Weather History for Seattle, WA

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Month of May, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 87 °F 67 °F 52 °F
Mean Temperature 71 °F 59 °F 49 °F
Min Temperature 57 °F 50 °F 38 °F
Degree Days  
Heating Degree Days (base 65) 16 7 0 203
Cooling Degree Days (base 65) 6 0 0 13
Growing Degree Days (base 50) 20 9 0 264
Dew Point  
Dew Point 57 °F 46 °F 28 °F
Precipitation  
Precipitation 0.54 in 0.09 in 0.00 in 2.38 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 28 mph 7 mph 0 mph
Gust Wind 38 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.60 in 30.10 in 29.72 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

May. 15, 2013 Rise Set
Actual Time 5:31 AM PDT 8:40 PM PDT
Civil Twilight 4:55 AM PDT 9:16 PM PDT
Nautical Twilight 4:08 AM PDT 10:04 PM PDT
Astronomical Twilight 3:09 AM PDT 11:03 PM PDT
Moon 10:17 AM PDT (5/15) 12:26 AM PDT (5/15)
Length of Visible Light 16h 21m
Length of Day
15h 08m
Waxing Crescent, 28% of the Moon is Illuminated
May 15
Waxing Crescent
May 17
First Quarter
May 24
Full
May 31
Last Quarter
Jun 8
New

Weather History Calendar

Precipitation Actual month total 2.38 Normal Month Total: 1.94
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
65 | 38 0.00
Average:
62 | 44 0.07
Partly Cloudy
Actual:
69 | 44 0.00
Average:
62 | 45 0.06
Scattered Clouds
Actual:
71 | 49 0.00
Average:
62 | 45 0.07
Scattered Clouds
Actual:
77 | 52 0.00
Average:
62 | 45 0.06
Scattered Clouds
Actual:
84 | 53 0.00
Average:
63 | 45 0.07
Clear
Actual:
87 | 54 0.00
Average:
63 | 45 0.07
Partly Cloudy
Actual:
69 | 52 0.00
Average:
63 | 46 0.06
Partly Cloudy
Actual:
67 | 52 0.00
Average:
63 | 46 0.06
Fog
Actual:
73 | 50 0.00
Average:
63 | 46 0.06
Partly Cloudy
Actual:
79 | 49 0.00
Average:
64 | 46 0.07
Partly Cloudy
Actual:
81 | 54 0.00
Average:
64 | 46 0.06
Rain
Actual:
71 | 57 0.26
Average:
64 | 47 0.06
Thunderstorm
Actual:
66 | 49 0.13
Average:
64 | 47 0.06
Partly Cloudy
Actual:
65 | 46 0.00
Average:
65 | 47 0.06
Rain
Actual:
63 | 48 0.04
Average:
65 | 47 0.06
Rain
Actual:
71 | 54 T
Average:
65 | 47 0.06
Rain
Actual:
63 | 53 0.02
Average:
65 | 48 0.06
Overcast
Actual:
62 | 52 T
Average:
65 | 48 0.06
Mostly Cloudy
Actual:
65 | 51 T
Average:
65 | 48 0.06
Partly Cloudy
Actual:
67 | 49 0.00
Average:
66 | 48 0.06
Rain
Actual:
60 | 47 0.54
Average:
66 | 48 0.06
Rain
Actual:
52 | 45 0.54
Average:
66 | 49 0.06
Rain
Actual:
54 | 44 0.16
Average:
66 | 49 0.06
Rain
Actual:
62 | 48 0.01
Average:
66 | 49 0.06
Rain
Actual:
64 | 50 T
Average:
66 | 49 0.06
Rain
Actual:
65 | 51 0.06
Average:
67 | 49 0.07
Rain
Actual:
62 | 52 0.38
Average:
67 | 49 0.06
Rain
Actual:
63 | 53 0.02
Average:
67 | 50 0.07
Rain
Actual:
61 | 49 0.22
Average:
67 | 50 0.06
Partly Cloudy
Actual:
62 | 49 T
Average:
67 | 50 0.07
Partly Cloudy
Actual:
67 | 52 0.00
Average:
67 | 50 0.06
 

