London, United Kingdom

1:02 PM BST on June 22, 2017 (GMT +0100)
Heathrow

Weather History for EGLL - January, 2015

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Month of January, 2015

  Max Avg Min Sum
Temperature  
Max Temperature 60 °F 47 °F 38 °F
Mean Temperature 52 °F 41 °F 30 °F
Min Temperature 44 °F 34 °F 17 °F
Degree Days  
Heating Degree Days (base 65) 35 24 14 759
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 2 0 0 2
Dew Point  
Dew Point 55 °F 37 °F 18 °F
Precipitation  
Precipitation 0.47 in 0.05 in 0.00 in 1.49 in
Snowdepth - - - -
Wind  
Wind 38 mph 11 mph 0 mph
Gust Wind 44 mph 30 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.64 in 29.95 in 28.80 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Jan. 27, 2015 Rise Set
Actual Time 7:47 AM GMT 4:41 PM GMT
Civil Twilight 7:10 AM GMT 5:18 PM GMT
Nautical Twilight 6:30 AM GMT 5:59 PM GMT
Astronomical Twilight 5:50 AM GMT 6:38 PM GMT
Moon 11:05 AM GMT (1/27) 12:46 AM GMT (1/27)
Length of Visible Light 10h 07m
Length of Day
8h 54m
First Quarter, 53% of the Moon is Illuminated
Jan 27
First Quarter
Feb 3
Full
Feb 12
Last Quarter
Feb 18
New
Feb 25
First Quarter

Daily Weather History & Observations

2015 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 53 46 40 52 45 37 94 88 78 30.50 30.34 30.12 11 6 3 24 13 37 0.02 Rain
2 51 45 39 54 39 32 94 70 41 30.57 30.39 30.09 19 10 2 22 15 31 0.00 Rain
3 43 40 35 43 38 34 100 91 70 30.51 30.23 29.95 19 6 1 12 6 - 0.28 Rain
4 38 34 29 37 34 29 100 97 90 30.64 30.57 30.45 8 2 0 8 4 17 0.00 Fog
5 50 43 36 46 41 36 100 86 67 30.55 30.38 30.21 19 6 2 12 6 - 0.01  
6 50 42 35 48 40 34 100 83 63 30.33 30.16 30.04 19 8 3 20 9 24 0.04 Rain
7 50 42 33 48 39 31 100 84 59 30.34 30.22 30.06 18 9 6 21 9 33 0.01 Rain
8 51 48 44 50 44 38 95 82 66 30.34 30.15 30.01 19 8 2 21 14 - 0.47 Rain
9 60 52 43 55 48 41 94 79 57 30.24 30.06 29.95 19 8 5 32 20 44 0.00 Rain
10 57 48 39 52 41 27 94 69 33 30.12 29.97 29.80 19 8 5 38 22 43 0.03 Rain
11 48 42 36 41 35 30 87 71 47 30.28 30.18 30.09 19 11 6 21 15 - 0.02 Rain
12 54 49 44 51 46 39 94 82 62 30.11 29.83 29.59 19 8 2 26 18 41 0.12 Rain
13 49 43 37 50 41 32 94 82 66 29.66 29.60 29.53 19 8 3 22 15 29 0.08 Rain , Thunderstorm
14 48 42 36 45 35 30 93 74 47 29.80 29.65 29.30 19 8 5 26 16 37 0.08 Rain
15 49 45 41 48 38 29 94 71 40 29.44 29.26 29.15 19 8 3 33 21 43 0.02 Rain
16 45 39 32 37 33 30 93 73 47 29.92 29.67 29.46 19 12 6 21 12 30 0.01 Rain
17 45 36 27 36 31 25 93 80 54 29.95 29.90 29.86 19 10 6 13 8 - 0.01 Rain
18 39 34 30 37 34 28 100 87 66 29.98 29.89 29.83 17 7 3 7 4 - 0.00 Rain
19 41 35 28 34 30 26 100 79 49 30.00 29.94 29.89 19 8 3 8 4 - 0.00  
20 41 30 19 34 29 19 100 83 59 29.90 29.82 29.68 19 7 3 16 4 - 0.01 Fog , Rain
21 39 38 36 36 35 32 95 88 71 29.95 29.76 29.65 17 6 3 15 11 - 0.01 Rain
22 39 34 28 33 30 26 100 81 52 30.30 30.13 29.95 7 4 2 7 4 - 0.00  
23 45 31 17 45 30 18 100 87 62 30.32 30.24 30.04 7 4 2 14 5 - 0.04 Fog , Rain
24 45 40 33 47 34 29 100 75 49 30.48 30.29 30.01 19 11 3 16 10 - 0.00 Rain
25 47 38 29 43 35 27 100 81 57 30.50 30.41 30.27 19 9 6 17 7 - 0.01  
26 49 44 39 48 40 34 94 77 49 30.36 30.25 30.15 19 10 6 14 10 - 0.01 Rain
27 48 42 36 39 37 32 93 77 60 30.38 30.30 30.09 19 11 6 13 8 - 0.00  
28 51 44 37 48 36 26 94 73 35 30.11 29.70 29.50 19 8 4 30 17 34 0.04 Rain
29 45 39 33 36 32 29 93 80 55 29.60 29.10 28.85 19 10 5 21 16 - 0.04 Rain
30 44 38 33 36 33 30 93 79 56 28.97 28.91 28.80 19 9 6 14 11 24 0.01 Rain
31 41 36 30 36 32 26 100 80 51 29.36 29.10 28.94 19 8 3 15 10 26 0.12 Rain , Snow