Weather History for London / Heathrow Airport, United Kingdom

Change the Weather History Date:

Wednesday, December 12, 2012

  Actual Average Record
Temperature  
Mean Temperature 28 °F -  
Max Temperature 32 °F 45 °F - ()
Min Temperature 24 °F 36 °F - ()
Degree Days  
Heating Degree Days 37    
Moisture  
Dew Point 27 °F    
Average Humidity 95    
Maximum Humidity 100    
Minimum Humidity 77    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.12 in    
Wind  
Wind Speed 3 mph ()    
Max Wind Speed 9 mph    
Max Gust Speed -    
Visibility 2.0 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: Averaged Metar Reports

Daily Weather History Graph

Daily Weather History Graph

Search for Another Location

Airport:

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. 12, 2012 Rise Set
Actual Time 7:58 AM GMT 3:52 PM GMT
Civil Twilight 7:18 AM GMT 4:32 PM GMT
Nautical Twilight 6:35 AM GMT 5:15 PM GMT
Astronomical Twilight 5:54 AM GMT 5:56 PM GMT
Moon 6:42 AM GMT (12/12) 3:17 PM GMT (12/12)
Length of Visible Light 9h 14m
Length of Day
7h 54m
Waning Crescent, 1% of the Moon is Illuminated
Dec 12
Waning Crescent
Dec 13
New
Dec 20
First Quarter
Dec 28
Full
Jan 5
Last Quarter

