Weather History for London, United Kingdom

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 56 °F 47 °F 32 °F
Mean Temperature 52 °F 42 °F 28 °F
Min Temperature 48 °F 37 °F 24 °F
Degree Days  
Heating Degree Days (base 65) 37 23 14 713
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 2 0 0 2
Dew Point  
Dew Point 54 °F 39 °F 23 °F
Precipitation  
Precipitation 0.47 in 0.07 in 0.00 in 2.23 in
Snowdepth - - - -
Wind  
Wind 24 mph 10 mph 0 mph
Gust Wind 36 mph 27 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.45 in 29.77 in 28.80 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 18, 2012 Rise Set
Actual Time 8:03 AM GMT 3:53 PM GMT
Civil Twilight 7:23 AM GMT 4:34 PM GMT
Nautical Twilight 6:39 AM GMT 5:17 PM GMT
Astronomical Twilight 5:59 AM GMT 5:58 PM GMT
Moon 10:59 AM GMT (12/18) 10:44 PM GMT (12/18)
Length of Visible Light 9h 11m
Length of Day
7h 50m
Waxing Crescent, 32% of the Moon is Illuminated
Dec 18
Waxing Crescent
Dec 20
First Quarter
Dec 28
Full
Jan 5
Last Quarter
Jan 11
New

Weather History Calendar

Precipitation Actual month total 2.23 Average Month Total: 3.35
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
43 | 30 0.01
Average:
48 | 39 0.11
Rain
Actual:
42 | 26 0.01
Average:
48 | 39 0.11
Rain
Actual:
51 | 35 0.02
Average:
48 | 38 0.11
Scattered Clouds
Actual:
46 | 32 0.00
Average:
48 | 38 0.11
Snow
Actual:
39 | 30 0.04
Average:
47 | 38 0.11
Rain
Actual:
42 | 26 0.04
Average:
47 | 38 0.11
Snow
Actual:
44 | 35 0.04
Average:
47 | 38 0.11
Partly Cloudy
Actual:
44 | 37 0.00
Average:
47 | 38 0.11
Rain
Actual:
48 | 37 0.00
Average:
47 | 38 0.10
Scattered Clouds
Actual:
42 | 33 0.00
Average:
46 | 38 0.10
Fog
Actual:
36 | 26 0.01
Average:
46 | 37 0.11
Fog
Actual:
32 | 24 0.00
Average:
46 | 37 0.11
Partly Cloudy
Actual:
34 | 26 0.01
Average:
46 | 37 0.11
Rain
Actual:
51 | 35 0.28
Average:
45 | 36 0.11
Rain
Actual:
53 | 42 0.00
Average:
45 | 36 0.11
Rain
Actual:
51 | 40 0.02
Average:
44 | 35 0.11
Rain
Actual:
48 | 41 0.00
Average:
44 | 35 0.12
Partly Cloudy
Actual:
46 | 37 0.00
Average:
44 | 35 0.12
Rain
Actual:
45 | 35 0.16
Average:
44 | 35 0.11
Rain
Actual:
50 | 44 0.28
Average:
44 | 35 0.11
Partly Cloudy
Actual:
50 | 42 0.00
Average:
44 | 36 0.11
Rain
Actual:
56 | 42 0.47
Average:
45 | 36 0.11
Rain
Actual:
55 | 48 0.00
Average:
45 | 36 0.11
Rain
Actual:
54 | 46 0.08
Average:
44 | 35 0.11
Rain
Actual:
48 | 42 0.24
Average:
44 | 35 0.11
Rain
Actual:
51 | 39 0.08
Average:
44 | 35 0.10
Rain
Actual:
47 | 42 0.12
Average:
44 | 35 0.10
Rain
Actual:
54 | 41 0.08
Average:
44 | 35 0.10
Rain
Actual:
53 | 42 0.04
Average:
44 | 35 0.10
Rain
Actual:
52 | 41 0.00
Average:
44 | 35 0.10
Rain
Actual:
52 | 48 0.20
Average:
44 | 35 0.10
 

Calendar Legend

Sunny
Clear
Mostly Cloudy
Partly Sunny
Partly Cloudy
Mostly Sunny
Cloudy Rain Snow
Hail
Flurries
Thunderstorms Hazy
Fog
Sleet '?' denotes
'chance of'
Unknown

