San Jose, CA

3:06 PM PDT on June 20, 2018 (GMT -0700)
San Jose International

Weather History for KSJC - December, 2017

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Thursday, December 7, 2017

  Actual Average Record
Temperature  
Mean Temperature 52 °F 51 °F  
Max Temperature 68 °F 59 °F 76 °F (1938)
Min Temperature 36 °F 42 °F 29 °F (1896)
Degree Days  
Heating Degree Days 13 14  
Month to date heating degree days 82 98  
Since 1 July heating degree days 299 505  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 992 637  
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 32 °F    
Average Humidity 46    
Maximum Humidity 70    
Minimum Humidity 21    
Precipitation  
Precipitation 0.00 in 0.08 in 1.05 in (1950)
Month to date precipitation T 0.51  
Year to date precipitation 15.58 13.72  
Sea Level Pressure  
Sea Level Pressure 30.38 in    
Wind  
Wind Speed 3 mph (SE)    
Max Wind Speed 7 mph    
Max Gust Speed 9 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

Dec. 07, 2017 Rise Set
Actual Time 7:08 AM PST 4:49 PM PST
Civil Twilight 6:39 AM PST 5:18 PM PST
Nautical Twilight 6:07 AM PST 5:51 PM PST
Astronomical Twilight 5:35 AM PST 6:22 PM PST
Moon 9:40 PM PST (12/7) 10:54 AM PST (12/7)
Length of Visible Light 10h 38m
Length of Day
9h 40m
Waning Gibbous, 77% of the Moon is Illuminated
Dec 7
Waning Gibbous
Dec 9
Last Quarter
Dec 17
New
Dec 26
First Quarter
Jan 1
Full

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 44.1 °F - 30.9 °F 60% 30.32 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 42.1 °F 40.2 °F 30.9 °F 65% 30.35 in 10.0 mi SE 3.5 mph - N/A   Clear
2:53 AM 42.1 °F 40.2 °F 30.9 °F 65% 30.36 in 10.0 mi ENE 3.5 mph - N/A   Clear
3:53 AM 41.0 °F - 30.9 °F 67% 30.37 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 39.9 °F - 30.0 °F 68% 30.37 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 39.0 °F 36.8 °F 30.0 °F 70% 30.38 in 10.0 mi ENE 3.5 mph - N/A   Clear
6:53 AM 41.0 °F 39.0 °F 30.0 °F 65% 30.38 in 10.0 mi SSE 3.5 mph - N/A   Partly Cloudy
7:53 AM 42.8 °F 41.1 °F 30.2 °F 61% 30.39 in 10.0 mi East 3.5 mph - N/A   Partly Cloudy
8:53 AM 46.0 °F - 30.9 °F 56% 30.40 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:53 AM 52.0 °F - 30.9 °F 45% 30.42 in 10.0 mi SE 3.5 mph - N/A   Mostly Cloudy
10:53 AM 57.2 °F - 28.4 °F 33% 30.40 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:53 AM 60.8 °F - 28.4 °F 29% 30.37 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
12:53 PM 64.4 °F - 28.4 °F 26% 30.35 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
1:53 PM 66.2 °F - 28.4 °F 24% 30.34 in 10.0 mi West 5.8 mph - N/A   Mostly Cloudy
2:53 PM 68.0 °F - 26.6 °F 21% 30.34 in 10.0 mi WNW 4.6 mph - N/A   Mostly Cloudy
3:53 PM 64.4 °F - 33.8 °F 32% 30.36 in 10.0 mi WNW 4.6 mph - N/A   Mostly Cloudy
4:53 PM 61.0 °F - 35.1 °F 38% 30.37 in 10.0 mi WNW 3.5 mph - N/A   Scattered Clouds
5:53 PM 57.9 °F - 36.0 °F 44% 30.38 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:53 PM 55.0 °F - 37.0 °F 51% 30.40 in 10.0 mi SE 3.5 mph - N/A   Scattered Clouds
7:53 PM 52.0 °F - 37.9 °F 59% 30.40 in 10.0 mi ESE 3.5 mph - N/A   Scattered Clouds
8:06 PM 51.8 °F - 37.4 °F 58% 30.40 in 10.0 mi ESE 3.5 mph - N/A   Scattered Clouds
8:53 PM 51.8 °F - 37.4 °F 58% 30.41 in 10.0 mi SSE 5.8 mph - N/A   Scattered Clouds
9:53 PM 50.0 °F - 35.6 °F 58% 30.42 in 10.0 mi SSE 5.8 mph - N/A   Scattered Clouds
10:53 PM 48.2 °F - 35.6 °F 62% 30.44 in 10.0 mi ESE 4.6 mph - N/A   Scattered Clouds
11:53 PM 46.0 °F - 34.0 °F 63% 30.44 in 10.0 mi Calm Calm - N/A   Mostly Cloudy