Weather History for Seattle, WA

Change the Weather History Date:

Month of January, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 55 °F 45 °F 30 °F
Mean Temperature 49 °F 40 °F 29 °F
Min Temperature 45 °F 35 °F 26 °F
Degree Days  
Heating Degree Days (base 65) 36 25 16 778
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 48 °F 34 °F 23 °F
Precipitation  
Precipitation 1.09 in 0.25 in 0.00 in 6.83 in
Snowdepth 3.0 in 0.5 in 0.0 in -
Wind  
Wind 39 mph 9 mph 0 mph
Gust Wind 52 mph 26 mph 18 mph
Sea Level Pressure  
Sea Level Pressure 30.66 in 30.11 in 29.05 in

Monthly Weather History Graph

Monthly 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

Jan. 12, 2012 Rise Set
Actual Time 7:54 AM PST 4:41 PM PST
Civil Twilight 7:19 AM PST 5:16 PM PST
Nautical Twilight 6:40 AM PST 5:54 PM PST
Astronomical Twilight 6:03 AM PST 6:31 PM PST
Moon 9:13 PM PST (1/12) 9:22 AM PST (1/12)
Length of Visible Light 9h 56m
Length of Day
8h 47m
Waning Gibbous, 86% of the Moon is Illuminated
Jan 12
Waning Gibbous
Jan 16
Last Quarter
Jan 22
New
Jan 30
First Quarter
Feb 7
Full

Weather History Calendar

Precipitation Actual month total 6.83 Normal Month Total: 5.57
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Partly Cloudy
Actual:
55 | 41 T
Average:
46 | 36 0.18
Rain
Actual:
51 | 37 0.43
Average:
46 | 36 0.18
Rain
Actual:
53 | 45 0.03
Average:
46 | 36 0.19
Rain
Actual:
54 | 42 0.80
Average:
46 | 36 0.19
Rain
Actual:
48 | 37 0.05
Average:
46 | 36 0.18
Rain
Actual:
40 | 36 0.10
Average:
46 | 37 0.19
Rain
Actual:
45 | 37 T
Average:
46 | 37 0.19
Partly Cloudy
Actual:
50 | 37 0.00
Average:
46 | 37 0.20
Rain
Actual:
49 | 41 0.17
Average:
46 | 37 0.19
Rain
Actual:
43 | 33 0.04
Average:
47 | 37 0.20
Scattered Clouds
Actual:
43 | 30 0.00
Average:
47 | 37 0.19
Partly Cloudy
Actual:
43 | 29 0.00
Average:
47 | 37 0.19
Partly Cloudy
Actual:
41 | 27 0.00
Average:
47 | 37 0.18
Snow
Actual:
40 | 33 0.16
Average:
47 | 37 0.19
Snow
Actual:
34 | 26 0.21
Average:
47 | 37 0.19
Snow
Actual:
35 | 27 0.10
Average:
47 | 37 0.20
Snow
Actual:
38 | 32 0.32
Average:
47 | 37 0.19
Snow
Actual:
32 | 27 0.78
Average:
48 | 37 0.19
Snow
Actual:
30 | 27 0.60
Average:
48 | 37 0.18
Snow
Actual:
45 | 30 0.53
Average:
48 | 37 0.19
Rain
Actual:
47 | 38 0.12
Average:
48 | 37 0.17
Rain
Actual:
44 | 36 0.24
Average:
48 | 37 0.17
Rain
Actual:
47 | 34 T
Average:
48 | 37 0.17
Rain
Actual:
50 | 36 0.34
Average:
48 | 37 0.16
Rain
Actual:
48 | 40 0.32
Average:
48 | 37 0.17
Rain
Actual:
48 | 34 0.19
Average:
48 | 37 0.16
Scattered Clouds
Actual:
44 | 28 0.00
Average:
48 | 37 0.16
Rain
Actual:
44 | 33 T
Average:
48 | 37 0.16
Rain
Actual:
49 | 39 1.09
Average:
49 | 37 0.16
Rain
Actual:
47 | 43 0.14
Average:
49 | 37 0.15
Rain
Actual:
49 | 43 0.07
Average:
49 | 37 0.16
 

