Boston, MA

12:22 AM EST on January 20, 2018 (GMT -0500)
Logan International

Weather History for KBOS - December, 2012

Change the Weather History Date:

Sunday, December 30, 2012

  Actual Average Record
Temperature  
Mean Temperature 26 °F 31 °F  
Max Temperature 30 °F 37 °F 63 °F (1984)
Min Temperature 22 °F 24 °F -15 °F (1933)
Degree Days  
Heating Degree Days 39 34  
Month to date heating degree days 780 902  
Since 1 July heating degree days 1793 1957  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 905 747  
Moisture  
Dew Point 17 °F    
Average Humidity 69    
Maximum Humidity 92    
Minimum Humidity 46    
Precipitation  
Precipitation T in 0.11 in 2.08 in (1901)
Month to date precipitation 5.89 3.68  
Year to date precipitation 36.69 43.67  
Sea Level Pressure  
Sea Level Pressure 29.66 in    
Wind  
Wind Speed 19 mph (NW)    
Max Wind Speed 30 mph    
Max Gust Speed 40 mph    
Visibility 8 miles    
Events Snow    
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, 2012 Rise Set
Actual Time 7:13 AM EST 4:20 PM EST
Civil Twilight 6:41 AM EST 4:52 PM EST
Nautical Twilight 6:05 AM EST 5:27 PM EST
Astronomical Twilight 5:31 AM EST 6:02 PM EST
Moon 6:51 PM EST (12/30) 8:17 AM EST (12/30)
Length of Visible Light 10h 11m
Length of Day
9h 07m
Waning Gibbous, 95% of the Moon is Illuminated
Dec 30
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:29 AM 28.4 °F 16.2 °F 26.6 °F 93% 29.42 in 1.0 mi NNW 17.3 mph 24.2 mph 0.00 in Snow Light Snow
12:54 AM 28.0 °F 15.7 °F 27.0 °F 96% 29.42 in 1.0 mi NNW 17.3 mph 24.2 mph 0.00 in Snow Light Snow
1:26 AM 28.4 °F 17.0 °F 26.6 °F 93% 29.43 in 1.0 mi NNW 15.0 mph 27.6 mph 0.00 in Snow Light Snow
1:41 AM 28.4 °F 16.6 °F 26.6 °F 93% 29.43 in 4.0 mi NNW 16.1 mph 24.2 mph 0.00 in Snow Light Snow
1:54 AM 28.0 °F 15.3 °F 26.1 °F 92% 29.44 in 5.0 mi NW 18.4 mph 21.9 mph 0.00 in Snow Light Snow
2:54 AM 28.0 °F 17.0 °F 25.0 °F 88% 29.46 in 10.0 mi NW 13.8 mph - 0.00 in   Mostly Cloudy
3:54 AM 28.0 °F 18.6 °F 25.0 °F 88% 29.47 in 10.0 mi WNW 10.4 mph - N/A   Scattered Clouds
4:54 AM 28.0 °F 17.5 °F 24.1 °F 85% 29.48 in 10.0 mi WNW 12.7 mph - N/A   Scattered Clouds
5:54 AM 28.9 °F 18.2 °F 24.1 °F 82% 29.51 in 10.0 mi WNW 13.8 mph - N/A   Mostly Cloudy
6:54 AM 28.9 °F 17.3 °F 21.9 °F 75% 29.55 in 9.0 mi NW 16.1 mph 26.5 mph 0.00 in Snow Light Snow
7:54 AM 27.0 °F 13.5 °F 19.9 °F 75% 29.58 in 10.0 mi WNW 19.6 mph 27.6 mph 0.00 in   Mostly Cloudy
8:54 AM 27.0 °F 13.2 °F 18.0 °F 69% 29.61 in 10.0 mi WNW 20.7 mph 31.1 mph N/A   Overcast
9:54 AM 28.0 °F 12.5 °F 17.1 °F 63% 29.64 in 10.0 mi WNW 28.8 mph 35.7 mph N/A   Overcast
10:03 AM 28.4 °F 13.3 °F 17.6 °F 64% 29.64 in 1.8 mi WNW 27.6 mph 39.1 mph 0.00 in   Scattered Clouds
10:18 AM 28.4 °F 15.4 °F 17.6 °F 64% 29.65 in 10.0 mi WNW 19.6 mph 28.8 mph 0.00 in   Partly Cloudy
10:54 AM 28.0 °F 13.9 °F 17.1 °F 63% 29.65 in 10.0 mi WNW 23.0 mph 35.7 mph 0.00 in   Overcast
11:54 AM 28.0 °F 14.9 °F 17.1 °F 63% 29.66 in 10.0 mi NW 19.6 mph 31.1 mph N/A   Overcast
12:54 PM 28.9 °F 15.8 °F 17.1 °F 61% 29.66 in 10.0 mi WNW 20.7 mph 31.1 mph N/A   Overcast
1:54 PM 28.9 °F 15.8 °F 15.1 °F 56% 29.67 in 10.0 mi WNW 20.7 mph 34.5 mph N/A   Overcast
2:54 PM 30.0 °F 16.3 °F 12.9 °F 49% 29.70 in 10.0 mi WNW 24.2 mph 32.2 mph N/A   Mostly Cloudy
3:54 PM 30.0 °F 18.7 °F 12.0 °F 47% 29.73 in 10.0 mi NW 16.1 mph 33.4 mph N/A   Scattered Clouds
4:54 PM 28.0 °F 15.7 °F 10.9 °F 49% 29.77 in 10.0 mi WNW 17.3 mph 27.6 mph N/A   Partly Cloudy
5:54 PM 27.0 °F 13.2 °F 10.9 °F 51% 29.83 in 10.0 mi WNW 20.7 mph 31.1 mph N/A   Clear
6:54 PM 26.1 °F 11.3 °F 9.0 °F 49% 29.87 in 10.0 mi WNW 23.0 mph 28.8 mph N/A   Clear
7:54 PM 25.0 °F 10.6 °F 9.0 °F 51% 29.90 in 10.0 mi WNW 20.7 mph 31.1 mph N/A   Clear
8:54 PM 24.1 °F 8.7 °F 8.1 °F 51% 29.92 in 10.0 mi WNW 23.0 mph 32.2 mph N/A   Clear
9:54 PM 23.0 °F 6.9 °F 8.1 °F 53% 29.94 in 10.0 mi WNW 24.2 mph 33.4 mph N/A   Clear
10:54 PM 21.9 °F 8.2 °F 7.0 °F 53% 29.97 in 10.0 mi WNW 16.1 mph 28.8 mph N/A   Clear
11:54 PM 21.9 °F 8.2 °F 7.0 °F 53% 29.96 in 10.0 mi WNW 16.1 mph 29.9 mph N/A   Clear