Portland, OR Weather Data

Portland, OR Current Weather Data

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Portland, OR Historical Weather Trends

*Historical weather data collected from Minnehaha, WA
Portland, OR

Portland, OR Chance of Sunshine

Month
% Sunny
Clear Days
Partly Cloudy Days
Cloudy Days
January
22.58%
3
4
24
February
25.00%
3
4
21
March
25.81%
3
5
23
April
30.00%
3
6
21
May
38.71%
5
7
19
June
46.67%
6
8
16
July
67.74%
13
8
10
August
67.74%
11
10
10
September
60.00%
10
8
12
October
41.94%
5
8
18
November
23.33%
3
4
23
December
16.13%
2
3
26

Portland, OR Historical Temperature

Month
Average
Max Average
Min Average
January
39.86°
45.48°
34.18°
February
43.5°
50.5°
36.43°
March
46.47°
54.03°
38.87°
April
50.98°
59.53°
42.4°
May
57.74°
67.37°
48.07°
June
62.8°
71.89°
53.66°
July
69.55°
81.28°
57.78°
August
69.52°
80.42°
58.57°
September
65.3°
76.33°
54.22°
October
54.67°
62.53°
46.77°
November
46.73°
52.82°
40.62°
December
39.76°
45.76°
33.72°

Portland, OR Rainfall and Snowfall Average

Month
Average Rainfall
Average Snowfall
January
4.92 Inches
0.16 Inches
February
2.52 Inches
0 Inches
March
3.61 Inches
0.05 Inches
April
2.77 Inches
0 Inches
May
3.29 Inches
0 Inches
June
1.9 Inches
0 Inches
July
0.4 Inches
0 Inches
August
0.69 Inches
0 Inches
September
1.62 Inches
0 Inches
October
3.45 Inches
0 Inches
November
5.88 Inches
0 Inches
December
5.79 Inches
0 Inches

Portland, OR Energy Demand

Month
Avg. Daily HDD (?)
Avg. Daily CDD (?)
Total
January
24.02
0
24.02
February
21.25
0
21.25
March
18.23
0
18.23
April
13.95
0.03
13.98
May
7.57
0.57
8.14
June
3.36
1.29
4.65
July
0.37
4.97
5.34
August
0.35
5.1
5.45
September
1.95
2.45
4.4
October
10.08
0
10.08
November
18.03
0
18.03
December
24.73
0
24.73
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