San Francisco, CA

9:34 PM PST on December 08, 2019 (GMT -0800)
San Francisco International

Weather History for KSFO - May, 2019

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Wednesday, May 8, 2019

  Actual Average Record
Temperature  
Mean Temperature 60 °F 59 °F  
Max Temperature 67 °F 67 °F 86 °F (2001)
Min Temperature 53 °F 51 °F 44 °F (1968)
Degree Days  
Heating Degree Days 5 6  
Month to date heating degree days 51 54  
Since 1 July heating degree days 2170 2422  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 9 6  
Growing Degree Days 10 (Base 50)    
Moisture  
Dew Point 49 °F    
Average Humidity 71    
Maximum Humidity 83    
Minimum Humidity 58    
Precipitation  
Precipitation 0.00 in 0.02 in 0.30 in (1963)
Month to date precipitation T 0.17  
Year to date precipitation 16.43 12.67  
Sea Level Pressure  
Sea Level Pressure 29.97 in    
Wind  
Wind Speed 10 mph (West)    
Max Wind Speed 21 mph    
Max Gust Speed 24 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

May. 08, 2019 Rise Set
Actual Time 6:06 AM PDT 8:05 PM PDT
Civil Twilight 5:37 AM PDT 8:34 PM PDT
Nautical Twilight 5:02 AM PDT 9:09 PM PDT
Astronomical Twilight 4:25 AM PDT 9:47 PM PDT
Moon 9:10 AM PDT (5/8) No Moon Set
Length of Visible Light 14h 56m
Length of Day
13h 59m
Waxing Crescent, 16% of the Moon is Illuminated
May 8
Waxing Crescent
May 11
First Quarter
May 18
Full
May 26
Last Quarter
Jun 3
New

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:48 AM 55.0 °F 48.0 °F 77% 30.06 in 10.0 mi West 11.5 mph - N/A   Mostly Cloudy
12:56 AM 55.0 °F 48.0 °F 77% 30.06 in 10.0 mi West 9.2 mph - N/A   Mostly Cloudy
1:56 AM 55.0 °F 48.0 °F 77% 30.05 in 10.0 mi SW 5.8 mph - N/A   Mostly Cloudy
2:56 AM 53.1 °F 46.9 °F 80% 30.04 in 10.0 mi WSW 6.9 mph - N/A   Overcast
3:56 AM 54.0 °F 46.9 °F 77% 30.04 in 10.0 mi SW 9.2 mph - N/A   Overcast
4:56 AM 55.0 °F 46.9 °F 74% 30.03 in 10.0 mi SW 8.1 mph - N/A   Overcast
5:56 AM 55.0 °F 48.0 °F 77% 30.02 in 10.0 mi SW 5.8 mph - N/A   Overcast
6:56 AM 55.0 °F 48.0 °F 77% 30.03 in 10.0 mi SW 5.8 mph - N/A   Overcast
7:56 AM 55.0 °F 48.0 °F 77% 30.03 in 10.0 mi SSW 9.2 mph - N/A   Overcast
8:56 AM 55.9 °F 48.0 °F 75% 30.03 in 10.0 mi SSW 8.1 mph - N/A   Overcast
9:56 AM 59.0 °F 48.9 °F 69% 30.03 in 10.0 mi South 3.5 mph - N/A   Overcast
10:56 AM 61.0 °F 50.0 °F 67% 30.01 in 10.0 mi ENE 5.8 mph - N/A   Overcast
11:56 AM 62.1 °F 51.1 °F 67% 29.99 in 10.0 mi ENE 6.9 mph - N/A   Partly Cloudy
12:56 PM 64.0 °F 52.0 °F 65% 29.97 in 10.0 mi NNE 5.8 mph - N/A   Partly Cloudy
1:56 PM 64.9 °F 51.1 °F 61% 29.95 in 10.0 mi WNW 13.8 mph - N/A   Partly Cloudy
2:56 PM 66.9 °F 52.0 °F 59% 29.94 in 10.0 mi WNW 19.6 mph - N/A   Scattered Clouds
3:56 PM 64.9 °F 51.1 °F 61% 29.92 in 10.0 mi West 15.0 mph - N/A   Scattered Clouds
4:56 PM 61.0 °F 51.1 °F 70% 29.91 in 10.0 mi West 18.4 mph - N/A   Scattered Clouds
5:56 PM 61.0 °F 51.1 °F 70% 29.89 in 10.0 mi WNW 13.8 mph - N/A   Scattered Clouds
6:56 PM 59.0 °F 50.0 °F 72% 29.87 in 10.0 mi West 13.8 mph - N/A   Scattered Clouds
7:56 PM 55.0 °F 50.0 °F 83% 29.87 in 10.0 mi West 18.4 mph - N/A   Scattered Clouds
8:56 PM 55.9 °F 48.9 °F 77% 29.87 in 10.0 mi WNW 12.7 mph - N/A   Partly Cloudy
9:56 PM 55.0 °F 50.0 °F 83% 29.88 in 10.0 mi West 12.7 mph - N/A   Partly Cloudy
10:56 PM 55.0 °F 50.0 °F 83% 29.87 in 10.0 mi WNW 9.2 mph - N/A   Partly Cloudy
11:56 PM 55.9 °F 50.0 °F 80% 29.87 in 10.0 mi WNW 6.9 mph - N/A   Mostly Cloudy