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

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
May high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 65 52 38 36 32 28 76 51 26 30.60 30.57 30.49 10 10 10 13 7 16 0.00  
2 69 57 44 42 38 34 71 53 34 30.57 30.47 30.40 10 10 10 21 9 24 0.00  
3 71 60 49 47 43 38 71 55 38 30.41 30.35 30.26 10 10 10 18 11 23 0.00  
4 77 65 52 49 42 33 71 46 21 30.26 30.16 30.01 10 10 10 28 15 35 0.00  
5 84 69 53 47 41 36 66 42 17 30.01 29.91 29.81 10 10 10 20 12 24 0.00  
6 87 71 54 49 45 40 72 45 18 29.88 29.84 29.79 10 10 10 15 5 20 0.00  
7 69 61 52 52 49 48 89 72 55 30.04 29.97 29.86 10 10 10 13 7 18 0.00  
8 67 60 52 50 48 46 89 73 56 30.18 30.14 30.05 10 8 1 10 4 13 0.00  
9 73 62 50 52 49 47 93 66 38 30.26 30.21 30.16 10 5 0 10 3 13 0.00 Fog
10 79 64 49 54 50 46 89 61 32 30.24 30.19 30.15 10 10 8 8 2 10 0.00  
11 81 68 54 57 49 42 73 55 36 30.21 30.13 30.04 10 10 10 13 6 16 0.00  
12 71 64 57 57 55 51 93 75 57 30.14 30.09 30.06 10 10 3 15 9 18 0.26 Rain
13 66 58 49 57 51 41 93 77 60 30.22 30.07 29.96 10 10 5 28 11 38 0.13 Rain , Thunderstorm
14 65 56 46 45 39 28 82 55 27 30.26 30.21 30.15 10 10 10 12 5 17 0.00  
15 63 56 48 52 46 40 93 70 46 30.15 30.09 30.03 10 9 4 15 5 20 0.04 Rain
16 71 63 54 52 49 45 93 66 38 30.04 29.98 29.91 10 10 10 17 6 21 T Rain
17 63 58 53 52 48 44 83 68 52 30.09 30.02 29.97 10 10 10 17 8 22 0.02 Rain
18 62 57 52 49 46 43 77 65 52 30.30 30.19 30.11 10 10 10 15 7 18 T  
19 65 58 51 50 47 45 83 68 52 30.43 30.39 30.32 10 10 10 15 5 17 T  
20 67 58 49 48 46 42 93 68 42 30.38 30.20 29.94 10 10 9 13 4 15 0.00  
21 60 54 47 48 44 40 93 74 55 29.93 29.86 29.81 10 9 3 20 11 25 0.54 Rain
22 52 49 45 46 44 41 93 84 74 29.97 29.92 29.87 10 8 2 15 7 21 0.54 Rain
23 54 49 44 46 43 41 86 76 66 30.05 30.01 29.94 10 10 6 16 4 20 0.16 Rain
24 62 55 48 50 46 42 86 69 51 30.09 30.05 30.01 10 10 9 14 6 17 0.01 Rain
25 64 57 50 47 45 42 83 66 48 30.08 30.05 30.00 10 10 10 12 6 20 T Rain
26 65 58 51 53 50 47 89 77 65 30.03 30.01 29.98 10 9 3 12 5 15 0.06 Rain
27 62 57 52 54 51 49 86 79 72 30.00 29.82 29.75 10 9 4 14 7 17 0.38 Rain
28 63 58 53 50 48 46 89 76 62 29.93 29.87 29.79 10 10 5 16 6 21 0.02 Rain
29 61 55 49 50 47 45 86 72 57 30.01 29.83 29.72 10 10 6 21 9 28 0.22 Rain
30 62 56 49 47 45 43 86 69 52 30.28 30.14 30.01 10 10 10 21 12 26 T  
31 67 60 52 47 45 40 83 62 40 30.38 30.33 30.27 10 10 10 10 6 14 0.00