San Francisco, CA

5:04 PM PDT on September 28, 2016 (GMT -0700)
San Francisco International

Weather History for KSFO - December, 2014

Change the Weather History Date:

Tuesday, December 30, 2014

  Actual Average Record
Temperature  
Mean Temperature 51 °F 50 °F  
Max Temperature 55 °F 56 °F 69 °F (1945)
Min Temperature 47 °F 44 °F 33 °F (1990)
Degree Days  
Heating Degree Days 14 15  
Month to date heating degree days 232 430  
Since 1 July heating degree days 420 994  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 497 164  
Growing Degree Days 1 (Base 50)    
Moisture  
Dew Point 33 °F    
Average Humidity 62    
Maximum Humidity 86    
Minimum Humidity 38    
Precipitation  
Precipitation 0.00 in 0.14 in 2.19 in (1976)
Month to date precipitation 10.66 3.89  
Year to date precipitation 20.69 20.51  
Since 1 July precipitation 13.38  
Sea Level Pressure  
Sea Level Pressure 30.17 in    
Wind  
Wind Speed 24 mph (North)    
Max Wind Speed 43 mph    
Max Gust Speed 51 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

Search for Another Location

Airport or City:

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

Dec. 30, 2014 Rise Set
Actual Time 7:24 AM PST 5:00 PM PST
Civil Twilight 6:54 AM PST 5:29 PM PST
Nautical Twilight 6:22 AM PST 6:02 PM PST
Astronomical Twilight 5:50 AM PST 6:34 PM PST
Moon 1:12 PM PST (12/30) 1:56 AM PST (12/30)
Length of Visible Light 10h 34m
Length of Day
9h 36m
Waxing Gibbous, 72% of the Moon is Illuminated
Dec 30
Waxing Gibbous
Jan 4
Full
Jan 13
Last Quarter
Jan 20
New
Jan 26
First Quarter

Hourly Weather History & Observations

Time (PST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 50.0 °F 39.0 °F 66% 30.12 in 10.0 mi NW 6.9 mph - N/A   Clear
1:56 AM 48.0 °F 39.0 °F 71% 30.13 in 10.0 mi NNW 8.1 mph - N/A   Mostly Cloudy
2:56 AM 48.9 °F 44.1 °F 83% 30.13 in 10.0 mi NNE 17.3 mph - N/A   Partly Cloudy
3:56 AM 48.9 °F 41.0 °F 74% 30.12 in 10.0 mi North 12.7 mph - N/A   Partly Cloudy
4:56 AM 48.9 °F 36.0 °F 61% 30.11 in 10.0 mi North 16.1 mph 21.9 mph N/A   Partly Cloudy
5:56 AM 48.9 °F 37.9 °F 66% 30.11 in 10.0 mi North 11.5 mph - N/A   Partly Cloudy
6:56 AM 48.9 °F 32.0 °F 52% 30.12 in 10.0 mi North 19.6 mph - N/A   Partly Cloudy
7:56 AM 48.0 °F 30.0 °F 50% 30.13 in 10.0 mi North 23.0 mph - N/A   Partly Cloudy
8:56 AM 48.0 °F 30.9 °F 52% 30.15 in 10.0 mi North 25.3 mph 31.1 mph N/A   Partly Cloudy
9:56 AM 48.9 °F 32.0 °F 52% 30.16 in 10.0 mi North 24.2 mph 31.1 mph N/A   Partly Cloudy
10:56 AM 50.0 °F 30.9 °F 48% 30.16 in 10.0 mi North 21.9 mph - N/A   Partly Cloudy
11:56 AM 52.0 °F 32.0 °F 47% 30.16 in 10.0 mi North 18.4 mph - N/A   Clear
12:56 PM 55.0 °F 33.1 °F 43% 30.14 in 10.0 mi North 25.3 mph 32.2 mph N/A   Clear
1:56 PM 55.0 °F 32.0 °F 42% 30.14 in 10.0 mi North 21.9 mph 34.5 mph N/A   Clear
2:56 PM 54.0 °F 30.0 °F 40% 30.14 in 10.0 mi North 35.7 mph 41.4 mph N/A   Clear
3:56 PM 54.0 °F 28.9 °F 38% 30.15 in 10.0 mi North 35.7 mph 42.6 mph N/A   Clear
4:56 PM 53.1 °F 30.9 °F 43% 30.15 in 10.0 mi NNE 36.8 mph 48.3 mph N/A   Clear
5:56 PM 52.0 °F 30.0 °F 43% 30.17 in 10.0 mi North 40.3 mph 48.3 mph N/A   Clear
6:56 PM 51.1 °F 30.0 °F 44% 30.22 in 10.0 mi North 34.5 mph 44.9 mph N/A   Clear
7:56 PM 51.1 °F 28.0 °F 41% 30.25 in 10.0 mi NNE 31.1 mph 38.0 mph N/A   Clear
8:56 PM 51.1 °F 28.9 °F 43% 30.23 in 10.0 mi NNE 36.8 mph 46.0 mph N/A   Clear
9:56 PM 50.0 °F 28.0 °F 43% 30.25 in 10.0 mi North 29.9 mph 43.7 mph N/A   Clear
10:56 PM 50.0 °F 26.1 °F 39% 30.25 in 10.0 mi North 27.6 mph 34.5 mph N/A   Clear
11:56 PM 48.9 °F 30.0 °F 48% 30.25 in 10.0 mi North 24.2 mph 33.4 mph N/A   Clear