Portland, OR

2:35 PM PST on December 17, 2017 (GMT -0800)
Portland International

Weather History for KPDX - May, 2012

Change the Weather History Date:

Month of May, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 88 °F 68 °F 54 °F
Mean Temperature 72 °F 58 °F 49 °F
Min Temperature 58 °F 48 °F 37 °F
Degree Days  
Heating Degree Days (base 65) 16 7 0 218
Cooling Degree Days (base 65) 7 0 0 11
Growing Degree Days (base 50) 22 8 0 244
Dew Point  
Dew Point 59 °F 43 °F 24 °F
Precipitation  
Precipitation 0.76 in 0.07 in 0.00 in 2.02 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 36 mph 6 mph 0 mph
Gust Wind 45 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.54 in 30.10 in 29.58 in

Monthly Weather History Graph

Monthly Weather History Graph

Search for Another Location

Airport or City:

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

May. 13, 2012 Rise Set
Actual Time 5:41 AM PDT 8:33 PM PDT
Civil Twilight 5:06 AM PDT 9:07 PM PDT
Nautical Twilight 4:22 AM PDT 9:51 PM PDT
Astronomical Twilight 3:31 AM PDT 10:44 PM PDT
Moon 2:09 AM PDT (5/13) 1:40 PM PDT (5/13)
Length of Visible Light 16h 00m
Length of Day
14h 51m
Last Quarter, 41% of the Moon is Illuminated
May 13
Last Quarter
May 20
New
May 28
First Quarter
Jun 4
Full
Jun 11
Last Quarter

Daily Weather History & Observations

2012 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 54 49 44 43 39 37 83 73 63 30.07 30.03 29.98 10 10 5 18 6 25 0.12 Rain
2 57 50 42 46 39 33 83 63 43 30.05 29.95 29.78 10 10 7 10 3 13 0.00 Rain
3 59 53 47 53 45 40 93 75 57 30.03 29.73 29.58 10 8 2 36 16 45 0.76 Rain
4 54 50 45 43 41 35 82 72 61 30.45 30.22 30.04 10 10 7 12 7 - 0.12 Rain
5 57 51 44 42 39 36 83 67 51 30.54 30.51 30.46 10 10 10 10 4 - T Rain
6 69 55 41 43 41 39 96 68 39 30.50 30.42 30.31 10 9 2 15 5 20 0.00  
7 80 62 44 46 43 40 89 57 25 30.33 30.20 30.07 10 10 10 10 3 13 0.00  
8 73 62 50 47 43 34 77 54 31 30.19 30.13 30.06 10 10 10 15 6 23 0.00  
9 60 52 44 36 33 24 70 48 25 30.40 30.30 30.20 10 10 10 22 10 26 0.00  
10 62 50 37 38 33 28 76 53 29 30.46 30.37 30.26 10 10 10 18 7 25 0.00  
11 76 59 42 42 35 28 70 44 18 30.28 30.20 30.09 10 10 10 12 4 15 0.00  
12 84 65 46 43 39 34 77 49 21 30.17 30.11 30.05 10 10 10 16 4 20 0.00  
13 87 69 51 48 45 42 83 52 21 30.13 30.04 29.95 10 10 10 14 5 17 0.00  
14 88 72 55 54 48 44 77 53 28 30.08 29.98 29.92 10 10 9 14 4 20 0.00  
15 78 64 50 49 46 41 83 58 33 30.13 30.08 30.00 10 10 9 17 5 22 0.00  
16 74 63 51 43 40 35 63 47 31 30.14 30.09 30.04 10 10 10 15 6 20 0.00  
17 68 57 45 40 38 34 76 54 31 30.14 30.08 30.02 10 10 9 17 5 23 0.00  
18 66 55 44 39 35 32 76 54 31 30.22 30.16 30.10 10 10 10 10 4 13 0.00  
19 71 58 45 45 38 33 76 51 26 30.12 30.08 30.03 10 10 10 7 2 9 0.00  
20 65 61 57 55 50 44 86 71 55 30.07 30.02 29.94 10 10 7 13 5 15 0.07 Rain
21 62 59 55 56 54 48 93 87 80 30.00 29.92 29.88 10 8 2 16 7 22 0.35 Rain
22 59 55 51 52 46 41 89 72 55 30.08 30.00 29.94 10 9 2 26 12 32 0.30 Rain
23 64 57 49 48 44 39 77 62 47 30.10 30.07 30.03 10 10 10 20 11 25 0.01 Rain , Thunderstorm
24 59 55 50 49 46 42 89 71 53 30.04 29.89 29.82 10 9 2 16 6 22 0.25 Rain
25 72 61 49 51 47 43 86 61 35 29.91 29.85 29.82 10 10 6 22 6 26 T Rain , Thunderstorm
26 68 61 53 54 51 48 93 74 55 30.04 29.95 29.91 10 9 1 15 3 17 0.01 Rain , Thunderstorm
27 65 59 52 49 47 44 89 69 48 30.11 30.08 30.04 10 10 10 12 5 14 0.00  
28 63 58 53 50 45 41 89 69 48 30.15 30.11 30.08 10 10 10 10 4 17 T  
29 67 58 49 45 42 40 80 59 37 30.19 30.16 30.12 10 10 10 10 4 12 0.00  
30 73 63 53 50 45 42 71 52 33 30.25 30.19 30.14 10 10 10 8 2 9 0.00  
31 72 65 58 59 55 48 87 72 57 30.18 30.12 30.01 10 10 7 10 3 12 0.03 Rain