 mi SSE 3.5 mph - N/A   Partly Cloudy
10:53 PM 45.0 °F 43.5 °F 39.0 °F 80% 29.90 in 10.0 mi SE 3.5 mph - N/A   Clear
11:21 PM 44.6 °F - 39.2 °F 81% 29.91 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:53 PM 44.1 °F - 39.0 °F 82% 29.91 in 10.0 mi Calm Calm - N/A   Mostly Cloudy