St. Helens, OR Weather Data
St. Helens, OR Current Weather Data
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St. Helens, OR Historical Weather Trends
*Historical weather data collected from Scappoose, OR
St. Helens, OR
St. Helens, OR area Highlights
St. Helens, 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
St. Helens, OR Historical Temperature
Month
Average
Max Average
Min Average
January
38.6°
45°
32.13°
February
41.63°
50.22°
32.97°
March
44.58°
53.52°
35.58°
April
48.38°
58.88°
37.83°
May
55.23°
66.2°
44.23°
June
60.1°
70.71°
49.46°
July
66.9°
79.8°
53.98°
August
67.16°
80.56°
53.76°
September
61.72°
75.47°
47.9°
October
52.2°
62.07°
42.27°
November
44.3°
51.82°
36.77°
December
37.36°
43.7°
30.98°
St. Helens, OR Rainfall and Snowfall Average
Month
Average Rainfall
Average Snowfall
January
5.61 Inches
6.2 Inches
February
3.46 Inches
2.85 Inches
March
5.33 Inches
0 Inches
April
2.94 Inches
0 Inches
May
2.87 Inches
0 Inches
June
1.62 Inches
0 Inches
July
0.29 Inches
0 Inches
August
0.81 Inches
0 Inches
September
0.93 Inches
0 Inches
October
3.27 Inches
0 Inches
November
6.61 Inches
0 Inches
December
7.36 Inches
0.65 Inches
St. Helens, OR Energy Demand
January
26.17
0
26.17
February
23.17
0
23.17
March
20.2
0
20.2
April
16.37
0.02
16.39
May
9.57
0.27
9.84
June
5.34
0.6
5.94
July
1.16
3.4
4.56
August
1.2
3.35
4.55
September
3.72
1.18
4.9
October
12.63
0.03
12.66
November
21.06
0
21.06
December
27
0
27