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  
1 43 36 30 37 32 28 100 88 64 30.02 29.97 29.92 19 4 0 16 6 - 0.01 Fog , Rain
2 42 34 26 35 30 25 100 83 62 30.06 30.01 29.95 19 10 5 8 6 - 0.01 Rain
3 51 44 35 48 40 34 100 85 62 29.92 29.74 29.65 19 7 2 16 9 18 0.02 Rain
4 46 39 32 37 34 29 93 82 53 29.65 29.63 29.62 18 9 6 18 10 - 0.00  
5 39 34 30 34 30 26 100 82 60 30.03 29.79 29.59 17 7 3 10 5 - 0.04 Rain , Snow
6 42 34 26 40 30 23 93 84 66 30.09 29.90 29.47 15 8 5 21 7 - 0.04 Rain
7 44 40 35 39 34 32 87 77 55 30.00 29.61 29.44 19 7 4 22 14 31 0.04 Rain , Snow
8 44 40 37 37 35 32 87 80 69 30.31 30.23 30.01 14 7 6 13 7 - 0.00  
9 48 44 37 41 38 32 87 77 58 30.24 30.09 30.01 19 7 6 18 12 - 0.00 Rain
10 42 38 33 34 32 30 87 77 60 30.38 30.21 30.04 19 9 6 10 8 - 0.00  
11 36 32 26 32 29 26 100 91 72 30.45 30.40 30.33 9 3 0 7 5 - 0.01 Fog
12 32 28 24 30 27 23 100 95 77 30.33 30.12 29.89 9 2 0 9 3 - 0.00 Fog
13 34 30 26 34 29 25 100 87 67 29.89 29.68 29.50 6 4 1 12 6 - 0.01  
14 51 43 35 49 42 34 100 89 71 29.50 29.07 28.80 19 5 1 24 12 36 0.28 Rain
15 53 48 42 45 43 39 93 82 71 29.47 29.29 29.09 16 7 6 16 11 26 0.00 Rain
16 51 46 40 43 41 39 94 87 69 29.57 29.51 29.47 19 8 6 12 7 22 0.02 Rain
17 48 44 41 42 40 37 93 83 62 29.68 29.57 29.47 19 8 6 15 9 24 0.00 Rain
18 46 42 37 41 39 36 93 84 74 30.13 29.97 29.71 19 7 3 10 6 - 0.00  
19 45 40 35 43 39 34 100 90 74 30.12 30.00 29.83 16 5 2 16 8 - 0.16 Rain
20 50 47 44 49 45 43 100 93 86 29.80 29.58 29.44 19 6 3 16 11 - 0.28 Rain
21 50 46 42 45 42 41 100 90 69 29.96 29.82 29.62 19 8 6 13 8 20 0.00  
22 56 49 42 54 49 41 100 93 87 29.95 29.66 29.56 14 6 2 21 10 25 0.47 Rain
23 55 52 48 54 48 45 94 83 69 29.74 29.64 29.53 16 7 6 20 14 31 0.00 Rain
24 54 50 46 50 46 43 100 90 81 29.71 29.48 29.30 19 6 2 22 10 30 0.08 Rain
25 48 45 42 45 42 37 93 86 71 29.63 29.41 29.24 19 7 3 20 11 30 0.24 Rain
26 51 45 39 48 42 36 94 85 71 29.77 29.65 29.53 19 7 4 21 10 28 0.08 Rain
27 47 44 42 43 40 39 93 82 68 30.15 29.71 29.44 19 7 4 20 12 28 0.12 Rain
28 54 48 41 51 46 37 100 88 79 30.15 30.01 29.86 17 6 2 22 10 26 0.08 Rain
29 53 48 42 48 45 37 94 83 71 29.86 29.64 29.47 19 7 3 23 17 34 0.04 Rain
30 52 46 41 46 39 34 82 74 64 29.91 29.83 29.65 19 8 6 23 17 33 0.00 Rain
31 52 50 48 49 47 45 94 85 71 29.86 29.61 29.44 19 7 4 24 18 34 0.20 Rain