Hourly Weather History & Observations

Time (GMT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:20 AM 26.6 °F - 26.6 °F 100% 30.33 in 0.2 mi Variable 2.3 mph - N/A Fog Light Freezing Fog
12:50 AM 26.6 °F - 26.6 °F 100% 30.33 in 0.2 mi Variable 2.3 mph - N/A Fog Light Freezing Fog
1:20 AM 26.6 °F - 24.8 °F 93% 30.30 in 0.1 mi Calm Calm - N/A Fog Fog
1:50 AM 26.6 °F 22.6 °F 24.8 °F 93% 30.30 in 0.1 mi Variable 3.5 mph - N/A Fog Fog
2:20 AM 26.6 °F - 24.8 °F 93% 30.30 in 0.1 mi Variable 2.3 mph - N/A Fog Fog
2:50 AM 26 °F - 25 °F 95% 30.30 in 0 mi WSW 2.3 mph - - Fog Fog
2:50 AM 26.6 °F - 24.8 °F 93% 30.30 in 0.2 mi Variable 2.3 mph - N/A Fog Light Freezing Fog
3:20 AM 24.8 °F - 24.8 °F 100% 30.27 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
3:50 AM 24.8 °F - 24.8 °F 100% 30.27 in 0.1 mi Calm Calm - N/A Fog Light Freezing Fog
4:20 AM 24.8 °F - 24.8 °F 100% 30.24 in 0.1 mi Variable 2.3 mph - N/A Fog Light Freezing Fog
4:50 AM 24.8 °F - 24.8 °F 100% 30.24 in 0.2 mi Variable 2.3 mph - N/A Fog Light Freezing Fog
5:20 AM 24.8 °F - 24.8 °F 100% 30.24 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
5:50 AM 25 °F - 24 °F 95% 30.23 in 0 mi WSW 1.2 mph - - Fog Fog
5:50 AM 24.8 °F - 24.8 °F 100% 30.21 in 0.3 mi Calm Calm - N/A Fog Light Freezing Fog
6:20 AM 24.8 °F - 24.8 °F 100% 30.21 in 0.3 mi Variable 2.3 mph - N/A Fog Light Freezing Fog
6:50 AM 24.8 °F 20.5 °F 23.0 °F 93% 30.21 in 0.3 mi Variable 3.5 mph - N/A Fog Light Freezing Fog
7:20 AM 24.8 °F - 23.0 °F 93% 30.21 in 0.4 mi Variable 2.3 mph - N/A Fog Light Freezing Fog
7:50 AM 24.8 °F 20.5 °F 24.8 °F 100% 30.21 in 0.4 mi Variable 3.5 mph - N/A Fog Light Freezing Fog
8:20 AM 24.8 °F - 23.0 °F 93% 30.18 in 0.4 mi Variable 2.3 mph - N/A Fog Light Freezing Fog
8:50 AM 25 °F - 24 °F 96% 30.20 in 2 mi NE 2.3 mph - -   Mist
8:50 AM 24.8 °F - 24.8 °F 100% 30.18 in 0.4 mi Variable 2.3 mph - N/A Fog Light Freezing Fog
9:20 AM 24.8 °F - 24.8 °F 100% 30.18 in 0.4 mi Variable 2.3 mph - N/A Fog Light Freezing Fog
9:50 AM 26.6 °F - 24.8 °F 93% 30.18 in 0.7 mi Variable 2.3 mph - N/A Fog Light Freezing Fog
10:20 AM 26.6 °F - 24.8 °F 93% 30.18 in 1.4 mi Variable 2.3 mph - N/A Fog Light Freezing Fog
10:50 AM 26.6 °F - 24.8 °F 93% 30.15 in 1.4 mi Variable 2.3 mph - N/A Fog Light Freezing Fog
11:20 AM 26.6 °F 22.6 °F 26.6 °F 100% 30.15 in 1.1 mi ENE 3.5 mph - N/A   Scattered Clouds
11:50 AM 28 °F - 27 °F 96% 30.14 in 2 mi NE 1.2 mph - -   Mist
11:50 AM 28.4 °F - 26.6 °F 93% 30.12 in 1.5 mi Calm Calm - N/A   Partly Cloudy
12:20 PM 28.4 °F - 28.4 °F 100% 30.12 in 2.5 mi Variable 2.3 mph - N/A   Mostly Cloudy
12:50 PM 28.4 °F 23.3 °F 28.4 °F 100% 30.09 in - SSW 4.6 mph - N/A   Mostly Cloudy
1:20 PM 28.4 °F 24.6 °F 28.4 °F 100% 30.09 in 3.1 mi Variable 3.5 mph - N/A   Mostly Cloudy
1:50 PM 30.2 °F - 28.4 °F 93% 30.09 in 3.1 mi Variable 2.3 mph - N/A   Mostly Cloudy
2:20 PM 30.2 °F - 30.2 °F 100% 30.06 in 3.1 mi Calm Calm - N/A   Mostly Cloudy
2:50 PM 31 °F - 30 °F 96% 30.07 in 4 mi NNE 2.3 mph - -   Mist
2:50 PM 30.2 °F - 30.2 °F 100% 30.06 in 3.1 mi Variable 2.3 mph - N/A   Mostly Cloudy
3:20 PM 30.2 °F - 30.2 °F 100% 30.06 in 3.7 mi Variable 2.3 mph - N/A   Mostly Cloudy
3:50 PM 30.2 °F - 30.2 °F 100% 30.04 in 3.1 mi Variable 2.3 mph - N/A   Mostly Cloudy
4:20 PM 30.2 °F - 30.2 °F 100% 30.04 in 3.1 mi Variable 2.3 mph - N/A   Scattered Clouds
4:50 PM 30.2 °F - 30.2 °F 100% 30.04 in 3.1 mi Variable 2.3 mph - N/A   Partly Cloudy
5:20 PM 30.2 °F 26.7 °F 28.4 °F 93% 30.01 in 6.2 mi Variable 3.5 mph - N/A   Partly Cloudy
5:50 PM 32 °F - 29 °F 86% 30.01 in 4 mi East 3.5 mph - -   Light Haze
5:50 PM 30.2 °F 25.4 °F 28.4 °F 93% 30.01 in - ESE 4.6 mph - N/A   Clear
6:20 PM 30.2 °F 23.4 °F 30.2 °F 100% 30.01 in 3.7 mi ESE 6.9 mph - N/A   Unknown
6:50 PM 30.2 °F 22.6 °F 30.2 °F 100% 29.98 in 5.6 mi East 8.1 mph - N/A   Unknown
7:20 PM 30.2 °F 22.6 °F 28.4 °F 93% 29.98 in 5.0 mi ESE 8.1 mph - N/A   Unknown
7:50 PM 30.2 °F 24.3 °F 28.4 °F 93% 29.98 in 5.0 mi ESE 5.8 mph - N/A   Unknown
8:20 PM 30.2 °F 22.6 °F 28.4 °F 93% 29.98 in - ESE 8.1 mph - N/A   Clear
8:50 PM 32 °F - 28 °F 77% 29.96 in 9 mi East 6.9 mph - -   Mostly Cloudy
8:50 PM 32.0 °F 24.8 °F 28.4 °F 87% 29.95 in - East 8.1 mph - N/A   Clear
9:20 PM 32.0 °F 24.8 °F 28.4 °F 87% 29.95 in - East 8.1 mph - N/A   Clear
9:50 PM 30.2 °F 21.9 °F 26.6 °F 86% 29.95 in - ESE 9.2 mph - N/A   Clear
10:20 PM 30.2 °F 23.4 °F 28.4 °F 93% 29.92 in - East 6.9 mph - N/A   Clear
10:50 PM 28.4 °F 20.4 °F 26.6 °F 93% 29.92 in - East 8.1 mph - N/A   Clear
11:20 PM 30.2 °F 23.4 °F 28.4 °F 93% 29.92 in - East 6.9 mph - N/A   Clear
11:50 PM 30 °F - 26 °F 80% 29.90 in 7 mi East 5.8 mph - -   Partly Cloudy
11:50 PM 30.2 °F 24.3 °F 26.6 °F 86% 29.89 in - East 5.8 mph - N/A   Clear