Weather History for London / Heathrow Airport, United Kingdom

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Week of December 30, 2012 through January 5, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 52 °F 50 °F 43 °F
Mean Temperature 51 °F 47 °F 42 °F
Min Temperature 49 °F 44 °F 36 °F
Degree Days  
Heating Degree Days (base 65) 22 17 14 122
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 1 0 0 1
Dew Point  
Dew Point 49 °F 43 °F 35 °F
Precipitation  
Precipitation 0.20 in 0.03 in 0.00 in 0.21 in
Snowdepth - - - -
Wind  
Wind 24 mph 11 mph 5 mph
Gust Wind - - -
Sea Level Pressure  
Sea Level Pressure 30.66 in 30.22 in 29.48 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Jan. 04, 2013 Rise Set
Actual Time 8:06 AM GMT 4:07 PM GMT
Civil Twilight 7:27 AM GMT 4:46 PM GMT
Nautical Twilight 6:44 AM GMT 5:29 PM GMT
Astronomical Twilight 6:03 AM GMT 6:10 PM GMT
Moon No Moon Rise 10:48 AM GMT (1/4)
Length of Visible Light 9h 19m
Length of Day
8h 00m
Waning Gibbous, 57% of the Moon is Illuminated
Jan 4
Waning Gibbous
Jan 5
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 27
Full

Daily Weather History & Observations

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
30 52 46 42 46 40 35 74 70 64 29.91 29.84 29.72 19.0 16.9 11.0 21 18 - 0.00 Rain
31 52 51 48 49 47 45 91 83 71 29.81 29.59 29.48 19.0 13.1 7.0 24 20 - 0.20 Rain
2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Jan high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 46 42 38 41 36 35 84 74 59 30.06 29.81 29.56 19.0 18.7 18.0 13 10 - 0.00 Rain
2 52 44 36 49 43 35 92 88 77 30.35 30.24 30.13 19.0 15.0 10.0 15 8 - 0.01  
3 52 50 49 49 48 47 95 86 81 30.63 30.52 30.38 19.0 14.3 9.0 15 11 - 0.00  
4 50 49 47 46 45 43 88 80 73 30.66 30.64 30.62 19.0 13.3 6.0 13 11 - 0.00  
5 51 48 46 47 46 44 96 86 77 30.61 30.56 30.54 19.0 10.0 3.0 13 8 - 0.00 Rain
6 43 - 43 42 42 42 96 96 96 30.53 30.53 30.53 4.0 4.0 4.0 5 5 - 0.00