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
Jan high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 55 48 41 30 27 25 53 44 35 30.31 30.21 30.08 10 10 10 20 11 25 T  
2 51 44 37 47 37 26 93 66 39 30.27 30.04 29.92 10 9 4 29 10 40 0.43 Rain
3 53 49 45 47 43 40 93 80 66 30.32 30.27 30.17 10 10 10 12 5 15 0.03 Rain
4 54 48 42 48 44 38 100 80 59 30.21 30.12 30.05 10 7 2 24 11 33 0.80 Rain
5 48 43 37 43 38 33 89 80 71 30.39 30.33 30.18 10 10 10 24 14 37 0.05 Rain
6 40 38 36 36 34 32 92 86 79 30.38 30.33 30.28 10 10 7 10 5 14 0.10 Rain
7 45 41 37 40 37 34 92 84 76 30.48 30.42 30.33 10 10 4 12 5 14 T Rain
8 50 44 37 40 38 36 92 79 66 30.41 30.34 30.26 10 10 10 10 4 14 0.00  
9 49 45 41 45 41 36 89 80 71 30.31 30.26 30.22 10 9 5 15 8 20 0.17 Rain
10 43 38 33 35 32 28 93 78 62 30.56 30.47 30.32 10 10 9 20 8 24 0.04 Rain
11 43 37 30 30 27 23 89 67 45 30.54 30.47 30.40 10 10 10 20 11 23 0.00  
12 43 36 29 32 27 23 78 64 49 30.41 30.35 30.30 10 10 10 13 4 15 0.00  
13 41 34 27 31 29 25 85 73 60 30.34 30.24 30.07 10 10 10 9 3 10 0.00  
14 40 37 33 38 32 28 92 78 64 30.05 29.97 29.89 10 9 3 26 12 35 0.16 Rain , Snow
15 34 30 26 32 29 26 100 91 82 30.14 30.01 29.97 10 6 0 17 7 21 0.21 Snow
16 35 31 27 34 29 25 96 89 82 30.15 30.08 29.95 10 7 1 23 11 30 0.10 Snow
17 38 35 32 37 32 25 100 85 70 29.99 29.89 29.81 10 6 0 21 13 29 0.32 Fog , Snow
18 32 30 27 28 27 25 92 81 69 29.99 29.78 29.62 10 2 0 21 11 24 0.78 Fog , Rain , Snow
19 30 29 27 29 26 24 92 89 85 29.80 29.67 29.55 10 4 1 12 4 12 0.60 Rain , Snow
20 45 38 30 39 33 28 100 91 82 29.79 29.54 29.07 10 4 0 18 5 22 0.53 Fog , Rain , Snow
21 47 43 38 43 36 32 89 81 73 29.92 29.55 29.05 10 10 8 33 18 47 0.12 Rain
22 44 40 36 40 34 27 93 76 59 29.90 29.67 29.44 10 9 5 26 11 43 0.24 Rain
23 47 41 34 36 33 31 89 74 58 30.06 29.99 29.86 10 10 8 17 8 21 T Rain
24 50 43 36 48 39 30 100 88 76 30.04 29.83 29.67 10 8 3 39 11 52 0.34 Rain
25 48 44 40 42 37 33 93 79 65 30.30 30.19 29.99 10 9 4 35 12 45 0.32 Rain
26 48 41 34 46 36 29 100 75 49 30.62 30.29 29.93 10 10 5 28 11 38 0.19 Rain
27 44 36 28 29 28 26 92 73 53 30.66 30.60 30.52 10 10 6 8 3 10 0.00  
28 44 39 33 31 29 27 82 70 57 30.52 30.37 30.13 10 10 8 10 5 14 T Rain
29 49 44 39 48 44 30 100 79 58 30.09 29.91 29.79 10 7 2 18 10 24 1.09 Rain
30 47 45 43 44 40 39 93 85 76 30.10 30.04 29.87 10 10 8 24 11 32 0.14 Rain
31 49 46 43 41 38 36 89 78 66 30.10 30.04 29.91 10 10 7 18 9 24 0.07 Rain